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Advances in Image and Video Processing at DIA: Applications, Techniques, and Quality Assessment

The 2013 DIA conference featured key presentations on image and video processing innovations. Gabriele Guarnieri and Gianni Ramponi explored high-dynamic-range images and their quality in various applications. Other topics included forensic applications by Stefano Marsi and Sergio Carrato, noise smoothing and compression techniques by Nimisha Agarwal, and quality assessment of intraocular lenses by Felice Andrea Pellegrino. Additional insights were provided on OCR methods, biomedical image processing, and video distortion control, highlighting the diverse applications and methods advancing image processing technology.

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Advances in Image and Video Processing at DIA: Applications, Techniques, and Quality Assessment

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  1. Image and Video Processing @DIA 6 June 2013 Image and Video Processing @ DIA -- 6 June 2013

  2. Presentations • Gabriele Guarnieri and Gianni Ramponi: High-dynamic-range images and their perceived quality; general-purpose and medical applications • Stefano Marsiand Sergio Carrato: Some forensic applications • Nimisha Agarwal: Three brief studies: noise smoothing; watermarking; low-complexity interpolation and compression • Felice Andrea Pellegrino: Automatic quality assessment of intraocular lenses (and more) • Eric Medvet and Alberto Bartoli: Handwritten digits OCR with SVM cascade • Francesco Brun and Patrizio Accardo, BISPLab: Three-dimensional image processing and analysis for biomedical applications • Massimiliano Comisso and Riccardo Corrado: Retry limit setting for video distortion control in 802.11e networks • ... Image and Video Processing @ DIA -- 6 June 2013

  3. Tools Properties of vision (eye optics, retinal processing) Perspective corrections Image and video interpolation (and compression) Genetic programming Machine learning High-order spectra Image tampering: non-uniformity of the sensor; JPEG statistics Multiscale image representations (for robotic painting) Invisible watermarking Edge-preserving noise removal Skeletonization, 2-D and 3-D Morphological filters Image and Video Processing @ DIA -- 6 June 2013

  4. Competences When final user is human: perceived quality -- Optical effects of misplaced lenses (intraocular lenses), mechanical eye model Qualitymetrics? exploit saliency of image parts to improve correspondence between MOS and quality metrics; use hdrvdp model histogram distance using earth mover distance for image retrieval -- Document analysis for automated acquisition of paper dox OCR, also handwritten, char. separation; SVM -- 3D medical image data: CT reconstruction algos as a function of no. of projections  use phase image micro-CT data, analysis of the porous phase -- Video transmission H264 scalable analysis of distortion due to missing packets Image and Video Processing @ DIA -- 6 June 2013

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