pictures below are gamma 0, 25, 50, 100 taken by mobile phone <img width="4608" height="3456" alt="Image" src="https://github.com/user-attachments/assets/85d6479c-47cb-4294-b9a6-dbdb4f7e3415" /> <img width="4608" height="3456" alt="Image" src="https://github.com/user-attachments/assets/12b99e50-d660-4e37-8c9f-67de9f6696be" /> <img width="4608" height="3456" alt="Image" src="https://github.com/user-attachments/assets/dfe65f4d-77d1-4929-8301-8a040118debf" /> <img width="4608" height="3456" alt="Image" src="https://github.com/user-attachments/assets/c07f493e-26bb-4eda-9184-f650846c2929" />
pictures below are gamma 0, 25, 50, 100 taken by mobile phone