caa a22 4500 605448051 CHVBK 20210128100135.0 cr unu---uuuuu 210128e20150801xx s 000 0 eng 10.1007/s11042-014-1906-5 doi (NATIONALLICENCE)springer-10.1007/s11042-014-1906-5 A fast algorithm for YCbCr to perception color model conversion based on fixed-point DSP [Elektronische Daten] [Yifang Liu, Yunfeng Zhang, Caiming Zhang] Real-time video processing heavily relies on the color space conversion. Due to the real-time requirement, the traditional conversion methods often suffer from the moderate conversion speed, inaccuracy and low video quality. In order to meet the efficiency requirement of color space conversion in real-time video systems, we present a fast algorithm for color space YCbCr to perception color model conversion, which is based on the simplified shift and look-up table (SSLUT). The approach can be divided into two steps. At first, the simplified fixed-point shift method is used to convert YCbCr to RGB. Then look-up table assists with the YCbCr to perception color model conversion, such as HSV, HSI and HSL. To validate the proposed fast algorithm, the conversion speed and accuracy are compared with the traditional methods based on Code Composer Studio (CCS) test platform. Moreover, we make the video quality evaluation by using the peak signal-to-ratio (PSNR) and the structural similarity (SSIM). Experimental results illustrate the real-time, robustness and accuracy of the fast algorithm. Springer Science+Business Media New York, 2014 Real-time video system nationallicence Color space conversion nationallicence Perception color model nationallicence Video quality assessment nationallicence Liu Yifang School of Computer Science & Technology, Shandong University of Finance and Economics, 250014, Jinan, China aut Zhang Yunfeng School of Computer Science & Technology, Shandong University of Finance and Economics, 250014, Jinan, China aut Zhang Caiming School of Computer Science & Technology, Shandong University of Finance and Economics, 250014, Jinan, China aut Multimedia Tools and Applications Springer US; http://www.springer-ny.com 74/15(2015-08-01), 6041-6067 1380-7501 74:15<6041 2015 74 11042 https://doi.org/10.1007/s11042-014-1906-5 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s11042-014-1906-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Liu Yifang School of Computer Science & Technology, Shandong University of Finance and Economics, 250014, Jinan, China aut NATIONALLICENCE 700 1- Zhang Yunfeng School of Computer Science & Technology, Shandong University of Finance and Economics, 250014, Jinan, China aut NATIONALLICENCE 700 1- Zhang Caiming School of Computer Science & Technology, Shandong University of Finance and Economics, 250014, Jinan, China aut NATIONALLICENCE 773 0- Multimedia Tools and Applications Springer US; http://www.springer-ny.com 74/15(2015-08-01), 6041-6067 1380-7501 74:15<6041 2015 74 11042