Recent questions tagged Opencv

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I did a program with python, importing the OpenCV's libraries. Now, I'm doing the GUI in Tkinter. I'm ... push button to quit the program. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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opencv - What does the distance attribute in DMatches mean?

I have a short question: When I do feature-matching in OpenCV, what does the distance attribute mean of DMatches in ... it a kind of deviation? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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opencv - How to remove watermark background in image Python

I have a image like below, I would like to remove background watermark. So far I tried, inpainting method ... help would be more appreciable. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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opencv - Detecting hair in a portrait image?

What would be the best approach for detecting and removing a person's hair in a simple portrait image ? Any useful ... it could be of some use See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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715 views

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opencv - color replacement in image for iphone application

Basically i want to implement color replacement feature for my paint application. Below are original and expected ... other solution to tryout. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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732 views

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opencv - What exactly is BGR color space?

An RGB color is composed of three components: Red (0-255), Green (0-255) and Blue (0-255). What ... is it different from RGB color space? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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opencv - Change type of Mat object from CV_32F to CV_8U

I tried to display an image of CV_32F type using imshow function but it showed a WHITE image. In the ... which are assigned during processing. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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opencv - convert Bitmap to Mat after capture image using android camera

Mat b = new Mat(); Bitmap bmp = getIntent().getExtras().getParcelable("image_send"); @Override protected ... stopped after taking a picture. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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828 views

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opencv - Capture video data from screen in Python

Is there a way with Python (maybe with OpenCV or PIL) to continuously grab frames of all or a portion of the ... (probably after re-sizing it). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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opencv - Convert a string of bytes to cv::mat

I need to implement a function that receives a string containing the bytes of an image (received via boost socket ... for Mat from a string? See Question&Answers more detail:os...