yusuke1997/dblp-id-title huggingface dataset:
An Indoor Localization Method Based on the Combination of Indoor Map Information and Inertial Navigation with Cascade Filter
Analysis and Application of the Ideological and Political Evaluation System of College Students Based on Text Mining
A Sensor Network with Embedded Data Processing and Data-to-Cloud Capabilities for Vibration-Based Real-Time SHM
The Evaluation Method of Community Emergency Resource Allocation Based on Coordination Sensor Information Collection
Optimal Value of Series Capacitors for Uniform Field Distribution in Transmission Line MRI Coils
Literature Survey on Stereo Vision Disparity Map Algorithms
Modeling and Calculation of Dent Based on Pipeline Bending Strain
Microstructure-Based Interfacial Tuning Mechanism of Capacitive Pressure Sensors for Electronic Skin
Wireless Sensor Network Target Localization Algorithm Based on Two- and Three-Dimensional Delaunay Partitions
IoT-Based Smart Building Environment Service for Occupants' Thermal Comfort
Acute Effects of Muscular Fatigue on Vertical Jump Performance in Acrobatic Gymnasts, Evaluated by Instrumented Insoles: A Pilot Study
Optimization of Intelligent Display Mode of Museum Cultural Relics Based on Intelligent Wireless Sensor Network
A Novel Bioflocculant from Raoultella planticola Enhances Removal of Copper Ions from Water
Measurement of Annular Flow for Drilling Engineering by Electromagnetic Flowmeter Based on Double-Frequency Excitation
Water Pollution Detection Based on Hypothesis Testing in Sensor Networks
Optimized Design of Multilines Center of Subway AFC System via Distributed File System and Bayesian Network Model
Modeling a Sensor to Improve Its Efficacy
Colloidal Influence Factor of Bioflocculant in Coagulation of Chromium and Nitrobenzene
Correlation Analysis between Sports and Antiaging Based on Medical Big Data
Multipurpose Drivers for MEMS Devices Based on a Single ASIC Implemented in a Low-Cost HV CMOS Process without a Triple Well
Acoustic Source Localization via Time Difference of Arrival Estimation for Distributed Sensor Networks Using Tera-Scale Optical Core Devices
An Efficient Deployment Model for Maximizing Coverage of Heterogeneous Wireless Sensor Network Based on Harmony Search Algorithm
A Fault Diagnosis Method of Train Wheelset Rolling Bearing Combined with Improved LMD and FK
Sensor-Based Model Driven Control Strategy for Precision Irrigation
Improved Spatial Resolution of Electroencephalogram Using Tripolar Concentric Ring Electrode Sensors
Evolution and Quality Analysis Algorithm of Consumer Online Reviews Based on Data Fusion and Multiobjective Optimization
An Energy-Efficient One-Shot Scheduling Algorithm for Wireless Sensor Networks
Research Progress on Humidity-Sensing Properties of Cu-Based Humidity Sensors: A Review
FastSLAM Using Compressed Occupancy Grids
Recognition of Hand Gesture Using Electromyography Signal: Human-Robot Interaction
Autonomic Context-Aware Wireless Sensor Networks
Efficient Objective Metric Tool for Medical Electrical Device Development: Eye Phantom for Glaucoma Diagnosis Device
Research on EMC Optimization of Wireless Electric Field Sensor for Rail Vehicle
Research on the Bionic Flexible End-Effector Based on Tomato Harvesting
3D Autonomous Navigation Line Extraction for Field Roads Based on Binocular Vision
Mechanical Characterization of PDMS Films for the Optimization of Polymer Based Flexible Capacitive Pressure Microsensors
Cost-Effective and Ultraportable Smartphone-Based Vision System for Structural Deflection Monitoring
Research on GPS User Trajectory Analysis and Behavior Prediction Based on Swarm Intelligence Algorithm
Fluorescent Rosamine/TiO 2 Composite Films for the Optical Detection of NO 2
Study of Activity Tracking through Bluetooth Low Energy-Based Network
An Energy Efficient Routing Protocol Based on Layers and Unequal Clusters in Underwater Wireless Sensor Networks
A Real-Time 3D Perception and Reconstruction System Based on a 2D Laser Scanner
Design of Distributed Human Resource Management System of Spark Framework Based on Fuzzy Clustering
Application of Multiscale Facial Feature Manifold Learning Based on VGG-16
Damage Detection of Closed Crack in a Metallic Plate Using Nonlinear Ultrasonic Time Reversal Method
Exploring the Practice of Teaching English Professional Translation Using IoT and Cloud Computing Multimedia Assistance
Fault-Tolerant Optical Flow Sensor/SINS Integrated Navigation Scheme for MAV in a GPS-Denied Environment
Dark Signal Temperature Dependence Correction Method for Miniature Spectrometer Modules
Wireless Music Playing Buzzer Sensor-Assisted Music Tone Adaptive Control
Thermal Sensor Circuit Using Thermography for Temperature-Controlled Laser Hyperthermia
UAV-Based Gigapixel Panoramic Image Acquisition Planning with Ray Casting-Based Overlap Constraints
Double Regression-Based Sparse Unmixing for Hyperspectral Images
Research on Urban Fringe Rural Design Based on Correlation Analysis of Human-Land Relationship: Taking Xiananshan Village as an Example
Corrigendum to "Application of Fractional Differential Calculation in Pretreatment of Saline Soil Hyperspectral Reflectance Data"
Motion Control Analysis of Tennis Robot Based on Ant Colony Algorithm
Development of a High-Performance Magnetic Field Sensor and Its Application to a Magnetic Field Visualization System Using the Augmented Reality Technique
An Application-Aware Clustering Protocol for Wireless Sensor Networks to Provide QoS Management
ECG-ViT: A Transformer-Based ECG Classifier for Energy-Constraint Wearable Devices
An Efficient Image Enlargement Method for Image Sensors of Mobile in Embedded Systems
An Intelligent Fault Detection Model for Fault Detection in Photovoltaic Systems
Multimodal Intelligent Acoustic Sensor-Assisted English Pronunciation Signal Acquisition and Phonetic Calibration
Piecewise Polynomial Fitting with Trend Item Removal and Its Application in a Cab Vibration Test
Robotic Visual Tracking of Relevant Cues in Underwater Environments with Poor Visibility Conditions
Edge Detection from RGB-D Image Based on Structured Forests
Power Cell SOC Modelling for Intelligent Virtual Sensor Implementation
A Novel Routing Protocol for Low-Energy Wireless Sensor Networks
Construction of a Wireless Sensing Network System for Leisure Agriculture for Cloud-Based Agricultural Internet of Things
Preliminary Evaluation of Gaofen-3 Quad-Polarized SAR Imagery for Longbao Protected Plateau Wetland Reserve
Interferometer-in-Spectrometer for High-Resolution Optical Coherence Tomography
Food Quality Monitoring Based on Hydrolysis-Induced Au-Catalyzed Heck Cross-Coupling by Ag Metallization
English Listening Teaching Device and Method Based on Virtual Reality Technology under Wireless Sensor Network Environment
Characteristic of Magnetic Fluctuation of Underground Passing Pig Labeled with Magnets
Plastic Optical Fiber Sensing of Alcohol Concentration in Liquors
Significant Remote Sensing Vegetation Indices: A Review of Developments and Applications
A Device for Respiratory Monitoring during Nutritive Sucking: Response to Neonatal Breathing Patterns
A Context-Aware System Infrastructure for Monitoring Activities of Daily Living in Smart Home
IoT Healthcare: Design of Smart and Cost-Effective Sleep Quality Monitoring System
Urban Lawn Monitoring in Smart City Environments
The Development of an Amperometric Enzyme Biosensor Based on a Polyaniline-Multiwalled Carbon Nanocomposite for the Detection of a Chemotherapeutic Agent in Serum Samples from Patients
Vibration Suppression and Isolation for Rapeseed Grain Cleaning Loss Sensor
Polymethine Dye as Sensors of NH 3 and CO
Bit-Error Aware Lossless Image Compression with 2D-Layer-Block Coding
Optimization of Intelligent Tuning System for Stringed Instruments Based on Wireless Sensor Network
An Improved μ TESLA Protocol Based on Queuing Theory and Benaloh-Leichter SSS in WSNs
3D Kinematic Analysis of Intelligent Vision Sensor Image in Football Training
Comprehensive Evaluation Model of Bearing Transportation Protection Effect of Bogie Traction Motor under Data Imbalance
A LIDAR-Based Tree Canopy Characterization under Simulated Uneven Road Condition: Advance in Tree Orchard Canopy Profile Measurement
ACO-Based Sweep Coverage Scheme in Wireless Sensor Networks
A State-Domain Robust Chi-Square Test Method for GNSS/INS Integrated Navigation
A Review in the Automatic Detection of Pigs Behavior with Sensors
Contactless Monitoring of Breathing Patterns and Respiratory Rate at the Pit of the Neck: A Single Camera Approach
Mitigating Hotspot Issues in Heterogeneous Wireless Sensor Networks
In-Body Electromagnetic Sensor Combined with AI-Enhanced Electrocardiography for Pacemaker Working Status Telemonitoring
An Optimized Symmetric WENO Method-Based Numerical Simulation of Intense Sound Field Generated by Underwater Plasma Sound Source
An Improved FastSLAM System Based on Distributed Structure for Autonomous Robot Navigation
A Novel Feature Selection Scheme and a Diversified-Input SVM-Based Classifier for Sensor Fault Classification
Differential Electroanalysis of Dopamine in the Presence of a Large Excess of Ascorbic Acid at a Nickel Oxide Nanoparticle-Modified Glassy Carbon Electrode
Stabilization and Ecological Risk Evaluation of Heavy Metals in Farmland Soils by Addition of Attapulgite Modified with Phosphates
Measurement of Circumferential Liquid Film Based on LIF and Virtual Stereo Vision Sensor
Blind Crosstalk Correction for Color Fringe Projection Profilometry Combining the Sine and Cosine Phase-Shifting Patterns
Automated Coregistration of Multisensor Orthophotos Generated from Unmanned Aerial Vehicle Platforms
Multiple Wirelessly Powered Sensing Platform Scheduling Algorithm Based on Dynamic Priority Preemption
Beacon-Based Time-Spatial Recognition toward Automatic Daily Care Reporting for Nursing Homes
Monitoring and Analysis of Physical Exercise Effects Based on Multisensor Information Fusion
A Support Vector Machine Based Prediction on Sensitivity to Coal Ash Blast for Different Degrees of Deterioration
Noniterative Three-Dimensional Location Estimation Using Azimuth and Elevation Measurements at Multiple Locations
Data Fusion Algorithm for Heterogeneous Wireless Sensor Networks Based on Extreme Learning Machine Optimized by Particle Swarm Optimization
An Incentive and Reputation Mechanism Based on Blockchain for Crowd Sensing Network
An Enhanced Method for Detecting and Repairing the Cycle Slips of Dual-Frequency Onboard GPS Receivers of LEO Satellites
An Intelligent and Secure Health Monitoring Scheme Using IoT Sensor Based on Cloud Computing
Geometrical Properties of Spilled Oil on Seawater Detected Using a LiDAR Sensor
Temperature Optimized Ammonia and Ethanol Sensing Using Ce Doped Tin Oxide Thin Films in a Novel Flow Metric Gas Sensing Chamber
Analysis of Key Factors of College Students' Ideological and Political Education Based on Complex Network
Improvement of the Angle of Arrival Measurement Accuracy for Indoor UWB Localization
Vibration Detection Using Optical Fiber Sensors
Indoor Tracking, Mapping, and Navigation: Algorithms, Technologies, and Applications
A Novel Based on the Log-Squared Envelope Harmonic Noise Ratio Fault Transient Feature Extraction Method
An Energy-Aware Data Transmission Scheme under the Guarantee of Reliability for 3D WSNs
Data Mining of Regional Economic Analysis Based on Mobile Sensor Network Technology
Application of VMD in Pipeline Leak Detection Based on Negative Pressure Wave
Use of Magnetic Fluid in Accelerometers
Differentiation of Eight Commercial Mushrooms by Electronic Nose and Gas Chromatography-Mass Spectrometry
Effects of Subsurface Drip Irrigation on Water Consumption and Yields of Alfalfa under Different Water and Fertilizer Conditions
Intercomparison of Methods for Determination of Resonant Frequency Shift of a Microstrip Patch Antenna Loaded with Hevea Rubber Latex
Bistatic Radar Coincidence Imaging Based on Multiple Measurement Vectors for Rotating Cone-Shaped Targets
Online Measuring and Size Sorting for Perillae Based on Machine Vision
Nondestructive Testing for Corrosion Evaluation of Metal under Coating
Sensor Fault Diagnosis Observer for an Electric Vehicle Modeled as a Takagi-Sugeno System
Nanomechanical Sensing
Calibration of Short Range 2D Laser Range Finder for 3D SLAM Usage
Acoustic Emission Source Localization System Using Fiber Bragg Grating Sensors and a Barycentric Coordinate-Based Algorithm
Local Interaction Simulation Approach for Fault Detection in Medical Ultrasonic Transducers
A Smart Telecare System at Digital Home: Perceived Usefulness, Satisfaction, and Expectations for Healthcare Professionals
Review of Calibration Methods for Scheimpflug Camera
Construction and Effect Analysis of College Students' Physical Education Teaching Mode Based on Data Mining Algorithm
An Analysis of the Influence of Complex Networks in Cross-Cultural Communication
Performance Analysis of Dual-Polarized Massive MIMO System with Human-Care IoT Devices for Cellular Networks
Making Wearable Technology Available for Mental Healthcare through an Online Platform with Stress Detection Algorithms: The Carewear Project
Athletes' State Monitoring under Data Mining and Random Forest
Optimization-Based Artificial Bee Colony Algorithm for Data Collection in Large-Scale Mobile Wireless Sensor Networks
Fundamentals, Recent Advances, and Future Challenges in Bioimpedance Devices for Healthcare Applications
Analysis of the Distributed Immune Inspection Equipment Sensor Scheduling Model Based on Adaptive Dynamic Probabilistic Particle Swarm Optimization
Throughput-Guaranteed Distributed Channel Assignment and Scheduling Algorithms with Low Complexity for Multichannel Wireless Sensor Networks
Layout Method of Multiseismic Detectors for Shallow Underground Excavation Applications
Accurate 3D Surface Reconstruction for Smart Farming Application with an Inexpensive Shape from Focus System
A Low-Power and Low-Voltage Power Management Strategy for On-Chip Micro Solar Cells
Low-Latency and High-Concurrency 5G Wireless Sensor Network Assists Innovation in Ideological and Political Education in Colleges and Universities
Intrusion Detection in Wireless Sensor Networks with an Improved NSA Based on Space Division
Capability of a Portable Chromatic Unit for Monitoring Airborne Particles over Wide Urban Areas
Quantitative Parameters of Contrast-Enhanced Ultrasound Combined with Lung Biopsy Were Used to Evaluate the Benign and Malignant Lesions around the Lungs
Power Optimization of IRS-Assisted D2D System Based on Imperfect Channel
Experimental Study on the Aperture of Geomagnetic Location Arrays
Airborne Polarimetric Remote Sensing for Atmospheric Correction
Rectifier Fault Diagnosis and Fault Tolerance of a Doubly Fed Brushless Starter Generator
Off-Center Error Correction of AMR Yokeless Current Transducer
Mathematical Modeling Analysis of Data Attribute Encryption for Robot
Handwriting Recognition in Free Space Using WIMU-Based Hand Motion Analysis
Simulation of Steady-State Temperature Rise of Electric Heating Field of Wireless Sensor Circuit Fault Current Trigger
5G Multimedia Precision Marketing Based on the Improved Multisensor Node Collaborative Filtering Recommendation Algorithm
Detecting and Measuring Internal Anomalies in Tree Trunks Using Radar Data for Layer Identification
Healthcare Data Security Using IoT Sensors Based on Random Hashing Mechanism
Research on the Progress of Interdigital Transducer (IDT) for Structural Damage Monitoring
On the Use of Graphs for Node Connectivity in Wireless Sensor Networks for Hostile Environments
Evaluation of Takeover Time Performance of Drivers in Partially Autonomous Vehicles Using a Wearable Sensor
Electrochemical Characteristics Based on Skin-Electrode Contact Pressure for Dry Biomedical Electrodes and the Application to Wearable ECG Signal Acquisition
Deep Denoising Autoencoding Method for Feature Extraction and Recognition of Vehicle Adhesion Status
Design and Implementation of English Listening Teaching Based on a Wireless Communication Microprocessor and Virtual Environment
On-Board Correction of Systematic Odometry Errors in Differential Robots
Feedback-Dubins-RRT Recovery Path Planning of UUV in an Underwater Obstacle Environment
Wireless Sensor Networks Formation: Approaches and Techniques
A Fast SINS Initial Alignment Method Based on RTS Forward and Backward Resolution
A Research on the Combination Strategies of Multiple Features for Hyperspectral Remote Sensing Image Classification
Fabrication of Nanotube Thin Films and Their Gas Sensing Properties
Fuzzy Control-Based Energy-Aware Routing Protocol for Wireless Body Area Networks
Link Expiration Time-Aware Routing Protocol for UWSNs
Experimental Results for Direction of Arrival Estimation with a Single Acoustic Vector Sensor in Shallow Water
A Study of Visual Descriptors for Outdoor Navigation Using Google Street View Images
A Damage Detection Method Using Neural Network Optimized by Multiple Particle Collision Algorithm
Mapping Pyroclastic Flow Inundation Using Radar and Optical Satellite Images and Lahar Modeling
Comparison and Calibration of Mobile Phone Fisheye Lens and Regular Fisheye Lens via Equidistant Model
Dynamic Compensation of Piezoresistive Pressure Sensor Based on Sparse Domain
A SiPM-Based Trinal Spectral Sensor Developed for Detecting Hazardous Discharges in High-Voltage Switchgear
A Nonlinear Calibration Method Based on Sinusoidal Excitation and DFT Transformation for High-Precision Power Analyzers
Shape Reconstruction of Eccentric Defect in Cylindrical Component by Modified Born Approximation Method
Efficient Management and Application of Human Resources Based on Genetic Ant Colony Algorithm
Noninvasive Superoxide Monitoring of In Vitro Neuronal Differentiation Using a Cell-Based Biosensor
Flexible and/or Stretchable Sensor Systems
Radar Signal Recognition and Localization Based on Multiscale Lightweight Attention Model
Application of Distributed Optical Fiber Sensing Technology in Surrounding Rock Deformation Control of TBM-Excavated Coal Mine Roadway
Sensors and Applications in Agricultural and Environmental Monitoring
Magnetic Induction Technology-Based Wireless Sensor Network for Underground Infrastructure, Monitoring Soil Conditions, and Environmental Observation Applications: Challenges and Future Aspects
LETR: An End-to-End Detector of Reconstruction Area in Blades Adaptive Machining with Transformer
Evaluation of Different Soil Salinity Mapping Using Remote Sensing Techniques in Arid Ecosystems, Saudi Arabia
Low-Cost MEMS-Based Pedestrian Navigation Technique for GPS-Denied Areas
Neural Network with Confidence Kernel for Robust Vibration Frequency Prediction
Modal Analysis of a Single-Structure Multiaxis MEMS Gyroscope
Construction and Evaluation of College Students' Psychological Quality Evaluation Model Based on Analytic Hierarchy Process
Iterative Learning Control for Switched Systems with Sensor Saturation Constraints
A Method of UWB Radar Vital Detection Based on P Time Extraction of Strong Vital Signs
Composition Regulation and Microstructure Characterization of Fe100-xGax Films in the Manufacturing Industry
Random Forest Feature Selection and Back Propagation Neural Network to Detect Fire Using Video
Simulation of an Electromagnetic Acoustic Transducer Array by Using Analytical Method and FDTD
Low-Cost Open-Source Voltage and Current Monitor for Gas Metal Arc Weld 3D Printing
On Mass Loading and Dissipation Measured with Acoustic Wave Sensors: A Review
BSIRNet: A Road Extraction Network with Bidirectional Spatial Information Reasoning
Construction of Tourism Area Capacity Early Warning System Based on Internet of Things Technology
A Novel Artificial Neural Network-Based Correlation for Evaluating the Rate of Penetration in a Natural Gas Bearing Sandstone Formation: A Case Study in a Middle East Oil Field
Study of the Magnetic Properties of Haematite Based on Spectroscopy and the IPSO-ELM Neural Network
DCAR: DTN Congestion Avoidance Routing Algorithm Based on Tokens in an Urban Environment
Research of Magnetic Shielding on the Closing Gap of Optical Fiber Current Sensor
The Fuzzy Feedback Scheduling of Real-Time Middleware in Cyber-Physical Systems for Robot Control
Detecting the Depth of a Subsurface Brine Layer in Lop Nur Lake Basin Using Polarimetric L-Band SAR
Application of Multiobjective Particle Swarm Optimization in Rural Credit System
Review and Comparison of High-Dynamic Range Three-Dimensional Shape Measurement Techniques
Sensor Fault Diagnosis of Locomotive Electro-Pneumatic Brake Using an Adaptive Unscented Kalman Filter
Effect Evaluation of Biomedical Experiment Teaching Based on Intelligent Sensor
The Use of Sensors for Monitoring the Feeding Process and Adjusting the Feed Supply Velocity in Fish Farms
Algorithm for Automated Mapping of Land Surface Temperature Using LANDSAT 8 Satellite Data
Titanium Dioxide-Based 64° YX LiNbO 3 Surface Acoustic Wave Hydrogen Gas Sensors
Synchronous Acquisition and Analysis of Ultrasonic Spectral Information for the Characterization of Particle Size Distribution
Experimental Study on Piezoelectric Energy Harvesting from Vortex-Induced Vibrations and Wake-Induced Vibrations
Model Analysis of Sandstone Tunnel Cracking Based on Fracture Mechanics Theory and Sensor Testing Technology Research
Application of Traditional Graphic Elements Based on Fiber Bragg Grating Tactile Sensor Technology
Iron (III) Ion Sensor Based on the Seedless Grown ZnO Nanorods in 3 Dimensions Using Nickel Foam Substrate
Passive Localization of Moving Target with Channel State Information
Quality-Aware Incentive Mechanism for Mobile Crowd Sensing
Detecting Direction of Pepper Stem by Using CUDA-Based Accelerated Hybrid Intuitionistic Fuzzy Edge Detection and ANN
Visual Sensor-Based Image Analysis of the Relationship between Nutritional Diet and Athletic Ability of Sports Dance Athletes
A Defect Localization Approach Based on Improved Areal Coordinates and Machine Learning
Image Sensory Experience of Artistic Design Based on the Role of Omnidirectional Vision Sensors
Canopy Extraction and Height Estimation of Trees in a Shelter Forest Based on Fusion of an Airborne Multispectral Image and Photogrammetric Point Cloud
Corrigendum to "The State-of-the-Art of Knowledge-Intensive Agriculture: A Review on Applied Sensing Systems and Data Analytics"
Microbial Biosensors as Pesticide Detector: An Overview
Light-Weight and Versatile Monitor for a Self-Adaptive Software Framework for IoT Systems
Integrated Channel Selector for Directing Fluid Flow Using Thermoreversible Gelation Controlled by a Digital Mirror Device
QoS and QoE Aware N-Screen Multicast Service
Sensing and Data-Driven Control for Smart Building and Smart City Systems
Near-Infrared Resonance Energy Transfer Glucose Biosensors in Hybrid Microcapsule Carriers
Water Pollution Control and Treatment Based on Quantum Dot Chemical and Biological High-Sensitivity Sensing
Polarization Lidar Detection of Agricultural Aerosol Emissions
Towards a Carbon Nanotube Intermodulation Product Sensor for Nonlinear Energy Harvesting
A Self-Oscillating System to Measure the Conductivity and the Permittivity of Liquids within a Single Triangular Signal
Alignment Method of Combined Perception for Peg-in-Hole Assembly with Deep Reinforcement Learning
Circuits and Systems for Wireless Sensing
DWT-Net: Seizure Detection System with Structured EEG Montage and Multiple Feature Extractor in Convolution Neural Network
A Review of Implementing ADC in RFID Sensor
Computer Vision-Based Portable System for Nitroaromatics Discrimination
Seismogenic Anomalies in Atmospheric Gravity Waves as Observed from SABER/TIMED Satellite during Large Earthquakes
Construction and Simulation of Deep Learning Algorithm for Robot Vision Tracking
Sliding Mode Control for Bearingless Induction Motor Based on a Novel Load Torque Observer
Assured Deletion: A Scheme Based on Strong Nonseparability
Low-Energy Secure Routing Protocol for WSNs Based on Multiobjective Ant Colony Optimization Algorithm
Impact of Sports Wearable Testing Equipment Based on Vision Sensors on the Sports Industry
Detection of Fatigue Microcrack Using Eddy Current Pulsed Thermography
Mainlobe Jamming Suppression Using Improved Frequency Diverse Array with MIMO Radar
Kidnapping Detection and Recognition in Previous Unknown Environment