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ICASSP
2010
IEEE
15 years 6 months ago
Multiantenna spectrum sensing: Detection of spatial correlation among time-series with unknown spectra
One of the key problems in cognitive radio (CR) is the detection of primary activity in order to determine which parts of the spectrum are available for opportunistic access. This...
David Ramírez, Javier Vía, Ignacio S...
JMM2
2007
148views more  JMM2 2007»
15 years 6 months ago
Object Segmentation Using Background Modelling and Cascaded Change Detection
— The automatic extraction and analysis of visual information is becoming generalised. The first step in this processing chain is usually separating or segmenting the captured v...
Luís Filipe Teixeira, Jaime S. Cardoso, Lu&...
ICIP
2006
IEEE
16 years 8 months ago
A Real-Time Adaptive Thresholding for Video Change Detection
A real-time adaptive non-parametric thresholding algorithm for change detection is proposed in this paper. Based on the estimation of the scatter of regions of change in a differe...
Chang Su, Aishy Amer
ICIP
2003
IEEE
16 years 8 months ago
Fast face detection by lifting dyadic wavelet filters
This paper presents a fast algorithm for detecting facial parts such as nose, eyes and lips in an image by using lifting dyadic wavelet filters. Free parameters in the lifting fil...
Turghunjan Abdukirim, Koichi Niijima, Shigeru Taka...
ICIP
2000
IEEE
16 years 8 months ago
Low Complexity Cut Detection in the Presence of Flicker
This paper deals with techniques to detect abrupt scene transitions when random brightness variations (flicker) are present. This is normally the case when trying to restore or in...
Antonio Albiol, Valery Naranjo, Jesús Angul...