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44 changes: 22 additions & 22 deletions .obsidian/workspace.json
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40 changes: 20 additions & 20 deletions content/其他/介紹投影片/型態學影像處理介紹PPT.md
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## 型態學影像處理

深綠色投影片作者: 台科大黃正民教授
- 深綠色投影片作者: 台科大黃正民教授

---

### 型態學影像處理的基本概念
型態學的處理可以用於
簡化影像資料
保留重要的形狀特性
消除雜訊(不相關的部分)
灰階影像 --> 二值化影像 --> 型態學 --> 連通元件
- 型態學的處理可以用於
- 簡化影像資料
- 保留重要的形狀特性
- 消除雜訊(不相關的部分)
- 灰階影像 --> 二值化影像 --> 型態學 --> 連通元件

---

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---

## 膨脹處理
滿足交換律
A ⊕ B == B ⊕ A
滿足結合律
(A ⊕ B ) ⊕ C == A ⊕ (B ⊕ C)
位移不變性
A ⊕ B_z == (A ⊕ B )_z
應用
文字辨識
- 滿足交換律
- A ⊕ B == B ⊕ A
- 滿足結合律
- (A ⊕ B ) ⊕ C == A ⊕ (B ⊕ C)
- 位移不變性
- A ⊕ B_z == (A ⊕ B )_z
- 應用
- 文字辨識

---
## 侵蝕處理
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---
## 斷開與閉合
斷開: 先侵蝕再膨脹
閉合: 先膨脹再侵蝕
- 斷開: 先侵蝕再膨脹
- 閉合: 先膨脹再侵蝕

---
## 斷開與閉合
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---
### 車牌影像偵測
在固定環境下,車牌辨識的 成果已經非常完善
在環境較多干擾的情況·車 牌辨識的成功率會大幅降低
- 在固定環境下,車牌辨識的 成果已經非常完善
- 在環境較多干擾的情況·車 牌辨識的成功率會大幅降低

---
![[Pasted image 20240828192339.png]]
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---
### 車道標線影像偵測
為了彌補路面或車道標線反光、 陰影遮蔽等造成偵測的圖像破碎, 使部分車道線無法成功找到的問題
使用形態學去除雜訊干擾、填補車道線破碎的部分
- 為了彌補路面或車道標線反光、 陰影遮蔽等造成偵測的圖像破碎, 使部分車道線無法成功找到的問題
- 使用形態學去除雜訊干擾、填補車道線破碎的部分

---
![[Pasted image 20240828192844.png]]
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