OpenCV 面试题与答案
问题 6. What is OpenGL?
OpenGL stands for Open Graphics Library, it is an open-source cross-platform application programming interface (API) for rendering 2D and 3D vector graphics. The API is used to interact with GPU for achieving the hardware-accelerated rendering.
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问题 7. What is CUDA?
CUDA is a parallel computing platform developed by Nvidia that is consists of its own GPU for general computing.
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问题 8. In OpenCV which function is used to draw a line?
In the OpenCV line() function is used to draw the line.
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问题 9. How many types of video filters are in OpenCV?
Different types of video filters available in OpenCV are Blurring, Smoothing, Distortion, Warp Stabilizer, alpha extract, bilateral, color matrix, chrome hold, etc.
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问题 10. How to find threshold in images using OpenCV?
We can find the threshold of an image in OpenCV with the help of cv.threshold function.
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用户评价最有帮助的内容：
- what is OpenCV?
- Which method of OpenCV is used to read image?
- In OpenCV which function is used to draw a line?
- List some sample applications of OpenCV?
- How many types of image filters are available in OpenCV?