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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ·è¾÷Å×ÀÌºí ±â¹Ý ½Ç½Ã°£ ºñ¼±Çü ·»ÁîÇ÷¹¾î ·»´õ¸µ ¹æ¹ý
¿µ¹®Á¦¸ñ(English Title) Real-Time Nonlinear Lens-Flare Rendering Method Based on Look-Up Table
ÀúÀÚ(Author) Á¶¼ºÈÆ   Á¤À¯³ª   À̼º±æ   Sunghun Jo   Yuna Jeong   Sungkil Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 44 NO. 03 PP. 0253 ~ 0260 (2017. 03)
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(Korean Abstract)
ÄÄÇ»Åͱ׷¡ÇȽº¿¡¼­ °íÇ°ÁúÀÇ ·»Áî Ç÷¹¾î »ý¼ºÀº ´ëºÎºÐ ¿ÀÇÁ¶óÀÎ ·»´õ¸µÀ» »ç¿ëÇØ¿Ô´Ù. ÃÖ±Ù, Çà·Ä ±â¹ÝÀÇ ±Ù»ç¸¦ »ç¿ëÇÏ¿© ½Ç½Ã°£ ÀÀ¿ë¿¡ ÀûÇÕÇÑ °íÇ°ÁúÀÇ ·»Áî Ç÷¹¾î »ý¼ºÀÌ °¡´ÉÇØÁ³Áö¸¸, ·»Áî Ç÷¹¾îÀÇ ¼±Çü ÆÐÅϸ¸ Áö¿øÇϹǷΠ±× Ç°ÁúÀÌ ÀúÇϵǾú´Ù. ÀÌ¿¡ º» ¿¬±¸´Â ºñ¼±Çü ·»Áî Ç÷¹¾î ÆÐÅÏÀ» ¼±Çü ÆÐÅÏÀÇ ·»Áî Ç÷¹¾î ·»´õ¸µ¿¡ ºí·»µùÇÏ¿© ¼±Çü/ºñ¼±Çü ÆÐÅÏÀ» ¸ðµÎ Æ÷ÇÔÇÏ´Â °íÇ°ÁúÀÇ ·»Áî Ç÷¹¾î ·»´õ¸µ ¹æ¹ýÀ» ¼Ò°³ÇÑ´Ù. ºñ¼±ÇüÆÐÅÏÀº ¿ÀÇÁ¶óÀο¡¼­ ¹Ì¸® ·»´õ¸µÇϰųª »çÁøÀ» Âï¾î ·è¾÷Å×ÀÌºí¿¡ ÀúÀåÇÏ°í, ¿Â¶óÀÎ ·»´õ¸µ¿¡¼­´Â ±¤¿øÀÇ °¢µµ¿¡ µû¶ó Àоî¿À±â¸¸ ÇϹǷÎ, ±âÁ¸ÀÇ ¹æ¹ýº¸´Ù °íÇ°ÁúÀ» °¡Áö¸é¼­µµ ¼º´ÉÀúÇÏ°¡ °ÅÀÇ ¾ø´Â °í¼º´É ·»´õ¸µÀÌ °¡´ÉÇÏ´Ù.
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(English Abstract)
In computer graphics, high-quality lens flares have been generated using costly offline rendering. A recent matrix-based approximation has enabled generation of high-quality lens flares suitable for real-time applications, but its quality degrades due to the lack of nonlinear patterns of lens flares. This paper introduces a method for high-quality lens-flare rendering, which includes blending of both nonlinear as well as linear patterns. The nonlinear patterns are pre-rendered or photographically captured offline and stored in a look-up table. The online stage reads only the pattern by looking up the table using a light angle, hence making its performance drop negligible while greatly improving the quality.
Å°¿öµå(Keyword) ·»Áî Ç÷¹¾î   ·»´õ¸µ   ·è¾÷Å×ÀÌºí   ºí·»µù   ºñ¼±Çü   lens flare   rendering   look-up table   blending   non-linear patterns  
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