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Deep Inverse Tone Mapping for Compressed Images [PDF]

open access: yesIEEE Access, 2019
Converting a single low dynamic range (LDR) image into a high dynamic range (HDR) image, which is the so-called inverse tone mapping (ITM), is a challenging ill-posed problem since a lot of information is lost during compression and storage.
Chao Wang, Yang Zhao, Ronggang Wang
doaj   +2 more sources

Lossless compression of continuous-tone images [PDF]

open access: yesProceedings of the IEEE, 2000
In this paper, we survey some of the recent advances in lossless compression of continuous-tone images. The modeling paradigms underlying the state-of-the-art algorithms, and the principles guiding their design, are discussed in a unified manner. The algorithms are described and experimentally compared.
CARPENTIERI, Bruno   +2 more
exaly   +3 more sources

TONE COMPRESSION ALGORITHM FOR HIGH DYNAMIC RANGE MEDICAL IMAGES [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
We propose here an HDR compression method for medical images based on a windowing operator, an adaptive tone mapping operator, and the probabilistic normal-gamma model.
I. A. Gracheva, A. V. Kopylov
doaj   +3 more sources

Spatio-temporal constrained tone mapping operator for HDR video compression [PDF]

open access: yesJournal of Visual Communication and Image Representation, 2018
Abstract With the growing popularity of high dynamic range (HDR) imaging, efficient compression techniques are demanded, as HDR video entails typically higher raw data rate than traditional video. For this purpose, we introduce a hybrid spatially and temporally constrained content-adaptive tone mapping operator (TMO) to convert the input HDR video ...
Cagri Ozcinar   +2 more
exaly   +2 more sources

Retinex Jointed Multiscale CLAHE Model for HDR Image Tone Compression

open access: yesMathematics
Tone-mapping algorithms aim to compress a wide dynamic range image into a narrower dynamic range image suitable for display on imaging devices. A representative tone-mapping algorithm, Retinex theory, reflects color constancy based on the human visual ...
Yu-Joong Kim, Dong-Min Son, Sung-Hak Lee
doaj   +3 more sources

The potent role of increased sympathetic tone in pathogenesis of essential hypertension with neurovascular compression [PDF]

open access: yesJournal of Human Hypertension, 2000
To study the role of increased sympathetic tone in pathogenesis of hypertension in patients with essential hypertension with neurovascular compression.Twenty-three patients with essential hypertension, 13 patients with secondary hypertension, and 46 normotensive subjects were investigated. Neurovascular compression was evaluated by MRT.
T, Morise   +7 more
exaly   +3 more sources

Contrast Sensitivity Based Multiscale Base–Detail Separation for Enhanced HDR Imaging

open access: yesApplied Sciences, 2020
High dynamic range (HDR) imaging is used to represent scenes with a greater dynamic range of luminance on a standard dynamic range display. Usually, HDR images are synthesized through base–detail separations.
Hyuk-Ju Kwon, Sung-Hak Lee
doaj   +2 more sources

IMPACT OF TONE MAPPING IN HIGH DYNAMIC RANGE IMAGE COMPRESSION [PDF]

open access: yes, 2014
International audienceTone mapping or range reduction is often used in High Dynamic Range (HDR) visual signal compression to take advantage of the existing image/video coding architectures. Thus, it is important to study the impact of tone mapping on the
Le Callet, Patrick   +3 more
core   +3 more sources

Multi-Layer Decomposition and Synthesis of HDR Images to Improve High-Saturation Boundaries

open access: yesMathematics, 2023
Recently, high dynamic range (HDR) imaging has been used in many fields such as display, computer graphics, and digital cameras. Various tone mapping operators (TMOs) are used for effective HDR imaging.
Hyuk-Ju Kwon, Sung-Hak Lee
doaj   +1 more source

The results of sphincterometry in patients after sorgion treatment of extrasphintery anal fistula

open access: yesJournal of Education, Health and Sport, 2021
More than 30% of patients with chronic paraproctitis have complex forms. They are most often complicated by external sphincter insufficiency due to deformation of the anal canal and scarring of the sphincters.
R. Paliyenko, Z. Mishura
doaj   +1 more source

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