PNPriyank naikinpriyankblogs.hashnode.dev·Dec 3, 2025 · 8 min readHow I Improved My Brain Tumor Detection Model Using Transfer Learning and OptunaBrain Tumor Detection is one of the most popular deep learning problems. I had already worked on this task earlier using basic preprocessing and transfer learning. At that time, my pipeline was simple. I used contour detection to crop only the tumor ...00