Consider this as a beginner’s tutorial to Matlab image processing. Read the documentation of the commands used and try and understand what they are doing and why. 1. Read the image Use imread to read the image into a 3D matrix. For convenience, we convert it to double in the range [0..1] using im2double: >> … Read more
Introduction This question is about how to detect the dimensions of an object under an angle in a picture using MATLAB. MATLAB is a powerful tool for image processing and can be used to detect the dimensions of an object in a picture. In this article, we will discuss how to use MATLAB to detect … Read more
This problems is a binary segmentation problem. In a sense you learn a mapping from satellite images and predict for each pixel, iff this pixel is part of the road. A simple algorithm to do this would be to check if the pixel color is part of some range. A CNN naturally will learn you … Read more
Why don’t you simply use regionprops with ‘Image’ property? img = imread(‘http://i.stack.imgur.com/zpYa5.png’); %// read the image bw = img(:,:,1) > 128; %// conver to mask Use some minor morphological operations to handle spurious pixels dbw = imdilate(bw, ones(3)); lb = bwlabel(dbw).*bw; %// label each character as a connected component Now you can use regionprops to … Read more