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November 2003 © TOSHIBA TEC 7 - 7 e-STUDIO3511/4511 IMAGE PROCESSING
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(5) Image memory editing
This function performs editing such as enlargement/reduction, mirror imaging, etc., by using a line
memory. Pixel data for one line in the primary scanning direction is stored in the line memory and the
memory is renewed at each line.
(a) Enlargement/Reduction
Enlargment/Reduction is accomplished by using the line memory control function in the process
of the image processing operation.
<Example> Enlargement
<Example> Reduction
(b) Mirror imaging
This is accomplished by reading and outputting data from its end.
(6) Rectangular area signal generation
When a rectangular coordinate position is selected, the corresponding rectangular area signals are
generated. Using these signals, various edit processing related to the area specification can be
performed.
(7) Editing processing
This function performs trimming and masking.
(a) Trimming
Using rectangular area signals, the image signals inside the rectangular area are left and the
other image signals are eliminated.
(b) Masking
Using rectangular area signals, the image data inside the rectangular area are erased.
1100%
200%
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1100%
50%
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13579
Fig. 7-304