液晶电视画质判定方法

按一下以編輯母片標題樣式,按一下以編輯母片,第二層,第三層,第四層,第五層,*,DSBU,Confidential,Picture Quality Assessment,紀華錐,(,Jack Chi),Testing/TV Software,DS BU,Feb. 27, 2004,Agenda,Introduction of 16:00-16:45Picture Quality Assessment,Test equipment,Assessment items,Geometry and Distortion,Contrast and Brightness,Sharpness and Resolution,Color and Gray scale,Others,Demo and practice 16:45-17:30,2,Test equipment,TV video generator,Programmable video generator,DVD player and tested disks,Color Analyzer,3,Assessment Items of Picture Quality (Video Performance),Geometry and Distortion,Contrast and Brightness,Sharpness and Resolution,Color and Gray scale,Others,A. Geometry and Distortion,A1. Video H-Size,A2. Video V-Size,A3. Video H-Position,A4. Video V-Position,A5. Aspect Ratio V-Size (1.85:1&1.66:1),A6. Video Linearity,A7. Video Scale Linearity,5,Test Item:,H-size (A1), V-size (A2), H-pos (A3), V-pos (A4),Test signal:,Monoscope,pattern,Source :,TV pattern generator,Criteria:,Width,: A and B set 5 7,Height,: C and D set 3 5,Position : A-B = 2mm and C-D = 2mm,6,Test Item:,Aspect Ratio V-Size (1.85:1&1.66:1) (A5),Test signal:,Cross Hatch pattern,Source :,Avia,DVD,Criteria:,Can be adjusted to,Full Screen,7,Test Item:,Video Linearity (A6),Test signal:,Cross Hatch pattern,Source :,TV pattern generator,Criteria:,(Max Min)/Max scale = 3.58MHz,21,Test Item:,Sharpness (C4),Test signal:,Test video,Source :,Toshiba DVD,Criteria:,No white outlines,22,Assessment Items of Picture Quality (Video Performance),Geometry and Distortion,Contrast and Brightness,Sharpness and Resolution,Color and Gray scale,Others,D. Color and Gray-scale,D1. Standard Color,D2. Color Scale,D3. Gray-scale,D4. Y/C Delay,24,Test Item:,Standard Color (D1),Test signal:,SMPTE Color Bar,Source :,TV pattern generator,Criteria:,Correct color,and clear color transient lines,25,Test Item:,Standard Color (D1),Test signal:,Test video,Source :,Digital Soft Lab DVD,Criteria:,Pure,White,26,Test Item:,Standard Color (D1),Test signal:,Test video,Source :,Digital Soft Lab DVD,Criteria:,Skin color,for white background,27,Test Item:,Standard Color (D1),Test signal:,Test video,Source :,Digital Soft Lab DVD,Criteria:,Skin color,for dark background,28,Test Item:,Color Scale (D2),Test signal:,Color scale pattern,Source :,Avia,DVD,Criteria:,Smooth color change,29,Test Item:,Gray Scale (D3),Test signal:,Y-ramp pattern,Source :,Microvision,DVD,Criteria:,No change in color form especially at low brightness area,30,Test Item:,Gray Scale (D3),Test signal:,Test video,Source :,Digital Soft Lab DVD,Criteria:,No change in color with gray scale tracking,31,Test Item:,Y/C Delay (D4),Test signal:,Y/C Delay pattern,Source :,Avia,DVD,Criteria:,Y and C difference = 0.15usec,32,Assessment Items of Picture Quality (Video Performance),Geometry and Distortion,Contrast and Brightness,Sharpness and Resolution,Color and Gray scale,Others,E. Others,E1. De-interlacing,E2. Edge smoothing,E3. Comb Filter,E4. 3:2 & 2:2 pull down film detection,E5. Motion- detection,E6. Noise Reduction,E7. Black & White Extension,34,Test Item:,De-interlacing (E1),Test signal:,Test video,Source :,Faroudja,DVD,Criteria:,No flicker,35,Test Item:,Edge smoothing (E2),Test signal:,Test video,Source :,Faroudja,DVD,Criteria:,Smooth edge,36,Test Item:,Comb filter (E3),Test signal:,Test video,Source :,Faroudja,DVD,Criteria:,No “false color”,for 3D,37,Test Item:,3:2 & 2:2 pull down,(E4),Test signal:,Test video,Source :,Faroudja,DVD,Criteria:,Smooth moving for lines,38,Test Item:,Motion Detection,(E5),Test signal:,Test video,Source :,Sanyo DVD,Criteria:,Clear picture and no “false color”,39,Test Item:,Noise Reduction,(E6),Test signal:,Grey scale pattern,Source :,TV video generator,Criteria:,No noise,40,Test Item:,Black & White Extension (E7) - Black,Test signal:,Test video,Source :,Sanyo DVD,Criteria:,No flicker during motion,41,Test Item:,Black & White Extension (E7) - White,Test signal:,Test video,Source :,Sanyo DVD,Criteria:,No flicker during motion,42,43,