Results 71 to 80 of about 2,251,696 (313)

Robust Detection of Intensity Variant Clones in Forged and JPEG Compressed Images [PDF]

open access: yesANSVESA, 9(1), 48-60, 2014, ISSN-0974-715X, 2015
Digitization of images has made image editing easier. Ease of image editing tempted users and professionals to manipulate digital images leading to digital image forgeries. Today digital image forgery has posed a great threat to the authenticity of the popular digital media, the digital images.
arxiv  

Digital Hurewicz Theorem and Digital Homology Theory [PDF]

open access: yes, 2019
In this paper, we develop homology groups for digital images based on cubical singular homology theory for topological spaces. Using this homology, we present digital Hurewicz theorem for the fundamental group of digital images. We also show that the homology functors developed in this paper satisfy properties that resemble the Eilenberg-Steenrod ...
arxiv   +1 more source

Addressing persistent challenges in digital image analysis of cancer tissue: resources developed from a hackathon

open access: yesMolecular Oncology, EarlyView.
Large multidimensional digital images of cancer tissue are becoming prolific, but many challenges exist to automatically extract relevant information from them using computational tools. We describe publicly available resources that have been developed jointly by expert and non‐expert computational biologists working together during a virtual hackathon
Sandhya Prabhakaran   +16 more
wiley   +1 more source

Eye Fatigue Assessment Using Unobtrusive Eye Tracker

open access: yesIEEE Access, 2018
More than 80% sensory information our brains receive come from the eyes. Eye fatigue and associated eye diseases become increasingly severe as digital devices progress in the last decade.
Yan Wang   +6 more
doaj   +1 more source

A Second Homotopy Group for Digital Images [PDF]

open access: yesarXiv, 2023
We define a second (higher) homotopy group for digital images. Namely, we construct a functor from digital images to abelian groups, which closely resembles the ordinary second homotopy group from algebraic topology. We illustrate that our approach can be effective by computing this (digital) second homotopy group for a digital 2-sphere.
arxiv  

MicroRNAs in seminal plasma are able to discern infertile men at increased risk of developing testicular cancer

open access: yesMolecular Oncology, Volume 19, Issue 4, Page 1188-1202, April 2025.
Male infertility is a known risk factor for the development of testicular cancer. In this paper, we analyzed the expression profile of a microRNA panel by real‐time PCR and validated the results by digital PCR. Experimental and bioinformatics analyses allowed us to identify possible biomarkers able to discern men with a higher risk of developing ...
Carmen Ferrara   +14 more
wiley   +1 more source

Digital Fundamental Groups and Edge Groups of Clique Complexes [PDF]

open access: yesarXiv, 2019
In previous work, we have defined---intrinsically, entirely within the digital setting---a fundamental group for digital images. Here, we show that this group is isomorphic to the edge group of the clique complex of the digital image considered as a graph.
arxiv  

Radiology [PDF]

open access: yes, 2004
Radiology is the fastest developing field of medicine and these unprecedented advances have been mainly due to improving computer technology. Digital imaging is a technology whereby images are acquired in a computer format, so that they can be easily ...
Vassallo, Pierre
core  

Cell‐free DNA aneuploidy score as a dynamic early response marker in prostate cancer

open access: yesMolecular Oncology, EarlyView.
mFast‐SeqS‐based genome‐wide aneuploidy scores are concordant with aneuploidy scores obtained by whole genome sequencing from tumor tissue and can predict response to ARSI treatment at baseline and, at an early time point, to ARSI and taxanes. This assay can be easily performed at low cost and requires little input of cfDNA. Cell‐free circulating tumor
Khrystany T. Isebia   +17 more
wiley   +1 more source

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