Chen, Jia, Qi’an Ding, Wen Yao, Mingxia Shen, and Longshen Liu. 2023. “Fine-Grained Detection of Caged-Hen Head States Using Adaptive Brightness Adjustment in Combination With Convolutional Neural Networks”. International Journal of Agricultural and Biological Engineering 16 (3):208-16. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/7507.