Results 61 to 70 of about 103,607 (290)
Bioengineering, 2023 Remote photoplethysmography (rPPG) is a promising contactless technology that uses videos of faces to extract health parameters, such as heart rate. Several methods for transforming red, green, and blue (RGB) video signals into rPPG signals have been ...
Fridolin Haugg +2 more
doaj +1 more source
Long-Term Image Boundary Prediction
, 2017 Boundary estimation in images and videos has been a very active topic of research, and organizing visual information into boundaries and segments is believed to be a corner stone of visual perception. While prior work has focused on estimating boundaries
Bhattacharyya, Apratim +3 more
core +1 more source
Advanced Materials, EarlyView.A green, freeform manufacturing approach that utilizes robust aqueous two‐phase systems to create intricate and scalable photonic structures and non‐planar mechanochromic hydrogel actuators from plant‐based hydroxypropyl cellulose. This approach broadens the structural possibilities of sustainable photonic devices and mechanochromic systems, offering ...
Xiao Song +14 more
wiley +1 more source
Weighting Quantization Matrices for HEVC/H.265-Coded RGB Videos
IEEE Access, 2019 In the HEVC/H.265 video coding standard, weighting quantization matrices (WQMs) are supported to take advantage of the characteristics of the human visual system (HVS).
Xiwu Shang +5 more
doaj +1 more source
Human activity recognition in RGB-D videos by dynamic images [PDF]
Multimedia Tools and Applications, 2020 Human Activity Recognition in RGB-D videos has been an active research topic during the last decade. However, no efforts have been found in the literature, for recognizing human activity in RGB-D videos where several performers are performing simultaneously.
Snehasis Mukherjee +2 more
openaire +2 more sources
All‐Optical Reconfigurable Physical Unclonable Function for Sustainable Security
Advanced Materials, EarlyView.An all‐optical reconfigurable physical unclonable function (PUF) is demonstrated using plasmonic coupling–induced sintering of optically trapped gold nanoparticles, where Brownian motion serves as a robust entropy source. The resulting optical PUF exhibits high encoding density, strong resistance to modeling attacks, and practical authentication ...
Jang‐Kyun Kwak +4 more
wiley +1 more source
Skeleton Focused Human Activity Recognition in RGB Video
, 2020 The data-driven approach that learns an optimal representation of vision features like skeleton frames or RGB videos is currently a dominant paradigm for activity recognition. While great improvements have been achieved from existing single modal approaches with increasingly larger datasets, the fusion of various data modalities at the feature level ...
Yu, Bruce X. B. +2 more
openaire +2 more sources
Advanced Materials Technologies, EarlyView.This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane +4 more
wiley +1 more source
Regions of interest selection in the tasks of contactless human pulse measurement by analyzing the RGB video stream [PDF]
E3S Web of Conferences, 2019 This paper is devoted to improving the accuracy of human pulse measurement by RGB video stream analysis. For this purpose, a study was conducted the influence of the size, location and stability of the region of interest on contactless human pulse ...
Fisunov Alexander V. +2 more
doaj +1 more source
, 2017 This paper presents an image classification based approach for skeleton-based video action recognition problem. Firstly, A dataset independent translation-scale invariant image mapping method is proposed, which transformes the skeleton videos to colour ...
Chen, Yucheng +4 more
core +1 more source