Q. Gradient image is formed by the component

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Q. Double line effect is produced by

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Q. Local averaging

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Q. Digital images have edges that are

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Q. Edges arise between thin objects and backgrounds are

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Q. For edge detection we observes

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Q. For diagonal edge detection we use

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Q. Thresholding is the example of

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Q. Algorithm stating that boundaries of the image are different from background is

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Q. Intersection between zero intensity and extreme of second derivative is called

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Q. Edge detection has fundamental

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Q. Regions of the image must be

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Q. More smoothness is created by the mask of size

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Q. The direction of angle to the gradient is

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Q. Second derivative approximation says that value at end of ramp must be

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Q. In the sense of predicate two regions of the image must be

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Q. If all lines in the direction of defined direction of mask are wished to be found then we use

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Q. If inside the boundary is white otherwise black predicate is

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Q. One angle at which the lines in an image are not oriented is

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Q. Edge detection is based on

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