부산대학교 도서관

Highlights •A preprocessing of bloodstain dataset. The background of the photo of bloodstain was removed using the Otsu method technique to better highlight the characteristics of the bloodstains. (see Section 4).•A feature analysis for bloodstains with five different characteristics related to bloodstains such as the bloodstain’s angle, shape, major and minor axis lengths, and the overall bloodstain distribution. (see Section 5).•An ML-based classification framework with three ML models such as the CNN, Decision Tree, and Random Forest. (see Section 6).