2/06/2015 | pag. 1 Department of Electronics & Informatics (ETRO) Contact: Prof. Jan Cornelis – Tel: +32 2 6292931.

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Presentation transcript:

2/06/2015 | pag. 1 Department of Electronics & Informatics (ETRO) Contact: Prof. Jan Cornelis – Tel:

VUB-ETRO 2/06/2015 | pag. 2 Department of Electronics and Informatics (ETRO) 138 Collaborators (50% from outside Belgium, 18 nationalities) Project portfolio 4M€/year (7,5 % of VUB R&D budget in 2005) Extensive patent portfolio (1/3 of VUB patents in 2005) Over 50 running partnerships with large companies and SMEs Associated lab in IBBT, IMEC, IncGeo and DISC

VUB-ETRO 2/06/2015 | pag. 3 Showcase Dept. of Electronics and Informatics – Vrije Universiteit Brussel

VUB-ETRO 2/06/2015 | pag. 4 Industrial Collaborations

VUB-ETRO 2/06/2015 | pag. 5 Department of Electronics and Informatics (ETRO) Image Processing Research Team (IRIS) Key competences –Image and video processing –Multimedia coding and transmission –Machine & computer vision –Pattern recognition Applications – multimedia applications, medical imaging, e-Health, industrial visual inspection, humanitarian demining, remote sensing, Positioning and tracking technologies Success Stories –Adoption of technologies by JPEG and MPEG- standards –European expertise centre for humanitarian demining

2/06/2015 | pag. 6 IRIS – Multimedia Group Peter Schelkens, Adrian Munteanu

VUB-ETRO 2/06/2015 | pag. 7 Focus Scalability and Error Resilience

VUB-ETRO 2/06/2015 | pag. 8 Scalable Image Coding DCT-based techniquesDCT-based techniques –JPEG Wavelet-based codingWavelet-based coding –QT-L –JPEG2000 (JP3D, JPIP & JPSearch) –Region-of-interest Coding Coding based on new geometric transformsCoding based on new geometric transforms –Edgelets, Curvelets, Contourlets … –Advanced Image Coding (AIC)

VUB-ETRO 2/06/2015 | pag. 9 Scalable Video Coding spatial resolution temporal resolution 4CIF CIF QCIF bit-rates high low

VUB-ETRO 2/06/2015 | pag. 10 Scalable Video Coding Advanced motion estimation and compensation –Multi-hypothesis ME/MC (variable block size, subpixel accuracy, multiple reference frames …) –Motion compensated temporal filtering –Spatial and wavelet domain approaches –Deblocking techniques Scalable motion vector coding Spatial transforms –DCT –Wavelets –New geometrical transforms Entropy coding Rate-distortion optimisation techniques (e.g. LRA) Transcoding –E.g. MPEG-2 to MPEG-4 AVC Multiview video coding (MVC)

VUB-ETRO 2/06/2015 | pag. 11 Scalable Coding and Animation of 3D Graphics

VUB-ETRO 2/06/2015 | pag. 12 Error Resilient Coding FEC, LDPC … Joint-Source Channel Coding –RD optimisation strategies 1 iteratie10 iteraties20 iteraties30 iteraties Transmission of uncoded image in packets of 600 bytes over a BEC with 30% erasures and protection with a regular (3,6)-LDPC code

VUB-ETRO 2/06/2015 | pag. 13 Multiple Description Coding MD of texture and motion data MD Quantisers RD optimisation strategies Coder Description 1 Description 2 Received Original Image Error Selected information Decoder Decoded Image

VUB-ETRO 2/06/2015 | pag. 14 Distributed Source Coding DVC is a potential solution to meet new requirements for video coding –Allows sharing complexity between encoder and decoder –Has inherent robustness against errors –Allows for distributed processing Architectural studies RD Optimisation strategies

VUB-ETRO 2/06/2015 | pag. 15 E-mobility: Research interests What is of interest for us: –Research on Mobile Multimedia, and in particular on coding systems enabling Mobile Multimedia –Providing optimized End-to-End Quality of Experience in multimedia systems deployed over heterogeneous networks –Context awareness (e.g. providing accurate localization services in buildings)