Weina's writing

My academic and technical writing

Critical Technical Practice for Responsible Medical Image Analysis

Convolution is one of the most mysterious words for a novice deep learner. It is just a fancy operation of the weighted sum.

17 min read · July 13, 2026

2026 · research
Nested cross validation explained

Using two-round cross validation for model selection and performance evaluation.

7 min read · August 25, 2018

2018 · technical
A friendly introduction to Convolutional in CNN

Convolution is one of the most mysterious words for a novice deep learner. It is just a fancy operation of the weighted sum.

15 min read · August 05, 2018

2018 · technical