Results 41 to 50 of about 627,156 (299)

Characterization and Improvement of the Image Quality of the Data Taken with the Infrared Camera (IRC) Mid-Infrared Channels onboard AKARI

, 2011
Mid-infrared images frequently suffer artifacts and extended point spread functions (PSFs). We investigate the characteristics of the artifacts and the PSFs in images obtained with the Infrared Camera (IRC) onboard AKARI at four mid-infrared bands of the
Daisuke Kato, Fumi Egusa, Hideo Matsuhara, Ita Y., Itsuki Sakon, Kaneda H., Ko Arimatsu, Meixner M., Murakami H., Ohyama Y., Okumura K., Onaka T., Sakon I., Shinki Oyabu, Takashi Onaka, Takehiko Wada, Tanabé T., Toshihiko Tanabé, Yoshifusa Ita   +18 more
core   +1 more source

Peroxidasin enables melanoma immune escape by inhibiting natural killer cell cytotoxicity

Molecular Oncology, EarlyView.
Peroxidasin (PXDN) is secreted by melanoma cells and binds the NK cell receptor NKG2D, thereby suppressing NK cell activation and cytotoxicity. PXDN depletion restores NKG2D signaling and enables effective NK cell–mediated melanoma killing. These findings identify PXDN as a previously unrecognized immune evasion factor and a potential target to improve
Hsu‐Min Sung, David Bickel, Lena C. M. Krause, Daria Ezeriņa, Christian Ickes, Julian Wojtachnia, Christine S. Gibhardt, Magdalena Shumanska, Khadija Wahni, Andrea Paluschkiwitz, Julia Malo Pueyo, Ekaterina Baranova, Wim Vranken, Hedwig Stanisz, Ioana Stejerean‐Todoran, Michael P. Schön, Joris Messens, Ivan Bogeski   +17 more
wiley   +1 more source

Infrared Image Enhancement: A Review

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Under special conditions such as night, rain, and fog, visible light imaging technology often performs poorly, while radar and other imaging technologies are limited due to their high costs.
Qingwang Wang, Pengcheng Jin, Yuhang Wu, Liyao Zhou, Tao Shen   +4 more
doaj   +1 more source

Simple spectroscope used with solid state image amplifier over wide spectral range [PDF]

, 1971
Prism plus image amplifier panel provides visual image of many infrared spectral lines from carbon arc impregnated with metal compound. Different metal compounds generate various desired spectra.
Brown, R. L., Sr.
core   +1 more source

Pioglitazone plus (−)‐epigallocatechin gallate: a novel approach to enhance osteogenic performance in aged bone marrow mesenchymal stem cells

FEBS Open Bio, EarlyView.
Aged human bmMSCs are seeded in the scaffold. Osteoblastic induction can slightly increase cell's bone‐forming activity to produce bone‐like tissues, shown as the sporadic xylenol orange‐stained spots (the lower left image). Notably, pioglitazone plus EGCG co‐treatment dramatically increases cell's bone‐forming activity and bone‐like tissue production (
Ching‐Yun Chen, Jia‐Ci Jhang, Chun‐Yi Peng, Quốc Cường Nguyễn, Feng‐Huei Lin, Hung‐Ming Wu, Shankung Lin   +6 more
wiley   +1 more source

Dual-Branch Structured De-Striping Convolution Network Using Parametric Noise Model

IEEE Access, 2020
The stripe fixed pattern noise (FPN) of infrared images significantly corrupts image quality, so that most infrared imaging systems suffer from the degradation of visibility and detectability during operation. Therefore, the FPN de-striping method, which
Jongho Lee, Yong Man Ro
doaj   +1 more source

Research on Infrared and Visible Image Fusion Based on Tetrolet Transform and Convolution Sparse Representation

IEEE Access, 2021
Image fusion is a visual enhancement technique that combines source images from different sensors to produce a more robust and informative fused image for subsequent processing or decision making.
Xin Feng, Chao Fang, Xicheng Lou, Kaiqun Hu   +3 more
doaj   +1 more source

Enzymatic degradation of biopolymers in amorphous and molten states: mechanisms and applications

FEBS Open Bio, EarlyView.
This review explains how polymer morphology and thermal state shape enzymatic degradation pathways, comparing amorphous and molten biopolymer structures. By integrating structure–reactivity principles with insights from thermodynamics and enzyme engineering, it highlights mechanisms that enable efficient polymer breakdown.
Anđela Pustak, Aleksandra Maršavelski
wiley   +1 more source

Infrared viewing permits human iris response studies [PDF]

, 1968
Infrared image converter tube and a filtered light source monitor and measure the eye of a subject during experimental task-work operations to obtain a more natural measurement of unimpeded iris response.
Schnass, E. R.
core   +1 more source

An Infrared Imaging Study of the Bipolar Proto-Planetary Nebula IRAS 16594-4656

, 2006
High-resolution mid-infrared images have been obtained in N-band and Q-band for the proto-planetary nebula IRAS 16594-4656. A bright equatorial torus and a pair of bipolar lobes can clearly be seen in the infrared images. The torus appears thinner at the
Bruce J. Hrivnak, Kate Y. L. Su, Kevin Volk, Sun Kwok, Van de Steene G. C., Van de Steene G. C.   +5 more
core   +2 more sources