DIGITAL IMAGE PROCESSING (DIP)- IMAGE SEGMENTATION MCQ

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A line is viewed as
Sobel is better than prewitt in image
Intensity\'s local changes can be detected through
For line detection we assume that lines are
Example of similarity approach in image segmentation is
The preferred direction of mask is weighted with the
Points other than exceeding the threshold in output image are marked as
In laplacian images dark shades of gray level is represented by
Pixels where intensity changes abruptly are called
Isolated point is also called
Points exceeding the threshold in output image are marked as
Example of discontinuity approach in image segmentation is
First derivative approximation says that values of intensities at the onset must be
Image segmentation is also based on
Image whose principle features are edges is called
Vertical lines are angles at
If R is the entire region of the image then union of all segmented parts should be equal to
Mask\'s response to zero means
Lines in an image can be oriented at angle
Laplacian images need

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