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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Q. Blurring attenuate the

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Q. A line is viewed as

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Q. Sobel is better than prewitt in image

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Q. Intensity's local changes can be detected through

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Q. For line detection we assume that lines are

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Q. Example of similarity approach in image segmentation is

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Q. The preferred direction of mask is weighted with the

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Q. Points other than exceeding the threshold in output image are marked as

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Q. In laplacian images dark shades of gray level is represented by

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