MATLAB Answers

Convert ROS greyscale image msg in Simulink

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Michele Mondini
Michele Mondini on 21 Feb 2018
Answered: Tohru Kikawada on 2 May 2019
Hi everyone,
I'm trying to convert a 320x240 greyscale image from Gazebo into Simulink (R2016b). Currently I was able to convert a 640x480 RGB image thanks to this previous answer. However,if I switch to different size (320x240 RGB) or if I only change the image format (640x480 GREYSCALE) I'm not able to perform a correct conversion anymore. The problem is that the input data bus size doesn't change accordingly after the new gazebo image format and dimensions setup (I double checked the size of the source image with rostopic echo ).
Where can be the error? Any suggestion? Thanks in advance

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Answers (1)

Tohru Kikawada
Tohru Kikawada on 2 May 2019
Try this Read Image block in Robotics System Toolbox. https://mathworks.com/help/robotics/ref/readimageblock.html

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