Title:
Imaging equipment, integrated circuits and flicker reduction methods
Document Type and Number:
Japanese Patent JP6291417
Kind Code:
B2
Abstract:
This image capture device (100) includes: an image sensor (102); an integrated value calculating section (210) which calculates, on a frame-by-frame basis, a value of a line integral of luminance values with respect to each of a plurality of horizontal lines included in a frame; a memory (220); an average calculating section (230) which calculates a line average value by working out the average of the values of the line integral on the same horizontal line between the newest frame and a number of other frames gotten earlier than the newest one in the memory (220); a waveform data generating section (240) which generates waveform data by normalizing the value of the line integral in the memory (220) based on the value of the line integral and a line average value; and a flicker extracting section (250) which extracts information about the phase and frequency of the flicker based on the waveform data.
Inventors:
Yoshiteru Tanaka
Ikuo Fuchigami
Takeshi Nakamura
Ikuo Fuchigami
Takeshi Nakamura
Application Number:
JP2014550582A
Publication Date:
March 14, 2018
Filing Date:
March 20, 2014
Export Citation:
Assignee:
Panasonic Intellectual Property Corporation of America
International Classes:
H04N5/235
Domestic Patent References:
| JP2004222228A | ||||
| JP2006352242A | ||||
| JP2009017363A |
Attorney, Agent or Firm:
Seiji Okuda
Osamu Kita
Michi Kajitani
Akiko Miyake
Hidetaka Okabe
Tohru Kawakita
Yu Tanaka
Osamu Kita
Michi Kajitani
Akiko Miyake
Hidetaka Okabe
Tohru Kawakita
Yu Tanaka