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Asked: 2026-06-07T19:15:12+00:00

I am trying to send Iplimage to another program as a array of bytes

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I am trying to send Iplimage to another program as a array of bytes in c++/cli. The program needs to save the Iplimage as jpeg image. Let’s say the Iplimage is img which I am obtaing by cvQyeryFrame from an avi video file, I am returning img->imagedata to the other program. Does img->imagedata contain the header for the jpeg image to be saved or does it only contain the data. If it only contains the data, how can I include the header? I can save the image using cvSaveImage and then read it but there should be a more direct way (maybe cvEncodeImage? )

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1 Answer

  1. Editorial Team

    The data in the Iplimage is already decoded into own format of openCV (typically 8bit B,G,R) once it has been read from disk.

    The newer versions of opencv can encode/decode an image in memory, see imencode.

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