perceptual aspects of face recognition
handbook of face recognition - springer 2005
Ngày tải lên :
28/04/2014, 09:54
... identity of the query face Another face recognition scenario involves a watch-list check, where a query face is matched to a list of suspects (one-to-few matches) The performance of face recognition ... FERET and FRVT (face recognition vendor tests) Analysis of these tests identifies advances offered by state-ofthe-art technologies for face recognition, as well as the limitations of these technologies ... Handbook of Face Recognition Stan Z Li Anil K Jain Editors Handbook of Face Recognition With 210 Illustrations Stan Z Li Center for Biometrics Research and Testing & National Lab of Pattern Recognition...
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li, jain - handbook of face recognition
Ngày tải lên :
05/06/2014, 11:49
... automated face recognition can surpass human recognition performance, especially when the database (gallery) contains a large number of faces.1 However, automatic face recognition still faces many ... describe state -of- the-art performance This chapter provides an introduction to face recognition research Main steps of face recognition processing are described Face detection and recognition problems ... Depiction of face recognition processing flow Face detection segments the face area from the background In the case of video, the detected faces may need to be tracked across multiple frames using a face...
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Tài liệu Báo cáo khoa học: Novel aspects of heat shock factors: DNA recognition, chromatin modulation and gene expression ppt
Ngày tải lên :
18/02/2014, 04:20
... nature of the repeats, positions all of the GAA units on the same side of the double helix, with the central GAA oriented in the opposite direction In vitro, Drosophila HSF is capable of binding ... interface consists of the helix amino-terminus, the turn and the wing [15] Unlike other winged helix-turn-helix proteins, the wing of the HSF does not appear to contact the DNA The wing of the ... kinase of TFIIH) [32], the Taf9 subunit of TFIID and Spt-Ada-Gcn5 acetyltransferase (SAGA) [33,34], and the Med17 and Med22 subunits of Mediator [32] Although the archetypical HSE is a sequence of...
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Tài liệu Báo cáo khoa học: Structure of RNase Sa2 complexes with mononucleotides – new aspects of catalytic reaction and substrate recognition pptx
Ngày tải lên :
18/02/2014, 11:20
... positional constraint of 4.5 A between the geometrical center of the main chain nitrogen of Arg42 and O6 of the leading guanine Accuracy of the docking was assessed on the basis of scoring values ... hydrophobic core of the protein Mononucleotides binding into the active site of RNase Sa2 not affect the overall fold of the protein Superposition of 88 corresponding CA atoms of all 16 molecules ... importance of this residue has been shown by kinetic measurements of the R59A mutation in barnase (Arg59 of barnase is structurally equivalent to Arg42 of RNase Sa2), which abolished 85% of the wild-type...
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Báo cáo khoa học: Novel aspects of calmodulin target recognition and activation pptx
Ngày tải lên :
17/03/2014, 09:20
... rearrangement of the helices leads to the exposure of several hydrophobic residues to the solvent, which form a large hydrophobic, concave patch or channel on the surface of each lobe (Fig 2) Structure of ... conformation of the CaM/C20W complex and a collapsed structure of the CaM/C24W complex [67] The binding of the C20W peptide of the Ca2+-pump CaM-binding domain to only the C-terminal lobe of CaM demonstrates ... C-terminal lobe of CaM This suggests that the position of basic residues at either the C- or N-terminal end of the binding domain peptides and charge complementarity of binding surfaces determine...
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state of the art in face recognition
Ngày tải lên :
28/04/2014, 09:59
... State of the Art in Face Recognition, Dr Mario I Chacon M Preface Notwithstanding the tremendous effort to solve the face recognition problem, it is not possible yet to design a face recognition ... in face recognition In 1996, Fisher linear discriminant analysis was applied to face recognition, and subsequently was developed into one of the most famous face recognition approaches, Fisherfaces ... for Face Recognition 109 Eriko Watanabe and Kashiko Kodate 3D Face Mesh Modeling for 3D Face Recognition 131 Ansari A-Nasser, Mahoor Mohammad and Abdel-Mottaleb Mohamed Occlusions in Face Recognition: ...
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Báo cáo sinh học: " Research Article A Multifactor Extension of Linear Discriminant Analysis for Face Recognition under Varying Pose and Illumination" pdf
Ngày tải lên :
21/06/2014, 16:20
... calculated as the average of parts of the Gram matrix G Each entry of these three Gram-like matrices is the average of same-color entries of G (a) Gsubj consists of averages of dot products which ... method for dimension reduction of face images with varying factors To test the quality of dimension reduction, we conducted face recognition tests In all experiments, face images are aligned using ... illustrate this, we consider viewpointand lighting-invariant subsets of a given face image set; each subset consists of the face images of ns subjects captured under fixed viewpoint and lighting: X:,v,l...
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Báo cáo hóa học: " Research Article Comparison of Spectral-Only and Spectral/Spatial Face Recognition for Personal Identity Verification" pdf
Ngày tải lên :
21/06/2014, 20:20
... originalorder method for larger values of N Face Recognition Using Spectral Eigenfaces We showed in Section that multiband eigenface methods can improve face recognition rates In these algorithms, ... Strintzis, “Use of depth and colour eigenfaces for face recognition, ” Pattern Recognition Letters, vol 24, no 9-10, pp 1427–1435, 2003 [24] Z Pan, G Healey, M Prasad, and B Tromberg, Face recognition ... measure the similarity of the two images Let uw,i be the projection of the wth band of U onto the ith eigenface and let σw,i be the standard deviation of the projections from all of the wth band images...
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Báo cáo hóa học: "Research Article Kernel Learning of Histogram of Local Gabor Phase Patterns for Face Recognition" pptx
Ngày tải lên :
21/06/2014, 22:20
... number of subregions for histogram extraction In the traditional statistic-based face recognition method, a training procedure is often necessary to extract the face representation The advantage of ... Rosenfeld, Face recognition: a literature survey,” ACM Computing Surveys, vol 35, no 4, pp 399–458, 2003 M Turk and A Pentland, Face recognition using eigenfaces,” in Proceedings of IEEE Computer ... performances of the HLGPPs face representation based on three kinds of QBC schemes on all the probe sets of the standard FERET database, and 64 subregions for the 64 × 64 normalized face images...
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Báo cáo hóa học: " Research Article Comparing Robustness of Pairwise and Multiclass Neural-Network Systems for Face Recognition" pot
Ngày tải lên :
22/06/2014, 19:20
... performances of both recognition systems trained on the datasets containing different number of samples per subject The numbers of these samples are given 12, 4.5 Impact of the number of classes in case of ... make the most important contribution to face recognition, can be used to visualise the scatter of patterns of different classes (faces) Particularly, the use of such visualisation allows us to observe ... in face image data can seriously corrupt class boundaries, making recognition tasks difficult Hence, we can add noise of variable intensity to face data in order to examine the robustness of face- recognition...
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Báo cáo hóa học: " Research Article Fusion of Appearance Image and Passive Stereo Depth Map for Face Recognition Based on the Bilateral 2DLDA" ppt
Ngày tải lên :
22/06/2014, 19:20
... Strintzis, “Use of depth and colour eigenfaces for face recognition, ” Pattern Recognition Letters, vol 24, no 9-10, pp 1427–1435, 2003 J.-G Wang, H Kong, and R Venkateswarlu, “Improving face recognition ... which deals with access control by the use of multimodal identification of human faces The goal of using a multimodal recognition scheme is to improve the recognition efficiency by combining single ... 3D coordinates and texture of a face in the XM2VTS database is displayed in Figure There are about 4000 points in the 3D face model to represent the face The face surface is triangulated with...
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Báo cáo hóa học: " Optimization of Color Conversion for Face Recognition" pot
Ngày tải lên :
23/06/2014, 01:20
... EFFECT OF OPTIMIZED COLOR CONVERSION ON FACE RECOGNITION ACCURACY To evaluate the effect of our color conversion method on face recognition accuracy, we considered the effect on performance of the ... distance measurements of Gabor jets of the face area also showed an increase in discriminability of 4% to 6% Evaluation of the cumulative eigenvalues produced by an eigenface analysis of intensity images ... Optimization of Color Conversion for Face Recognition [18] M Turk and A Pentland, “Eigenfaces for recognition, ” Journal of Cognitive Neuroscience, vol 3, no 1, pp 71–86, 1991 [19] P Grother, “Software...
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Some aspects of American culture and society in the twentieth and twenty-first centuries through a number of selected short literary works
Ngày tải lên :
07/11/2012, 15:01
... to the understanding of the underlying ideas of the author as well as the cultural features and social aspects of the time Like other types of story, a short story consists of five elements: - ... show that a literary work is the fruit of the ponderation of the writer for the understanding of different aspects of life For Ms Bynum, it was the ponderation of a teacher herself finding a way ... conscious of their cultural identity and practice the target culture more selectively I.3 Scope of the research Within the limitation of a minor thesis, I only discuss some of the most prominent aspects...
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Aspects of Building Design Management
Ngày tải lên :
15/11/2012, 10:27
... outsourcing of documentation responsibilities to other firms often located offshore in areas of the world with lower labour costs has come to the forefront of the restructuring debate of the architectural ... quality The assignment of foreign offices can adversely affect communication and team building due to different languages, remoteness, impersonal relationships, lack of face- to -face contacts, inadequate ... interviewees, these problems emerged mainly as a result of: the unusual complexity of the project; deficient selection of local design offices; lack of precepts, tools and techniques for the design...
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Quantitative aspects of ruminant digestion and metabolism - Phần 1
Ngày tải lên :
24/10/2013, 17:15
... of 90 to 120 The velocity of propagation of MMC in the jejunum of normally fed sheep is 18 cm/min, which is similar to the value of 20 cm/min for the velocity of digesta flow in the jejunum of ... system of ruminants, leading to studies on the peculiarities of metabolism that cope with the unusual products of microbial digestion The reading list at the end of this chapter gives some of the ... metabolism of ruminants has adapted to the consequences of the production of VFA in the rumen in a number of ways (see Chapters 11 and 12) Acetate is absorbed into the ruminal venous drainage, some of...
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Quantitative aspects of ruminant digestion and metabolism - Phần 2
Ngày tải lên :
24/10/2013, 17:15
... Proceedings of the Nutrition Society of Australia 14, 153 Faichney, G.J (1990) Effect of level of intake and grinding of lucerne hay on the efficiency of rumination in sheep Proceedings of the Nutrition ... is the number of units of particle phase (PP) that must be added to (or removed from) one unit of DG to obtain TD and RÃ is the number of units of FP that must be added to one unit of PP to obtain ... as much as 80–90% of the variation in digesta flow (Faichney, 1975b; MacRae, 1975) Measurement of Rate of Passage Measurement of the MRT of a digesta component in a segment of the GI tract requires...
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Quantitative aspects of ruminant digestion and metabolism - Phần 3
Ngày tải lên :
29/10/2013, 00:15
... (2000) Estimating the extent of degradation of ruminant feeds from a description of their gas production profiles observed in vitro: comparison of models British Journal of Nutrition 83, 131–142 ... minimize the impact of such loss on the estimate of the extent of degradation As expected, large pore sizes lead to greater loss of particles and undegraded material Aperture size of the bag affects ... factor in estimating the extent of degradation (Dhanoa et al., 1999), providing estimates of the degradation rate of the soluble fraction are available Recovery of matter of non-feed origin in the...
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