Q. For edge detection we use

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Q. Step edge transition is between pixels over the distance of

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Q. Sobel gradient is not that good for detection of

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Q. Smoothness reduced the bricks of

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Q. Second derivative approximation says that it is nonzero only at

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Q. Method in which images are input and attributes are output is called

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Q. Computation of derivatives in segmentation is also called

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Q. Model of lines through region is called

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Q. Transition of intensity takes place between

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Q. Averaging is analogous to

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Q. Response of derivative mask is zero at

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Q. Subdivision of the image depends upon the

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Q. One that is not a method of image segmentation is

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Q. Discontinuity approach of segmentation depends upon

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Q. On ramp and step second derivatives produce

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Q. Point detection is done using filter that is

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Q. Second derivatives are zero at points on

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Q. Two regions are said to be adjacent if their union forms

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Q. 8bit image has intensity levels of

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Q. Sobel operators were introduced in

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