This study systematically investigates the impact of image enhancement techniques on Convolutional Neural Network (CNN)-based Brain Tumor Segmentation. focusing on Histogram Equalization (HE). Contrast Limited Adaptive Histogram Equalization (CLAHE). and their hybrid variations. https://www.bekindtopets.com/deal-alert-NHL-Winnipeg-Jets-Distressed-iPhone-13-Pro-Max-MagSafe-Case-p96268-great-save/