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ICASSP
2007
IEEE
15 years 4 months ago
Robust Adaptive Beamforming Algorithm using Instantaneous Direction of Arrival with Enhanced Noise Suppression Capability
In this paper, we propose a novel adaptive beamforming algorithm with enhanced noise suppression capability. The proposed algorithm incorporates the sound-source presence probabil...
Byung-Jun Yoon, Ivan Tashev, Alex Acero
TWC
2010
14 years 4 months ago
Reduced-Complexity Joint Baseband Compensation of Phase Noise and I/Q Imbalance for MIMO-OFDM Systems
The maximum likelihood estimate of the impulse response of a frequency-selective channel in the presence of phase noise and I/Q imbalance is derived. The complexity of the joint es...
Rabie Rabiei, Won Namgoong, Naofal Al-Dhahir
ICIP
2005
IEEE
15 years 11 months ago
Homogeneity-based directional sigma filtering of video noise
This paper proposes a real-time method for the reduction of white Gaussian video noise. The method achieves a maximum gain of 4.8 dB and is capable of preserving image content. It...
Mohammed Ghazal, Aishy Amer, Ali Ghrayeb
ICMCS
2007
IEEE
121views Multimedia» more  ICMCS 2007»
14 years 10 months ago
A New Approach to Impulse Noise Removal for Color Image
This paper presents a new two-stage approach to impulse noise removal for color image. The first step is the impulse detection, in which the so-called Rank-Ordered Absolute Diffe...
Qing Xu 0002, Rui Zhang, Mateu Sbert
ICMCS
2007
IEEE
136views Multimedia» more  ICMCS 2007»
15 years 4 months ago
Improvements on Sensor Noise Based Source Camera Identification
In [1], a novel method for identifying the source camera of a digital image is proposed. The method is based on first extracting imaging sensor’s pattern noise from many images...
Yagiz Sutcu, Sevinc Bayram, Husrev T. Sencar, Nasi...