Post-secondary classroom teaching quality evaluation using small object detection model
Rui Wang,
Shaojie Chen,
Gang Tian
et al.
Abstract:The classroom video has a complex background and dense targets. This study utilizes small object detection technology to analyze and evaluate students’ behavior in the classroom, aiming to objectively and accurately assess classroom quality. Firstly, noise is removed from the images using a median filter, and the contrast of the images is enhanced through histogram equalization. Label smoothing is applied to reduce the model’s sensitivity to labels. Then, features are extracted from the preprocessed images, an… Show more
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