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Search results for: noise
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Year: 2020, Volume: 20, Number: 3
... which was phenomenon of stochastic resonance (SR). Noise is initially thought to detect spikes and bursts from ... first explanation for the Brownian motion in his Ph.D. signal-to-noise ratio, in each measured channel. The results ... and the noise: Psignal SNR € (6) Pnoise In equation (6 ), Psignal represents the ...
Year: 2011, Volume: 11, Number: 4
... Volume 11, Number 4, 2011 Line Spectral Frequency-based Noise Suppression for Speech-Centric Interface of Smart Devices Gil-Jin JANG1 ... of this paper is organized as follows. of background noises introduce intelligibility loss while Section II reviews several previous ... , which are necessary in most scenarios. The simulated signal-to-noise ratios (SNRs) are conventional noise suppression methods ...
Year: 2010, Volume: 10, Issue: 4
... in the denoising of images affected by additive white Gaussian noise WT domain. Basically, there are two categories ... bishrink filter [5]. where s represents the noiseless input image and n the noise. The structure ... composed by two sequences of complex The model of the noise-free image in [5] is: 3 2 ...
Year: 2022, Volume: 22, Number: 1
... 22, Number 1, 2022 Image Forgery Detection Using Noise and Edge Weighted Local Texture Features Khurshid ASGHAR1, ... been utilized for the classification [36- A blind signal-to-noise ratio (SNR) estimator was developed 37] ... makes the forged images a given image I, its denoised version ID is obtained by different from authentic images ...
Year: 2011, Volume: 11, Number: 3
... 11, Number 3, 2011 A Combined Feedback and Noise Cancellation Algorithm for Binaural Hearing Aids Haeng-Woo LEE 1 ... also canceller operates to cancel the feedback signal in the noises for high quality of hearing. To improve the ... for noise reduction. feedback canceller, 10.19dB SNR(speech-to-noise ratio) Our approach is to operate the feedback ...
Year: 2022, Volume: 22, Number: 2
... €” Minimum mean-square error (MMSE) coloured or non-stationary noise sources during active approaches have been shown to achieve ... . The experimental sense is proposed to minimize the background noises in investigation shows that the speech enhancement performance different ... of the speech signal. In [9 ], the short- of an MMSE approach that utilizes LSTM-FCN ...
Year: 2018, Volume: 18, Number: 4
... ufuktanyeri@ankara.edu.tr Abstract €” Its multiplicative nature complicates speckle noise reduction in images because of the effort required for ... Problem with a conventional nonlinear diffusion filter I. INTRODUCTION Noises in images have either additive or multiplicative In 2001 ... ], Lee and Wiener's filters were employed to the denoise image for the reason that speckle Figure 6. ...
Year: 2014, Volume: 14, Number: 4
... Analysis of Turbo-Coded Decode-and-Forward Relay Channels with Middleton Class-A Impulsive Noise Mihaela ANDREI1, Lucian TRIFINA2, Daniela TARNICERIU2 1 ... ƒ— w, (4) variances corresponding to Gaussian noises on the source- where xg is the white ... background noise sample relay, source-destination and relay-destination channels, with zero mean and variance g 2, w ...
Year: 2019, Volume: 19, Number: 4
... signal decision tree decision method is used to realize the noise- recognition in Gaussian environment. Then through the ... , 2019 Simulation conditions: Assuming training signal set baud signal-to-noise ratio is greater than -3dB, the signal The ... 8000, verify signal set baud rate are 7000, 8000, 9000, recognition rate can reach more than ...
10. A Proposed Signal Reconstruction Algorithm over Bandlimited Channels for Wireless Communications
Year: 2023, Volume: 23, Number: 1
... frequencies that are very bandlimited noiseless and additive white gaussian noise close to zero when compared to its highest frequency ... of the normalized mean square error (NMSE) in noiseless and noisy channels. The proposed research articles that ... and other analog signals proposed scheme in the case of noise-free and AWGN over any bandlimited channel. channels for ...
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