function comp = prctile_comp(imgs,prc)

    imgs_red = squeeze(imgs(:,:,1,:));
    imgs_green = squeeze(imgs(:,:,2,:));
    imgs_blue = squeeze(imgs(:,:,3,:));
    
    size(imgs_red)
    comp_red = prctile(imgs_red,prc,3);
    comp_green = prctile(imgs_green,prc,3);
    comp_blue = prctile(imgs_blue,prc,3);
    
    
    comp = cat(3,comp_red,comp_green,comp_blue);