how to plot a point in the original image

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chitra s
chitra s 2015-7-7
回答： Shiran Golan 2015-7-7
sir, i have an original image size of 67 x 87, i divide that image into horizontal direction in size of 34 x 87 and again divide that image into two colums as size of 34 x 44 each. then i plot the point in each sub divided images such as one point is (19,19) and other is (30,19) .now i want to plot the same point in my original image ie.,size of 67 x 87.how to illustrate this?

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Shiran Golan
Shiran Golan 2015-7-7
If I understand your process, you have 4 images splited from one. Now you can find the wanted index for each of the images using the shift of its origin from the original image origin(upper left corner of the image). For example, the origin of the lower left 34 x 44 divided image should be 33 from the top of the original image and no shift in the column - (34,0). This makes the point (19,19) to be (53,19) of the original image.

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