基于轻量残差网络的高效半色调算法

刘登峰,陈世海,郭文静,柴志雷

Efficient halftone algorithm based on lightweight residual networks

Dengfeng LIU,Shihai CHEN,Wenjing GUO,Zhilei CHAI

表 2 5种算法在公开数据集上的测试结果

Tab.2 Test results of five algorithms in public datasets

数据集 Bayer有序抖动 Ostromoukhov误差扩散 DBS RVH 本研究 SSIM PSNR SSIM PSNR SSIM PSNR SSIM PSNR SSIM PSNR Set5[17] 0.0921 19.2703 0.0895 20.0623 0.1002 20.0345 0.1223 18.9258 0.1350 19.0440 Set14[18] 0.1102 20.5257 0.1198 21.9181 0.1099 21.8266 0.1660 20.0719 0.1800 20.1359 T91[19] 0.0819 17.1405 0.0884 17.6289 0.0768 17.4897 0.1232 16.8595 0.1401 16.9310 BSDS100[20] 0.0883 19.5322 0.0937 20.4778 0.0793 20.3055 0.1477 19.9298 0.1611 20.0607 BSDS200[20] 0.0753 19.4164 0.0800 20.3194 0.0669 20.1321 0.1267 19.6582 0.1406 19.7947 General100[21] 0.0947 19.8076 0.0958 20.6128 0.0916 20.4640 0.1299 19.3996 0.1398 19.4650 Historical[22] 0.1510 18.6613 0.1497 19.4255 0.1227 19.1702 0.2298 19.4990 0.2411 19.9650 Manga109[22] 0.2478 22.9694 0.2226 23.2956 0.2331 23.2728 0.2543 23.2852 0.2644 23.1815 Urban100[23] 0.1443 22.6923 0.1616 23.5567 0.1355 23.3627 0.2141 22.7340 0.2253 22.9097