Lossless compression

Lossless compression
An image-compression scheme, such as TIFF, that preserves all image detail. When the image is decompressed, it is identical to the original version.
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Lossless compression. When an image compressed with lossless compression is uncompressed, its image quality matches the original source—nothing is lost.

Lossless Compression
Lossless compression is similar to what WinZip does. For instance, if you compress a document into a ZIP file and later extract and open the document, the content will of course be identical to the original.

Lossless compression
Reduces the size of files by creating an internal shorthand that rebuilds the data as it originally were before the compression. Thus, it is said to be non-destructive to image data when used.

Lossless compression - A type of file compression that reduces file size without losing image date. PNGs and GIFs are common lossless file formats.

lossless compression:
This compression format minimizes the size of files by creating an internal shorthand, which restores the image to its original state before compression.
lossy compression: ...

lossless compression
a compression technique that will retain all of the file's original image characteristics. The perfect lossless compression technique remains elusive.

Lossless Compression
Software algorithms (and accompanying file formats) used for reducing files sizes were data is not discarded during compression and can be fully restored when decompressed.

lossless compression
A compression algorithm that reduces a file size but does not lose any information. The uncompressed image is identical to the original.
lossy compression ...

Lossless compression - used by a file format such as TIFF - does not discard any of the original image information and retains an exact copy of the photo.

Lossless compression; supported by PDF and TIFF file formats. Like LZW, ZIP compression is most effective for images that contain large areas of single color.
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Lossless compression merely works to organize the data in a picture in a more space-efficient order.
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Lossless compression is exactly that: it saves half your space and restores every exact bit.
JPGs ...

A lossless compression file format thats ideal for digital photography.
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LZW - Lossless compression when storing images. The file size is much larger than a "lossy" compressed image (like a JPEG), but no image data is lost, resulting in the highest-possible quality in the stored image.

ZIP encoding is a lossless compression technique supported by the format of PDF file. For images that contain large areas of single color, LZW, ZIP compression is most effective way to store it.
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TIFF is a form of lossless compression. This means that when an image file is TIFF formatted, none of the original information is lost. Consequently, exact replicas of the original can be made from TIFF files.

The compression technology used by WMP is "smart" in that it supports both lossy as well as lossless compression since it is possible to process only part of a large picture file to show a smaller version.

Lossless compression has the advantage that no data is lost. So, lossless compression does not degrade the quality of images. The downside of lossless is that it can not be compressed as much as lossy.

Lossless compression is applied to reduce file size slightly without compromising any quality. RAW image files must be processed with special software before they can be viewed or printed.

Video formats focus less on lossless compression and more on conveying video appropriate to different software types.

Modern systems tend to store the data digitally, often with lossless compression. The difficulty with this approach is that the data is fragile, the format may be archaic, and the data may be easy to falsify.

There are some instances where a camera manufacturer may compress the RAW data, but in most cases will use lossless compression. This means that although the data is compressed, when decompressed there is no file degradation due to the compression.

The RAW file format uses a lossless compression, and so it does not suffer from the compression artifacts visible with "lossy" JPEG compression.

First it's more efficient, meaning smaller files for similar qualty, second it's capable of lossless compression, meaning no loss of quality or generation of artifacts.

It is a file format with good, lossless compression for images with low color depth (up to 256 different colors per image).

TIFF stands for Tagged Image File Format, and it can be a lossless compression format.

TIFF is an industry standard non-compressed (or light lossless compression using the LZH protocol) file format. It produces giant files, though.

Then when the images are transferred to your PC, resave them to either uncompressed format such as TIFF or lossless compression file format such as PNG. PNG stands for Portable Network Graphics.

Developed as a patent-free alternative to GIF, this format is used for lossless compression for the purposes of displaying images on the World Wide Web.

STN reduces file size by half via lossless compression, so you can store all your images in STN format and then open any of them to any desired size-no need to save and keep track of high-res versions at all needed sizes.

Tagged image File Format. A popular digital format that uses lossless compression.
TTL
Through The Lens metering, i.e. TTL metering.

Loop lighting is flattering for many types of faces. Find out more.Lossless Compression A method for reducing the size of a photographic file so that when it is uncompressed, the resulting image matches the quality of the original source.

"Google Page Speed Online" by Google Labs, informs you when you need to cache static objects, compress (gzip/deflate) objects, minify CSS/JS, use lossless compression on images, ...

RAW - RAW files basically hand the raw unprocessed data - at 12 bits per channel - from the camera's imaging chip to your computer. Lossless compression is applied to reduce filesize slightly without compromising any quality.

PNG
Portable Network Graphics. A lossless compression file format used for storing images.

A method of image compression where there is no loss in quality when the image is uncompressed. The uncompressed image is mathematically identical to its original. Lossless compression is usually lower in compression radio than lossy compression.

Lossy compression (JPEG is an example) can result in visible degradation of image quality, especially when saving the same image as a JPEG multiple times, because some image data is lost in each compression process. Lossless compression (like LZW ...

Resolution - Usually the default settings here are good enough.
Compression - This option appear when TIFF is set for file format. ZIP is a lossless compression method that is most effective for images that contain large areas of single color.

Lossless compressions can be achieved with compression ratios of up to 5 to 1. Files that are compressed may be identified by the file extension ".JPG." HARDCOPY OUTPUT A number of methods for making digital photographs are used.

See also: Compression, Lossless, Image, Digital, Format