Toshiba 4511, 3511 manual Example Enlargement, Example Reduction

(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

100% 1 2 3 4 5 6 7 8 9 10

200% 1 1 2 2 3 3 4 4 5 5

<Example> Reduction

100% 1 2 3 4 5 6 7 8 9 10

50% 1 3 5 7 9

Fig. 7-304

(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.

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November 2003 © TOSHIBA TEC 7 - 7 e-STUDIO3511/4511 IMAGE PROCESSING