发明名称 APPARATUS AND METHOD FOR DETECTION MURA IN DISPLAY DEVICE
摘要 Disclosed is a device to detect mura of a display device, which is capable of detecting mura considering a morphological characteristic of the mura. The device to detect mura of a display device according to an embodiment of the present invention comprises: an image acquisition unit to photograph an image displayed through a panel to acquire a panel image; a panel image preprocessing unit to preprocess the panel image acquired by the image acquisition unit; a mura candidate area detection unit to detect a mura candidate area from the panel image preprocessed by the panel image preprocessing unit; and a mura detection unit to calculate a circular drawing and a ratio of diagonal entries of the mura candidate area detected by the mura candidate area detection unit to detect, as a mura, the mura candidate area having the calculated circular drawing and ratio of the diagonal entries which are greater than the predetermined thresholds.
申请公布号 KR20140062993(A) 申请公布日期 2014.05.27
申请号 KR20120129376 申请日期 2012.11.15
申请人 LG DISPLAY CO., LTD. 发明人 SONG, JI HEE
分类号 G06T7/60;G01N21/88 主分类号 G06T7/60
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