Feature extraction is the key process in any pattern recognition issues. There is no exception in object recognition. In this paper, several feature extraction approaches in the field of object recognition are summed up. Zernike and Hu are two invariant moments and geodesic descriptors are applied directly to binary images and so we can have more information about the general shape of the objec...

Number plate recognition is a system which recognizes the license number of vehicle. This paper includes brief introduction of number plate recognition, which done the process of number plate detection, character segmentation and character recognition.NPR system is used in various fields like Tolling booths, Border security system, Tracking system and signal system. Number plates are different ...

Recognition of characters greatly depends upon the features used. Several features of the handwritten Arabic characters are selected and discussed. An off-line recognition system based on the selected features was built. The system was trained and tested with realistic samples of handwritten Arabic characters. Evaluation of the importance and accuracy of the selected features is made. The recog...

Face recognition and verification has been actively researched in recent years as information and data accumulating in abundance, and there is a crucial need for high security has received more attention. As face recognition, useful for a person’s authentication is quite simple and non-intrusive method that recognizes faces in complex multidimensional visual model and also a computational model...

Aiming at solving the problems of occlusion and illumination in face recognition, a new method of face recognition based on Kernel Principal Components Analysis (KPCA) and Collaborative Representation Classifier (CRC) is developed. The KPCA can obtain effective discriminative information and reduce the feature dimensions by extracting face’s nonlinear structures features, the decisive factor. C...

Fingerprint recognition is widely used in security systems to recognize humans. In both industry and scientific literature, many fingerprint identification systems were developed using different techniques and approaches. Although the number of conducted research works in this field, developed systems suffer for some limitations partially those related the real time computation and fingerprint ...

Facial expression recognition has different applications in the real world. We present a method to identify facial expressions taken from camera and build a parallel facial expression recognition system. A statistical technique such as Principal Component Analysis is used for dimensionality reduction and recognition and widely used for facial feature extraction and recognition. To test and eval...