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# Copyright (c) 2022 |
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# Author : Bruno Capuano |
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# Create Time : 2022 Feb |
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# Change Log : |
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# – Open a local image |
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# – Apply a pencil sketch effect to the image |
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# |
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# The MIT License (MIT) |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a copy |
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# of this software and associated documentation files (the "Software"), to deal |
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# in the Software without restriction, including without limitation the rights |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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# copies of the Software, and to permit persons to whom the Software is |
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# furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included in |
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# all copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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# THE SOFTWARE. |
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import cv2 |
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# open an image using opencv |
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imgOriginal = cv2.imread('Office2.jpg') |
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img = cv2.resize(imgOriginal, (324, 720)) |
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cv2.imshow('@ElBruno – Office', img) |
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# get image height and width |
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height, width, channels = img.shape |
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img_gray = cv2.cvtColor(img, cv2.COLOR_RGB2GRAY) |
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img_blur = cv2.GaussianBlur(img_gray, (21, 21), 0, 0) |
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img_blend = cv2.divide(img_gray, img_blur, scale=256) |
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cv2.imshow('@ElBruno – Pencil Sketch', img_blend) |
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# save image using opencv |
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cv2.imwrite('OfficePencilSketch.jpg', img) |
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# key controller |
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cv2.waitKey(0) |
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cv2.destroyAllWindows() |
El Bruno 
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