# Advanced Image Processing
NTNU 高等影像處理
##### [Back to Note Overview](https://hackmd.io/@NTNUCSIE112/NTNUNote)
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## Score

## Note

### Chapter 00 - 0905
Gray Resolution → Quantitation(brightness level)
Spatial Resolution → Sampling

- 名詞解釋（會考定義）
- pixel
- a pixel has a location (spatial coordinate) and a value
- connected component
- The set of all pixels in S that are connected to a given pixel in S.
- 一樣值的相連
- 用處
- 用來找物件、區域
- region
- contour
- 由 edge 組成的輪廓
- edge
- edge is a path of one or more pixel that separate two regions of significantly different gray level
- 明顯沒有標準 edge 定義看應用
- histogram(下禮拜會考要畫漂漂的圖)
- x 軸：gray-level、intencity
- y 軸：number of pixel
- contrast
- high-contrast
- pixel 分布均勻
- low-contrast
- pixel 集中
- CV 困難
- 亮度
- ill-posed problem
- local window v.s. need for global view
- 只有局部 不知道全貌