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Registered APPARATUS AND METHOD FOR CORRECTING COLOR OF IMAGE PROJECTION DEVICE

영상 투영 장치에 대한 컬러보정 장치 및 방법
이미지 확대
Inventors
Cho Yong Ju, Lee Yong Ju, Ki Myung Seok, Seong Yong Lim, Seok Joo Myoung, Jin Woong Kim, Cha Jihun, Beack Seung Kwon, Muhammad Murtaza, Rehan Hafiz, Arshad Ali, Haris Anis, Mutahir Latif, Ashar Rasul
Application No.
13658039 (2012.10.23)
Publication No.
20130194292 (2013.08.01)
Registration No.
9030485 (2015.05.12)
Country
UNITED STATES
Project Code
11ZI1100, Research on Ubiquitous Infra, Kim Dae Sik
Abstract
An apparatus and a method for correcting colors of an image projection device are provided. The method includes: acquiring a photographed image by photographing a sample image projected on projection surface; generating input-output color information for n regions, based on color values of a block in the sample image and corresponding color values of the block in the photographed image; selecting one of the n regions of photographed images as a reference region; generating look-up tables (LUTs) for non-reference regions, based on the reference region and the input and output color information; and correcting colors of input images to be projected by the image projection device using the look-up tables, thereby minimizing color difference of the input images on the projection surface for both intra and inter projection device color correction while simplifying the correction procedure.