Changeset 1971

Timestamp:

11/16/07 02:34:22 (6 years ago)

Author:

sam

Message:

• Minor fixes to the error diffusion section.

File:

• www/study/part3.html (modified) (2 diffs)

www/study/part3.html

@@ -34 +34 @@
 
 <p> The idea behind error diffusion is to compute the error caused by
-thresholding a given pixel and propagate it to neighbour pixels to
+thresholding a given pixel and propagate it to neighbour pixels, in order to
 compensate for the average intensity loss or gain. It is based upon the
 assumption that a slightly out-of-place pixel causes little visual harm.
@@ -45 +45 @@
 
 <p> This is the simplest error diffusion method. It thresholds the image
-to 0.5 and propagates 100% of the error the the next (right) pixel: </p>
+to 0.5 and propagates 100% of the error the the next (right) pixel. It is
+quite impressive given its simplicity but causes important visual artifacts:
+</p>
 
 <p style="text-align: center;">