Results 11 to 20 of about 86,691 (269)
RSS-Based Cooperative Localization and Orientation Estimation Exploiting Antenna Directivity
IEEE Access, 2021 In this paper, we propose a factor-graph-based cooperative positioning algorithm that uses RSS radio measurements and accounts for the directivity of the antennas. This is achieved by modeling the directivity with a parametric antenna pattern and jointly
Lukas Wielandner +2 more
doaj +1 more source
Semantic Communications for Speech Signals [PDF]
ICC 2021 - IEEE International Conference on Communications, 2021 We consider a semantic communication system for speech signals, named DeepSC-S. Motivated by the breakthroughs in deep learning (DL), we make an effort to recover the transmitted speech signals in the semantic communication systems, which minimizes the error at the semantic level rather than the bit level or symbol level as in the traditional ...
Zhenzi Weng, Zhijin Qin, Geoffrey Ye Li
openaire +2 more sources
Packet Loss Concealment Based on Phase Correction and Deep Neural Network
Applied Sciences, 2022 In a packet switching network, the performance of packet loss concealment (PLC) is often affected by inaccurate estimation of phase spectrum of speech signal in the lost packet.
Qiang Ji, Changchun Bao, Zihao Cui
doaj +1 more source
Deep Factorization for Speech Signal [PDF]
2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2018 Various informative factors mixed in speech signals, leading to great difficulty when decoding any of the factors. An intuitive idea is to factorize each speech frame into individual informative factors, though it turns out to be highly difficult. Recently, we found that speaker traits, which were assumed to be long-term distributional properties, are ...
Lantian Li +5 more
openaire +2 more sources
Effective Dereverberation with a Lower Complexity at Presence of the Noise
Applied Sciences, 2022 Adaptive beamforming and deconvolution techniques have shown effectiveness for reducing noise and reverberation. The minimum variance distortionless response (MVDR) beamformer is the most widely used for adaptive beamforming, whereas multichannel linear ...
Fengqi Tan, Changchun Bao, Jing Zhou
doaj +1 more source
Single-Anchor Positioning: Multipath Processing With Non-Coherent Directional Measurements
IEEE Access, 2020 High-accuracy indoor radio positioning can be achieved by using (ultra) wideband (UWB) radio signals. Multiple fixed anchor nodes are needed to compute the position or alternatively, specular multipath components (SMCs) extracted from radio signals can ...
Michael Rath +3 more
doaj +1 more source
iCUS: Intelligent CU Size Selection for HEVC Inter Prediction
IEEE Access, 2020 The hierarchical quadtree partitioning of Coding Tree Units (CTU) is one of the striking features in HEVC that contributes towards its superior coding performance over its predecessors.
Buddhiprabha Erabadda +3 more
doaj +1 more source
Deep4D: A Compact Generative Representation for Volumetric Video
Frontiers in Virtual Reality, 2021 This paper introduces Deep4D a compact generative representation of shape and appearance from captured 4D volumetric video sequences of people. 4D volumetric video achieves highly realistic reproduction, replay and free-viewpoint rendering of actor ...
João Regateiro +3 more
doaj +1 more source
On Preprocessing Of Speech Signals [PDF]
, 2008 Preprocessing of speech signals is considered a crucial step in the development of a robust and efficient speech or speaker recognition system. In this paper, we present some popular statistical outlier-detection based strategies to segregate the silence/unvoiced part of the speech signal from the voiced portion.
Keerio, Ayaz +4 more
openaire +1 more source
Applied Sciences, 2020 Multi-channel speech coding and enhancement is an indispensable technology in speech communication. In order to verify the effectiveness of multi-channel speech coding and enhancement methods in the research and development, a microphone array speech ...
Rui Cheng, Changchun Bao, Zihao Cui
doaj +1 more source