Choi's blog

This article is for personal use to review the way to web crawl images from different websites. Why Image Crawler? When I was studying object classifiers or detectors using deep learning methods, getting the right images to train was always the laborious part. Even though there are many existing image datasets that can be used, those sometimes did not have the object categories that I wanted or ..

This article is for personal use to review self-organizing map, which is an unsupervised learning technique. What is Self-organizing Map (SOM)? According to Wikipedia, we get the following definition about self-organizing map. A self-organizing map (SOM) or self-organizing feature map (SOFM) is an unsupervised machine learning technique used to produce a low-dimensional (typically two-dimensiona..