FILM GRAIN MEASUREMENT BASED ON SUBBAND ANALYSIS IN FREQUENCY DOMAIN

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United States of America

APP PUB NO 20250117909A1
SERIAL NO

18888929

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Abstract

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In some embodiments, a method receives a first image and a second image for a comparison of film grain. The first image and the second image are converted from a spatial domain to a frequency domain to generate a first frequency domain representation for the first image and a second frequency domain representation of the second image. The method compares a first distribution of frequency components from the first frequency domain representation to a second distribution of frequency components from the second frequency domain representation. A score for an assessment of differences of the film grain in the first image and the second image is generated based on the comparing.

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Patent OwnerAddress
BEIJING YOJAJA SOFTWARE TECHNOLOGY DEVELOPMENT CO LTDUNIT 503 5/F 101 1-14/F BUILDING 10 6 JIUXIANQIAO ROAD CHAOYANG DISTRICT BEIJING 100015

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huangfu, Xuchang Beijing, CN 11 14
Liu, Chen Beijing, CN 236 1493
Meng, Xuewei Beijing, CN 12 29
Xue, Yuanyi Alameda, US 26 53
Zhang, Wenhao Beijing, CN 139 867

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