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Highlights ► We improve sub-pixel matching for various vision problems merely through upsampling. ► It has been thoroughly discussed how scale changes affect data and regularization terms. ► We fuse results in different scales for effective error suppression. ► Effectiveness has been...
Highlights ► We propose a novel moving object detection algorithm. ► The algorithm is based on chromaticity difference model and brightness ratio model. ► Chromaticity difference model estimates the intensity difference of false foreground pixels. ► Brightness ratio model estimates the...
Highlights ► We present a graph matching method to solve the point-set correspondence problem. ► It is posed in a principled way and allows to detect outliers. ► We use relational geometrical information and soft assignments. ► We present image matching and shape retrieval experiments,...
Highlights ► We model irregular pupil boundary localization with orthogonal polynomials (OP). ► We examine local regularities using the point spread operators in the OP model. ► Edge map separates significant edge from the noise using statistical test. ► Pupil boundary points are...
Highlights ► We propose a context based system for detecting suspicious behaviour. ► We propose a context space model for distinguishing between different contexts. ► We propose the use of data stream clustering for updating and retrieving knowledge. ► We propose an inference algorithm...
Highlights ► Integrated framework for multimodal registration, sensor fusion, and tracking. ► Application in approximately far-range scene monitoring using uncalibrated cameras. ► Comprehensive survey of multimodal video surveillance state-of-the-art methods. ► Iterative feedback scheme...
Highlights ► We study the visual word incoherence, which is characterized by visually similar patches being hosted in different, not neighboring visual words. ► Visual synonyms, are linkages between visual words containing visually similar patches and present an algorithm for extracting...
Highlights ► We present two systems (CIS1 and CIS2) that allow external access to the aperture of an imaging lens. ► Neither CIS1 nor CIS2 requires the modification of the imaging lens to access aperture. ► CIS1 and CIS2 provide the external aperture plane in front of or behind the imaging...
Highlights ► This paper presents a method for the recognition of degraded iris images acquired at visible wavelengths. ► The recognition scheme is based in the definition of homogenous regions inside the iris. ► The description of each region is made by both shape and color MPEG.7...
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