Results 21 to 30 of about 11,575,804 (317)
Coronavirus at the end of the world: Antarctica matters
The potential impact of coronavirus in Antarctica through tourism and scientific research as well as the Antarctic Treaty System is reviewed over three time periods.
Bob Frame, Alan D. Hemmings
doaj +1 more source
Rate-Distortion Optimization Based on Two-Pass Encoding for HEVC
Rate-distortion optimization (RDO) is a crucial technique in block-based hybrid video encoders, which determines the coding option for a certain coding unit to achieve optimal rate-distortion (R-D) performance.
Hongwei Guo +4 more
doaj +1 more source
Robust gait recognition from extremely low frame-rate videos [PDF]
In this paper, we propose a gait recognition method for extremely low frame-rate videos. Different from the popular temporal reconstruction-based methods, the proposed method uses the average gait over the whole sequence as input feature template ...
Choudhury, Sruti Das +2 more
core +1 more source
Non-singular pre-big bang scenarios from all-order α′ corrections
We reformulate in Hamiltonian language the recent proposal by Hohm and Zwiebach of an action yielding the most general O(d, d)-symmetric string cosmology equations, at tree-level in the string-loop expansion, but to all orders in the α′ expansion.
M. Gasperini, G. Veneziano
doaj +1 more source
Requirements and Hardware Limitations of High-Frame-Rate 3-D Ultrasound Imaging Systems
The spread of high frame rate and 3-D imaging techniques has raised pressing requirements for ultrasound systems. In particular, the processing power and data transfer rate requirements may be so demanding to hinder the real-time (RT) implementation of ...
Claudio Giangrossi +6 more
doaj +1 more source
Free constructions and coproducts of d-frames
A general theory of presentations for d-frames does not yet exist. We review the difficulties and give sufficient conditions for when they can be overcome. As an application we prove that the category of d-frames is closed under coproducts.
Jakl, Tomás, Jung, Achim
openaire +4 more sources
Monitoring the degradation of the dynamic elastic modulus (Ed) of concrete is of great importance to track the durability deterioration for hydraulic concrete structures.
Xiaobin Lu, Xiulin Li, Jun Xiao, Meng Li
doaj +1 more source
Stellar Half-mass Radii of 0.5 z < 2.3 Galaxies: Comparison with JWST/NIRCam Half-light Radii
We use CEERS JWST/NIRCam imaging to measure rest-frame near-IR light profiles of 435 M _⋆ > 10 ^10 M _⊙ galaxies in the redshift range of 0.5 < z < 2.3.
Arjen van der Wel +15 more
doaj +1 more source
Hysteretic Characteristics of Wood-Frame Structures Under Seismic Motions [PDF]
In order to develop seismic codes that can effectively mitigate damage to wood-frame construction under seismic activity, the dynamic characteristics of wood-frame buildings must be well understood.
Sutoyo, Daniel
core +1 more source
A Hybrid 3D Descriptor With Global Structural Frames and Local Signatures of Histograms
An effective feature descriptor is important for the 3-D object recognition and reconstruction. This paper presents a novel 3-D Frame-signature of histograms of orientation (SHOT) descriptor which combines the global structural frame with local surface ...
Zhiqiang Shen, Xin Ma, Yibin Li
doaj +1 more source

