Blind Impulse Estimation and Removal Using Sparse Signal Decomposition Framework for OFDM Systems
Sign Up to like & getrecommendations! Published in 2018 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-017-0573-y
Abstract: Orthogonal frequency-division multiplexing (OFDM) is a multi-carrier modulation scheme that has been employed in many communication standards. The performance of OFDM is severely degraded by the presence of impulsive noise caused due to different nonlinear… read more here.
Keywords: impulse noise; framework; removal; blind impulse ... See more keywords
Maximum Absolute Relative Differences Statistic for Removing Random-Valued Impulse Noise from Given Image
Sign Up to like & getrecommendations! Published in 2018 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-017-0655-x
Abstract: In this work, we suggest a new impulse statistic and a new spatial gradient to design a trilateral filter for removal of mixture of Gaussian and impulse noise from a noisy image. The proposed impulse… read more here.
Keywords: differences statistic; impulse noise; image; relative differences ... See more keywords
Primal-Dual Method for Hybrid Regularizers-Based Image Restoration with Impulse Noise
Sign Up to like & getrecommendations! Published in 2019 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-018-0918-1
Abstract: With the aim of improving the restoration accuracy, this article introduces a hybrid regularizers approach to recovering images corrupted by impulse noise. The proposed model closely incorporates the superiorities of two recently developed methods: the… read more here.
Keywords: image; impulse noise; hybrid regularizers; method ... See more keywords
Iterative scheme-inspired network for impulse noise removal
Sign Up to like & getrecommendations! Published in 2018 at "Pattern Analysis and Applications"
DOI: 10.1007/s10044-018-0762-8
Abstract: This paper presents a supervised data-driven algorithm for impulse noise removal via iterative scheme-inspired network (IIN). IIN is defined over a data flow graph, which is derived from the iterative procedures in Alternating Direction Method… read more here.
Keywords: impulse noise; iterative scheme; noise removal; noise ... See more keywords
RNLp: Mixing Nonlocal and TV-Lp Methods to Remove Impulse Noise from Images
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mathematical Imaging and Vision"
DOI: 10.1007/s10851-018-0856-3
Abstract: We propose a new variational framework to remove random-valued impulse noise from images. This framework combines, in the same energy, a nonlocal $$L^p$$Lp data term and a total variation regularization term. The nonlocal $$L^p$$Lp term… read more here.
Keywords: nonlocal methods; impulse noise; mixing nonlocal; noise images ... See more keywords
A new cluster based adaptive fuzzy switching median filter for impulse noise removal
Sign Up to like & getrecommendations! Published in 2017 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-017-4757-z
Abstract: A new clustering technique based on most allied directional neighbors is proposed to suppress low and high-density impulse noise from digital images. Most allied neighbors exhibit a vital role in estimation as well restoration of… read more here.
Keywords: gradient values; new cluster; impulse noise; cluster based ... See more keywords
A novel error detection & concealment technique for videos streamed over error prone channels
Sign Up to like & getrecommendations! Published in 2019 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-019-7639-8
Abstract: In video streaming services and applications, impulse noise occurs due to transmission errors or sometimes it is introduced during signal acquisition. The work presented in this paper proposes a novel impulse noise detection and mitigation… read more here.
Keywords: technique; video; detection; impulse noise ... See more keywords
Removal of impulse noise from color images based on the localized image characteristics and noise level
Sign Up to like & getrecommendations! Published in 2018 at "Signal, Image and Video Processing"
DOI: 10.1007/s11760-018-1292-y
Abstract: The proposed method is a switching vector median filter that utilizes suitable noise detection and restoration algorithms for different impulse noise densities. It works in a multistage manner with an enhancing accuracy of noise detection… read more here.
Keywords: window; image; impulse noise; edge window ... See more keywords
Iterative impulse noise and large scale single frequency noise mitigation for underwater acoustic OFDM
Sign Up to like & getrecommendations! Published in 2017 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2016.11.017
Abstract: Abstract Joint and separate designs for impulse noise and large scale single frequency noise mitigation are proposed to ensure high robustness in orthogonal frequency division multiplexing (OFDM) systems. Iterative design is used to obtain a… read more here.
Keywords: large scale; single frequency; impulse noise; frequency ... See more keywords
Impulse noise measurement in view of noise hazard assessment and use of hearing protectors
Sign Up to like & getrecommendations! Published in 2023 at "International Journal of Occupational Safety and Ergonomics"
DOI: 10.1080/10803548.2023.2174700
Abstract: Experience shows the occurrence of situations when the measurements of impulse noise parameters are made with measurement equipment unsuitable for such conditions. The results of using such equipment were compared with the results of using… read more here.
Keywords: impulse noise; hearing; equipment; measurement ... See more keywords
A Two-Stage Algorithm for the Detection and Removal of Random-Valued Impulse Noise Based on Local Similarity
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3040760
Abstract: A two-stage denoising algorithm based on local similarity is proposed to process lowly and moderate corrupted images with random-valued impulse noise in this paper. In the noise detection stage, the pixel to be detected is… read more here.
Keywords: impulse noise; stage; local similarity; noise ... See more keywords