Results 51 to 60 of about 1,275,998 (334)

Implicit and Explicit Regularization for Optical Flow Estimation

Sensors, 2020
In this paper, two novel and practical regularizing methods are proposed to improve existing neural network architectures for monocular optical flow estimation.
Konstantinos Karageorgos, Anastasios Dimou, Federico Alvarez, Petros Daras   +3 more
doaj   +1 more source

An improved 2D optical flow sensor for motion segmentation [PDF]

, 2002
A functional focal-plane implementation of a 2D optical flow system is presented that detects an preserves motion discontinuities. The system is composed of two different network layers of analog computational units arranged in a retinotopical order.
stocker, alan
core   +2 more sources

Relativistic Radiative Flow in a Luminous Disk

, 2005
Radiatively driven transfer flow perpendicular to a luminous disk was examined under a fully special relativistic treatment, taking into account radiation transfer.
Fukue, Jun
core   +3 more sources

A Comparative Study of Cerebral Oxygenation During Exercise in Hemodialysis and Peritoneal Dialysis Patients

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Cognitive impairment and exercise intolerance are common in dialysis patients. Cerebral perfusion and oxygenation play a major role in both cognitive function and exercise execution; HD session per se aggravates cerebral ischemia in this population. This study aimed to compare cerebral oxygenation and perfusion at rest and in mild
Marieta P. Theodorakopoulou, Konstantina Dipla, Danai Faitatzidou, Fotini Iatridi, Areti Georgiou, Artemios Karagiannidis, Erasmia Sampani, Chrysostomos Dimitriadis, Aggelos Koutlas, Andreas Zafeiridis, Pantelis Sarafidis   +10 more
wiley   +1 more source

Registration of Consecutive Frames From Wireless Capsule Endoscopy for 3D Motion Estimation

IEEE Access, 2021
Wireless Capsule Endoscopy (WCE) is a non-invasive medical procedure devised for painless in vivo inspection of the gastrointestinal (GI) tract. It is especially valuable for the examination of the small intestine since it is difficult to reach by ...
Marina Oliveira, Helder Araujo, Isabel N. Figueiredo, Luis Pinto, Eva Curto, Luis Perdigoto   +5 more
doaj   +1 more source

Predicting the Future Burden of Renal Replacement Therapy in Türkiye Using National Registry Data and Comparative Modeling Approaches

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic kidney disease is a growing public health problem worldwide, and the number of patients requiring renal replacement therapy is steadily increasing. Türkiye has experienced a similar rise in both the incidence and prevalence of renal replacement therapy over the past decades; however, national‐level projections of future ...
Arzu Akgül, Neriman Sıla Koç, Berrak Itır Aylı   +2 more
wiley   +1 more source

OptiFlex: Multi-Frame Animal Pose Estimation Combining Deep Learning With Optical Flow

Frontiers in Cellular Neuroscience, 2021
Animal pose estimation tools based on deep learning have greatly improved animal behaviour quantification. These tools perform pose estimation on individual video frames, but do not account for variability of animal body shape in their prediction and ...
XiaoLe Liu, Si-yang Yu, Nico A. Flierman, Nico A. Flierman, Sebastián Loyola, Maarten Kamermans, Maarten Kamermans, Tycho M. Hoogland, Tycho M. Hoogland, Chris I. De Zeeuw, Chris I. De Zeeuw   +10 more
doaj   +1 more source

A Fusion Approach for Multi-Frame Optical Flow Estimation

, 2018
To date, top-performing optical flow estimation methods only take pairs of consecutive frames into account. While elegant and appealing, the idea of using more than two frames has not yet produced state-of-the-art results.
Gallo, Orazio, Kautz, Jan, Ren, Zhile, Sudderth, Erik B., Sun, Deqing, Yang, Ming-Hsuan   +5 more
core   +2 more sources

The anti‐CRISPR protein AcrIE8.1 inhibits the type I‐E CRISPR‐Cas system by directly binding to the Cascade subunit Cas11

FEBS Letters, EarlyView.
In this study, we present the structure of AcrIE8.1, a previously uncharacterized anti‐CRISPR protein that inhibits the type I‐E CRISPR‐Cas system. Through a combination of structural and biochemical analyses, we demonstrate that AcrIE8.1 directly binds to the Cas11 subunit of the Cascade complex to inhibit the CRISPR‐Cas system.
Young Woo Kang, Hyun Ho Park
wiley   +1 more source

Optimal Filter Estimation for Lucas-Kanade Optical Flow

Sensors, 2012
Optical flow algorithms offer a way to estimate motion from a sequence of images. The computation of optical flow plays a key-role in several computer vision applications, including motion detection and segmentation, frame interpolation, three ...
Remus Brad, Nusrat Sharmin
doaj   +1 more source