空間頻率(100年度)
出自KMU Wiki
(修訂版本間差異)
| 在2011年10月21日 (五) 19:56所做的修訂版本 (編輯) 98007013 (對話 | 貢獻) ←上一個 |
當前修訂版本 (2011年10月22日 (六) 18:14) (編輯) (撤銷) 98007013 (對話 | 貢獻) (→Discrimination??) |
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| (15個中途的修訂版本沒有顯示。) | |||
| 第19行： | 第19行： | ||
| ===What is the unit of scale?=== | ===What is the unit of scale?=== | ||
| *Sinusoidal grating（正弦波柵） | *Sinusoidal grating（正弦波柵） | ||
| - | + | [[Image:Sinusoidal grating.jpg]] | |
| ====What are gratings?==== | ====What are gratings?==== | ||
| *Four defining characteristics（特徵） | *Four defining characteristics（特徵） | ||
| 第33行： | 第33行： | ||
| =====Spatial phase===== | =====Spatial phase===== | ||
| *phase在相加時效果 | *phase在相加時效果 | ||
| - | + | [[Image:Spatial phase.jpg]] | |
| =====Grating 的加成===== | =====Grating 的加成===== | ||
| *影像加成 | *影像加成 | ||
| - | + | [[Image:Grating.jpg]] | |
| =====自然情境的加成===== | =====自然情境的加成===== | ||
| *Coarse to fine | *Coarse to fine | ||
| + | [[Image:Coarse to fine.jpg]] | ||
| ===Gratings and contrast sensitivity=== | ===Gratings and contrast sensitivity=== | ||
| *Measure performance（表現） | *Measure performance（表現） | ||
| + | [[Image:Measure performance.png]] | ||
| ===Cut-off frequency=== | ===Cut-off frequency=== | ||
| *Transfer function （遞變函數） | *Transfer function （遞變函數） | ||
| + | [[Image:Cut-off frequency.jpg]] | ||
| ===Fourier analysis=== | ===Fourier analysis=== | ||
| *Discrete Fourier Transform analysis 間斷傅立葉傳換分析 | *Discrete Fourier Transform analysis 間斷傅立葉傳換分析 | ||
| + | [[Image:Discrete Fourier Transform analysis.jpg]] | ||
| ===Fourier synthesis（合成）=== | ===Fourier synthesis（合成）=== | ||
| *分析的反向 | *分析的反向 | ||
| **如：方波 | **如：方波 | ||
| + | [[Image:F21.jpg]] | ||
| + | |||
| + | [[Image:FF2.jpg]][[Image:FF3.jpg]] | ||
| + | |||
| + | [[Image:FF4.png]][[Image:FF5.jpg]][[Image:FF6.jpg]] | ||
| + | |||
| + | [[Image:FF7.png]][[Image:FF8.jpg]][[Image:FF9.jpg]] | ||
| + | |||
| + | [[Image:FF10.png]] | ||
| + | |||
| + | [[Image:FF11.png]] | ||
| + | |||
| + | *介紹一本書 | ||
| + | **[http://www.books.com.tw/exep/prod/booksfile.php?item=0010451962#http://www.books.com.tw/exep/prod/booksfile.php?item=0010451962 世界第一簡單傅立葉分析] | ||
| ===Human contrast sensitivity function（對比敏感函數）=== | ===Human contrast sensitivity function（對比敏感函數）=== | ||
| *Contrast thresholds and contrast sensitivity function (CSF) | *Contrast thresholds and contrast sensitivity function (CSF) | ||
| + | [[Image:CSF.jpg]] | ||
| ===Structural basis of CSF=== | ===Structural basis of CSF=== | ||
| *selective adaptation（選擇性適應） | *selective adaptation（選擇性適應） | ||
| + | [[Image:Selective adaptation.jpg]] | ||
| ===Selective adaptation=== | ===Selective adaptation=== | ||
| *原理 | *原理 | ||
| - | + | [[Image:Selective adaptation 2.jpg]] | |
| *回家實驗看看 | *回家實驗看看 | ||
| + | [[Image:Selective adaptation 3.jpg]] | ||
| ===Effect of spatial frequency=== | ===Effect of spatial frequency=== | ||
| *Low and high | *Low and high | ||
| + | [[Image:Effect of spatial frequency.jpg]] | ||
| *Mosaic 馬賽克 | *Mosaic 馬賽克 | ||
| + | [[Image:Mosaic.jpg]] | ||
| + | [[Image:Mosaic 3.jpg]] | ||
| =====How to make mosaic===== | =====How to make mosaic===== | ||
| - | + | [[Image:Make mosaic.jpg]] | |
| =====Discrimination?? ===== | =====Discrimination?? ===== | ||
| + | 想想老師的照片!! | ||
| ===Symmetry=== | ===Symmetry=== | ||
| *新瓶裝舊酒 | *新瓶裝舊酒 | ||
| **low SF of fig 5.48 | **low SF of fig 5.48 | ||
| + | [[Image:Symmetry.jpg]] | ||
| ===補充美美的:)=== | ===補充美美的:)=== | ||
| *CHUCK CLOSE | *CHUCK CLOSE | ||
| + | [[Image:CHUCK CLOSE 1.jpg]] | ||
| + | |||
| + | [[Image:CHUCK CLOSE 2.jpg]] | ||
| + | [[Image:CHUCK CLOSE 3.jpg]] | ||
| ==補充資料== | ==補充資料== | ||
當前修訂版本
[編輯] 一張圖片開始
- Dr. Angry and Mr. Smile:Philippe G. Schyns*, Aude Oliva*
[編輯] Local analysis
- scale
[編輯] Coarse scale and fine scale
- Smile woman(coarse) and unsmile man(fine)
- puzzle in fine
- Puzzle in coarse
[編輯] What is the unit of scale?
- Sinusoidal grating（正弦波柵）
[編輯] 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）
[編輯] Spatial phase
- phase在相加時效果
[編輯] Grating 的加成
- 影像加成
[編輯] 自然情境的加成
- Coarse to fine
[編輯] Gratings and contrast sensitivity
- Measure performance（表現）
[編輯] Cut-off frequency
- Transfer function （遞變函數）
[編輯] Fourier analysis
- Discrete Fourier Transform analysis 間斷傅立葉傳換分析
[編輯] Fourier synthesis（合成）
- 分析的反向
- 如：方波
- 介紹一本書
[編輯] Human contrast sensitivity function（對比敏感函數）
- Contrast thresholds and contrast sensitivity function (CSF)
[編輯] Structural basis of CSF
- selective adaptation（選擇性適應）
[編輯] Selective adaptation
- 原理
- 回家實驗看看
[編輯] Effect of spatial frequency
- Low and high
- Mosaic 馬賽克
[編輯] How to make mosaic
[編輯] Discrimination??
想想老師的照片!!
[編輯] Symmetry
- 新瓶裝舊酒
- low SF of fig 5.48
[編輯] 補充美美的:)
- CHUCK CLOSE
[編輯] 補充資料
- 舊文章 有關空間頻率
- 請回去看一下
- 有益無害:)
