Results 31 to 40 of about 3,396,344 (245)

On color image quality assessment using natural image statistics

, 2014
Color distortion can introduce a significant damage in visual quality perception, however, most of existing reduced-reference quality measures are designed for grayscale images.
Abdelouahad, Abdelkaher Ait, Cherifi, Hocine, Hassouni, Mohammed El, Omari, Mounir   +3 more
core   +1 more source

Novel X-ray imaging technology enables significant patient dose reduction in interventional cardiology while maintaining diagnostic image quality [PDF]

, 2015
Objectives: The purpose of this study was to quantify the reduction in patient radiation dose during coronary angiography (CA) by a new X-ray technology, and to assess its impact on diagnostic image quality.
Bacher, Klaus, Buytaert, Dimitri, De Pooter, Jan, Drieghe, Benny, Eloot, Liesbeth, Gijs, Thomas, Lapere, Régine, Taeymans, Yvo, Thierens, Hubert, VAN PETEGHEM, SYLVIE   +9 more
core   +1 more source

Radiation Protection Evaluations Following the Installations of Two Cardiovascular Digital X-ray Fluoroscopy Systems

Applied Sciences, 2021
Acceptance testing and commission are essential elements of the quality assurance program for imaging equipment. We present the results of a performance evaluation of Flat Panel-Based Cardiovascular Fluoroscopy X-ray Systems as a part of acceptance ...
Ibrahim I. Suliman, Abdelmoneim Sulieman, Essam Mattar   +2 more
doaj   +1 more source

Quality Classified Image Analysis with Application to Face Detection and Recognition

, 2018
Motion blur, out of focus, insufficient spatial resolution, lossy compression and many other factors can all cause an image to have poor quality. However, image quality is a largely ignored issue in traditional pattern recognition literature.
Qiu, Guoping, Wang, Miaohui, Yang, Fei, Zhang, Qian   +3 more
core   +1 more source

Data Fusion of RGB and Depth Data with Image Enhancement

Journal of Imaging
Since 3D sensors became popular, imaged depth data are easier to obtain in the consumer sector. In applications such as defect localization on industrial objects or mass/volume estimation, precise depth data is important and, thus, benefits from the ...
Lennard Wunsch, Christian Görner Tenorio, Katharina Anding, Andrei Golomoz, Gunther Notni   +4 more
doaj   +1 more source

Objective Evaluation Criteria for Shooting Quality of Stereo Cameras over Short Distance [PDF]

, 2015
Stereo cameras are the basic tools used to obtain stereoscopic image pairs, which can lead to truly great image quality. However, some inappropriate shooting conditions may cause discomfort while viewing stereo images.
Jiachen Yang, Rongrong Chu, Yun Liu
core   +2 more sources

LAVA HyperSense and deep-learning reconstruction for near-isotropic (3D) enhanced magnetic resonance enterography in patients with Crohn’s disease: utility in noise reduction and image quality improvement

Diagnostic and Interventional Radiology, 2023
PURPOSEThis study aimed to compare near-isotropic contrast-enhanced T1-weighted (CE-T1W) magnetic resonance enterography (MRE) images reconstructed with vendor-supplied deep-learning reconstruction (DLR) with those reconstructed conventionally in terms ...
Jung Hee Son, Yedaun Lee, Ho-Joon Lee, Joonsung Lee, Hyunwoong Kim, Marc R. Lebel   +5 more
doaj   +1 more source

Sparse Representation-based Image Quality Assessment

, 2013
A successful approach to image quality assessment involves comparing the structural information between a distorted and its reference image. However, extracting structural information that is perceptually important to our visual system is a challenging ...
Guha, Tanaya, Nezhadarya, Ehsan, Ward, Rabab K   +2 more
core   +1 more source

Synthetic Training Data in AI-Driven Quality Inspection: The Significance of Camera, Lighting, and Noise Parameters

Sensors
Industrial-quality inspections, particularly those leveraging AI, require significant amounts of training data. In fields like injection molding, producing a multitude of defective parts for such data poses environmental and financial challenges ...
Dominik Schraml, Gunther Notni
doaj   +1 more source

Full Reference Objective Quality Assessment for Reconstructed Background Images

, 2018
With an increased interest in applications that require a clean background image, such as video surveillance, object tracking, street view imaging and location-based services on web-based maps, multiple algorithms have been developed to reconstruct a ...
Karam, Lina, Shrotre, Aditee
core   +1 more source