空間頻率(100年度)
出自KMU Wiki
(修訂版本間差異)
在2011年10月22日 (六) 17:43所做的修訂版本 (編輯) 98007013 (對話 | 貢獻) (→Fourier synthesis(合成)) ←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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(7個中途的修訂版本沒有顯示。) | |||
第57行: | 第57行: | ||
**如:方波 | **如:方波 | ||
[[Image:F21.jpg]] | [[Image:F21.jpg]] | ||
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+ | [[Image:FF2.jpg]][[Image:FF3.jpg]] | ||
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+ | [[Image:FF4.png]][[Image:FF5.jpg]][[Image:FF6.jpg]] | ||
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+ | [[Image:FF7.png]][[Image:FF8.jpg]][[Image:FF9.jpg]] | ||
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+ | [[Image:FF10.png]] | ||
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+ | [[Image:FF11.png]] | ||
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+ | *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=== |
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:)