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CNBC AI News – After a remarkable 22-year wait, the PNG image format is set to receive a significant upgrade with the release of its 3.0 specification, bringing the venerable format into the modern era.
The revamped 3.0 version boasts three key, user-friendly features poised to enhance the visual experience: support for APNG (Animated PNG) dynamic images, High Dynamic Range (HDR) capabilities, and integration of Exif metadata.
The seeds of APNG were sown in 2004 and 2005, with Mozilla leading the charge in refining this innovative format. APNG cleverly fused the strengths of PNG with the dynamic capabilities of GIFs, allowing for high-quality, animated visuals.
While early browser adoption came with Firefox 3 in 2007, APNG faced a hurdle. The PNG development group, prioritizing static image format, initially refused to formally integrate APNG. Despite this setback, APNG garnered support from major players such as Safari, Chrome, and Edge.
Now, PNG 3.0 embraces APNG, adhering to the established Mozilla documentation. This ensures seamless compatibility with existing content and implementations over the last decade.
It’s worth noting that APNG is essentially an extension of the PNG format, offering animation capabilities while still leveraging PNG’s core structure.
Beyond animation, the new specification also introduces support for HDR and Exif metadata. HDR technology provides a widened spectrum of luminosity, so imagery can showcase enhanced realism with fine details and true-to-life colors, even in highly contrasted lighting conditions.
Exif metadata, meanwhile, acts as a digital record, capturing critical details such as capture time, camera model, and shooting parameters. This data proves invaluable for image management and post-production workflows, providing a richer understanding of the image’s origins.
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