# Analysis of the Impact of Artificial Intelligence Technology-Assisted Environmental Protection on the Integrity of Chinese Painting

Authors: Zhen-jiang Hu
Journal: Journal of Environmental and Public Health
 (2022)

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## Abstract

Han painting is an important art display form in Chinese history; it has a history of hundreds of years. It is the embodiment of a higher level of Chinese painting. Han paintings can also show the development of China’s political economy and culture. However, with the continuous progress of time, the patterns of Han paintings and the color characteristics of Han paintings will be greatly damaged. This limits people’s research on the civilization displayed by Han paintings. At the same time, changes in the environment also have a great relationship with the integrity of Chinese painting. Therefore, the study of the impact of environmental protection on the integrity of Han paintings is crucial to the study of Chinese civilization. It is difficult for traditional research methods to discover the quantitative relationship between environmental protection and the integrity of Han paintings. In this study, the atrous convolutional neural network (ACNN) in the artificial intelligence method and the GRU method were used to explore the relationship between environmental protection and the patterns, colors, and shapes of Chinese paintings. The research results show that the ACNN method and the GRU method can better predict the patterns, shapes, and color characteristics of Chinese paintings. Through research, it can also be found that the color and pattern features of Chinese paintings contain obvious time characteristics, which requires the GRU method for feature extraction. The prediction errors of ACNN and GRU in predicting the integrity of Chinese paintings are all within 2.5%, and the largest prediction error is only 2.45%.


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## Body

## 1. Introduction

Han painting is an important intangible cultural heritage of China. Han painting is an artistic heritage with more than 400 years of history. Han painting can not only express the development of contemporary economy and politics but also reflect the development of Chinese history [1, 2]. This plays an important role in documenting China’s development and culture. Regardless of form or artistic features, Han painting has an important historical color in Chinese history. Therefore, the protection of Han paintings is also a relatively important task. Compared with other forms such as sculpture and buildings, painting is a more easily damaged form of artistic communication. China has five thousand years of history and civilization. It records China’s history and culture through Han paintings and sculptures. The main factor for the continuous inheritance of Chinese history and culture is also related to the protection of these historical works of art. Written records are a way of conveying history and civilization. However, due to the large differences in the understanding of the characters of different ages, it is easy to have a greater impact on the expression of history and culture. Han paintings and paintings of other periods are an important way of the art recording, which can record the contemporary economy, politics, and people’s way of life through painting [3, 4]. Art such as painting and music can inherit contemporary historical civilization. One of the reasons for the continuous inheritance of ancient Chinese culture is also closely related to the protection of these historical records. However, with the continuous development of the times and the passage of time, it is easy to cause these works of art to be greatly damaged. The protection techniques of cultural relics in different periods are also uneven. The protection of Chinese paintings is more difficult because the materials of Han paintings are easily affected by factors such as the environment and oxygen [5, 6]. Due to oxidation, Chinese painting paper and other media are easily damaged. At the same time, the role of the environment will also affect the protection of Chinese paintings. With the continuous development of the industrial age, a large number of harmful substances and radioactive substances will be produced in the air and the environment. These harmful substances will accelerate the damage and destruction of Chinese paintings. Sulfur substances and harmful factors in the air will accelerate the damage to Chinese paintings [7, 8]. For Han painting, it mainly shows the contemporary economic and political development trend through the patterns, colors, and painting forms of Han painting. Han paintings can also show the living conditions of contemporary people through the patterns and colors of Han paintings. The destruction of the environment can easily lead to changes in the colors of Chinese paintings, which is one of the most vulnerable factors to the destruction of the environment. The shape of Han painting is less affected by the environment, but the damage to the environment will also affect this feature of the Han painting.Since Han painting plays an important role in the inheritance of Chinese history and culture, the destruction of the environment also has a greater impact on the integrity of the Han painting. This requires an analysis of the impact of environmental protection on the integrity of Han paintings. The patterns, shapes, and colors of Han paintings are important characteristics of Han paintings, and contemporary people also use these three important characteristics to display the history and culture of that time. Therefore, it is necessary to protect the patterns, shapes, and color characteristics of Han paintings. The patterns of Chinese paintings can intuitively reflect the contemporary lifestyle and daily necessities. The colors of Han paintings can reflect the artistic preferences and artistic characteristics of a dynasty. Modeling is also an important feature of painting that reflects different eras. Therefore, this study mainly analyzes the influence of environmental protection on the patterns, shapes, and colors of Chinese paintings [9, 10]. However, the patterns of Han paintings and the colors of Han paintings are subjective characteristics, which are difficult to be quantitatively divided. Different people have different aesthetic abilities for the patterns and colors of Han paintings. It is difficult to rely solely on professional personnel to measure the relationship between environmental protection and the colors and patterns of Chinese paintings. This is mainly due to the variety of Han paintings and the differences in the forms of expression of Han paintings. At the same time, there are great differences in the aesthetic ability of professionals. It is difficult to measure the impact of environmental protection on the integrity of Han paintings. This requires a way to achieve a quantitative analysis of environmental protection and the integrity of Chinese painting. Artificial intelligence methods can better handle a large amount of data for research objects. For the data related to environmental protection and the integrity of Chinese painting, the artificial intelligence method has certain feasibility.Artificial intelligence methods have made great progress in the twenty-first century, mainly thanks to the development of computer technology and high-performance graphics technology [11, 12]. Graphics card technology allows computers to perform a large number of matrix operations. Many algorithms in artificial intelligence technology perform matrix operations. Whether in the form of data or pictures, these calculations are closely related to graphics card calculations. Artificial intelligence technology can assist people in performing a large number of calculations and recognition. For people, the relationship between environmental protection and the integrity of Chinese painting will involve a lot of data. If we only rely on manual methods to process these tedious and huge amounts of data, it will consume a lot of human resources and time. This limits the research on environmental protection and the integrity of Chinese painting. Artificial intelligence technology contains many intelligent algorithms [13, 14]. In real life, this will involve spatial and temporal characteristics, and it will also involve the influence of environmental characteristics. Artificial intelligence-related researchers have studied a large number of related algorithms for processing temporal and spatial features. This allows Han painting conservation researchers to use these algorithms to deal with the study between environmental protection and the integrity of Han paintings. The establishment of the characteristic relationship between the integrity of Chinese painting and environmental protection will involve more data. Both ACNN and GRU methods allow the processing of parameters with larger data volumes. This provides a guarantee for the research on the integrity of Han paintings.This research will solve the problem of the difficulty in dealing with the relationship between environmental protection and the integrity of Chinese painting by artificial means, and it will use artificial intelligence to deal with the complex relationship between environmental protection and the integrity of Chinese painting. This research mainly studies the three characteristics of the pattern of Han painting, the shape of Han painting, and the color of the Han painting. These three characteristics are also the most important three characteristics for the integrity of the Han painting. This study has five sections to introduce the application of artificial intelligence in the study of Han painting integrity. Section1 explains the importance of Han painting and the significance of artificial intelligence method research. The related research status of Chinese painting is introduced in Section 2. Section 3 focuses on the scheme of the application of artificial intelligence methods in establishing the relationship between environmental protection and the integrity of Chinese painting, and it also introduces important artificial intelligence algorithms. Section 4 studies the accuracy of artificial intelligence algorithms in studying three important feature methods of Chinese painting. In this study, statistical parameters such as average error, error scatter plot, and area plot of predicted values were used to analyze the accuracy of ACNN and GRU methods in predicting the integrity of Chinese paintings. Section 5 summarizes the importance of artificial intelligence methods in the relationship between Han painting conservation and environmental impact.


## 2. Related Work

Han painting is an important cultural art in China, which has been passed down for more than 400 years. It contains many historical, cultural, political, and economic historical flavors of China. The protection of Han painting culture is an important task. The protection of the environment also has an important influence on the protection of Han paintings. Due to the history of Han painting and its importance to China, many researchers have done a lot of research on Chinese history painting. Liu and Zhang [15] believed that the research on the classification of Chinese painting is more important because Chinese painting has a long history. A good classification for painting is a basis for studying Chinese painting. It uses weakly supervised learning methods and long short-term memory neural network methods to study Chinese painting classification. It first modeled Chinese paintings using the pyramid overlapped grid technique. Then, it uses the LSTM method to conduct a classification study on the semantic features of Chinese paintings. And it is algorithmically validated using an actual Chinese painting set. The results show that the proposed method is beneficial for the classification of Chinese paintings, and this method also has advantages over other methods in the classification of Chinese paintings. Zhu and Zhu [16] studied the color techniques of Chinese painting and the application of Chinese painting color in teaching. It mainly uses the method of feature reorganization to study the image style of painting. At the same time, it also uses neural network technology to study the deep features of Chinese paintings and the semantic feature relationship between images. The test set of this study mainly utilizes Chinese ink painting and Chinese natural landscape painting. The research results show that this method improves the quality of Chinese painting characteristics and photorealistic methods by 8%. This method is an extremely beneficial way for the analysis of Chinese painting color, and it can also promote the work of color teaching in Chinese painting. Bian and Shen [17] have also found that Chinese painting is an important cultural masterpiece handed down in Chinese history, which can not only reflect the painting techniques of Chinese history but also reflect the long history of the Chinese nation and the wisdom of China. It uses the SqueezeNet model to study the composition of Chinese paintings and the emotional expression characteristics of Chinese paintings. And it uses a lightweight convolutional neural network to improve the SqueezeNet model, and it is applied in the analysis and research of Chinese painting features. The research results show that the optimized model can improve the accuracy of Chinese painting feature analysis, and it also has a better generalization ability for the analysis of Chinese painting. This method is of great value and significance for the analysis of the characteristics of Chinese painting and the inheritance of Chinese painting. Yang and Jiang [18] have considered painting as a two-dimensional visual language, and it is not just a representation of the painting. It can also express the thoughts and emotions of a painting person. It mainly studies Chinese flower and bird paintings. The efficiency of the teaching theory of Chinese flowers and birds is relatively low. It uses the method of adaptive clustering to study traditional Chinese flower and bird paintings. For this method, it uses Internet technology to realize the data enhancement technology of flower and bird painting. The research results show that this method is beneficial to the study of traditional Chinese flower and bird painting, which is also a valuable method for improving the theoretical teaching of Chinese flower and bird painting. Zhang and Chen [19] believed that Chinese ink painting is quite different from the general three-dimensional structure. It also believes that there is a distinct dissemination characteristic of traditional Chinese ink painting, which is also an advantageous way. It proposes a boundary diffusion simulation method for Chinese ink painting. The results show that this method can vividly display the handwriting and diffusion handwriting of Chinese ink painting. This method can make Chinese ink painting more vivid. Zhou et al. [20] have found the value of 3D solid modeling for the protection of Chinese landscape paintings and the specific and important value of virtual reality methods. It proposes a method of rendering using water flow and a 3D modeling technology that integrates rapid terrain modeling. It applies the method of smooth particle fluid calculation and the division method of the terrain network. The findings suggest that this approach can enhance the rendering and photorealistic capabilities of Chinese landscape paintings. This approach can accelerate the conservation and rapid development of Chinese landscape paintings. This study uses ACNN and GRU to establish the characteristic relationship between environmental protection and the integrity of Chinese painting. This method can find nonlinear relationships that cannot be established by artificial means.


## 3. The Application Scheme of the Artificial Intelligence Method in Environmental Protection and the Integrity of Chinese Painting

### 3.1. The Significance of AI for the Research on the Protection of Chinese Paintings

Chinese painting mainly includes the characteristics of patterns, colors, and shapes. These features are a macroscopic visual manifestation. If the relationship between these visual modes is handled manually, it is easy to cause a certain degree of subjectivity. This will also lead to a certain error rate for the relationship between environmental protection and the integrity of Chinese painting. The patterns of Han paintings, the colors of Han paintings, and the shapes of Han paintings will be converted into the form of data through certain data processing methods. Once the characteristics of the research subjects are transformed into the form of data, they can be subjected to relevant quantitative analysis. Artificial intelligence methods can quantitatively analyze the relationship between data and data [21]. This research mainly uses algorithms related to space and time to study the relationship between environmental protection and the integrity of Chinese painting. Considering the tediousness and huge amount of data of three kinds of characteristic data of Chinese painting, this study adopts the method of atrous convolutional neural network (ACNN) and GRU network to study the relevant features. The ACNN method can extract the features related to the integrity of the Chinese painting, and the GRU can extract the temporal features of the integrity of the Chinese painting. This is conducive to establishing the correlation between environmental protection and Chinese painting. And these two methods can reduce the amount of parameter calculation.


### 3.2. Application Scheme of ACNN and GRU in the Study of Chinese Painting Integrity

This study mainly analyzes the relationship between environmental protection and the integrity of Han paintings, and it also conducts a quantitative analysis through artificial intelligence methods. At the same time, it selects the ACNN and GRU methods in the artificial intelligence method to extract the temporal and spatial characteristics of Chinese painting patterns, Chinese painting shapes, and Chinese painting colors. Han painting has experienced hundreds of years of development, and there will be large gaps in the patterns and color characteristics of Han painting for different time periods. This requires the GRU method to study the relationship between the integrity of Chinese painting and environmental protection. The ACNN method is mainly to establish the relationship between environmental protection and three characteristics of Chinese painting. Figure1 shows the design of ACNN and GRU in the research of three characteristics of Han painting integrity. Environmental protection-related feature data will be input to the input layer of ACNN. ACNN will extract features related to environmental protection and the integrity of Chinese painting. The output data of ACNN is fed into the GRU neural network. First, it needs to extract the relevant feature data of environmental protection as the input data of ACNNY. ACNN is a supervised learning method, which requires corresponding label data. These label data are the patterns of Chinese paintings and the three characteristic data of Chinese painting shapes and colors. Chinese painting is a form of a picture, which can be converted into the form of matrix data. These data need to be divided into three characteristics according to the scope. After the relevant features are extracted by ACNN, these features will be sent to the GRU again for temporal feature extraction. When these feature data are extracted by two kinds of neural networks, it will establish the correlation between the three features of environmental protection and the integrity of Chinese painting.Figure 1
Scheme design of ACNN and GRU in the study of the integrity of Chinese painting.Convolutional Neural Network (CNN) is the most commonly used feature extraction algorithm, and it is also a relatively mature algorithm. Therefore, many projects will directly use this mature and stable CNN algorithm. However, for the research object with more parameter operations, the CNN method will have higher requirements on the graphics card and the memory of the computer. However, CNN can reduce the number of parameters compared to a fully connected neural network. However, CNN still has more parameters. In order to further reduce the amount of parameter calculation in the operation process, this study adopts a CNN variant neural network ACNN technology. Figure2 shows the working method of the ACNN technique and the structure of the ACNN. Compared with the CNN method, it can better solve the problem of more parameters of the characteristics of Chinese painting integrity research. The biggest difference between ACNN and CNN is how the hidden layer factors are handled. In the ACNN method, there will be holes in the filter. CNN means that the entire filter will participate in the convolution operation.Figure 2
The working method and the principle of ACNN.


### 3.3. Introduction to GRU and Explanation of Equations

The LSTM method is also a basic temporal feature extraction method. Compared with the CNN method, LSTM has more parameters, and it requires more computation time. The study of environmental protection and the integrity of Chinese painting also require the extraction of temporal features. However, the patterns of Chinese paintings and the color features of Chinese paintings contain a huge amount of data, and if it adopts the LSTM method, it will consume more graphics card resources. In actual engineering, excessive graphics card consumption is more difficult. Therefore, in order to reduce the time consumption and the consumption of computing resources, this research adopts the variant neural network GRU technology of the LSTM neural network. Figure3 shows the working method and calculation principle of GRU. Compared to the LSTM method, it reduces the amount of parameter computation for the same dataset. GRU extracts the temporal features of the integrity features of Chinese paintings. In Figure 3, the schematic diagram of the Chinese painting only represents the temporal characteristics of the Chinese painting, and it is only a schematic diagram.Figure 3
The working principle of the GRU.GRU has only two gate structures, which is one of the factors that can reduce the number of parameters. It only specifically updates gate and resets two gate structures. Equations (1) and (2) show how the update gate is calculated. The update gate has the functions of the forget gate and the input gate of the LSTM method. It organizes and retains data in the current state and data in the past.(1)gr=σWrht−1,xt+br,(2)h˜t=tanhWhgrht−1,xt+bh.Equations (3) and (4) show how the reset gate is calculated. It will control the amount of historical state information to remember or discard. Then, it integrates the information of these two moments and outputs it.(3)gz=σWzht−1,xt+bz,(4)ht=1−gzht−1+gzh˜t.For ACNN, most of the matrix calculation methods have similarities with CNN. Most matrix calculations will also follow the calculation guidelines of CNN. Equation (5) shows a calculation method for the input layer of ACNN. For the input data of environmental protection and Chinese painting integrity-related features, it will perform a convolution operation.(5)V=conv2W,X,″valis″+b.Equation (6) introduces the calculation criteria for the output layer of ACNN, which will be connected to the input layer of GRU. The output data of ACNN is the input data of GRU.(6)Y=ϕV.Equation (7) also shows a calculation scheme for the input layer of ACNN, which expands the weights and biases and is a detailed expansion structure method.(7)xj=f∑i∈Mjxiζ−1∗kijζ+bjζ.Equation (8) shows a deconvolution calculation of the convolution operation. This is also a common form of computation for ACNN methods. It can restore the relative dimensions of the complete input data of Chinese painting.(8)δl−1=conv2rot180Wl,δl,′full′ϕ′vl−1.The difference between ACNN and CNN lies in the calculation method of hyperparameters. The factor hyperparameter and the factor of the hidden layer differ from CNN. Equations (9)–(11) show how the number of input layer features and output layer features of ACNN is calculated.(9)Sout=Sin+2pading−Skenalstep+1,(10)Sin=Sout−1×step+Skenal−2pading,(11)Vi=Vi−1+Skenal−i×∏i=1i−1stepi−1.


## 3.1. The Significance of AI for the Research on the Protection of Chinese Paintings

Chinese painting mainly includes the characteristics of patterns, colors, and shapes. These features are a macroscopic visual manifestation. If the relationship between these visual modes is handled manually, it is easy to cause a certain degree of subjectivity. This will also lead to a certain error rate for the relationship between environmental protection and the integrity of Chinese painting. The patterns of Han paintings, the colors of Han paintings, and the shapes of Han paintings will be converted into the form of data through certain data processing methods. Once the characteristics of the research subjects are transformed into the form of data, they can be subjected to relevant quantitative analysis. Artificial intelligence methods can quantitatively analyze the relationship between data and data [21]. This research mainly uses algorithms related to space and time to study the relationship between environmental protection and the integrity of Chinese painting. Considering the tediousness and huge amount of data of three kinds of characteristic data of Chinese painting, this study adopts the method of atrous convolutional neural network (ACNN) and GRU network to study the relevant features. The ACNN method can extract the features related to the integrity of the Chinese painting, and the GRU can extract the temporal features of the integrity of the Chinese painting. This is conducive to establishing the correlation between environmental protection and Chinese painting. And these two methods can reduce the amount of parameter calculation.


## 3.2. Application Scheme of ACNN and GRU in the Study of Chinese Painting Integrity

This study mainly analyzes the relationship between environmental protection and the integrity of Han paintings, and it also conducts a quantitative analysis through artificial intelligence methods. At the same time, it selects the ACNN and GRU methods in the artificial intelligence method to extract the temporal and spatial characteristics of Chinese painting patterns, Chinese painting shapes, and Chinese painting colors. Han painting has experienced hundreds of years of development, and there will be large gaps in the patterns and color characteristics of Han painting for different time periods. This requires the GRU method to study the relationship between the integrity of Chinese painting and environmental protection. The ACNN method is mainly to establish the relationship between environmental protection and three characteristics of Chinese painting. Figure1 shows the design of ACNN and GRU in the research of three characteristics of Han painting integrity. Environmental protection-related feature data will be input to the input layer of ACNN. ACNN will extract features related to environmental protection and the integrity of Chinese painting. The output data of ACNN is fed into the GRU neural network. First, it needs to extract the relevant feature data of environmental protection as the input data of ACNNY. ACNN is a supervised learning method, which requires corresponding label data. These label data are the patterns of Chinese paintings and the three characteristic data of Chinese painting shapes and colors. Chinese painting is a form of a picture, which can be converted into the form of matrix data. These data need to be divided into three characteristics according to the scope. After the relevant features are extracted by ACNN, these features will be sent to the GRU again for temporal feature extraction. When these feature data are extracted by two kinds of neural networks, it will establish the correlation between the three features of environmental protection and the integrity of Chinese painting.Figure 1
Scheme design of ACNN and GRU in the study of the integrity of Chinese painting.Convolutional Neural Network (CNN) is the most commonly used feature extraction algorithm, and it is also a relatively mature algorithm. Therefore, many projects will directly use this mature and stable CNN algorithm. However, for the research object with more parameter operations, the CNN method will have higher requirements on the graphics card and the memory of the computer. However, CNN can reduce the number of parameters compared to a fully connected neural network. However, CNN still has more parameters. In order to further reduce the amount of parameter calculation in the operation process, this study adopts a CNN variant neural network ACNN technology. Figure2 shows the working method of the ACNN technique and the structure of the ACNN. Compared with the CNN method, it can better solve the problem of more parameters of the characteristics of Chinese painting integrity research. The biggest difference between ACNN and CNN is how the hidden layer factors are handled. In the ACNN method, there will be holes in the filter. CNN means that the entire filter will participate in the convolution operation.Figure 2
The working method and the principle of ACNN.


## 3.3. Introduction to GRU and Explanation of Equations

The LSTM method is also a basic temporal feature extraction method. Compared with the CNN method, LSTM has more parameters, and it requires more computation time. The study of environmental protection and the integrity of Chinese painting also require the extraction of temporal features. However, the patterns of Chinese paintings and the color features of Chinese paintings contain a huge amount of data, and if it adopts the LSTM method, it will consume more graphics card resources. In actual engineering, excessive graphics card consumption is more difficult. Therefore, in order to reduce the time consumption and the consumption of computing resources, this research adopts the variant neural network GRU technology of the LSTM neural network. Figure3 shows the working method and calculation principle of GRU. Compared to the LSTM method, it reduces the amount of parameter computation for the same dataset. GRU extracts the temporal features of the integrity features of Chinese paintings. In Figure 3, the schematic diagram of the Chinese painting only represents the temporal characteristics of the Chinese painting, and it is only a schematic diagram.Figure 3
The working principle of the GRU.GRU has only two gate structures, which is one of the factors that can reduce the number of parameters. It only specifically updates gate and resets two gate structures. Equations (1) and (2) show how the update gate is calculated. The update gate has the functions of the forget gate and the input gate of the LSTM method. It organizes and retains data in the current state and data in the past.(1)gr=σWrht−1,xt+br,(2)h˜t=tanhWhgrht−1,xt+bh.Equations (3) and (4) show how the reset gate is calculated. It will control the amount of historical state information to remember or discard. Then, it integrates the information of these two moments and outputs it.(3)gz=σWzht−1,xt+bz,(4)ht=1−gzht−1+gzh˜t.For ACNN, most of the matrix calculation methods have similarities with CNN. Most matrix calculations will also follow the calculation guidelines of CNN. Equation (5) shows a calculation method for the input layer of ACNN. For the input data of environmental protection and Chinese painting integrity-related features, it will perform a convolution operation.(5)V=conv2W,X,″valis″+b.Equation (6) introduces the calculation criteria for the output layer of ACNN, which will be connected to the input layer of GRU. The output data of ACNN is the input data of GRU.(6)Y=ϕV.Equation (7) also shows a calculation scheme for the input layer of ACNN, which expands the weights and biases and is a detailed expansion structure method.(7)xj=f∑i∈Mjxiζ−1∗kijζ+bjζ.Equation (8) shows a deconvolution calculation of the convolution operation. This is also a common form of computation for ACNN methods. It can restore the relative dimensions of the complete input data of Chinese painting.(8)δl−1=conv2rot180Wl,δl,′full′ϕ′vl−1.The difference between ACNN and CNN lies in the calculation method of hyperparameters. The factor hyperparameter and the factor of the hidden layer differ from CNN. Equations (9)–(11) show how the number of input layer features and output layer features of ACNN is calculated.(9)Sout=Sin+2pading−Skenalstep+1,(10)Sin=Sout−1×step+Skenal−2pading,(11)Vi=Vi−1+Skenal−i×∏i=1i−1stepi−1.


## 4. Result Analysis and Discussion

This research mainly uses the ACNN and GRU methods to study the relationship between environmental protection and the patterns of Chinese paintings, as well as the colors and shapes of Chinese paintings. It will establish the relationship between environmental protection and the integrity of Han paintings, which will be beneficial to the implementation of the relevant protection of the integrity of Han paintings at the level of environmental protection. The learning and feature extraction of ACNN and GRU methods will require a large number of datasets, which is the research basis of neural network methods. If the dataset of environmental protection-related factors and the three characteristics of Han painting integrity is more accurate, it will establish a more accurate relationship. Therefore, this study collected a large number of relevant data on Han paintings in Chinese history. This will ensure the accuracy of the dataset. At the same time, these data will be subjected to the data preprocessing process because the datasets of the three characteristic data of environmental protection and Chinese painting have many differences and are missing in the process of data collection.In order to quantitatively analyze the relationship between environmental protection and the three characteristics of Chinese painting, it adopts some statistical parameters to analyze the accuracy of ACNN and GRU methods for the study of the integrity of Chinese painting. First, it will use a single ACNN method to explore the accuracy of quantitative analysis of the integrity of Chinese paintings. This type of research will also explore temporal correlations in the research process of Han painting integrity. Figure4 shows the average prediction errors of pattern, color, and shape features for Han painting integrity studies using a single ACNN method. In Figure 4, V1 represents the color feature of the completeness of Chinese painting. V2 represents the modeling feature of the integrity of Chinese painting. V3 represents the pattern feature of the integrity of Chinese painting. Although a single ACNN method can predict the three characteristics of the completeness of Chinese paintings, the numerical values of the prediction errors of the three characteristics of the completeness of Chinese paintings are relatively large. This makes it difficult for Han painting researchers to establish an accurate relationship between environmental protection and the integrity of Han paintings. Of the three errors in the integrity of Han painting, the largest error is 3.12%, which is the prediction error of the pattern characteristics of Chinese painting. There is a close connection between the change in the pattern characteristics of Han painting and the time. The smallest part of the prediction error also reached 2.61%. This part of the error comes from the prediction error of the color characteristics of Chinese paintings.Figure 4
Prediction errors of three features of Chinese painting integrity using a single ACNN method.In order to further reduce the error of the artificial intelligence method in predicting the three characteristics of environmental protection and Chinese painting, this study also takes the GRU method into account. Figure5 shows the average prediction error of three features of Chinese painting integrity using ACNN and GRU methods. Figure 5 shows the prediction error for each set of features: the left one represents the prediction error obtained with a single ACNN method. The one on the right represents the prediction error obtained with the ACNN-GRU method. This makes it clearer to compare the accuracy of ACNN and ACNN-GRU. From Figure 5, it can be seen that the prediction errors of the three characteristics of the integrity of Chinese painting have all been reduced, although the ranges of these reductions are different. This shows the advantage of GRU technology for predicting the accuracy of features related to the integrity of Chinese painting. This also shows that there is a strong temporal correlation in the feature prediction process of Chinese painting. The prediction error of the pattern features of the completeness of Chinese painting was reduced from 3.21% to 2.45%. The error of the color of the integrity of the Han painting was also reduced from 2.61% to 1.98%. This reduction in the magnitude of prediction error is beneficial for ACNN and GRU to accurately establish the relationship between environmental protection and the three characteristics of Chinese painting. This is beneficial to guide researchers to protect the integrity of Han paintings through environmental protection.Figure 5
The prediction errors of the three characteristics of the integrity of Han paintings are obtained by ACNN and GRU methods.In order to more accurately analyze the accuracy of ACNN and GRU in predicting the three characteristics of Chinese paintings, it separately analyzes the prediction errors of the patterns, shapes, and colors of the Chinese paintings. Each feature was analyzed using 25 different test sets. Figure6 shows the prediction error of the modeling features of Chinese paintings. In Figure 6, the green area represents the data for which the prediction error of the modeling features of the completeness of Chinese painting is within 2%. Overall, for the 25 sets of data related to the integrity of Chinese paintings, most of the datasets have prediction errors within 1.8%. There are only two sets of data with an error of more than 2%. The largest prediction error is only more than 2.4%. There are also a small number of Chinese paintings whose prediction error is within 0.6%. This shows that ACNN and GRU methods can accurately and stably predict the modeling features of the integrity of Chinese paintings. This also helps researchers to precisely search for the relationship between environmental protection and the integrity of Han paintings.Figure 6
Prediction error distribution of modeling features of the completeness of Chinese paintings.Color characteristics are also an important part of the integrity of Chinese painting. Color is also very susceptible to environmental damage. Therefore, if the accurate relationship between the color characteristics of Chinese painting and environmental protection can be established, it will help researchers to accurately realize the protection of the integrity of the color characteristics of Chinese painting. Figure7 shows the distribution of the predicted and actual values of the color features of Chinese painting integrity. The yellow area represents the error between the predicted value and the actual value of the color feature of Chinese painting, and it is also obvious that the error is distributed among 25 different sets of data. From Figure 7, it can be clearly seen that there are relatively large differences in the colors of Chinese paintings for different groups, which leads to the obvious phenomenon of fluctuation in Figure 7. However, ACNN and GRU can better predict the changing trend of Chinese painting color characteristics and the data value of the color for different data, which can also be seen from the distribution of the yellow area in Figure 7.Figure 7
Distribution of predicted value and actual value of color feature of Chinese painting integrity.From the previous description and analysis, it can be seen that the pattern features of Chinese paintings have relatively large errors compared with the color and shape characteristics of Chinese paintings. In this study, the prediction accuracy of Chinese painting pattern features was demonstrated by means of linear correlation coefficients. Figure8 shows the predicted linear correlation coefficients of pattern features for the integrity of Chinese paintings. For the linear correlation coefficient, the value generally exceeds 0.95, which indicates that the model is relatively good. It can be seen from Figure 8 that the linear correlation coefficient of the pattern eigenvalues of the integrity of Chinese painting has exceeded 0.97. Most of the data points are also distributed on both sides of the function. This is enough to show that the ACNN-GRU model is a pattern feature suitable for predicting the integrity of Chinese paintings. Moreover, ACNN-GRU has higher accuracy in predicting the completeness of Chinese painting pattern features. This is an advantageous artificial intelligence strategy for researchers.Figure 8
Predicted linear correlation distribution of pattern features in Han paintings.


## 5. Conclusions

The development of Han painting has a history of many years, and it also records the progress and changes in the economic and political aspects of Chinese culture. Han painting is also a kind of Chinese culture and art. From ancient times to the present, Han painting can be said to be the essence of Chinese painting. Therefore, the research and protection of Han painting are crucial. The environment will also affect the protection of Han paintings because the destruction of the environment will bring many harmful substances to the protection of Han paintings. Han painting is a kind of art with a huge amount of data on patterns, colors, and modeling features. It is complicated to establish the relationship between environmental protection and the integrity of Han painting by traditional methods. It is also difficult to achieve a quantitative analysis between environmental protection and the integrity of Han paintings.This study uses ACNN and GRU methods in artificial intelligence methods to study the accuracy of pattern features, color features, and modeling features of the integrity of Chinese painting. GRU is used to extract the temporal correlation of the completeness features of Chinese paintings. First, this study analyzes the accuracy of a single ACNN in predicting the completeness features of Chinese paintings. The largest prediction error is 3.12%. The smallest prediction error is also 2.61%. Although this part of the error can be used by researchers, the error value of this part is also relatively large. This is not good for establishing the relationship between environmental protection and the integrity of the Han painting. The prediction errors of the three features of Chinese painting integrity were significantly reduced after using the GRU method. This shows that the ACNN-GRU hybrid method is more suitable for establishing the quantitative relationship between the three characteristics of environmental protection and the integrity of Chinese painting. This research has great application value for guiding the relationship between environmental protection and Han painting conservation.



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*Source: 3245947-2022-08-27.xml*