Lab1 Egor Petrov #11
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Lab1 Egor Petrov #11
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lab1_filters.py
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| # Вывод функции - исходное изображение в оттенках серого | ||
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| b,g,r=cv.split(dst) | ||
| gray = np.uint8(0.299*r) + np.uint8(0.587*g) + np.uint8(0.114*b) |
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Сначала надо перемешать интенсивности, а потом делать приведение.
lab1_filters.py
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| stepy=dst.shape[0]/desired_height | ||
| for i in range (0, desired_width): | ||
| for j in range (0, desired_height): | ||
| resized[j,i]=dst[int(j*stepy),int(i*stepx)] |
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Можно уйти от попиксельной обработки.
lab1_filters.py
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| b1,g1,r1=cv.split(dst) | ||
| b=np.uint8(0.272*r1) + np.uint8(0.534*g1) + np.uint8(0.131*b1) | ||
| g=np.uint8(0.349*r1) + np.uint8(0.686*g1) + np.uint8(0.168*b1) | ||
| r=np.uint8(0.393*r1) + np.uint8(0.769*g1) + np.uint8(0.189*b1) |
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Приведение после смешивания.
lab1_filters.py
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| sepia=cv.merge((b,g,r)) | ||
| return sepia | ||
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| def vignette(dst,r): # Работает сомнительно |
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Что-то странное написано. Обсудим.
lab1_filters.py
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| mask = np.empty((height,width,3), np.uint8) | ||
| for i in range (0,height//2): | ||
| mask[i] = mask[height-i-1] = i | ||
| gray =toShapesOfGray(dst) |
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Вот это нигде не используется.
lab1_filters.py
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| tmp[i]=np.hsplit(tmp[i], kx) | ||
| for i in range(0,ky): | ||
| for j in range(0,kx): | ||
| tmp[i][j]=tmp[random.randint(0,ky-1)][random.randint(0,kx-1)] |
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Надо проверять, что номера не будут повторяться, чтобы не было повторяющихся блоков.
main.py
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| import lab1_filters as lf | ||
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| image = input() | ||
| if (image != None): |
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Необходимо добавить разбор аргументов командной строки.
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@valentina-kustikova исправил недочеты |
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