face recognition under illumination and pose variations

... curve connects face images under various lighting conditions for one person and one viewpoint The blue V-shape curve connects face images under various viewpoints for one person and one lighting ... applied Face images lie on a manifold, and viewpoint- and lighting-invariant subsets construct red and blue curves, respectively Each red curve connects face images only due to varying illumination ... which the proposed method is derived Section first addresses the advantages and disadvantages of multifactor analysis and discriminant analysis individually, and then Section proposes MDA with...

Ngày tải lên: 21/06/2014, 16:20

... 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 ... This paper proposes to make use of both local features and global features for face recognition Many face recognition algorithms have been developed and we have selected four current and popular ... spectroface and the second-order spectroface The first-order spectroface extracts features, which are translation invariant and insensitive to the facial expressions, small occlusion, and minor pose...

Ngày tải lên: 23/06/2014, 01:20

... 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 attempt ... 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 ... 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...

Ngày tải lên: 15/09/2015, 22:42

... Type GPD involving or color bands; Scd stands for 1-band ini variants, and Dcd for 2-bands invariants of order c, and degree d, respectively Mpq ij i00 0i0 00i stands for either Mpq , Mpq or ... Type GPSO involving or color bands; Scd stands for 1-band ini variants, and Dcd for 2-bands invariants of order c, and degree d, respectively Mpq ij i00 0i0 00i stands for either Mpq , Mpq or ... Type PSO involving or color bands; Scd stands for 1-band invarii ants, and Dcd for 2-bands invariants of order c, and degree d, respectively Mpq ij i00 0i0 00i stands for either Mpq , Mpq or...

Ngày tải lên: 28/04/2014, 10:44

... two factors To handle the combined pose and illumination variations, researchers have proposed several methods The synthesis method in [17] can handle both illumination and pose variations by reconstructing ... reconstructing the face surface using the illumination cone method under a fixed pose and rotating it to the desired pose The proposed method essentially builds illumination cones at each pose for each ... we propose an efficient face synthesis and recognition method that needs only one single training image per subject for novel view synthesis and robust recognition of faces under variable illuminations...

Ngày tải lên: 22/06/2014, 19:20

... a face image be denoted by I, and the face edge contour is extracted from a prototype face image by standard edge detection and stored in a set Γ When the face images and the corresponding face ... major problem in face recognition, we only focus on face image matching under different illumination conditions in this paper We assume there is no face- pose variation between the face images in ... proposed face matching algorithm with one reference face image on this Yale Face Database is 93.33% Table shows the recognition rates of the proposed method and some other methods through face...

Ngày tải lên: 23/06/2014, 01:20

Ngày tải lên: 21/02/2014, 21:56

... for recognition under variable pose and illumination In Proc of the 4th IEEE International Conference on Automatic Face and Gesture Recognition, 2000 [Kanade et al., 1998] T Kanade, H Saito, and ... data, etc.) 3.2 Pose and Illumination Variation Examples of the pose and illumination variation are shown in Figures and Figure contains the variation with the room lights on and Figure with ... robustness of face recognition algorithms to expression (and pose. ) A special reason for including blinking was because many face recognition algorithms use the eye pupils to align a face model...

Ngày tải lên: 07/03/2014, 14:20

... outperforms single-band eigenface methods and has performance that is comparable to multiband eigenface methods but at a lower computational cost Face Recognition in Single-Band Images A hyperspectral ... generate the eigenfaces Figure shows one single-band image before and after the normalization, and the first 10 eigenfaces for the dataset The number of eigenfaces used for face recognition was ... the recognition rates for different multiband eigenface methods First we selected the bands in order of increasing center wavelength and performed eigenface recognition tests for the first one band,...

Ngày tải lên: 21/06/2014, 20:20

... B, and Faces94 were 64 × 64, 32 × 32, and 45 × 50 pixels, respectively For these face image sets, the number of classes and number of samples per subject were 40 and 10, 38 and 60, and 150 and ... Georghiades, P N Belhumeur, and D J Kriegman, “From few to many: illumination cone models for face recognition under variable lighting and pose, ” IEEE Transactions on Pattern Analysis and Machine Intelligence, ... 10.2% and 14.1%, respectively CONCLUSION In order to reduce the negative effect of noise, corruptions, and variations in face images, we have proposed a pairwise neural-network system for face recognition...

Ngày tải lên: 22/06/2014, 19:20

... and missing view interpolation in the registration step REFERENCES [1] A Samal and P A Iyengar, “Automatic recognition and analysis of human faces and facial expressions: a survey,” Pattern Recognition, ... Gong, and H Liddell, “Support vector regression and classification based multi-view facedetection and recognition, ” in Proceedings of the 4th IEEE International Conference on Automatic Face and ... Fourier space and luminance space In the Fourier space, features are extracted from the whole face, and luminance space extracts features from both the whole face and five subregions on the face as...

Ngày tải lên: 22/06/2014, 19:20

... July 2005 K W Bowyer, K Chang, and P Flynn, “A survey of approaches and challenges in 3D and multi-modal 3D + 2D face recognition, ” Computer Vision and Image Understanding, vol 101, no 1, pp 1–15, ... fusion of appearance image and passive stereo depth is proposed to improve face recognition rates REFERENCES [1] W Zhao, R Chellappa, P J Phillips, and A Rosenfeld, Face recognition: a literature ... Pattern Analysis and Machine Intelligence, vol 27, no 4, pp 619–624, 2005 F Tsalakanidou, D Tzovaras, and M G Strintzis, “Use of depth and colour eigenfaces for face recognition, ” Pattern Recognition...

Ngày tải lên: 22/06/2014, 19:20

... speed and accuracy of recognition and overall practicality and ease-of-use Our hope is that this article will make it easier for new researchers to understand and adopt HMM for face analysis and recognition ... Face Recognition and Face Verification and Face vs SVM GMM vs SVM for Face Recognition 33 The problem is to identify data groups in a multidimensional space It involves a set x1 , x N of a random ... for Face Recognition and Face Verification and Face vs SVM GMM vs SVM for Face Recognition 35 Fig Gaussian Mixture Model, GMM algorithm is used by HMM algorithm to estimate its parameters and...

Ngày tải lên: 28/06/2014, 14:20

... by variations in pose and illumination The aim of this thesis is to develop a more advanced approach that can handle the challenges in pose and illumination in face recognition The thesis proposes ... 2, the thesis review the literature on face detection and face recognition It focuses on two main problems in face recognition, pose and illumination, and covers the developments from the early ... 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

... population OAB is under- diagnosed and under- treated This patient population may benefit from routine screening Furthermore, our study shows that OAB is associated with age and a history of hepatitis ... Xu B and Song J Prevalence and risk factors of overactive bladder syndrome in Fuzhou Chinese women Neurourol Urodyn 2006; 25:717 Teleman PM, Lidfeldt J, Nerbrand C, Samsioe G, Mattiasson A and ... urinary symptoms (OAB, LUTS and/ or BPH) Furthermore, those with OAB had a worse quality of life score Mean quality of life score for those with OAB was 3.4 of 6, and those without OAB 1.6 Thus,...

Ngày tải lên: 25/10/2012, 11:35

... Interfaces 3.8” OPERATOR INTERFACE 10 5.7” OPERATOR INTERFACE AND LOGIC CONTROLLERS 10 7.5” OPERATOR INTERFACE AND LOGIC CONTROLLERS 11 10.4” OPERATOR INTERFACE AND ... 10.4” OPERATOR INTERFACE AND LOGIC CONTROLLERS 20 12.1” OPERATOR INTERFACE AND LOGIC CONTROLLERS 20 Handheld Operator Interface, Cables and Accessories GP2000H HANDHELD GRAPHIC TOUCH ... GP270 OPERATOR INTERFACE 19 5.7” OPERATOR INTERFACE AND LOGIC CONTROLLERS 19 7.4” OPERATOR INTERFACE AND LOGIC CONTROLLERS 19 9.1” GP477R OPERATOR INTERFACE ...

Ngày tải lên: 23/01/2014, 06:20

... model-based 3D face tracking, and 3D face synthesis such as text- and speech-driven face animation 2.3 Geometric-based facial motion modeling, analysis and synthesis Accurate face motion analysis and realistic ... we use the face models generated by “iFACE” for MUbased face animation “iFACE” is a face modeling and animation system developed in [Hong et al., 2001a] The generic face model in iFACE is shown ... methods and systems for modeling the geometry of static 3D face surfaces Such static models lay basis for both 3D face analysis and synthesis To study the motion of human faces, we propose motion...

Ngày tải lên: 13/02/2014, 16:20

... Sakurai and Y Enoki SWI ⁄ SNF complexes are recruited to both the promoter and coding regions, and histones are acetylated and displaced [56–58] However, the presence of SAGA and SWI ⁄ SNF, and a ... acetylase and deacetylase modulate chromatin structure and fine-tune transcription [58] The histone chaperones Asf1, Spt6 and Spt16 are involved in histone eviction and redeposition, and inactivation ... status and ⁄ or the affinity of each DBD for nGAAn changes under stress conditions is not known The activation domains at the amino- and carboxy-termini are required for the transient and sustained...

Ngày tải lên: 18/02/2014, 04:20

... rural areas and smaller cities and towns are not bad, and could be evaluated as Level of Service (LOS) B and C, which means basically unrestricted and fluent traffic flow In towns and in the ... Romania and Bulgaria; • To assess the contribution of Structural and Cohesion funds relative to the current and previous programming periods and draw lessons of relevance for the purpose of the ... and Rezekne railway junctions; • Development of information systems and data transmission network; • Modernisation of rail track and shunt repairing and rail welding equipment; • Optimising and...

Ngày tải lên: 07/03/2014, 08:20

... falciparum) and chrPy1 °c275 (P yoelii), A thaliana DRT111 and F26G16.10 proteins (gi 1169200 and 15220757), D melanogaster CG17540 protein (gi 7289585), C elegans F58B3.7 protein (gi 7504595) and H ... mechanisms involved in DNA repair and RNA metabolism in the protozoan parasites such as T gondii and the Plasmodia Further analyses should contribute to our understanding of the biochemistry of DNA ... darkness and the plates were then incubated overnight at 30 °C Database searches and sequence analysis Searches within nonredundant databases were performed using PSI-BLAST [18] at NCBI The Smart and...

Ngày tải lên: 08/03/2014, 22:20