Junfeng ZhangIoT LoRaWAN Payload DecodingIoT devices typically transmit data over a long distance with limited power available. LoRaWAN protocol is design for this purpose. It also…Oct 15, 2023Oct 15, 2023
Junfeng ZhangGeneral Regression Neural Network (GRNN) Illustrated in ExcelUnlike other popular Machine Learning algorithms, there is not as much content on the Internet for beginners on General Regression Neural…Sep 4, 2023Sep 4, 2023
Junfeng ZhangParameter Redundancy in Large Language ModelsYou can achieve good performance with smaller models.Jul 30, 2023Jul 30, 2023
Junfeng ZhangEmbeddings — everything can be a vectorTo computers, everything is numeric. Any object can be a vector for computers to process. Here I mean any. An image, a piece of music, a…Jul 22, 2023Jul 22, 2023
Junfeng ZhangVideo Classification using Convolution + RNNThis article explores how to perform video classification using CNN+RNN models. The use case here is to have a system to monitor the driver…May 18, 2023May 18, 2023
Junfeng ZhangAffine Transformation — why 3D matrix for a 2D transformationAssumption: you know that basics of Linear Transformation by matrix multiplication. If not, 3Blue1Brown’s video is a great intro.Jan 15, 2023Jan 15, 2023