# Battery-Free Pork Freshness Estimation Based on Colorimetric Sensors and Machine Learning

> Research article (Applied Sciences, 2023) · cited 18× · AI/ML

**Wikidata**: [openalex:W4365514188](https://www.wikidata.org/wiki/openalex:W4365514188)  
**Source**: https://4ort.xyz/entity/battery-free-pork-freshness-estimation-based-on-colorimetric-sensors-and-machine-learning