Using Region Props To Find Area of Interest

Hello, i'm using these line of code to extract area of interest in my image,

bw = imbinarize(Image)
info_struct = regionprops(double(bw), 'Area', 'Image');
final = info_struct.Image;

i do so in hope to produce image from this image

into this

But instead it produced an image like this

can anyone please help me ?