Results 21 to 30 of about 557,712 (297)

Multi-Frame Blind Super-Resolution Based on Joint Motion Estimation and Blur Kernel Estimation

open access: yesApplied Sciences, 2022
Multi-frame super-resolution makes up for the deficiency of sensor hardware and significantly improves image resolution by using the information of inter-frame and intra-frame images.
Shanshan Liu   +2 more
doaj   +1 more source

Super Resolution with Kernel Estimation and Dual Attention Mechanism

open access: yesInformation, 2020
Convolutional Neural Networks (CNN) have led to promising performance in super-resolution (SR). Most SR methods are trained and evaluated on predefined blur kernel datasets (e.g., bicubic).
Huan Liang   +4 more
doaj   +1 more source

BLUR KERNEL’S EFFECT ON PERFORMANCE OF SINGLE-FRAME SUPER-RESOLUTION ALGORITHMS FOR SPATIALLY ENHANCING HYPERION AND PRISMA DATA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Single-frame super-resolution (SFSR) achieves the goal of generating a high-resolution image from a single low-resolution input in a three-step process, namely, noise removal, up-sampling and deblurring.
K. Mishra, R. D. Garg
doaj   +1 more source

High energy flash X‐ray image restoration using region extrema and kernel optimization

open access: yesIET Image Processing, 2021
The quality of high energy flash X‐ray images is crucial to the high‐precision diagnosis of object density. High energy flash X‐ray radiography is susceptible to the system blur, which usually causes the poor quality of static images. In response to this,
Xiaolin Wang, Qingwu Li, Jinxin Xu
doaj   +1 more source

A New Super Resolution Framework Based on Multi-Task Learning for Remote Sensing Images

open access: yesSensors, 2021
Super-resolution (SR) algorithms based on deep learning have dominated in various tasks, including medical imaging, street view surveillance and face recognition. In the remote sensing field, most of the current SR methods utilize the low-resolution (LR)
Li Yan, Kun Chang
doaj   +1 more source

Modeling nonstationary lens blur using eigen blur kernels for restoration

open access: yesOptics Express, 2020
Images acquired through a lens show nonstationary blur due to defocus and optical aberrations. This paper presents a method for accurately modeling nonstationary lens blur using eigen blur kernels obtained from samples of blur kernels through principal component analysis. Pixelwise variant nonstationary lens blur is expressed as a linear combination of
Moonsung Gwak, Seungjoon Yang
openaire   +3 more sources

A Real-Time Star Tailing Removal Method Based on Fast Blur Kernel Estimations

open access: yes, 2021
The number of star points and the accuracy of star centroid extraction are the key factors that affect the performance of the star sensor under high dynamic conditions.
Ya-Li Hou   +4 more
semanticscholar   +1 more source

Research on Blind Super-Resolution Technology for Infrared Images of Power Equipment Based on Compressed Sensing Theory

open access: yesSensors, 2021
Infrared images of power equipment play an important role in power equipment status monitoring and fault identification. Aiming to resolve the problems of low resolution and insufficient clarity in the application of infrared images, we propose a blind ...
Yan Wang   +3 more
doaj   +1 more source

Pixel-Level Kernel Estimation for Blind Super-Resolution

open access: yesIEEE Access, 2021
Throughout the past several years, deep learning-based models have achieved success in super-resolution (SR). The majority of these works assume that low-resolution (LR) images are ‘uniformly’ degraded from their corresponding high ...
Jaihyun Lew, Euiyeon Kim, Jae-Pil Heo
doaj   +1 more source

Investigation of blur kernel of terahertz images

open access: yesLithuanian Journal of Physics, 2023
The paper discusses issues of digital processing of terahertz images. It is shown that despite the improvement of the hardware part of imaging setups, the acquired images still often have a low resolution and suffer from noise and blurring effects. Thus, to improve their visual quality, it is advisable to use special digital processing methods.
Viktoriia Abramova   +5 more
openaire   +1 more source

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