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Noise Estimation in Video Surveillance Systems
2009 WRI World Congress on Computer Science and Information Engineering, 2009Noise estimation plays an important role in the evaluation of video quality. In video surveillance systems, noise is mainly introduced by the camera and the quantization process. This paper proposes a method to estimate the noise in video communication systems.
Li Jin-chao, Tang Hui-ming, Lu Chao
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A Note on Video Noise Weighting
IEEE Transactions on Broadcasting, 1964A dicussion on video noise weighting is presented. A standard way of comparing results is proposed.
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Adaptive surveillance video noise suppression
2011 24th Canadian Conference on Electrical and Computer Engineering(CCECE), 2011We propose an adaptive surveillance video noise filter (ASVNF) using models for marginal distributions of wavelet coefficients. In order to suppress mixture Poisson-Gaussian noise for surveillance video, the wavelet domain based denoising function in the ASVNF adapts its output to the local spatial video structure and the property of the video noise ...
Zhengya Xu +3 more
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Analysis and suppression of noise in astronomical video
Proceedings of 21st International Conference Radioelektronika 2011, 2011This paper is devoted to noise suppression in systems for double station observation of meteors, nowadays known as MAIA (Meteor Automatic Imager and Analyzer). The noise analysis based on acquisition of testing video sequences at different lighting conditions and their statistical evaluation were described in our previous paper.
Jan Svihlik +5 more
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Noise reduction in SEM video signals
International Journal of Electronics, 1976Linear filtering methods of noise reduction in SEM video signals are discussed. It is shown that time-averaging filters distort and corrupt the signal to obtain optimum signal to noise ratio. Ensemble averaging filters are demonstrated as the better, since no signal distortion occurs.
P. A. TAYLOR, D. EVERETT, A. GOPINATH
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1993
Media theory, it is no longer a novelty to say, has a problem with sound. Film and television theorists have, until recently, rarely set themselves the task of understanding the soundtrack, and even more rarely the does the problem of articulating sound and image come up.
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Media theory, it is no longer a novelty to say, has a problem with sound. Film and television theorists have, until recently, rarely set themselves the task of understanding the soundtrack, and even more rarely the does the problem of articulating sound and image come up.
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Noise-canceling microphone for video cameras
IEEE Transactions on Consumer Electronics, 1990A novel noise-canceling microphone was developed for compact video cameras. Simple in structure, this microphone system enables elimination of acoustic noise generated by a noise source just behind the system, as well as vibration noise. It is confirmed that it is possible to achieve high-quality recorded sound with the system, and that it can be ...
K. Ono, M. Matsumoto, H. Naono
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Video Noise Reduction In Telecine Systems
SPIE Proceedings, 1989A telecine is a motion picture scanner used to generate high quality video recordings of motion pictures. The noise characteristics of a telecine system were analyzed to determine a suitable scheme for reducing video noise across non-moving portions of a temporal sequence of images. It was found that while in principle median filtering is better than a
Glenn Kennel, Mysore Raghuveer
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Evaluating video quality with temporal noise
2010 IEEE International Conference on Multimedia and Expo, 2010Human can only perceive video distortions beyond certain intensity. Temporal variations of suprathreshold noise in a video induce annoying temporal noise (e.g., flickering artifacts). Prior studies on full-reference video quality assessment (VQA) focused mainly on spatial quality of impaired videos, and ignored or underestimated the impact of temporal ...
Yin Zhao, Lu Yu
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A new equipment for the measurement of video noise
Radio and Electronic Engineer, 1971Describes a video noise measuring equipment which has been developed to meet the needs of a television broadcasting organization. The various measuring techniques available for this purpose are reviewed and the chosen method, which employs a sampling technique, is fully described.
F.H. Wise, D.R. Brian
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