The picture high quality of movies has risen steadily in latest many years. However greater high quality additionally means bigger volumes of knowledge to be transferred. There are numerous causes for this, together with adjustments in viewer expectations and habits as playback units proceed to enhance. This places rising stress on each prices and time within the manufacturing {of professional} TV and movie content material, even because the variety of media channels and platforms will increase. Even VR headsets or industrial functions from machine imaginative and prescient to autonomous driving have real-time necessities that typical video codecs continuously can not meet.
To resolve this problem effectively—not solely by way of the accessible {hardware} but additionally with a watch to power and sources—and above all, in as near actual time as potential, a group of researchers headed by Siegfried Fössel, Joachim Keinert and Thomas Richter from Fraunhofer IIS developed JPEG XS as a brand new ISO commonplace.
Improvement of JPEG XS as a brand new ISO commonplace
Superior-quality skilled movies was transferred with out compression through particular interfaces equivalent to serial digital interface (SDI), CoaXPress or low-voltage differential signaling (LVDS), which requires a point-to-point reference to coaxial or twisted pair cables. The stringent high quality necessities made it not possible to compress the info with out compromising excessive information charges. Complicated transmission protocols have been prevented. This resulted in switch factors with highly effective converters to Ethernet computer systems, which slowed down workflows.
“Conventional MPEG codecs aren’t appropriate for this software, since they’re geared towards excessive compression charges and acceptable high quality. Against this, JPEG XS was designed as an expert compression codec—recognized within the discipline as a mezzanine codec—to permit the switch of high-quality movies as much as 8k in manufacturing high quality through Web Protocol, or IP,” explains Keinert, who manages the Computational Imaging group at Fraunhofer IIS.
JPEG XS significantly accelerates the encoding and decoding of photos. In movie and TV manufacturing, JPEG XS allows environment friendly and above all fast switch and processing of picture content material, which addresses the mounting value and time stress concerned in media manufacturing.
“Low latency and excessive parallelizability make JPEG XS a super software for multi-stage processing of video indicators in actual time. The codec is optimized for visually lossless compression. It helps colour depth from 12 to 16 bits per colour element, which implies even video indicators with excessive dynamic vary will be transferred,” says Richter, Chief Scientist at Fraunhofer IIS.
With an in depth software program and patent portfolio, Fraunhofer IIS has established an internationally acknowledged commonplace. “The brand new commonplace was developed as a visually lossless codec that particularly considers the circumstances of high-quality video switch. Because of its thoughtfully designed algorithms, JPEG XS will be built-in into present pc programs and may switch high-resolution photos through a low-cost Ethernet interface with none seen lag.
“This community expertise is widespread, facilitating seamless integration into present infrastructure,” notes Siegfried Fössel, head of the Transferring Image Applied sciences division at Fraunhofer IIS.
Varied functions
Along with its distinctive place as a expertise for transmission of superior-quality photos, JPEG XS additionally provides enormous financial benefits for studio expertise and different fields, equivalent to machine imaginative and prescient and automotive functions. Within the discipline of autonomous driving particularly, JPEG XS reveals vital benefits in that the info price for digital camera networking is decreased with out adversely affecting analytical efficiency. The event and standardization of JPEG XS by Fraunhofer IIS, along with the intensive patents, will type a steady foundation for the codec’s additional growth and industrial software.
All this makes JPEG XS a forward-looking expertise that, because of its real-time transmission functionality and top quality at excessive information charges, has the potential to significantly increase the marketplace for skilled video transmission and functions within the automotive trade, VR/AR and machine imaginative and prescient.
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JPEG XS: Ahead-looking commonplace for skilled all-IP video manufacturing (2025, June 5)
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