Download 3D Object Processing: Compression, Indexing and Watermarking by Jean-Luc Dugelay, Atilla Baskurt, Mohamed Daoudi PDF

By Jean-Luc Dugelay, Atilla Baskurt, Mohamed Daoudi

The arriving, and carrying on with evolution, of top of the range 3D items has been made attainable through fresh development in 3D scanner acquisition and 3D photos rendering.    With this expanding caliber comes a corresponding bring up within the measurement and complexity of the information documents and the need for advances in compression strategies. powerful indexing to facilitate the retrieval of the 3D facts is then required to successfully shop, seek and recapture the items which have been compressed. the applying of 3D photos in fields reminiscent of communications, medication and the army additionally demands copyright security, or watermarking, to safe the knowledge for transmission.

Written via professional individuals, this well timed textual content brings jointly the 3 very important and complementary issues of compression, retrieval and watermarking ideas for 3D objects.  3D item processing purposes are constructing swiftly and this e-book tackles the demanding situations and possibilities awarded, targeting the safe transmission, sharing and looking of 3D items on networks, and includes: 

  • an advent to the widely used 3D illustration schemes; the features, merits and boundaries of polygonal meshes, floor dependent types and volumetric models; 
  • 3D compression thoughts; the 3D coding and interpreting schemes for lowering the dimensions of 3D information to minimize transmission time and reduce distortion; 
  • state of the artwork responses to the intrinsic demanding situations of creating a 3D-model seek engine, contemplating view-based, structural and full-3D approaches; 
  • watermarking ideas for   making sure highbrow estate safety and content material safety with no changing the visible caliber of the 3D item.

3D item Processing: Compression, Indexing and Watermarking is a useful source for graduate scholars and researchers operating in sign and photo processing, desktop aided layout, animation and imaging structures. working towards engineers who are looking to extend their wisdom of 3D video gadgets, together with info compression, indexing, safety, and copyrighting of data, also will locate this e-book of significant use. content material:
Chapter 1 easy history in 3D item Processing (pages 5–43): Guillaume Lavoue
Chapter 2 3D Compression (pages 45–86): Guillaume Lavoue, Florent Dupont and Professor Atilla Baskurt
Chapter three 3D Indexing and Retrieval (pages 87–138): Stefano Berretti, Mohamed Daoudi, Alberto Del Bimbo, Tarik Filali Ansary, Pietro Pala, Julien Tierny and Jean?Phillippe Vandeborre
Chapter four 3D item Watermarking (pages 139–183): Jihane Bennour, Professor Jean?Luc Dugelay, Emmanuel Garcia and Dr Nikos Nikolaidis

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Additional resources for 3D Object Processing: Compression, Indexing and Watermarking

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When an application requires low bit rates, a controlled loss of information is necessary (lossy compression) in order to enhance these bit rates. The losses can take the form of blocking effects, reduced color quality, or slight local deformations or imprecision on the reconstruction of a 3D object. 1). Redundancy detection and reduction Redundancy can be defined as the amount of similarity between the symbols generated by an information source. It may be spatial (in neighboring pixels or vertices), spectral (between the red, green and blue components, for instance), or temporal (between successive planes of video or animated 3D objects).

2007. 19 Triangular mesh of the north of Corsica, reconstructed according to a digital elevation model. Courtesy of DISI by the AIM@SHAPE Shape repository over very long distances and thus is particularly suitable for measuring large scenes. 19 illustrates a triangular mesh of the north of Corsica, reconstructed according to a digital elevation model. The other technology is the triangulation scanner which emits a beam toward the object and uses a camera to analyze the location of the laser dot on the object.

They proposed a masking model, extending the 36 Basic Background in 3D Object Processing Daly VDP, which demonstrates how surface texture can mask the polygonal tessellation. Most of the work on 3D perceptual distances has focused on three specific applications: realistic rendering, mesh simplification and evaluation of specific processes (compression or watermarking). The objective of perceptually driven rendering is to determine, according to the location of the observer, which level of detail (LoD) to use to satisfy frame rate and image quality requirements.

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