ÇѱÛÁ¦¸ñ(Korean Title) |
DOG¸¦ °¡Áö´Â »ö»ó ÀÎÁöµµ¿Í Random Forest ±â¹ÝÀÇ À̹ÌÁö Ç°Áú Æò°¡ ±â¹ý |
¿µ¹®Á¦¸ñ(English Title) |
PMGC: Image Quality Assessment Using Phase, Magnitude, Gradient, Color Perceptuality with DOG Model and Random Forest |
ÀúÀÚ(Author) |
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Seung-Ryeol Ohk
Simon Suh
Young-Jin Kim
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¿ø¹®¼ö·Ïó(Citation) |
VOL 46 NO. 02 PP. 1026 ~ 1028 (2019. 12) |
Çѱ۳»¿ë (Korean Abstract) |
À̹ÌÁö¿Í ¿µ»óÀ» ÀÌ¿ëÇÑ ÀÀ¿ëÇÁ·Î±×·¥ÀÌ ¸¹¾ÆÁö¸é¼, ½Ã°¢ Ç°Áú¿¡ »ç¶÷µéÀº Å« °ü½ÉÀ» µÎ°Ô µÇ¾ú´Ù. ±×·¡¼ ¸¹Àº image quality assessment(IQA)´Â human visual system(HVS)À» ¸¸Á·Çϵµ·Ï ¹ßÀüÇÏ¿´´Ù. ÇÏÁö¸¸ HVS¸¦ °í·ÁÇÑ ÃÖ±Ù IQAµéÀÌ ¿©ÀüÈ÷ ÀÏ°üµÇ°Ô HVS¸¦ ¸¸Á·Çϱ⸦ ¾î·Á¿öÇÏ°í ÀÖ´Ù. º» ³í¹®¿¡¼´Â HVS¸¦ ±â¹ÝÀ¸·Î À̹ÌÁöÀÇ °ø°£ ±¸Á¶ÀûÀÎ ¿ä¼Ò»Ó¸¸ ¾Æ´Ï¶ó »ö»ó ¿ä¼Ò±îÁö °í·ÁÇÑ »õ·Î¿î IQAÀÎ phase, magnitude, gradient, and color ±â¹ÝÀÇ À̹ÌÁö Ç°Áú Æò°¡ ¹æ¹ýÀÎ PMGC¸¦ Á¦¾ÈÇÑ´Ù. °ø°£ ÁÖÆļö ¿µ¿ª¿¡¼ phase¿Í magnitude¸¦ factor·Î »ç¿ëÇÏ°í, ȸ»ö À̹ÌÁö¿¡¼ gradient ¹æÇâ°ú Å©±â¸¦ factor·Î »ç¿ëÇß´Ù. ±×¸®°í CIE Lab »ö °ø°£¿¡¼ À¯Å¬¸®µå °Å¸®¸¦ °è»êÇÏ¿© color perceptual similarityµµ »ç¿ëÇß´Ù. ¶ÇÇÑ, contrast sensitivityµµ °í·ÁÇϱâ À§ÇØ difference of gaussian(DOG)À» ÀÌ¿ëÇÏ¿´´Ù. Similarity ÇüÅÂÀÇ factorµéÀ» index·Î ¹Ù²Ù¾î histogramÀ» ¸¸µé°í random forest(RF)¸¦ »ç¿ëÇÏ¿© mean opinion score (MOS)¸¦ ÇнÀÇÏ°í ¿¹ÃøÇÏ¿´´Ù. Á¦¾ÈÇÏ´Â PMGC¸¦ Æò°¡Çϱâ À§ÇØ, TID2013 database°ú Àß ¾Ë·ÁÁø ³× °¡Áö Æò°¡ ±âÁØÀ» »ç¿ëÇÏ¿´´Ù. °á°úÀûÀ¸·Î PMGC´Â ±âÁ¸ÀÇ IQAº¸´Ù ´õ HVS¸¦ ¸¸Á·ÇÏ´Â °á°ú¸¦ º¸¿©ÁØ´Ù.
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¿µ¹®³»¿ë (English Abstract) |
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Å°¿öµå(Keyword) |
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