In the MATLAB environment, display an image of a breast mammogram from the MAMMO database. Apply...

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Electrical Engineering

In the MATLAB environment, display an image of a breastmammogram from the MAMMO database. Apply gray-level scaling,histogram equalization, and an LOG enhancement mask for imageenhancement as given below. Compare the enhanced images to originalimage qualitatively.

LOG enhancement mask to be convolved with the image:
- 1 -1 -1
- 1 9 - 1
-1 -1 -1
MAMMO database:
http://peipa.essex.ac.uk/pix/mias/

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3.6 Ratings (306 Votes)

Syntax X map gray2indIn X map gray2indBWn Description X map gray2indIn converts the grayscale image I to an indexed image X n specifies the size of the colormap grayn n must be an integer between 1 and 65536 If nis omitted it defaults to 64 X map gray2indBWn converts the binary image BW to an indexed image X n specifies the size of the colormap grayn If n is omitted it defaults to 2 gray2ind scales and then rounds the intensity image to produce an equivalent indexed image Class Support The input image I can be logical uint8 uint16 int16 single or double and must be a real and nonsparse The image I can have any dimension The class of the output image X is uint8 if the colormap length is less than or equal to 256 otherwise it is uint16 Examples Convert Grayscale Image to Indexed Image Try This Example Read grayscale image into the workspace I imreadcameramantif Convert the image to an indexed image using gray2ind This example creates an indexed image with 16 indices X map gray2indI 16 Display the indexed image imshowX map escription Histograms are a type of bar plot for numeric data that group the data into bins After you create a Histogram object you can modify aspects of the See Answer

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