SET-3-Question-21 .- The impulse response of the restoration filter is chosen to minimize the ––––––––.

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Answer- mean-square restoration error

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SET-3-Question-22 .- In the literature, the standard deviation image feature is sometimes called the –––––––.

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Answer- image dispersion

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SET-3-Question-23 .- ––––––– are inherently dependent on the size of the observation neighbourhood.

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Answer- Texture measures

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SET-3-Question-24 .- –––––– textures consist of arrangements of symbols, such as line segments, dots and stars placed against a neutral background.

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Answer- Artificial

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SET-3-Question-25 .- The luminance of a region of pixels and grey scale textural regions are examples for –––––––.

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Answer- Natural features

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SET-3-Question-26 .- Image amplitude histograms and spatial frequency spectra are examples of –––––––.

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Answer- artificial features

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SET-3-Question-27 .- _______ subdivides an image into its constituent regions or objects.

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Answer- Segmentation

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SET-3-Question-28 .- Image segmentation algorithms generally are based on one of two basic properties of intensity values: ______ and _______.

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Answer- discontinuity, similarity

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SET-3-Question-29 .- _______, ______ and______ are the three basic types of discontinuities.

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Answer- point, lines and edges

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SET-3-Question-30 .- _______ are designed with suitable coefficients and are applied at each point in an image.

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Answer- Mask

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