face recognition using near infrared images

Ngày tải lên: 24/04/2014, 12:36

... where the variance among a set of face images is represented by a number of eigenfaces The face images, encoded as weight vectors of the eigenfaces, can be compared using a suitable distance measure ... accuracy when used in a variety of face recognition approaches, and clearly this benefit extends to HMM-based face recognition Using Gabor filters increased recognition results even further The ... “Human face recognition using PCA on wavelet subband,” Journal of Electronic Imaging, vol 9, no 2, pp 226–233, 2000 [27] M T Harandi, M N Ahmadabadi, and B N Araabi, Face recognition using reinforcement...

Ngày tải lên: 22/06/2014, 06:20

... as Face Recognition Using Local and Global Features 539 Table 9: Results of the FERET database on Group face images Table 12: Results of the FERET database on images in Group Method Spectroface ... on face recognition methods This paper proposes to make use of both local features and global features for face recognition, and performs experiments in combining two global feature face recognition ... for face recognition [6, 8] was first proposed by Sirovich and Kirby [7] Consider face images of size k × k Let X = {Xn ∈ Rd | n = 1, , N } be an ensemble of row vectors of training face images...

Ngày tải lên: 23/06/2014, 01:20

... obtained using electrical impedance spectroscopy during the early hardening phase [20] Recently, promising results have been obtained using reflectance spectroscopy in the visible and near infrared ... 1279–1288 [14] Lennartsson M., Ögren E., Predicting the cold hardiness of willow stems using visible and near- infrared spectra and sugar concentrations, Trees 17 (2003) 463–470 [15] Makeschin F., ... absorbance (A) values using the formula A = log (1/R) In order to identify outliers among data, all spectra were combined in a principal component analysis plot, produced using the SIMCA 8.0 package...

Ngày tải lên: 08/08/2014, 01:21

... Distance Learning for Face Recognition 69 5.1 Description of Face Recognition System 5.2 Face Recognition Using Principal Component Analysis 75 5.3 Face Recognition Using Probabilistic ... PCA 78 5.4 Face Recognition Using Two-Dimensional PCA 80 5.5 Face Recognition Using LDA 81 5.6 Proposed Face Recognition Using Bayesian Learning ... on face recognition reported in the literatures They include studies in three principal areas: facial representation, face detection and face recognition A face recognition algorithm or a face...

Ngày tải lên: 12/05/2016, 15:40

... comparison of audio-visual speech recognition methods using frontal -face and side -face images In our previous research on audio-visual speech recognition using frontal -face images [9], LMVFs were used ... components are built 4.1 AUDIO-VISUAL SPEECH RECOGNITION Overview Figure shows our bimodal speech recognition system using side -face images Both speech and lip images of the side view are synchronously ... inferiority to frontalface-based approaches CONCLUSIONS This paper has proposed audio-visual speech recognition methods using lip information extracted from side -face images, focusing on mobile environments...

Ngày tải lên: 22/06/2014, 19:20

... comparison of audio-visual speech recognition methods using frontal -face and side -face images In our previous research on audio-visual speech recognition using frontal -face images [9], LMVFs were used ... components are built 4.1 AUDIO-VISUAL SPEECH RECOGNITION Overview Figure shows our bimodal speech recognition system using side -face images Both speech and lip images of the side view are synchronously ... inferiority to frontalface-based approaches CONCLUSIONS This paper has proposed audio-visual speech recognition methods using lip information extracted from side -face images, focusing on mobile environments...

Ngày tải lên: 22/06/2014, 22:20

... Viterbi Model Probability Computation Extraction Not Frontal Face Feature Extraction Probability Computation Image Decision Test Frontal Face đ ụ ảÂ ềư Ơ Ô fqXfqĐmlàqxsrifhê Â ...

Ngày tải lên: 24/04/2014, 12:35

... able to build advanced applications for face recognition, such as expression recognition, or identity recognition, there are some difficulties with basic face recognition to overcome Firstly, these ... human-machine interfaces, with the hope of creating person-independent expression recognition capability Other examples of face- recognition techniques are recognizing the identity of a face/ person or ... in face images In the first stage the shape of a face is modelled The large variation of the large variety in the shape of human faces is addressed in this stage by aligning the hand-annotated images...

Ngày tải lên: 24/04/2014, 13:38

... harmonic basis images for each pose Rather, we can analytically synthesize many sets of basis images from just one set of basis images, say, the frontal basis images For the purpose of face recognition, ... from the training images to the given test images RECOGNITION RESULTS We first conducted recognition experiments on Vetter’s 3D face model database There are totally one hundred 3D face models in ... synthetic images from Vetter’s 3D database and (b) real images in the CMU-PIE database Columns from left to right show the training images, the synthesized images at the same pose as the test images using...

Ngày tải lên: 22/06/2014, 19:20

... arthritis with nearinfrared fluorescence Arthritis Rheum 2004, 50:961-967 20 Lai WF, Chang CH, Tang Y, Bronson R, Tung CH: Early diagnosis of osteoarthritis using cathepsin B sensitive near- infrared ... The near- infrared fluorescence probe allows the most efficient photon migration through the tissues [11] In addition, there is less soft tissue around peripheral joints, which gives the near- infrared ... receptor-targeted near- infrared fluorescence probe for in vivo tumor imaging Chem Biol Chem 2002, 3:784-786 Moon WK, Lin Y, O'Loughlin T, Tang Y, Kim DE, Weissleder R, Tung CH: Enhanced tumor detection using...

Ngày tải lên: 09/08/2014, 06:22

... General Face Recognition Problem 1.1.2 3D vs 2D Face Recognition 1.1.3 Recognizing Faces Under Varying Expressions 1.1.4 Applications of 3D Face Recognition ... better recognition results This thesis aims at designing one such algorithm 1.1 The 3D Face Recognition Problem 1.1.1 The General Face Recognition Problem Definition Formally stated, a face recognition ... video data of a human face using a stored database of faces We have to further distinguish between face recognition and verification1 In a recognition problem the input face is unknown and we...

Ngày tải lên: 15/09/2015, 22:42

Ngày tải lên: 06/09/2013, 11:10

... Results of Speech Recognition: We used 4806 recognition results including errors, from the output of speech recognition (Masataki et al., 96; Shimizu et al., 96) experiment using an ATR spoken ... Dialogue Speech Recognition using Cross-word Context Constrained Word Graphs ICASSP 96, pp 145-148, 1996 Y Wakita et al., 97 Correct parts extraction from speech recognition results using semantic ... It improves the understanding of the recognition results by7% (3) It has very little influence on correct recognition results (4) It is more applicable for a recognition result with a few errors...

Ngày tải lên: 20/02/2014, 18:20

Ngày tải lên: 21/02/2014, 21:56

... of text images Pattern Recognition, 43(5):1814– 1825 [Vidal et al.2006] E Vidal, F Casacuberta, L Rodr´guez, ı J Civera, and C Mart´nez 2006 Computer-assisted ı translation using speech recognition ... comparison between the best results in this work and the approaches in previous work The log-linear and linear weights were obtained with the simplex algorithm (Nelder and Mead, 1965) to optimise ... the alternatives to language mod- System 4gr IBM1 IBM2 IBM1-inv IBM2-inv 4gr+IBM2 (L-Linear) 4gr+IBM2 (Linear) Spanish dev test 7.8 10.0 7.9 9.6 7.1 8.6 8.4 9.5 7.9 9.1 7.0 9.1 6.7 8.9 English...

Ngày tải lên: 07/03/2014, 22:20

... Chua 2006 Paraphrase recognition via dissimilarity significance classification In Proceedings of EMNLP, pages 18–26, Sydney, Australia D Ravichandran and E Hovy 2001 Learning surface text patterns ... threshold in order to decide whether two phrases are paraphrases or not The threshold is chosen using a grid search utility and 10-fold cross validation on the training data More precisely, in ... vector whose values measure the lexical similarity between the two sentences; they appear to be using the maximum number of consecutive common words, the number of common words, edit distance...

Ngày tải lên: 08/03/2014, 01:20

... statistical technique to generate a category structure using the similarity between documents (Anderberg, 1973) Among the clustering methods, a reciprocal nearest neighbor (RNN) algorithm (Murtaugh, 1983) ... chemical engineering and chemistry are highly related 2.3 Scoring Terms Using Dictionary Hierarchy The main idea for scoring terms using the hierarchy is based on the premise that terms in the dictionaries ... We apply the premise for scoring terms using the hierarchy There are three steps to calculate the score Calculating the similarity between the domains using the formula (2.1) (Maynard and Ananiadou,...

Ngày tải lên: 08/03/2014, 05:20

... locality of phenomena, which indicates names in text Moreover, HMM seems more and more used in NE recognition because of the efficiency of the Viterbi algorithm [Viterbi67] used in decoding the ... order to effectively apply and integrate internal and external evidences, we present a NER system using a HMM The approach behind our NER system is based on the HMM-based chunk tagger in text chunking, ... other traditional HMM-based taggers, as used in BBN's IdentiFinder Ideally, it can be estimated by using the forward-backward algorithm [Rabiner89] recursively for the 1st-order [Rabiner89] or 2nd...

Ngày tải lên: 17/03/2014, 08:20