An Extensive Study on Medical Image Security with ROI Preservation: Techniques, Evaluations, and Future Directions

In the current era of digitization, the worldwide healthcare service is a common practice; it enables the remote healthcare service with proper digits: diagnosis and medication. The main thread for the about service is the security confidentiality and integrity of personal information of a patient. Many techniques are followed for privacy preservation in image information with descriptive aspects; however, more such strategies need to analyze and devolve for better accuracy and performance. This paper has given a broad overview of deferment techniques, their performance, and some future directions for ROI preservation in medical images.