Technique for real-time frontal face image acquisition using stereo system

Vladimir A. Knyaz; Yuri V. Vizilter; Yuri I. Kudryashov

doi:10.1117/12.2021006

23 May 2013 Technique for real-time frontal face image acquisition using stereo system

Vladimir A. Knyaz, Yuri V. Vizilter, Yuri I. Kudryashov

Proceedings Volume 8791, Videometrics, Range Imaging, and Applications XII; and Automated Visual Inspection; 87910U (2013) https://doi.org/10.1117/12.2021006
Event: SPIE Optical Metrology 2013, 2013, Munich, Germany

Abstract

Most part of existing systems for face recognition is usually based on two-dimensional images. And the quality of recognition is rather high for frontal images of face. But for other kind of images the quality decreases significantly. It is necessary to compensate for the effect of a change in the posture of a person (the camera angle) for correct operation of such systems. There are methods of transformation of 2D image of the person to the canonical orientation. The efficiency of these methods depends on the accuracy of determination of specific anthropometric points. Problems can arise for cases of partly occlusion of the person`s face. Another approach is to have a set of person images for different view angles for the further processing. But a need for storing and processing a large number of two-dimensional images makes this method considerably time-consuming. The proposed technique uses stereo system for fast generation of person face 3D model and obtaining face image in given orientation using this 3D model. Real-time performance is provided by implementing and graph cut methods for face surface 3D reconstruction and applying CUDA software library for parallel calculation.

Citation Download Citation

Vladimir A. Knyaz, Yuri V. Vizilter, and Yuri I. Kudryashov "Technique for real-time frontal face image acquisition using stereo system", Proc. SPIE 8791, Videometrics, Range Imaging, and Applications XII; and Automated Visual Inspection, 87910U (23 May 2013); https://doi.org/10.1117/12.2021006

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KEYWORDS

3D modeling

Cameras

Reconstruction algorithms

3D image processing

Computer programming

Imaging systems

Facial recognition systems

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