Raw Image Format

Raw Image Format

A camera raw image file contains minimally processed data from the image sensor of either a digital camera, image scanner, or motion picture film scanner. Raw files are so named because they are not yet processed and therefore are not ready to be printed or edited with a bitmap graphics editor. Normally, the image is processed by a raw converter in a wide-gamut internal colorspace where precise adjustments can be made before conversion to a "positive" file format such as TIFF or JPEG for storage, printing, or further manipulation, which often encodes the image in a device-dependent colorspace. There are dozens if not hundreds of raw formats in use by different models of digital equipment (like cameras or film scanners).

Raw image files are sometimes called digital negatives, as they fulfill the same role as negatives in film photography: that is, the negative is not directly usable as an image, but has all of the information needed to create an image. Likewise, the process of converting a raw image file into a viewable format is sometimes called developing a raw image, by analogy with the film development process used to convert photographic film into viewable prints. The selection of the final choice of image rendering is part of the process of white balancing and color grading.

Like a photographic negative, a raw digital image may have a wider dynamic range or color gamut than the eventual final image format, and it preserves most of the information of the captured image. The purpose of raw image formats is to save, with minimum loss of information, data obtained from the sensor, and the conditions surrounding the capturing of the image (the metadata).

Read more about Raw Image Format:  Rationale, File Contents, Benefits, Drawbacks, Software Support, Standardization, Processing, Annotated List of File Extensions

Other articles related to "image, images, raw image format, raw image, raw":

Image Segmentation
... In computer vision, image segmentation is the process of partitioning a digital image into multiple segments (sets of pixels, also known as ... The goal of segmentation is to simplify and/or change the representation of an image into something that is more meaningful and easier to analyze ... Image segmentation is typically used to locate objects and boundaries (lines, curves, etc.) in images ...
Moving Image
... A moving image is typically a movie (film), or video, including digital video ... It could also be an animated display such as a zoetrope ...
Coolpix S10 - RAW Image Format
... The following Coolpix cameras support RAW image files 5000 (discontinued) - NEF fbr />1/2.7"
Raw Image Format - Annotated List of File Extensions
... .pef.ptx (Pentax).pxn (Logitech).R3D (RED).raf (Fuji).raw.rw2 (Panasonic).raw.rwl.dng (Leica).rwz (Rawzor).srw (Samsung).x3f (Sigma) ...

Famous quotes containing the words raw and/or image:

    Everybody in America is soft, and hates conflict. The cure for this, both in politics and social life, is the same—hardihood. Give them raw truth.
    John Jay Chapman (1862–1933)

    The first moments of sleep are an image of death; a hazy torpor grips our thoughts and it becomes impossible for us to determine the exact instant when the “I,” under another form, continues the task of existence.
    Gérard De Nerval (1808–1855)