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Color-histogram-based tracking at 2000 fps

[+] Author Affiliations
Idaku Ishii

Hiroshima University, Department of System Cybernetics, Hiroshima 739-8527, Japan

Tetsuro Tatebe

Hiroshima University, Department of System Cybernetics, Hiroshima 739-8527, Japan

Qingyi Gu

Hiroshima University, Department of System Cybernetics, Hiroshima 739-8527, Japan

Takeshi Takaki

Hiroshima University, Department of System Cybernetics, Hiroshima 739-8527, Japan

J. Electron. Imaging. 21(1), 013010 (Mar 08, 2012). doi:10.1117/1.JEI.21.1.013010
History: Received March 9, 2011; Revised November 30, 2011; Accepted January 5, 2012
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Abstract.  A high-speed vision system can be applied to color-histogram-based tracking at 2000 fps by hardware-implementing an improved CamShift algorithm. In the improved CamShift algorithm, the size, position, and orientation of a color-patterned object to be tracked in an image can be simultaneously extracted using only the hardware implementation of a color-histogram circuit module for calculating moment features of binary images quantized by 16 hue-based color bins. By hardware-implementing color-histogram circuit modules on a high-speed vision platform, IDP Express, the improved CamShift algorithm enables color-histogram-based tracking at 2000 fps for 512×511 pixel images in real-time. By installing our tracking system on a two-axis mechanical active vision system, we demonstrate the effectiveness of 2000 fps color-histogram-based tracking by performing several experiments of color-patterned objects, which are always tracked in the camera views even when they move rapidly under complicated backgrounds.

© 2012 SPIE and IS&T

Citation

Idaku Ishii ; Tetsuro Tatebe ; Qingyi Gu and Takeshi Takaki
"Color-histogram-based tracking at 2000 fps", J. Electron. Imaging. 21(1), 013010 (Mar 08, 2012). ; http://dx.doi.org/10.1117/1.JEI.21.1.013010


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