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Title:
INTERPHONE SYSTEM, INTERPHONE MAIN DEVICE, INTERPHONE SUB-DEVICE, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2018/074520
Kind Code:
A1
Abstract:
The purpose of the present invention is to reduce image distortion and also reduce visual discomfort. An interphone system (10) according to the present invention is provided with an image correction unit (23) which corrects distortion of an image captured by an image-capturing unit (21) of an interphone sub-device (2). The image correction unit (23), when correcting distortion, divides a region of an image, in which distortion is to be corrected, into a plurality of regions, and performs a different distortion correction for each of the plurality of regions.

Inventors:
ISHIDA, Satsuki
YAMANAKA, Mutsuhiro
TAKENOUCHI, Toshiharu
Application Number:
JP2017/037718
Publication Date:
April 26, 2018
Filing Date:
October 18, 2017
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
H04M9/00; H04N5/232; H04N7/18
Foreign References:
JPH05176216A1993-07-13
JP2009111892A2009-05-21
JP2013179457A2013-09-09
JP2014135569A2014-07-24
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (Umeda Square Bldg, 9F. 1-12-17, Umeda, Kita-ku, Osaka-sh, Osaka 01, 〒5300001, JP)
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