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"AVIF: Creating a new image format in the open" by Jon Bauman (Strange Loop 2022)
Discover the new open image format AVIF, designed for high-efficiency compression and comparable image quality to JPEG, with features like HDR support, wider color gamut, and metadata capabilities.
- AVIF is an open image format based on the AV1 video codec.
- The format was created to address the limitations of existing formats like PNG and JPEG.
- AVIF is designed to be a high-efficiency format, offering better compression and comparable image quality to JPEG.
- The format has a color gamut twice as wide as sRGB, allowing for more accurate color representation.
- AVIF supports HDR and can produce images with up to 12 bits of color precision.
- The format also supports metadata and ICC profiles for color space management.
- AVIF uses the YUV color model for its color primaries, which are closer to the display’s native color space.
- The format provides color transformations, such as rotation, mirroring, and cropping, to ensure compatibility with existing images.
- Implementing AVIF was a complex process that required collaboration with the AOM group and other stakeholders.
- Firefox and Chrome both implemented AVIF, with Firefox providing a default implementation in Firefox 93.
- AVIF is already being used in some production environments, and its adoption is expected to grow.
- The format’s high compression efficiency and support for HDR make it an attractive option for applications where image quality is important.
- AVIF has potential for further optimization and improvement, with ongoing efforts to address existing limitations.
- The format’s open nature and collaboration with different stakeholders will help to drive its continued development and adoption.