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This conversion is sometimes referred to as developing a raw image (by analogy with the process of film development) since it renders raw image sensor data (a "digital negative") into a viewable form. A number of other image processing programs use dcraw internally to enable them to read raw files. Development of dcraw began on February 23, 1997.
Normally, the image is processed by a raw converter, in a wide-gamut internal color space where precise adjustments can be made before conversion to a viewable file format such as JPEG or PNG for storage, printing, or further manipulation. There are dozens of raw formats in use by different manufacturers of digital image capture equipment.
The following cameras allow audio and video to be shot in at least one raw (in the sense of a series of raw image format frames, such as in CineDNG) format. Lossy compression may be present. However, "raw" means the image data should not have gone through demosaicing and further processing, or at least the process should be reversible.
High Efficiency Image File Format (HEIF) is a digital container format for storing individual digital images and image sequences. The standard covers multimedia files that can also include other media streams, such as timed text, audio and video.
All stages of CinemaDNG workflow are performed on NVIDIA GPU to get very fast RAW image processing, including Blackmagic CinemaDNG files. 4K footage could be processed and played smoothly at full resolution (without proxies) in realtime. CinemaDNG Player, Converter, Editor, Denoiser, Compressor and Trimmer on CUDA. [24]
NEF – Nikon camera raw format; photos have this on some Nikon cameras if the quality RAW is selected in camera settings; NITF – A U.S. Government standard commonly used in Intelligence systems; OTB – Over The Air bitmap, a specification designed by Nokia for black and white images for mobile phones; PBM – Portable bitmap
Digital Negative (DNG) is an open, lossless raw image format developed by Adobe and used for digital photography.It was launched on September 27, 2004. [1] The launch was accompanied by the first version of the DNG specification, [2] plus various products, including a free-of-charge DNG converter utility.
The raw output of Bayer-filter cameras is referred to as a Bayer pattern image. Since each pixel is filtered to record only one of three colors, the data from each pixel cannot fully specify each of the red, green, and blue values on its own.