Judul: Face Recognition Using VFI5 Algorithm with Wavelet Transformation.
Abstrak: Biometrik system is the introduction of the system to identify patterns that physiological characteristics a person with determining the autenticity of a specific psysiolagical and/or behavioral characteristic posessed by that person. Not all physiological characteristics can be used on the system biometrik, several characteristics that must be fulfilled that is universal, distinctiveness, permanent, and collectability. Face is one of the physiological characteristics that can not be falsified, therefore this research using biometrik face. Wavelet is an image processing method that can extraction features and the features that are important will not be lost when the image dimension reduction. Wavelet transformation of the image will be used as an input system in the face recognition of this research and mother wavelet used was the Haar wavelet. Method face recognition used of this research is the algorithm Voting Feature Interval (VFI5). VFI5 algorithm is an algorithm that represents the description of a concept by a set of interval values of the features or attributes. Phases of the training VFI5 algorithm produce the intervals, and each features a manner resulting image data represented by pixels on each element of data. Face image used in this research is measuring 92 × 112 pixels. The image of the face will have a wavelet transformation so that will be quarter of the original dimensions, the transformation level 1 produce image measure 46 × 56, the transformation level 2 produce image measure 23 × 28, and so on until level 6 produce image measure 2 × 2. In this research using training data 6 face images and testing data 4 face images. Rank accuracy the wavelet decomposition level increased from level 2 to level 6, different with level 1 if comparing level 2 is lower accuracy. In first level the accuracy is 72,5%, 90% for second level, 85% for third level, 80% for fourth level, 68% for fifth level, and 30% for sixth level. Keywords : image prosessing, face recognition, wavelet transformation, VFI5 algorithm.
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Judul: Pengenalan wajah dengan partisi citra menggunakan VFI5 berbasis histogram
Abstrak: Research in face recognition is motivated not only by the fundamental challenges this recognition problem poses but also by numerous practical applications where human identification is needed. Face recognition, as one of the primary biometric technologies, became more important owing to rapid advances in technologies such as digital cameras, the Internet and mobile devices, and increased demands on security. Face recognition has several advantages over other biometric technologies: It is natural, non intrusive, and easy to use. There are two predominant approaches to the face recognition problem: geometric (feature based) and photometric (view based). A classification algorithm, called VFI5 (Voting Feature Intervals), is developed and applied to problem of face recognition with partition based on histogram. VFI5 represents a concept in the form of feature intervals on each feature dimension separately. Classification in the VFI5 algorithm is based on a real-valued voting. Each feature equally participates in the voting process and the class that receives the maximum amount of votes is declared to be the predicted class. The performance of the VFI5 classifier is evaluated empirically in terms of classification accuracy. Conclusion of this research indicates that VFI5 can be used for face recognition with high accuracy the level.
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Judul: Sarkosporidiosis pada sapi yang di sebabkan oleh sarcocystis cruzi
Abstrak: Sarkosporidiosis merupakan penyakit protozoa yang dapat berjalan akut dan kronis. Sarkosporidiosis pada sapi dapat diakibatkan oleh 3 jenis sarkosporidea dengan S. cruzi yang bersifat patogen dan paling banyak menyerang hewan sapi. Kejadian sapi yang terserang, mempunyai hubungan dengan umur dan musim. Sapi dari segala umur dapat terserang, tetapi sapi dengan umur di atas 2 tahun lebih banyak terserang. Mengenai musim, di Indonesia kejadian sarkosporidiosis lebih banyak terjadi pada musim hujan, dan kejadian di Eropa lebih banyak terjadi pada musim semi dan musim panas. Siklus hidup S. cruzi harus mempunyai dua induk semang yaitu herpifora sebagai induk semang antara dan karnifora sebagai induk semang akhir. Secara morfologi, hanya kista yang berisi bradyzoit yang menyebabkan infeksi terhadap karnifora. Bila dirangkumkan, perjalanan siklus hidupnya dapat dibagi dalam 3 tahap, yaitu tahap sporogoni, tahap skizogoni dan tahap gamelogoni. Tahap skizogoni merupakan tahap aseksual pada induk semang antara dan tahap gametogoni merupakan tahap seksual pada Induk semang akhir. togenitas Sarcocystis tidak begitu berat, yang membahayakan adalah toksinnya yang disebut sarkocystin atau sarkosporidin yang dapat merusak susunan syaraf, kelenjar adrenal, jantung dan dinding usus. Pengaruhnya pada penyakit yang bersifat akut, hanya terjadi dalam sejumlah kecil induk semang dan harus pula terhadap jumlah yang besar dari sporokista. Gejala-gejala klinis yang tampak adalah sebagai berikut: gejal umum, kerontokan bulu, hipersalivasi, ikterus kepucatan membaan mukus, limfadenopati periferal, diare, perasaan kedinginan, otot kejang, otot dan kepala tremor, dan paralisis-posterior. Pada sapi perah, gejala klinis yang terlihat umumnya terjadi setelah laktasi dimulai dengan sebelumnya tidak terlihat tanda-tanda yang jelas. Gejala yang ada, adalah demam (41.1°C 12.0°C), hipersalivasi, pengeluaran cairan dari hidung (nasal discharge), dan kehilangan pengkilapan bulu kulit serta kehilangan gerakan dari ekor ("ekor tikus"). ...
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