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Select only object from a image and display it to another window with transperent background

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  • jsulmJ jsulm

    @swansorter In your other thread it was already mentioned that there is nothing in Qt for such use cases. You have to look for some libraries for image recognition.

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    swansorter
    wrote on last edited by
    #5

    @jsulm is it possible make image background transparent

    jsulmJ 1 Reply Last reply
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    • S swansorter

      @jsulm is it possible make image background transparent

      jsulmJ Offline
      jsulmJ Offline
      jsulm
      Lifetime Qt Champion
      wrote on last edited by
      #6

      @swansorter What exactly do you mean: that parts of your image is transparent or whole image?

      https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • jsulmJ jsulm

        @swansorter What exactly do you mean: that parts of your image is transparent or whole image?

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        swansorter
        wrote on last edited by swansorter
        #7

        @jsulm i want to make background of the image transparent (like background subtraction)
        part of the image only

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        • jsulmJ jsulm

          @swansorter What exactly do you mean: that parts of your image is transparent or whole image?

          S Offline
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          swansorter
          wrote on last edited by swansorter
          #8
          This post is deleted!
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          • jsulmJ jsulm

            @swansorter What exactly do you mean: that parts of your image is transparent or whole image?

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            swansorter
            wrote on last edited by swansorter
            #9

            @jsulm like this
            input image:-
            WHITE-WHOLES-180(2).png
            output image :-
            WHITE-WHOLES-180_2_-removebg-preview.png

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            • jsulmJ jsulm

              @swansorter What exactly do you mean: that parts of your image is transparent or whole image?

              S Offline
              S Offline
              swansorter
              wrote on last edited by
              #10

              @jsulm is it possible

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              • S swansorter

                @jsulm is it possible

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                jsulm
                Lifetime Qt Champion
                wrote on last edited by
                #11

                @swansorter Yes. See https://doc.qt.io/qt-5/qtwidgets-painting-composition-example.html example (flower.jpg + flower_alpha.jpg)

                https://forum.qt.io/topic/113070/qt-code-of-conduct

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                • jsulmJ jsulm

                  @swansorter Yes. See https://doc.qt.io/qt-5/qtwidgets-painting-composition-example.html example (flower.jpg + flower_alpha.jpg)

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                  swansorter
                  wrote on last edited by
                  #12

                  @jsulm it converts whole image to transperent

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                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #13

                    Hi,

                    Learn OpenCV and do background removal as explained there.

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                    • SGaistS SGaist

                      Hi,

                      Learn OpenCV and do background removal as explained there.

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                      swansorter
                      wrote on last edited by
                      #14

                      @SGaist cross compiling opencv+qt showing error.so i decided do it manually

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