OpenCV Interview Questions and Answers
Ques 11. What is Scharr Operator?
Scharr() Operator is an operator that is used to detect the second derivatives of an image in horizontal and vertical directions.
Ques 12. Which method of OpenCV is used to save images?
cv2.imwrite() method is the method of OpenCV that is used to save an image.
Ques 13. Which method of OpenCV is used to show the image?
cv2.imshow() method is the method of OpenCV that is used to show an image.
Ques 14. Enlist different types of filters available in OpenCV?
The different types of linear and non-linear filter that you can apply to a picture using OpenCV are, BaeColumn filter, Base filter, BaseRow filter, FilterEngine, Bilateral filter, AdaptiveBilateral Filter, Blur, BorderInterpolate, BoxFilter, BuildPyramid, copyMakeBorder, createBoxFilter, createDerivFilter, createGuassionFilter, createLinear filter, createMorphology filter, createSeparableLinear filter, dilate, erode, filter2D, GuassianBlur, getDerivKernels, getKernelType, getStructuringElement, medianBlur, morphologyEx, Laplacian, pyrDown, pyrUp, pyrMeanShiftFiltering, sepFilter2D, Smooth, Sobel, Scharr.
Ques 15. What is computer vision?
It's a Subset of AI. Computer vision is an interdisciplinary scientific field that deals with how computers can be made to gain a high-level understanding of images or videos.
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