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Type of data compression
In information technology, lossy compression, or irreversible compression, is the class of data compression methods that uses inexact approximations and
Lossy_compression
Distortion of media caused by lossy data compression
compression artifact (or artefact) is a noticeable distortion of digital media (including images, audio and video) caused by the application of lossy
Compression_artifact
Compact encoding of digital data
the original representation. Any particular compression is either lossy or lossless. Lossless compression reduces bits by identifying and eliminating
Data_compression
Reduction of image size to save storage and transmission costs
generic data compression methods which are used for other digital data. Image compression may be lossy or lossless. Lossless compression is preferred
Image_compression
Computer format for digital audio
be uncompressed or compressed to reduce the file size, often using lossy compression. The data can be a raw bitstream in an audio coding format, but it
Audio_file_format
lossy data compression TurboQuant: online vector quantization algorithm for lossy compression of high-dimensional vectors for LLMs Video compression Adaptive-additive
List_of_algorithms
Lossy compression method for reducing the size of digital images
used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted
JPEG
Standardized means of organizing and storing digital images
uncompressed. If the data is compressed, it may be done so using lossy compression or lossless compression. For graphic design applications, vector formats are often
Image_file_format
Lossy texture compression scheme
Ericsson Texture Compression (ETC) is a lossy texture compression technique developed in collaboration with Ericsson Research in early 2005. It was originally
Ericsson_Texture_Compression
Data compression approach allowing perfect reconstruction of the original data
information. Lossless compression is possible because most real-world data exhibits statistical redundancy. By contrast, lossy compression permits reconstruction
Lossless_compression
Analysis of compression artifacts in digital data with lossy compression
(ELA) is the analysis of compression artifacts in digital data with lossy compression such as JPEG. When used, lossy compression is normally applied uniformly
Error_level_analysis
Foundation. LAME – Lossy compression (MP3 format). TooLAME/TwoLAME – Lossy compression (MP2 format). Musepack – Lossy compression; based on MP2 format
List_of_open-source_codecs
Digital audio format
encoded data. Concerning audio compression, which is its most apparent element to end-users, MP3 uses lossy compression to reduce precision of encoded
MP3
Texture compression algorithm
S3 Texture Compression (S3TC) (sometimes also called DXTn, DXTC, or BCn) is a group of related lossy texture compression algorithms originally developed
S3_Texture_Compression
Computer graphics algorithm
Adaptive scalable texture compression (ASTC) is a lossy block-based texture compression algorithm developed by Jørn Nystad et al. of ARM Ltd. and AMD
Adaptive scalable texture compression
Adaptive_scalable_texture_compression
Compressed image file format
Microsoft originally developed and patented. It supports both lossy and lossless compression, and is the preferred image format for Ecma-388 Open XML Paper
JPEG_XR
Lossy compression technique
Quantization, involved in image processing, is a lossy compression technique achieved by compressing a range of values to a single quantum (discrete)
Quantization (image processing)
Quantization_(image_processing)
Video compression format
a lossy compression format developed by Apple for use in post-production that supports video resolution up to 8K. Although it uses lossy compression, it
Apple_ProRes
Video codec by Microsoft
Microsoft Video 1 is an early lossy video compression and decompression algorithm (codec) that was released with version 1.0 of Microsoft's Video for
Microsoft_Video_1
Loss of quality between copies
using lossy video or audio compression codecs as these introduce artifacts into the source material with each encode or reencode. Lossy compression codecs
Generation_loss
use and transmission efficiency. Lossy compression methods allow for partial loss of data to achieve higher compression ratios. Widely used in multimedia
Bandwidth_compression
Image storage format for the motion picture industry
floating point values, as well as various compression techniques which include lossless and lossy compression algorithms. It also has arbitrary channels
OpenEXR
Lossy audio compression format
Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. It was developed by Dolby, AT&T, Fraunhofer and Sony, originally
Advanced_Audio_Coding
Cryptographic primitive
exactly (lossless compression) or approximately (lossy compression) to the original data. One-way compression functions are for instance used in the Merkle–Damgård
One-way_compression_function
Image file format
compression standard for bi-level images, developed by the Joint Bi-level Image Experts Group. It is suitable for both lossless and lossy compression
JBIG2
Classical quantization technique from signal processing
data high error. This is why VQ is suitable for lossy data compression. It can also be used for lossy data correction and density estimation. Vector quantization
Vector_quantization
Compression method for digital images
Fractal compression is a lossy compression method for digital images, based on fractals. The method is best suited for textures and natural images, relying
Fractal_compression
Lossy and lossless image format
sometimes shortened to JXL) is an image format that supports both lossy and lossless compression. It was developed by the Joint Photographic Experts Group (JPEG)
JPEG_XL
Open, royalty-free video coding format
widely deployed AV1 encoding format, and is designed to deliver better compression performance, enhanced support for AR, VR and split-screen usage and support
AV2
Lossy speech audio codec developed by Google
Lyra is a lossy audio codec developed by Google that is designed for compressing speech at very low bitrates. Unlike most other audio formats, it compresses
Lyra_(codec)
Metric used to measure signal quality
to quantify reconstruction quality for images and video subject to lossy compression. In this context it is used as a full reference metric, comparing
Peak_signal-to-noise_ratio
File format family developed by CRI Middleware
container and compression format developed by CRI Middleware specifically for use in video games; it is derived from ADPCM but with lossy compression. Its most
ADX_(file_format)
Open-source lossless audio codec
lossless audio data compression. Lossless data compression does not discard data during the process of encoding, unlike lossy compression methods such as
Monkey's_Audio
2013 open and royalty-free video coding format
VP8 while maintaining the same video quality, and aiming for better compression efficiency than the MPEG High Efficiency Video Coding (HEVC) standard
VP9
2008 open and royalty-free video coding format
VP8 is an open and royalty-free video compression format released by On2 Technologies in 2008. Initially released as a proprietary successor to On2's
VP8
Techniques for lossy compression of neural networks
Model compression is a machine learning technique for reducing the size of trained models. Large models can achieve high accuracy, but often at the cost
Model_compression
Measurement in DNA sequencing
lossless and lossy compression are recently being considered in the literature. For example, the algorithm QualComp performs lossy compression with a rate
Phred_quality_score
Process of compacting a lexicon while retaining semantics
applications, semantic compression is a lossy compression. Increased prolixity does not compensate for the lexical compression and an original document
Semantic_compression
Computer file format
and background/images, progressive loading, arithmetic coding, and lossy compression for bitonal (monochrome) images. This allows high-quality, readable
DjVu
Perceptually indistinguishable data compression
In data compression and psychoacoustics, transparency is the result of lossy data compression advanced enough that the compressed result is perceptually
Transparency (data compression)
Transparency_(data_compression)
3Dc (FourCC : ATI2), also known as DXN, BC5, or Block Compression 5 is a lossy data compression algorithm for normal maps invented and first implemented
3Dc
Image file format
JBIG is an early lossless image compression standard from the Joint Bi-level Image Experts Group, standardized as ISO/IEC standard 11544 and as ITU-T
JBIG
Indian-American electrical engineer and computer scientist (born 1940)
which is related to the DCT. The discrete cosine transform (DCT) is a lossy compression algorithm that was first conceived by Ahmed while working at the Kansas
Nasir_Ahmed_(engineer)
Platform for users to upload, share, or live stream videos on the Internet
important data compression algorithm that enabled practical video hosting and streaming is the discrete cosine transform (DCT), a lossy compression technique
Online_video_platform
Lossy color image compression algorithm
Color Cell Compression is a lossy image compression algorithm developed by Campbell et al., in 1986, which can be considered an early forerunner of modern
Color_Cell_Compression
Branch of knowledge relating physical stimuli and psychological perception
psychophysics have guided the development of models and methods for lossy compression. These models help explain why humans typically perceive minimal loss
Psychophysics
Technique used in signal processing and data compression
by the Joint Photographic Experts Group as the basis for JPEG's lossy image compression algorithm in 1992. The discrete sine transform (DST) was derived
Discrete_cosine_transform
Image compression file format
is a wavelet-based image compression file format used by the NASA Mars rovers. ICER has both lossy and lossless compression modes. The Mars Exploration
ICER_(file_format)
List of computer file compression formats
The following is a list of compression formats and related codecs. Linear pulse-code modulation (LPCM, generally only described as PCM) is the format
List_of_codecs
Raster graphics file format
JPEG, PNG, and GIF file formats on the Web. It supports image compression (both lossy and lossless), as well as animation and alpha compositing. The
WebP
delta-compression) Sony DSLR-A500 - ARW 2.1 (lossy delta-compression) Sony DSLR-A550 - ARW 2.1 (lossy delta-compression) Sony DSLR-A560 - ARW 2.2 (lossy delta-compression)
List of cameras supporting a raw format
List_of_cameras_supporting_a_raw_format
Series of image file formats
compressed using a lossless compression scheme, or compressed using a lossy compression scheme. The lossless LZW compression scheme has at times been regarded
TIFF
and Ali J. Tabatabai) for lossless compression and the CDF 9/7 for lossy compression. The primal generator is a B-spline if the simple factorization q
Cohen–Daubechies–Feauveau wavelet
Cohen–Daubechies–Feauveau_wavelet
Data compression
which then results in a lower quality copy of the original input (lossy compression). In transform coding, knowledge of the application is used to choose
Transform_coding
Index of articles associated with the same name
signal compression include: Bandwidth compression Data compression Dynamic range compression Gain compression Image compression Lossy compression One-way
Signal_compression
Image compression standard and coding system
standard provides both lossless and lossy compression in a single compression architecture. Lossless compression is provided by the use of a reversible
JPEG_2000
Raster graphics file format
(ITU-T H.273 and ISO/IEC 23091-2) or ICC profiles Both lossless and lossy compression 8-, 10-, and 12-bit color depths Monochrome (alpha/depth) or multi-components
AVIF
Theory about lossy data compression
information theory which provides the theoretical foundations for lossy data compression; it addresses the problem of determining the minimal number of bits
Rate–distortion_theory
File format for storing digital video data
video data on a computer system. Video is almost always stored using lossy compression to reduce the file size. A video file normally consists of a container
Video_file_format
Audio exceeding CD capability
Lenbrook's MQA are marketed as "hi-res", however, these codecs employ lossy compression and can often have lower bit rates than Compact Disc Digital Audio
High-resolution_audio
Video codec by Apple Inc
QuickTime Graphics is a lossy video compression and decompression algorithm (codec) developed by Apple Inc. and first released as part of QuickTime 1
QuickTime_Graphics
High-fidelity digital video signal
lossy compression method such as MPEG or H.264. In any lossy compression process, some of the video information is removed, which creates compression
Uncompressed_video
speech codec Vorbis – a lossy audio compression format. WavPack – "Hybrid" (lossless/lossy) audio codec AV1 Dirac – a video compression format supporting both
List_of_open_file_formats
Block Truncation Coding (BTC) is a type of lossy image compression technique for greyscale images. It divides the original images into blocks and then
Block_Truncation_Coding
Image file format
or more optimizations. While 2:1 compression ratios may be achieved losslessly, higher compression rates are lossy much like JPEG-compressed data. MrSID
MrSID
Lossy video codec developed by Apple Inc.; also known as QuickTime Video
Apple Video is a lossy video compression and decompression algorithm (codec) developed by Apple Inc. and first released as part of QuickTime 1.0 in 1991
Apple_Video
2014 film
documentary on the decline of sound quality in music distributed with lossy compression algorithms. The ad features paid interviews with vocalists, guitarists
The_Distortion_of_Sound
Digitally coded format for audio signals
used by a codec implementing the format. An important part of how lossy audio compression works is by removing data in ways humans can't hear, according
Audio_coding_format
Audio compression technologies
family of audio compression technologies developed by Dolby Laboratories. Called Dolby Stereo Digital until 1995, it uses lossy compression (except for Dolby
Dolby_Digital
Low-latency video compression standard
called AIC-2) for compression ratios between 2:1 and 10:1. Low latency: The total end-to-end latency, introduced by the JPEG XS compression-decompression
JPEG_XS
Type of data compression
Compression Rate and Visual Quality In a rendering system, lossy compression can be more tolerable than for other use cases. Some texture compression
Texture_compression
Raster graphics format
as a lossy encoding of the entire image. Jon Sneyers, one of the developers of FLIF, since combined it with ideas from various lossy compression formats
Free_Lossless_Image_Format
File format for sequences and quality scores
lossless and lossy compression are recently being considered in the literature. For example, the algorithm QualComp performs lossy compression with a rate
FASTQ_format
Family of lossless-compression image file formats
are widely available. Compared to formats with lossy compression, such as JPEG, choosing higher compression settings can slow processing without significantly
PNG
Video compression method for HDMI and DisplayPort links
Display Stream Compression (DSC) is a VESA-developed lossy video compression algorithm designed to enable increased display resolutions and frame rates
Display_Stream_Compression
Video codec by Apple Inc
container with the FourCC 'rle '. It can perform either lossless or lossy compression and is one of the few video codecs that supports an alpha channel
QuickTime_Animation
Diagnostically acceptable irreversible compression (DAIC) is the amount of lossy compression which can be used on a medical image such that there is no
Diagnostically acceptable irreversible compression
Diagnostically_acceptable_irreversible_compression
Extension to the MPEG-4 Audio standard
MPEG-4 Part 3 (MPEG-4 Audio) standard to allow lossless audio compression scalable to lossy MPEG-4 General Audio coding methods (e.g., variations of AAC)
MPEG-4_SLS
Topics referred to by the same term
Audio compression may refer to: Audio compression (data), a type of lossy or lossless compression in which the amount of data in a recorded waveform is
Audio_compression
Number of bits of information recorded for each digital audio sample
describing PCM digital signals. Non-PCM formats, such as those using lossy compression, do not have associated bit depths. A PCM signal is a sequence of
Audio_bit_depth
Lossy audio coding format
Opus is a free and open source lossy audio coding format developed by the Xiph.Org Foundation and standardized by the Internet Engineering Task Force
Opus_(audio_format)
Israeli-American academic
genomics in particular, lossless compression, lossy compression, delay-constrained and complexity-constrained compression and communication, network information
Tsachy_Weissman
File format
only decode the base 8-bit lossy image. JPEG standards are formally named as Information technology – Scalable compression and coding of continuous-tone
JPEG_XT
Measurement of power meeting specifications
Nisenblat et al. proposes the idea of power quality compression algorithm (similar to lossy compression methods) that enables meters to continuously store
Electric_power_quality
HEVC/H.265 encoder
video streams in the High Efficiency Video Coding (HEVC/H.265) video compression format developed by the Joint Collaborative Team on Video Coding (JCT-VC)
X265
File format used in digital photography
lossy compression format (though a lossless JPEG compression is now available). Raw formats typically use lossless compression or high-quality lossy compression
Raw_image_format
Berlin), to compress PCM audio in a lossless manner, in contrast to lossy compression algorithms. It is no longer developed because an advanced version
Lossless predictive audio compression
Lossless_predictive_audio_compression
Audiophile audio processing technology
high-quality digital audio. The system includes audio signal processing, lossy audio compression and authentication. MQA requires licensing fees to use. The system
Master_Quality_Authenticated
Device or software for encoding or decoding a digital data stream
for lossy codecs for some media. Many popular codecs are lossy. They reduce quality in order to maximize compression. Often, this type of compression is
Codec
Overview of and topical guide to algorithms
mathematics, operations research, artificial intelligence, cryptography, data compression, computer graphics, bioinformatics, and many other fields. The study
Outline_of_algorithms
Speech analysis and encoding technique
generally, 30 to 50 frames per second give an intelligible speech with good compression. Linear prediction (signal estimation) goes back to at least the 1940s
Linear_predictive_coding
Lossy audio compression format
MPEG-2 Audio Layer II, sometimes incorrectly called Musicam) is a lossy audio compression format. It is standardised as one of the three audio codecs of
MPEG-1_Audio_Layer_II
Pyramid vector quantization (PVQ) is a method used in audio and video codecs to quantize and transmit unit vectors, i.e. vectors whose magnitudes are known
Pyramid_vector_quantization
Entropy coding method
It is a lossless compression technique, although the video coding standards in which it is used are typically for lossy compression applications. CABAC
Context-adaptive binary arithmetic coding
Context-adaptive_binary_arithmetic_coding
Voice encryption, transformation, and synthesis device
that analyzes and synthesizes the human voice signal for audio data compression, multiplexing, voice encryption or voice transformation. The vocoder
Vocoder
Lossy speech audio codec by Microsoft
Satin is a lossy speech codec developed by Microsoft. Satin was designed to supersede the earlier Silk codec in their applications, and implements a neural
Satin_(codec)
Telecommunications and signal processing technique
after conversion back to 16-bit. This is effectively a form of lossy audio data compression. Professional wireless microphones do this since the dynamic
Companding
File format
wavelet-based bitmapped image format that employs lossless and lossy data compression. PGF was created to improve upon and replace the JPEG format. It
Progressive_Graphics_File
Audio file format
to other audio formats like MP3, which reach compression rates up to 90% because of their lossy compression algorithms. Therefore, OSQ is used rather for
Original_Sound_Quality
Perceptual coding is a method of lossy data compression that exploits the limitations of human sensory system in order to reduce data size. It is widely
Perceptual_coding
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LOSSY COMPRESSION
LOSSY COMPRESSION
Surname or Lastname
English, North German, Dutch, Frisian, and Danish
English, North German, Dutch, Frisian, and Danish : from a Germanic personal name, Boio or Bogo, of uncertain origin. It may represent a variant of Bothe, with the regular Low German loss of the dental between vowels, but a cognate name appears to have existed in Old English (see Boyce), where this feature does not occur. Boje is still in use as a personal name in Friesland.Dutch : nickname from Middle Dutch boy(e) ‘boy’, ‘lad’.
Female
English
A Christian virtue name, derived from the English vocabulary word, patience, from Latin pati, PATIENCE means "to suffer." The Puritans considered it virtuous "to suffer" misfortune and persecution without complaint or loss of faith.Â
Girl/Female
Assamese, Hindu, Indian, Kannada, Marathi, Telugu
A Mossy
Girl/Female
Tamil
Shabalini | ஷபாலிநீ
A mossy
Shabalini | ஷபாலிநீ
Surname or Lastname
English
English : from the Middle English personal name Saric, Seric with loss of the unstressed vowel (see Surridge 1).
Girl/Female
German
Glossy
Boy/Male
English
Divine spear; God's spear. Famous Bearer: poet Oscar Wilde (1854-1900), who was put on trial...
Boy/Male
American, Anglo, Australian, British, Chinese, English, Irish, Jamaican, Scandinavian, Scottish
Mossy Place; Son of the Marsh-dwellers; Rock; Coastal Rocks; Son of Carr; Marsh Area; Surname
Boy/Male
Australian, Biblical
Loss; Desolation; Astonishment
Boy/Male
Australian, Norse, Scandinavian, Scottish
From the Broken Mossy Ground; From the Swampy Place
Girl/Female
Scottish
From the broken mossy ground.
Surname or Lastname
English and Irish (of Norman origin)
English and Irish (of Norman origin) : habitational name from Lassy in Calvados, named from a Gaulish personal name Lascius (of uncertain meaning) + the locative suffix -acum. The surname is widespread in Britain and Ireland, but most common in Nottinghamshire. In Ireland the family is associated particularly with County Limerick.
Girl/Female
Danish, German, Hebrew, Swedish
Pledged to God; Noble; Nobility; God's Promise; God is My Oath; Form of Alice
Boy/Male
African, Australian, British, English, German
Divine Spear; God's Spear; Diminutive of Oscar
Surname or Lastname
English and French
English and French : from Old French corp ‘raven’, probably applied as a nickname for someone with glossy dark hair. In some cases the English name may be derived from the cognate Old Norse korpr.
Girl/Female
Indian
Bossy
Boy/Male
American, Australian, British, Chinese, Christian
A Deep, Glossy Black; Jet Black Gem; Coal Black
Girl/Female
Scottish
From the broken mossy ground.
Girl/Female
Muslim
Bossy
Girl/Female
Danish, Dutch, Finnish, German, Latin, Scandinavian, Swedish
Ruler of the Home; Jet-black Gemstone; A Deep or Glossy Black
LOSSY COMPRESSION
LOSSY COMPRESSION
LOSSY COMPRESSION
LOSSY COMPRESSION
LOSSY COMPRESSION
LOSSY COMPRESSION
LOSSY COMPRESSION
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