matlab program to remove background of bounding boxes.

iam new to matlab. iam detected the persons using bounding boxes.now i need to removal of back ground of bounding boxes.my images are like this.my back ground is constant.i used below code

    if true
      % code
    end

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[Image Analyst]

The background (behind the person) does not look constant to me. It looks cluttered.

Answer 1

[Dima Lisin]

Try using the Image Segmenter app.