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Ȩ Ȩ > ¿¬±¸¹®Çå > Çмú´ëȸ ÇÁ·Î½Ãµù > Çѱ¹Á¤º¸Åë½ÅÇÐȸ Çмú´ëȸ > 2015³â Ãß°èÇмú´ëȸ

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ÇѱÛÁ¦¸ñ(Korean Title) Radiometric Ư¼º º¯È­¿¡ ½Å·Ú¼ºÀ» °¡Áö´Â Disparity Map ¿¹Ãø
¿µ¹®Á¦¸ñ(English Title) Estimation of Disparity Map having Reliability to Changes of Radiometric Properties
ÀúÀÚ(Author) ½Å±¤¹«   ±è¼º¹Î   Á¶¹Ì¼÷   Á¤±âµ¿   Kwang-mu Shin   Sung-min Kim   Mi-sook Cho   Ki-dong Chung  
¿ø¹®¼ö·Ïó(Citation) VOL 19 NO. 02 PP. 0093 ~ 0096 (2015. 10)
Çѱ۳»¿ë
(Korean Abstract)
Disparity Map ¿¹ÃøÀÇ ¸ñÀûÀº À¯»çÇÑ µÎ°³ ¶Ç´Â ±× ÀÌ»óÀÇ À̹ÌÁöµé¿¡¼­ ¼­·Î ´ëÀÀÇÏ´Â Çȼ¿À» ã´Â µ¥ ÀÖ´Ù. ÇÏÁö¸¸ ½ÇÁ¦ ȯ°æ¿¡¼­ Á¤È®ÇÏ°í ÀÏÁ¤ÇÑ Disparity¸¦ ȹµæÇÏ´Â °ÍÀº ¾î·Á¿î ¹®Á¦ÀÌ´Ù. Áï, ½ºÅ×·¹¿À À̹ÌÁöÀÇ Intensity Á¤º¸´Â Á¶¸í ¹æÇâ, Á¶¸í »ö»ó, Ä«¸Þ¶ó ³ëÃâ°ú °°Àº Radiometric Ư¼º¿¡ ½±°Ô ¿µÇâÀ» ¹ÞÀ» ¼ö ÀÖ´Ù. µû¶ó¼­ ±âÁ¸ÀÇ ÀϹÝÀûÀÎ Disparity Map ¿¹Ãø ¹æ¹ýÀº Radiometric Á¶°Ç¿¡¼­ ÁÁÀº °á°ú¸¦ ¾ò±â Èûµé´Ù. º» ³í¹®¿¡¼­´Â ½ÇÁ¦ ȯ°æ¿¡ ±ÙÁ¢ÇÑ Radiometric º¯È­¿¡¼­ ½Å·Ú¼ºÀ» °¡Áö´Â Disparity Map ¿¹Ãø ¹æ¹ýÀ» Á¦¾ÈÇÑ´Ù. ½ºÅ×·¹¿À À̹ÌÁö¿¡¼­ ÇϳªÀÇ À̹ÌÁö°¡ ´Ù¸¥ Radiometric Ư¼ºÀ» °¡Áö´õ¶óµµ °´Ã¼ÀÇ ÀÏÁ¤ ºí·Ï ±¸°£ ³» Çȼ¿ÀÇ Intensity°¡ ÀÏÁ¤¼º(Constancy)¸¦ °¡Áø´Ù´Â °Í¿¡ Âø¾ÈÇÑ´Ù. ½ÇÇè°á°ú, Á¦¾ÈÇÏ´Â ¹æ¹ýÀÌ Radiometric Á¶°Ç¿¡¼­ °ËÁõÀûÀÎ ´ëÁ¶±ºº¸´Ù Á¤È®ÇÑ Disparity MapÀ» º¸¿©ÁØ´Ù. °á°úÀûÀ¸·Î, º» ±â¼úÀº Radiometric Á¶°ÇÀÇ º¯È­¿¡¼­ ¾ÈÁ¤ÀûÀ¸·Î Disparity MapÀ» ¿¹ÃøÇÑ´Ù.
¿µ¹®³»¿ë
(English Abstract)
The aim of the estimation of disparity map is to find the corresponding pixels from similar two or more images. However, it is a difficult problem to get precise and consistent disparity under a variety of real world situations. In other words, the color values of stereo images are easily influenced by radiometric properties such as illumination direction, illumination color, and camera exposure. Therefore, conventional stereo matching methods can have low performances under radiometric conditions. In this paper, we propose an approaching of disparity map estimation that is reliable in controlling various radiometric variations close to the real environment. This method is motivated by following constancy. Even though each other has different radiometric property in stereo images, intensity of pixels of object have general constancy in specific block. Experimental results show that the proposed method has better performances compared to the comparison group under different radiometric conditions between stereo images. Consequentially, the proposed method is able to estimate the disparity map in stable under various radiometric variations.
Å°¿öµå(Keyword) Radiometric Change   Reliability   Disparity Map   Stereo Vision  
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