The 5 images (airfield, boats, bridge, harbour and peppers),
from the EE368b class database, of which 256*512 pixels are taken in each,
(i.e. the
first 256 columns and all of the 512 rows). These images represent
images to be coded using the distributed source coding algorithm developed in
this project,
An interpolated image for each of the 256*512 images taken from the class
database
, formed by averaging the three adjacent pixels (one
horizontally, one vertically, and one diagonally adjacent) of the original
image for each pixel.
Modified versions of each of the interpolated images by limiting the
absolute gray level value difference between each pixel of each interpolated
image and each pixel of the original image to pre-determined values, D.
Hence, given a value D, if any same location pixel pair (one in the original
and the other in its interpolated image) difference
exceeds D/2 in modulus sense, the interpolated image pixel
value is replaced by a random number, ranging from a distance -D/2 to D/2 to
the
original image pixel value. 5 D values, 8,16,32,64 and 128 are used; hence,
a total of additional 25 images are produced.