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@yoyoyo-yo
yoyoyo-yo committed Oct 14, 2019
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80 changes: 40 additions & 40 deletions Question_01_10/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -14,13 +14,13 @@ img = cv2.imread("imori.jpg")
red = img[:, :, 2].copy()
```

|入力 (imori.jpg)|出力 (answers/answer_1.jpg)|
|入力 (imori.jpg)|出力 (answers_image/answer_1.jpg)|
|:---:|:---:|
|![](imori.jpg)|![](answers/answer_1.jpg)|
|![](imori.jpg)|![](answers_image/answer_1.jpg)|

答え
- Python >> [answers/answer_1.py](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers/answer_1.py)
- C++ >> [answers_cpp/answer_1.cpp](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers_cpp/answer_1.cpp)
- Python >> [answers_py/answer_1.py](answers_py/answer_1.py)
- C++ >> [answers_cpp/answer_1.cpp](answers_cpp/answer_1.cpp)

## Q.2. グレースケール化

Expand All @@ -29,13 +29,13 @@ red = img[:, :, 2].copy()

Y = 0.2126 R + 0.7152 G + 0.0722 B

|入力 (imori.jpg)|出力 (answers/answer_2.jpg)|
|入力 (imori.jpg)|出力 (answers_image/answer_2.jpg)|
|:---:|:---:|
|![](imori.jpg)|![](answers/answer_2.jpg)|
|![](imori.jpg)|![](answers_image/answer_2.jpg)|

答え
- Python >> [answers/answer_2.py](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers/answer_2.py)
- C++ >> [answers_cpp/answer_2.cpp](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers_cpp/answer_2.cpp)
- Python >> [answers_py/answer_2.py](answers_py/answer_2.py)
- C++ >> [answers_cpp/answer_2.cpp](answers_cpp/answer_2.cpp)
## Q.3. 二値化

画像を二値化せよ。
Expand All @@ -47,13 +47,13 @@ y = { 0 (if y < 128)
255 (else)
```
|入力 (imori.jpg)|出力 (answers/answer_3.jpg)|
|入力 (imori.jpg)|出力 (answers_image/answer_3.jpg)|
|:---:|:---:|
|![](imori.jpg)|![](answers/answer_3.jpg)|
|![](imori.jpg)|![](answers_image/answer_3.jpg)|
答え
- Python >> [answers/answer_3.py](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers/answer_3.py)
- C++ >> [answers_cpp/answer_3.cpp](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers_cpp/answer_3.cpp)
- Python >> [answers_py/answer_3.py](answers_py/answer_3.py)
- C++ >> [answers_cpp/answer_3.cpp](answers_cpp/answer_3.cpp)
## Q.4. 大津の二値化
大津の二値化を実装せよ。
Expand Down Expand Up @@ -97,13 +97,13 @@ argmax_{t} X = argmax_{t} Sb^2
となる。すなわち、Sb^2 = w0 * w1 * (M0 - M1) ^2 が最大となる、閾値tを二値化の閾値とすれば良い。
|入力 (imori.jpg)|出力 (th = 127) (answers/answer_4.jpg)|
|入力 (imori.jpg)|出力 (th = 127) (answers_image/answer_4.jpg)|
|:---:|:---:|
|![](imori.jpg)|![](answers/answer_4.jpg)|
|![](imori.jpg)|![](answers_image/answer_4.jpg)|
答え
- Python >> [answers/answer_4.py](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers/answer_4.py)
- C++ >> [answers_cpp/answer_4.cpp](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers_cpp/answer_4.cpp)
- Python >> [answers_py/answer_4.py](answers_py/answer_4.py)
- C++ >> [answers_cpp/answer_4.cpp](answers_cpp/answer_4.cpp)
## Q.5. HSV変換
Expand Down Expand Up @@ -158,13 +158,13 @@ X = C (1 - |H' mod 2 - 1|)
```
ここでは色相Hを反転(180を加算)し、RGBに直し画像を表示せよ。
|入力 (imori.jpg)|出力 (answers/answer_5.jpg)|
|入力 (imori.jpg)|出力 (answers_image/answer_5.jpg)|
|:---:|:---:|
|![](imori.jpg)|![](answers/answer_5.jpg)|
|![](imori.jpg)|![](answers_image/answer_5.jpg)|
答え
- Python >> [answers/answer_5.py](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers/answer_5.py)
- C++ >> [answers_cpp/answer_5.cpp](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers_cpp/answer_5.cpp)
- Python >> [answers_py/answer_5.py](answers_py/answer_5.py)
- C++ >> [answers_cpp/answer_5.cpp](answers_cpp/answer_5.cpp)
## Q.6. 減色処理
Expand All @@ -178,13 +178,13 @@ val = { 32 ( 0 <= val < 64)
160 (128 <= val < 192)
224 (192 <= val < 256)
```
|入力 (imori.jpg)|出力 (answers/answer_6.jpg)|
|入力 (imori.jpg)|出力 (answers_image/answer_6.jpg)|
|:---:|:---:|
|![](imori.jpg)|![](answers/answer_6.jpg)|
|![](imori.jpg)|![](answers_image/answer_6.jpg)|
答え
- Python >> [answers/answer_6.py](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers/answer_6.py)
- C++ >> [answers_cpp/answer_6.cpp](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers_cpp/answer_6.cpp)
- Python >> [answers_py/answer_6.py](answers_py/answer_6.py)
- C++ >> [answers_cpp/answer_6.cpp](answers_cpp/answer_6.cpp)
## Q.7. 平均プーリング
Expand All @@ -200,25 +200,25 @@ v = 1/|R| * Sum_{i in R} v_i
ここではimori.jpgは128x128なので、8x8にグリッド分割し、平均プーリングせよ。
|入力 (imori.jpg)|出力 (answers/answer_7.jpg)|
|入力 (imori.jpg)|出力 (answers_image/answer_7.jpg)|
|:---:|:---:|
|![](imori.jpg)|![](answers/answer_7.jpg)|
|![](imori.jpg)|![](answers_image/answer_7.jpg)|
答え
- Python >> [answers/answer_7.py](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers/answer_7.py)
- C++ >> [answers_cpp/answer_7.cpp](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers_cpp/answer_7.cpp)
- Python >> [answers_py/answer_7.py](answers_py/answer_7.py)
- C++ >> [answers_cpp/answer_7.cpp](answers_cpp/answer_7.cpp)
## Q.8. Maxプーリング
ここでは平均値でなく最大値でプーリングせよ。
|入力 (imori.jpg)|出力 (answers/answer_8.jpg)|
|入力 (imori.jpg)|出力 (answers_image/answer_8.jpg)|
|:---:|:---:|
|![](imori.jpg)|![](answers/answer_8.jpg)|
|![](imori.jpg)|![](answers_image/answer_8.jpg)|
答え
- Python >> [answers/answer_8.py](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers/answer_8.py)
- C++ >> [answers_cpp/answer_8.cpp](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers_cpp/answer_8.cpp)
- Python >> [answers_py/answer_8.py](answers_py/answer_8.py)
- C++ >> [answers_cpp/answer_8.cpp](answers_cpp/answer_8.cpp)
## Q.9. ガウシアンフィルタ
Expand All @@ -242,13 +242,13 @@ K = 1/16 [ 2 4 2 ]
1 2 1
```
|入力 (imori_noise.jpg)|出力 (answers/answer_9.jpg)|
|入力 (imori_noise.jpg)|出力 (answers_image/answer_9.jpg)|
|:---:|:---:|
|![](imori_noise.jpg)|![](answers/answer_9.jpg)|
|![](imori_noise.jpg)|![](answers_image/answer_9.jpg)|
答え
- Python >> [answers/answer_9.py](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers/answer_9.py)
- C++ >> [answers_cpp/answer_9.cpp](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers_cpp/answer_9.cpp)
- Python >> [answers_py/answer_9.py](answers_py/answer_9.py)
- C++ >> [answers_cpp/answer_9.cpp](answers_cpp/answer_9.cpp)
## Q.10 メディアンフィルタ
Expand All @@ -259,10 +259,10 @@ K = 1/16 [ 2 4 2 ]
これは注目画素の3x3の領域内の、メディアン値(中央値)を出力するフィルタである。
これもゼロパディングせよ。
|入力 (imori_noise.jpg)|出力 (answers/answer_10.jpg)|
|入力 (imori_noise.jpg)|出力 (answers_image/answer_10.jpg)|
|:---:|:---:|
|![](imori_noise.jpg)|![](answers/answer_10.jpg)|
|![](imori_noise.jpg)|![](answers_image/answer_10.jpg)|
答え
- Python >> [answers/answer_10.py](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers/answer_10.py)
- C++ >> [answers_cpp/answer_10.cpp](https://github.com/yoyoyo-yo/Gasyori100knock/blob/master/Question_01_10/answers_cpp/answer_10.cpp)
- Python >> [answers_py/answer_10.py](answers_py/answer_10.py)
- C++ >> [answers_cpp/answer_10.cpp](answers_cpp/answer_10.cpp)
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