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Set custom projection matrix based on intrinsics params from SDF #293

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merged 4 commits into from
Dec 7, 2022

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iche033
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@iche033 iche033 commented Dec 1, 2022

🎉 New feature

Closes #288

Summary

This PR extends the camera sensor functionality to support custom projection matrix based on input instrinics values. Specifically, it reads the lens <instrinsics> params from SDF, builds the projection matrix from the input values using code ported from Gazebo-classic, and set the camera to use this custom projection matrix.

Expanded the camera intrinsics integration test to compare image output from cameras with different intrinsics values.

Checklist

  • Signed all commits for DCO
  • Added tests
  • Added example and/or tutorial
  • Updated documentation (as needed)
  • Updated migration guide (as needed)
  • Consider updating Python bindings (if the library has them)
  • codecheck passed (See contributing)
  • All tests passed (See test coverage)
  • While waiting for a review on your PR, please help review another open pull request to support the maintainers

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@github-actions github-actions bot added the 🌱 garden Ignition Garden label Dec 1, 2022
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codecov bot commented Dec 1, 2022

Codecov Report

Merging #293 (7a4eac4) into gz-sensors7 (306e92a) will increase coverage by 0.19%.
The diff coverage is 87.09%.

@@               Coverage Diff               @@
##           gz-sensors7     #293      +/-   ##
===============================================
+ Coverage        71.66%   71.85%   +0.19%     
===============================================
  Files               37       37              
  Lines             4665     4690      +25     
===============================================
+ Hits              3343     3370      +27     
+ Misses            1322     1320       -2     
Impacted Files Coverage Δ
src/CameraSensor.cc 79.02% <87.09%> (+1.31%) ⬆️
src/Sensor.cc 91.44% <0.00%> (+1.60%) ⬆️

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@scpeters
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scpeters commented Dec 1, 2022

note that we've also added <projection> tags to SDFormat in case users want to specify the projection values independently from the intrinsics:

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iche033 commented Dec 1, 2022

yeah I saw that. I can add that in once #289 is merged.

@scpeters
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scpeters commented Dec 1, 2022

yeah I saw that. I can add that in once #289 is merged.

sounds great; thanks

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@iche033 iche033 merged commit 2ec0200 into gz-sensors7 Dec 7, 2022
@iche033 iche033 deleted the set_intrinsics branch December 7, 2022 20:50
@iche033 iche033 mentioned this pull request Feb 9, 2023
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iche033 added a commit that referenced this pull request Feb 14, 2023
This PR allows users to specify custom camera projection using the <projection> values from SDF (in addition to <instrinscs>, see #293).

Also bumped sdformat dep version as it need gazebosim/sdformat#1203

---------

Signed-off-by: Ian Chen <[email protected]>
Co-authored-by: Alejandro Hernández Cordero <[email protected]>
ahcorde pushed a commit that referenced this pull request Sep 13, 2023
Closes #288

This PR extends the camera sensor functionality to support custom projection matrix based on input instrinics values. Specifically, it reads the lens <instrinsics> params from SDF, builds the projection matrix from the input values using code ported from Gazebo-classic, and set the camera to use this custom projection matrix.

Expanded the camera intrinsics integration test to compare image output from cameras with different intrinsics values.

Signed-off-by: Ian Chen <[email protected]>
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Camera sensor intrinsic parameters fx and fy are ignored
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