空間頻率(100年度)
出自KMU Wiki
目錄 |
一張圖片開始
- Dr. Angry and Mr. Smile:Philippe G. Schyns*, Aude Oliva*
Local analysis
- scale
Coarse scale and fine scale
- Smile woman(coarse) and unsmile man(fine)
- puzzle in fine
- Puzzle in coarse
What is the unit of scale?
- Sinusoidal grating(正弦波柵)
What are gratings?
- Four defining characteristics(特徵)
- Saptial frequency(空間頻率)
- Cycles per degree (visual angle)
- 在一臂之遠圖5.6具有1.0cycle/degree
- Cycles per degree (visual angle)
- Saptial frequency(空間頻率)
- Contrast(對比)
- 0~100%
- Printing 約90%
- 0~100%
- Orientation(方位)
- Spatial phase(空間相位)