specific image stretching to chosen size

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Neil Rooze 2020 年 3 月 12 日

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回答済み: Pranjal Kaura 2021 年 7 月 30 日

How do i strech the 4th image so that only the RGB part is 300 x 300. i want the black bit deleted. 

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KALYAN ACHARJYA 2020 年 3 月 13 日

Can you clarify more?

Neil Rooze 2020 年 3 月 13 日

The last picture i want to stretch it like in the picture below. so it is a perfect square. (the read arrows are the stretching direction until it reaches the marked square)

thank you.

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Pranjal Kaura 2021 年 7 月 30 日

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Hey Neil,

It is my understanding that you want to rescale(stretch) the 4th image such that only a selected portion (RGB part of the image) is displayed on the predefined axis.

A possible workaround could be:

Accessing the 4th location in the plot by using the subplot function. For your example you can use "subplot(1, 4, 4)" to access the 4th location.
Rescaling the image by changing the 'Xdata' and 'Ydata' property of the 'imshow' function.
Use the 'imcrop' function to crop out the required part of the image.