Results 31 to 40 of about 23,692 (285)
Frontiers in Neurology, 2022 Venous pulsatile tinnitus (PT) is characterized by an auditory perception of pulse-synchronous sound, suppressed by compression of the ipsilateral internal jugular vein.
Seung Jae Lee +11 more
doaj +1 more source
Sensors, 2020 In this work, a biological retina inspired tone mapping processor for high-speed and energy-efficient image enhancement has been proposed. To achieve high throughput and high energy efficiency, several hardware design techniques have been proposed ...
Xiaoqiang Xiang +7 more
doaj +1 more source
Identification of the formation of resonant tones in compressible cavity flows [PDF]
Aerospace Science and Technology, 2018 Abstract Identification of the fluid dynamic mechanisms responsible for the formation of resonant tones in a cavity flow is challenging. Time-frequency non-linear analysis techniques were applied to the post-processing of pressure signals recorded on the floor of a rectangular cavity at a transonic Mach number.
David Bacci +2 more
openaire +3 more sources
High Dynamic Range Mapping for Synthetic Aperture Radar Images
Telfor Journal, 2018 Luminance compression is often performed for high dynamic range images (still images and videos). A nonlinear tone mapping is applied for the compression in order to reproduce high dynamic range images using devices with a more limited (low) dynamic ...
A. Gavrovska +5 more
doaj +1 more source
Hierarchical tone mapping based on image colour appearance model
IET Computer Vision, 2014 To solve the problem of low efficiency and poor effect of the current tone mapping methods for the high dynamic range images, the authors propose a hierarchical tone mapping algorithm based on colour appearance model. The discrete Gaussian kernel is used
Jinsheng Xiao +4 more
doaj +1 more source
Journal of Low Power Electronics and Applications, 2013 Tone mapping algorithms are used to adapt captured wide dynamic range (WDR) scenes to the limited dynamic range of available display devices. Although there are several tone mapping algorithms available, most of them require manual tuning of their ...
Orly Yadid-Pecht +2 more
doaj +1 more source
IEEE Access, 2021 This short article reports two imperfections or implementation bugs of the default tone mapping operators (TMOs) of the JPEGXT HDR image compression standard.
Jianyu Lin, Wei Zhang
doaj +1 more source
COMPRESSION OF HIGH DYNAMIC RANGE OF SAR IMAGES
Системный анализ и прикладная информатика, 2018 The paper presents results of our experiments on compression of the high dynamic range SAR images. The range is equal to 16-bit. Objectives of study were comparison of known approaches to compression of the high dynamic range images; selection of optimal
Yu. I. Golub
doaj +1 more source
Enriched sensory feedback delivered during a voluntary action boosts subjective time compression
Frontiers in Psychology, 2023 IntroductionThe subjective experience of time can be influenced by various factors including voluntary actions. In our previous study, we found that the subjective time experience of an action outcome can be compressed when an individual performs a ...
Sayako Ueda +4 more
doaj +1 more source
Robust sub-50 fs cavity-laser phase stabilization for ultra-fast electron diffraction instruments [PDF]
EPJ Web of Conferences, 2019 A novel laser-RF cavity synchronization scheme was developed for ultrafast electron diffraction instruments. The approach directly generates a synchronized microwave tone by retrieving a phase-locked high-harmonic by photodetection.
Otto Martin R. +3 more
doaj +1 more source