3 D Graphics

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

By Jean-Luc Dugelay, Atilla Baskurt, Mohamed Daoudi

ISBN-10: 0470065427

ISBN-13: 9780470065426

The coming, and carrying on with evolution, of top quality 3D items has been made attainable by way of fresh growth in 3D scanner acquisition and 3D pictures rendering.    With this expanding caliber comes a corresponding elevate within the measurement and complexity of the information records and the need for advances in compression recommendations. powerful indexing to facilitate the retrieval of the 3D information is then required to successfully shop, seek and recapture the items which have been compressed. the appliance of 3D pictures in fields equivalent to communications, medication and the army additionally demands copyright safeguard, or watermarking, to safe the information for transmission.

Written through specialist participants, this well timed textual content brings jointly the 3 vital and complementary subject matters of compression, retrieval and watermarking suggestions for 3D objects.  3D item processing purposes are constructing speedily and this booklet tackles the demanding situations and possibilities awarded, targeting the safe transmission, sharing and looking of 3D gadgets on networks, and includes: 

  • an advent to the widely used 3D illustration schemes; the features, merits and obstacles of polygonal meshes, floor established types and volumetric models; 
  • 3D compression suggestions; the 3D coding and deciphering schemes for decreasing the scale of 3D info to lessen transmission time and reduce distortion; 
  • state of the paintings responses to the intrinsic demanding situations of establishing a 3D-model seek engine, contemplating view-based, structural and full-3D approaches; 
  • watermarking strategies for   making sure highbrow estate safety and content material safety with no changing the visible caliber of the 3D object.

3D item Processing: Compression, Indexing and Watermarking is a useful source for graduate scholars and researchers operating in sign and snapshot processing, laptop aided layout, animation and imaging platforms. practicing engineers who are looking to extend their wisdom of 3D video gadgets, together with facts compression, indexing, safety, and copyrighting of knowledge, also will locate this e-book of significant use.

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

Sample text

Several authors have investigated the use of combinations of deformed supershapes to represent more and more complex 3D models. 14 illustrates a mechanical model composed with 9 supershapes associated with boolean operations. Fougerolle et al. (2005) introduced a recent algorithm to accurately polygonize such supershape combinations, and proposed a new formulation for the implicit representation (Fougerolle et al. 2006). Hyperquadrics Hyperquadrics (Vaerman et al. 1997) are a generalization of superquadrics, they enable the representation of a higher variety of shapes and do not have symmetry constraints.

Signal Processing 70(3), 177–200. Farin G 1993 Curves and surfaces for CAGD: A practical guide. Academic Press. Farrugia J and Peroche B 2004 A progressive rendering algorithm using an adaptive perceptually based image metric. Computer Graphics Forum 23(3), 605–614. Ferwerda J, Pattanaik S, Shirley P and Greenberg D 1997 A model of visual masking for computer graphics. ACM SIGGRAPH, pp. 143–152. Flin F, Brzoska JB, Lesaffre B, Col´eou C, Lamboley P, Coeurjolly D, Teytaud O, Vignoles G and Delesse JF 2005 An adaptive filtering method to evaluate normal vectors and surface areas of 3D objects.

10) were the first authors to introduce subdivision surface rules. Their schemes respectively generalized biquadratic and bicubic tensor product B-splines (Farin 1993). Today, many subdivision schemes have been developed, based on quadrilateral (Kobbelt 1996; Peters and Reif 1997) or triangular meshes (Loop 1987; Zorin et al. 1996). Recently, Stam and Loop (2003) and Schaefer and Warren (2005) have introduced subdivision schemes for mixed quad/ triangle polyhedra. Moreover, special rules have been introduced by Hoppe et al.

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