The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 22, 2018
Filed:
Aug. 24, 2016
Casio Computer Co., Ltd., Shibuya-ku, Tokyo, JP;
Takeshi Tsukagoshi, Ome, JP;
CASIO COMPUTER CO., LTD., Tokyo, JP;
Abstract
An imaging apparatus equipped with a flicker detection function and including an image sensor of a rolling shutter type calculates a Fourier spectrum including an amplitude and a phase for each of two captured images acquired by the image sensor and having different imaging timings by performing Fourier spectrum analysis based on a flicker period serving as a detection target, and judges that flicker with the flicker period serving as the detection target has occurred, when the amplitude of a calculated Fourier spectrum and the phases of the two Fourier spectrums satisfy predetermined conditions and a sum of squares of a pixel value difference between the two captured images for each pixel is larger than a predetermined sum of squares.