Tone Mapping
Tone mapping is a technique in computer graphics and image processing used to map high dynamic range (HDR) images or scenes to a lower dynamic range suitable for display on standard devices, such as monitors or printers. It adjusts the luminance and color values to preserve details in both bright and dark areas, preventing loss of visual information. This process is essential for realistic rendering in applications like video games, photography, and film production.
Developers should learn tone mapping when working with HDR content, such as in game development, virtual reality, or digital cinematography, to ensure images appear natural and detailed on standard displays. It is crucial for real-time rendering engines, like those in Unity or Unreal Engine, to handle lighting and shadows effectively. Additionally, it's used in photo editing software to enhance HDR photos and in computer vision for preprocessing images.