https://www.bryter-global.com/blog/facial-coding-a-useful-tool-for-market-research
Facial Coding: A useful tool for market research?
Expert analysis of the value of facial coding in market research to map emotions
facial codinguseful toolmarketresearch
https://www.ideals.illinois.edu/items/82496
Real-Time Head and Facial Motion Analysis for Model-Based Video Coding | IDEALS