How to fill bounding boxes in image?

Question

How to fill region inside bounding box with white and outside with black i? case of one bbx or many bounding boxes for one image.

Answer 1

The solutions are:

 %%1)roi=[2.262763419483102e+02 2.55 11.593499005964213e+01 8.558429423459245e+01];%% bbBOx format is [ X Y Len Wid ] %% img( X:X+Len-1, Y:Y+Wid-1, : ) = 1; img = zeros(800,800,3); img( roi(1):roi(1)+roi(3)-1, roi(2):roi(2)+roi(4)-1, : ) = 1; imshow(img);

 %%2) img = zeros(500,500,3); img2=insertShape(imgg, 'FilledRectangle', [2.262763419483102e+02 2.55 11.593499005964213e+01 8.558429423459245e+01],'Color', {'white'}, 'Opacity', 1);

imshow(img2);