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Vladan Velisavljevic

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Related publications (5)

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Directionlets: Anisotropic Multidirectional representation with separable filtering

Martin Vetterli, Pier Luigi Dragotti, Vladan Velisavljevic

In spite of the success of the standard wavelet transform (WT) in image processing in recent years, the efficiency of its representation is limited by the spatial isotropy of its basis functions built in the horizontal and vertical directions. One-dimensio ...

2006

User-Action-Driven View and Rate Scalable Multiview Video Coding

Vladan Velisavljevic

We derive an optimization framework for joint view and rate scalable coding of multi-view video content represented in the texture plus depth format. The optimization enables the sender to select the subset of coded views and their encoding rates such that ...

Ieee-Inst Electrical Electronics Engineers Inc2013

Space-frequency quantization for image compression with directionlets

Martin Vetterli, Vladan Velisavljevic

The standard separable 2-D wavelet transform (WT) has recently achieved a great success in image processing because it provides a sparse representation of smooth images. However, it fails to efficiently capture 1-D discontinuities, like edges or contours. ...

2007

Low-Rate Reduced Complexity Image Compression using Directionlets

Martin Vetterli, Pier Luigi Dragotti, Vladan Velisavljevic

The standard separable two-dimensional (2-D) wavelet transform (WT) has recently achieved a great success in image processing because it provides a sparse representation of smooth images. However, it fails to capture efficiently one-dimensional (1-D) disco ...

2006

Directionlets : anisotropic multi-directional representation with separable filtering

Vladan Velisavljevic

Efficient representation of geometrical information in images is very important in many image processing areas, including compression, denoising and feature extraction. However, the design of transforms that can capture these geometrical features and repre ...

EPFL2005