TV 画質調整実習(1)
16 May 2005
日本画質技術研究所
代表 中村 順平
Japan Picture Quality & Technology Laboratory
CEO Jumpei Nakamura
Japan Picture Quality & Technology Laboratory
日本画質技術研究所
Main Adjustment Items
1. Gamma
2. Color Temperature
3. Mode
4. Brightness
5. Contrast
6. Color
7. HUE (Tint)
8. Sharpness
Japan Picture Quality & Technology Laboratory
日本画質技術研究所
Gamma
Japan Picture Quality & Technology Laboratory
日本画質技術研究所
1.1 Gamma Curve
γ = 2.2, 2.3, 2.4, 2.5
γ大
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
Japan Picture Quality & Technology Laboratory
日本画質技術研究所
1.2 Gamma (RGB γ) Adjust
Japan Picture Quality & Technology Laboratory
日本画質技術研究所
1.3 Gamma (Actual Picture)
Low
Gamma
High
Japan Picture Quality & Technology Laboratory
日本画質技術研究所
1.4 Gamma Shape
Japan Picture Quality & Technology Laboratory
日本画質技術研究所
1.5 Gamma Shape
Enhanced
γ=2.2
1.0
0.8
0.6
0.4
0.2
0.0
0
50
100
150
200
250
Japan Picture Quality & Technology Laboratory
日本画質技術研究所