view and save depth map after retrieveMeasure about zed-sdk HOT 5 CLOSED

Hey,
refer to the OpenCV sample if you have any doubts for the 1st part.
https://github.com/stereolabs/zed-opencv/blob/master/src/main.cpp
I think you code is correct, why don't you test it yourself? Maybe scale the tmp_cv because it has values between 0 and 20+ and it should be between 0 and 1 for cv::imshow.

Second part is not related to ZED, but OpenCV.

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Hi,
Depending on what you want to do, but purely for visualizing the depth map you should use retrieveImage(depthIm, sl::VIEW_DEPTH). It will output a normalized (i.e. scaled) 8-bit 4C depth image. Please note that your cv::Mat should be a CV_8UC4 in that case.
Your code seems correct otherwise.

Edit: VIEW_DEPTH is actually a 4 channels image

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@WASCHMASCHINE @adujardin thanks for your replies. Is there a way to save these images in a video or as images ? well as it seems the videoWriter doesnt support 32 bits in a single channel and when I saved images with openEXR format, they were only 640bits in size which doesn't make sense. Also, I couldn't open the images with the tool IrfanView which supports openEXR format. @adujardin yes I could visualize the data, but that's not what I want. I need the 32bit depth data.

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Hi there, any idea why the error: error: no matching function for call to ‘sl::Camera::retrieveMeasure is failing? This is for the deep sensing example.
/home/bpinaya/Documents/gitrepos/zed-examples/depth sensing/src/main.cpp: In function ‘void run()’: /home/bpinaya/Documents/gitrepos/zed-examples/depth sensing/src/main.cpp:108:85: error: no matching function for call to ‘sl::Camera::retrieveMeasure(sl::Mat&, sl::MEASURE, sl::MEM, int&, int&)’ zed.retrieveMeasure(point_cloud, MEASURE_XYZRGBA, MEM_GPU, width, height); ^ In file included from /home/bpinaya/Documents/gitrepos/zed-examples/depth sensing/src/main.cpp:32:0: /usr/local/zed/include/sl/Camera.hpp:641:20: note: candidate: sl::ERROR_CODE sl::Camera::retrieveMeasure(sl::Mat&, sl::MEASURE, sl::MEM) ERROR_CODE retrieveMeasure(Mat &mat, MEASURE measure = MEASURE_DEPTH, MEM type = MEM_CPU); ^ /usr/local/zed/include/sl/Camera.hpp:641:20: note: candidate expects 3 arguments, 5 provided CMakeFiles/ZED_Depth_Sensing.dir/build.make:86: recipe for target 'CMakeFiles/ZED_Depth_Sensing.dir/src/main.o' failed make[2]: *** [CMakeFiles/ZED_Depth_Sensing.dir/src/main.o] Error 1 CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/ZED_Depth_Sensing.dir/all' failed make[1]: *** [CMakeFiles/ZED_Depth_Sensing.dir/all] Error 2 Makefile:83: recipe for target 'all' failed make: *** [all] Error 2

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Hi @bpinaya,
You should update your ZED SDK to 2.1
You're probably using 2.0 and the size option with the retrieve functions was introduced later.

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