Human Recognition at a Distance in Video by Bir Bhanu PDF

By Bir Bhanu

ISBN-10: 0857291238

ISBN-13: 9780857291233

Most biometric platforms hired for human reputation require actual touch with, or shut proximity to, a cooperative topic. way more not easy is the power to reliably realize contributors at a distance, while seen from an arbitrary attitude less than real-world environmental stipulations. Gait and face info are the 2 biometrics that may be most simply captured from a distance utilizing a video camera.

This complete and logically equipped text/reference addresses the elemental difficulties linked to gait and face-based human attractiveness, from colour and infrared video info which are obtained from a distance. It examines either model-free and model-based ways to gait-based human reputation, together with newly constructed ideas the place either the version and the knowledge (obtained from a number of cameras) are in 3D. furthermore, the paintings considers new video-based recommendations for face profile reputation, and for the super-resolution of facial imagery got at various angles. ultimately, the booklet investigates built-in platforms that observe and fuse either gait and face biometrics from video facts.

Topics and features:

  • Discusses a framework for human gait research according to Gait strength photograph, a spatio-temporal gait representation
  • Evaluates the discriminating strength of model-based gait positive aspects utilizing Bayesian statistical analysis
  • Examines equipment for human popularity utilizing 3D gait biometrics, and for moving-human detection utilizing either colour and thermal photo sequences
  • Describes methods for the mixing of face profile and gait biometrics, and for super-resolution of frontal and side-view face images
  • Introduces an target non-reference caliber overview set of rules for super-resolved images
  • Presents functionality comparisons among various biometrics and diversified fusion tools for integrating gait and super-resolved face from video

This specified and authoritative textual content is a useful source for researchers and graduate scholars of machine imaginative and prescient, development acceptance and biometrics. The e-book may also be of significant curiosity to expert engineers of biometric systems.

Dr. Bir Bhanu is extraordinary Professor of electric Engineering, and Director of the guts for study in clever platforms, on the college of California, Riverside, USA.

Dr. Ju Han is a consultant on the strength Biosciences Institute, a joint appointment with the Lawrence Berkeley nationwide Laboratory and the collage of California, Berkeley, united states.

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Download e-book for kindle: Human Recognition at a Distance in Video by Bir Bhanu

So much biometric platforms hired for human attractiveness require actual touch with, or shut proximity to, a cooperative topic. way more not easy is the power to reliably realize participants at a distance, while considered from an arbitrary attitude less than real-world environmental stipulations. Gait and face facts are the 2 biometrics that may be most simply captured from a distance utilizing a video digicam.

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Additional info for Human Recognition at a Distance in Video

Example text

The change of an environmental context may introduce a large appearance change in the detected human silhouette, which may lead to a failure in recognition. The large gait variation of the same individual 34 3 Model-Free Gait-Based Human Recognition in Video Fig. 6 Context-based classifier combination under different contexts requires more gallery examples of all individuals from all possible different environmental contexts. However, this requirement is unreal due to the complexity of real-world situations.

C. 2) j =1 We assign P ∈ ωk if c D(Rˆ P , Rk ) = min D(Rˆ P , Ri ). 3) For the classifier based on synthetic gait templates, we define nS D(SˆP , Si ) = min sˆj − msi , j =1 i = 1, . . , c. 4) We assign P ∈ ωk if c D(SˆP , Sk ) = min D(SˆP , Si ). 6) c j =1,j =i D(Si , Sj ) c i=1 for i = 1, . . , c, where 2 ci=1 cj =1,j =i D(Ri , Rj )/c(c − 1) is the average distance between real feature vectors of every two classes in the database which is used to normalize D(Rˆ P , Ri ), and 2 ci=1 cj =1,j =i D(Si , Sj )/c(c − 1) has the similar meaning for the synthetic features.

159] also proposed HMMs for individual. BenAbdelkader et al. [11] use height, stride and cadence as features for human identification. Kale et al. [82, 85] choose the width vector from the extracted silhouette as the representation of gait. Continuous HMMs are trained for each person and then used for gait recognition. In their later work [83], different gait features 16 2 Gait Representations in Video are further derived from the width vector and recognition is performed by a direct matching algorithm.

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