Results 51 to 60 of about 1,741,443 (291)

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

Molecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Multispectral illumination estimation using deep unrolling network

, 2021
This paper examines the problem of illumination spectra estimation in multispectral images. We cast the problem into a constrained matrix factorization problem and present a method for both single-global and multiple illumination estimation in which a ...
Yuqi Li, Wolfgang Heidrich, Qiang Fu, Fu, Qiang, Heidrich, Wolfgang, Li, Yuqi   +5 more
core   +1 more source

A novel quinazolinone insulin receptor inhibitor and its synergy with an EGFR inhibitor in glucose‐driven glioblastoma

Molecular Oncology, EarlyView.
The novel styrylquinazolinone‐based molecule W1B effectively suppresses glioblastoma by inhibiting IGF1R and EGFR. In high‐glucose microenvironments driving tumor resistance, W1B acts synergistically with the EGFR inhibitor dacomitinib. This combination safely blocks compensatory survival signaling in zebrafish xenograft models. Showcasing promising in
Patryk Rurka, Wioleta Cieślik, Wojciech Płaziński, Katarzyna Stępnik, Anna Boguszewska‐Czubara, Elżbieta Kot, Robert Musioł, Mateusz Jasica, Anna Mrozek‐Wilczkiewicz, Katarzyna Malarz   +9 more
wiley   +1 more source

ADAPTIVE SKIN DETECTION UNDER UNCONSTRAINED LIGHTING CONDITIONS USING A BIGAUSSIAN MODEL AND ILLUMINATION ESTIMATION

Image Analysis and Stereology, 2011
An algorithm is proposed to improve the performance of skin detection algorithms under poor illumination conditions. A hybrid skin detection model is addressed to solve these problems by combining two Gaussian models of skin under normal conditions and ...
Jian-Hua Zheng, Chong-Yang Hao, Yang-Yu Fan, Xian-Yong Zang   +3 more
doaj   +1 more source

Phase Correlation based Local Illumination-invariant Method for Multi-Tempro Remote Sensing Image Matching [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014
This paper aims at image matching under significantly different illumination conditions, especially illumination angle changes, without prior knowledge of lighting conditions.
X. Wan, J. Liu, H. Yan
doaj   +1 more source

Illuminant color estimation for real-world mixed-illuminant scenes [PDF]

2011 IEEE International Conference on Computer Vision Workshops (ICCV Workshops), 2011
We present a physics-based approach for illuminant color estimation of arbitrary images, which is explicitly designed for handling images with multiple illuminants. The majority of techniques that extract the illuminant color assume that the illumination is constant across the scene. This, however, is not often the case.
Christian Riess, Eva Eibenberger, Elli Angelopoulou   +2 more
openaire   +1 more source

A light‐triggered Time‐Resolved X‐ray Solution Scattering (TR‐XSS) workflow with application to protein conformational dynamics

FEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei, Fredrik Orädd, Konstantinos Magkakis, Magnus Andersson   +3 more
wiley   +1 more source

Low-Light Image Enhancement Algorithm Integrating Retinex Illumination Estimation and Multi-Attention

IEEE Access
To address the challenges of poor visibility, blurred textures, and distortions in low-light conditions, this paper presents an image enhancement algorithm that integrates Retinex-based illumination estimation with multi-attention mechanisms.
Yaping Jiang, Shixian Guo
doaj   +1 more source

Illumination robust optical flow estimation by illumination-chromaticity decoupling [PDF]

2015 IEEE International Conference on Image Processing (ICIP), 2015
In this paper, a novel optical flow algorithm which is robust to illumination variation is proposed. HSL color space is adopted to decouple illumination and chromaticity information. The chromaticity component is normalized by chroma and transformed to the cartesian coordinate.
Sungheon Park, Nojun Kwak
openaire   +1 more source

Comparative assessment of crystallographic and cryo‐EM models in the Protein Data Bank

FEBS Open Bio, EarlyView.
Raw data obtained by X‐ray crystallography or cryo‐EM result in experimental maps, ultimately fitted by atomic models. Although the physical principles are different, the final results can be viewed, compared, and evaluated in the same way. With cryogenic electron microscopy (cryo‐EM) on track to surpass X‐ray crystallography as the preferred method ...
Alexander Wlodawer, Pawel Rubach, Zbigniew Dauter, Wojciech Dec, Dariusz Brzezinski, Marta Kulik, Wladek Minor, Mariusz Jaskolski   +7 more
wiley   +1 more source