Reinforcement learning : How to define custom environment with multiple image based observations

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Dr. Ali Peker 2021-3-14

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https://ww2.mathworks.cn/matlabcentral/answers/772788-reinforcement-learning-how-to-define-custom-environment-with-multiple-image-based-observations

评论： DAMODARAN B.K 2021-5-23

Hi,

I am trying to create a custom agent with image based observations. How can assign an image to rlNumericSpec.

I have created ObservationInfo as follows since the image is 320X180. Normally the image is RGB even if I converted to gray I do not know how to assign in to ObservationInfo in the customer reset and step functions.

ObservationInfo = rlNumericSpec([320 180]);

Even if I solve this I require RGB images and later on more than one images.

Any ideas?

Best regards

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Answer 1

Emmanouil Tzorakoleftherakis 2021-3-18

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https://ww2.mathworks.cn/matlabcentral/answers/772788-reinforcement-learning-how-to-define-custom-environment-with-multiple-image-based-observations#answer_650897

在 MATLAB Online 中打开

For grayscale images, take a look at this example. For rgb, maybe the following would work

ObservationInfo = rlNumericSpec([320 180 3]);

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Dr. Ali Peker 2021-3-19

编辑：Dr. Ali Peker 2021-3-19

Thank you I have converted the image using im2double in custom reset and step functions. for RGB I have used [180 320 3] it works.

DAMODARAN B.K 2021-5-23

from visualiser plot how did you take images?

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