clear

close all

imtool close all

workspace;

fontsize = 16;

grayImage=imread("LorenVisaImage.png"

);

[rows, columns, numberofColorBands]=size(grayImage);

subplot(1,2,1)

imshow(grayImage)

title("Original

Image",'FontSize',fontsize)

set(gcf,'Position',get(0,'Screensize' ))

message=sprintf("Hold the Left Click and Draw the Boundary . When you are finished, lift the click");

uiwait(msgbox(message)) hfH=drawfreehand(); binaryImage=hfH.createMask();

maskedRgbImage = bsxfun(@times,

grayImage, cast(binaryImage, 'like',

grayImage));

maskedRgbImage(~maskedRgbImage) =

255;

subplot(1,2,2);

imshow(maskedRgbImage,[])

title("Image with Removed Background",'FontSize',fontsize)

that's a matlab can you explain it