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Patent Searching and Data


Title:
CONTROL DEVICE, PHOTOGRAPHING DEVICE, MOBILE BODY, CONTROL METHOD AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/216057
Kind Code:
A1
Abstract:
As the distance to a determined subject changes, it sometimes results in the inability to stably perform photographing control. The control device can include a circuit configured to apply a first contrast evaluation filter for an area comprising the subject in a first image, i.e., a first area, so as to export a first contrast evaluation value that is used for evaluating a contrast value of the first area; perform focusing control on a photographing device according to the first contrast evaluation value; determine a second contrast evaluation filter according to a first distance between the photographing device and the subject when the first image is photographed by the photographing device, and a second distance between the photographing device and the subject when a second image is photographed by the photographing device; apply a contrast evaluation filter for an area comprising the subject in the second image, i.e., a second area, so as to export a second contrast evaluation value that is used for evaluating a contrast value of the second area; and perform focusing control on the photographing device according to the second contrast evaluation value.

Inventors:
HONJO KENICHI (CN)
TAKAMIYA MAKOTO (CN)
TAKANE YASUO (CN)
Application Number:
CN2020/083544
Publication Date:
October 29, 2020
Filing Date:
April 07, 2020
Export Citation:
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Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
G03B13/36; B64C39/02; H04N5/232
Foreign References:
CN108702456A2018-10-23
CN108780261A2018-11-09
CN106657794A2017-05-10
CN107409205A2017-11-28
JPS6365859B21988-12-19
US20080165273A12008-07-10
JP2000338387A2000-12-08
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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