Results 21 to 30 of about 35,403 (321)

Effect of Lossy JPEG Compression of an Image with Chromatic Aberrations on Target Measurement Accuracy [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014
This paper reports an experiment conducted to investigate the effect of lossy JPEG compression of an image with chromatic aberrations on the measurement accuracy of target center by the intensity-weighted centroid method.
R. Matsuoka
doaj   +1 more source

Evaluating lossy data compression on climate simulation data within a large ensemble [PDF]

open access: yesGeoscientific Model Development, 2016
High-resolution Earth system model simulations generate enormous data volumes, and retaining the data from these simulations often strains institutional storage resources.
A. H. Baker   +14 more
doaj   +1 more source

Lossy P-LDPC Codes for Compressing General Sources Using Neural Networks

open access: yesEntropy, 2023
It is challenging to design an efficient lossy compression scheme for complicated sources based on block codes, especially to approach the theoretical distortion-rate limit. In this paper, a lossy compression scheme is proposed for Gaussian and Laplacian
Jinkai Ren   +3 more
doaj   +1 more source

Performance evaluation of lossy quality compression algorithms for RNA-seq data

open access: yesBMC Bioinformatics, 2020
Background Recent advancements in high-throughput sequencing technologies have generated an unprecedented amount of genomic data that must be stored, processed, and transmitted over the network for sharing.
Rongshan Yu, Wenxian Yang, Shun Wang
doaj   +1 more source

A Reliable Data Compression Scheme in Sensor-Cloud Systems Based on Edge Computing

open access: yesIEEE Access, 2021
The rapid development of the IoT and cloud computing has spawned a new network structure — sensor-cloud system (SCS) where sensors, sensor networks, and cloud computing are integrated to perform data sensing, collection, transmission, and decision
Shaofei Lu   +5 more
doaj   +1 more source

Lossy checkpoint compression in full waveform inversion: a case study with ZFPv0.5.5 and the overthrust model [PDF]

open access: yesGeoscientific Model Development, 2022
This paper proposes a new method that combines checkpointing methods with error-controlled lossy compression for large-scale high-performance full-waveform inversion (FWI), an inverse problem commonly used in geophysical exploration. This combination can
N. Kukreja   +5 more
doaj   +1 more source

Lossy Compression With Universal Distortion

open access: yesIEEE Transactions on Information Theory, 2022
We consider a novel variant of $d$-semifaithful lossy coding in which the distortion measure is revealed only to the encoder and only at run-time, as well as an extension of it in which the distortion constraint $d$ is also revealed at run-time. Two forms of rate redundancy are used to analyze the performance, and achievability results of both a ...
Adeel Mahmood, Aaron B. Wagner
openaire   +2 more sources

Accuracy analysis of lossless and lossy disparity map compression

open access: yesAin Shams Engineering Journal, 2022
In this paper, we analysed lossless and lossy compression of disparity (depth) images with low range resolution. For that goal, the well-known publicly available Middlebury dataset is used with stereo image pairs, their disparity ground truths and ...
Saad Merrouche   +3 more
doaj   +1 more source

A New MRF-Based Lossy Compression for Encrypted Binary Images

open access: yesIEEE Access, 2020
Although there exist many researches on the compression of original non-encrypted binary images, few approaches focus on the compression of encrypted binary images.
Chuntao Wang   +3 more
doaj   +1 more source

A note on precision-preserving compression of scientific data [PDF]

open access: yesGeoscientific Model Development, 2021
Lossy compression of scientific data arrays is a powerful tool to save network bandwidth and storage space. Properly applied lossy compression can reduce the size of a dataset by orders of magnitude while keeping all essential information, whereas a ...
R. Kouznetsov, R. Kouznetsov
doaj   +1 more source

Home - About - Disclaimer - Privacy