Invention Grant
- Patent Title: Main-subject detection method, main-subject detection apparatus, and non-transitory computer readable storage medium
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Application No.: US15091083Application Date: 2016-04-05
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Publication No.: US10282629B2Publication Date: 2019-05-07
- Inventor: Takahisa Yamamoto , Masao Yamanaka
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JP2015-080450 20150409
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G06K9/32 ; G06K9/46 ; H04N5/232
Abstract:
A degree-of-saliency map generated from an input image is divided into a plurality of partial areas, and the degree of nonuniformity is calculated from the distribution characteristics of the degrees of saliency of the partial areas. Whether a main subject is present in the input image is judged based on the calculated degree of nonuniformity.
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