Scene preset identification using quadtree decomposition analysis

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United States of America Patent

PATENT NO 10796164
APP PUB NO 20190258867A1
SERIAL NO

16283387

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Abstract

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Techniques are disclosed for matching a current background scene of an image received by a surveillance system with a gallery of scene presets that each represent a previously captured background scene. A quadtree decomposition analysis is used to improve the robustness of the matching operation when the scene lighting changes (including portions containing over-saturation/under-saturation) or a portion of the content changes. The current background scene is processed to generate a quadtree decomposition including a plurality of window portions. Each of the window portions is processed to generate a plurality of phase spectra. The phase spectra are then projected onto a corresponding plurality of scene preset image matrices of one or more scene preset. When a match between the current background scene and one of the scene presets is identified, the matched scene preset is updated. Otherwise a new scene preset is created based on the current background scene.

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Patent Owner(s)

  • INTELLECTIVE AI, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blythe, Bobby Ernest Pearland, US 25 791
Cobb, Wesley Kenneth The Woodlands, US 132 2272
Gottumukkal, Rajkiran Kumar Bellevue, US 26 490
Saitwal, Kishor Adinath Houston, US 78 1376
Xu, Gang Katy, US 360 5526
Yang, Tao Katy, US 410 4246

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