Results 111 to 120 of about 5,777,447 (338)

Human action recognition

, 2021
Aquest projecte se centra en el procés de reconeixement i classificació de les accions que realitza una persona en un moment concret, també conegut com Human Activity Recognition. Per a realitzar el reconeixement d'activitat i pose s'ha fet ús d'un algorisme de pose estimation, el qual proporciona l'esquelet de la persona i és d'ajuda per a classificar
Picazos Carrillo, Jose Antonio, Universitat Autònoma de Barcelona. Escola d'Enginyeria   +1 more
openaire   +1 more source

Action Recognition by Hierarchical Mid-Level Action Elements [PDF]

2015 IEEE International Conference on Computer Vision (ICCV), 2015
Realistic videos of human actions exhibit rich spatiotemporal structures at multiple levels of granularity: an action can always be decomposed into multiple finer-grained elements in both space and time. To capture this intuition, we propose to represent videos by a hierarchy of mid-level action elements (MAEs), where each MAE corresponds to an action ...
Lan, Tian, Zhu, Yuke, Zamir, Amir Roshan, Savarese, Silvio   +3 more
openaire   +2 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

Early Action Recognition with Action Prototypes

, 2023
Early action recognition is an important and challenging problem that enables the recognition of an action from a partially observed video stream where the activity is potentially unfinished or even not started. In this work, we propose a novel model that learns a prototypical representation of the full action for each class and uses it to regularize ...
Camporese, Guglielmo, Bergamo, Alessandro, Lin, Xunyu, Tighe, Joseph, Modolo, Davide   +4 more
openaire   +2 more sources

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Sports Dance Action Recognition System Oriented to Human Motion Monitoring and Sensing [PDF]

, 2021
Shasha Ni, Dawei Yao
openalex   +1 more source

Fast Non-parametric Action Recognition [PDF]

, 2012
In this work we propose a method for action recognition which needs no intensive learning stage, and achieves state-of-the-art classification performance. Our work is based on a method presented in the context of image classification. Unlike that method, our approach is well-suited for working with large real-world problems, thanks to an efficient ...
Ubalde, S., Goussies, N.A.
openaire   +3 more sources

Mapping the evolution of mitochondrial complex I through structural variation

FEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin, Tingting Chen, James A. Letts   +2 more
wiley   +1 more source

Modelling object mask interaction for compositional action recognition

Complex & Intelligent Systems
Human actions can be abstracted as interactions between humans and objects. The recently proposed task of compositional action recognition emphasizes the independence and combinability of verbs (actions) and nouns (humans or objects) constituting human ...
Xinya Li, Zhongwei Shen, Benlian Xu, Rongchang Li, Mingli Lu, Jinliang Cong, Longxin Zhang   +6 more
doaj   +1 more source

Action Recognition in a Crowded Environment

i-Perception, 2017
So far, action recognition has been mainly examined with small point-light human stimuli presented alone within a narrow central area of the observer’s visual field.
Laura Fademrecht, Judith Nieuwenhuis, Isabelle Bülthoff, Nick Barraclough, Stephan de la Rosa   +4 more
doaj   +1 more source