Compression artifact and JPEG

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Difference between Compression artifact and JPEG

Compression artifact vs. JPEG

A compression artifact (or artefact) is a noticeable distortion of media (including images, audio, and video) caused by the application of lossy compression. JPEG is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography.

Deblocking filter

A deblocking filter is a video filter applied to decoded compressed video to improve visual quality and prediction performance by smoothing the sharp edges which can form between macroblocks when block coding techniques are used.

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Generation loss

Generation loss is the loss of quality between subsequent copies or transcodes of data.

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High Efficiency Video Coding

High Efficiency Video Coding (HEVC), also known as H.265 and MPEG-H Part 2, is a video compression standard, one of several potential successors to the widely used AVC (H.264 or MPEG-4 Part 10).

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JPEG

JPEG is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography.

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JPEG 2000

JPEG 2000 (JP2) is an image compression standard and coding system.

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Lossless compression

Lossless compression is a class of data compression algorithms that allows the original data to be perfectly reconstructed from the compressed data.

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Lossy compression

In information technology, lossy compression or irreversible compression is the class of data encoding methods that uses inexact approximations and partial data discarding to represent the content.

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Macroblock

Macroblock is a processing unit in image and video compression formats based on linear block transforms, such as the discrete cosine transform (DCT).

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Moving Picture Experts Group

The Moving Picture Experts Group (MPEG) is a working group of authorities that was formed by ISO and IEC to set standards for audio and video compression and transmission.

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MP3

MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is an audio coding format for digital audio.

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Portable Network Graphics

Portable Network Graphics (PNG, pronounced or) is a raster graphics file format that supports lossless data compression.

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Quantization (image processing)

Quantization, involved in image processing, is a lossy compression technique achieved by compressing a range of values to a single quantum value.

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Sony

is a Japanese multinational conglomerate corporation headquartered in Kōnan, Minato, Tokyo.

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Spatial frequency

In mathematics, physics, and engineering, spatial frequency is a characteristic of any structure that is periodic across position in space.

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