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Polynomial texture maps

Tom Malzbender, Dan Gelb, Hans Wolters
2001 Proceedings of the 28th annual conference on Computer graphics and interactive techniques - SIGGRAPH '01  
Unlike bump maps, these Polynomial Texture Maps (PTMs) also capture variations due to surface self-shadowing and interreflections, which enhance realism.  ...  In this paper we present a new form of texture mapping that produces increased photorealism.  ...  Introduction Polynomial Texture Mapping enables greatly improved realism over conventional methods.  ... 
doi:10.1145/383259.383320 dblp:conf/siggraph/MalzbenderGW01 fatcat:4a45udxn3nexlar4iweoki3h3m

Edge Detection on Polynomial Texture Maps [chapter]

Cristian Brognara, Massimiliano Corsini, Matteo Dellepiane, Andrea Giachetti
2013 Lecture Notes in Computer Science  
In this paper we propose a simple method to extract edges from Polynomial Texture Maps (PTM) or other kinds of Reflection Transformation Image (RTI) files.  ...  Normals are estimated using a photometric stereo approach, derivatives along image axes directions are computed in a multiscale framework providing normal discontinuity and orientation maps and lines are  ...  Polynomial Texture Maps: Acquisition and Interpretation A PTM can be generated using different light directions sampling.  ... 
doi:10.1007/978-3-642-41181-6_49 fatcat:ntbku6v2fzckvngdghwlzzw2qm

3D Surface Reconstruction Using Polynomial Texture Mapping [chapter]

Mohammed Elfarargy, Amr Rizq, Marwa Rashwan
2013 Lecture Notes in Computer Science  
In this paper, a new image-based modeling technique based on Polynomial Texture M ap ping (PTM ) is presented.  ...  A single PTM is used to generate a uniformly lit diffuse map, a normal map and a height map. The three maps are used to reconstruct a 3D texture-mapped surface.  ...  Introduction Polynomial Texture Maps (PTM) were first introduced by Malzbender et al [1] .  ... 
doi:10.1007/978-3-642-41914-0_35 fatcat:oplg5mm4brdonmucpamg556gki

Virtual whitening of fossils using polynomial texture mapping

Ø Hammer, J Spocova
2013 Palaeontologia Electronica  
Polynomial Texture Mapping (PTM) is an established technique of digital photography, allowing virtual relighting and modification of surface reflective properties in order to bring out subtle detail.  ...  Polynomial Texture Mapping The Polynomial Texture Mapping (PTM) technique was introduced by Malzbender et al. (2000 Malzbender et al. ( , 2001 .  ...  The luminosity polynomial for each pixel is fitted to the acquired image stack data using a leastsquares method.  ... 
doi:10.26879/384 fatcat:yintthdpsfffdfwubbzn72q5hq

Specularity and Shadow Interpolation via Robust Polynomial Texture Maps

Mark S. Drew, Nasim Hajari, Yacov Hel-Or, Tom Malzbender
2009 Procedings of the British Machine Vision Conference 2009  
Polynomial Texture Maps (PTM) [SIGGRAPH 2001] form an alternative method for apprehending surface colour and albedo that extends a simple model of image formation from the Lambertian variant of Photometric  ...  Introduction A strength of Polynomial Texture Maps (PTM) [10] , in comparison to a simple Lambertian Photometric Stereo (PST) [20] , is that a polynomial regression from lighting directions to observed  ...  Interpolation nodes are mapped exactly, but the interpolated function might model the underlying dependency well or not, depending on the amount of smoothing applied.  ... 
doi:10.5244/c.23.114 dblp:conf/bmvc/DrewHHM09 fatcat:wga57su2nfgh3ccs2ix5eas4lq

Application of polynomial texture mapping in process of digitalization of cultural heritage [article]

Branko Malesevic, Ratko Obradovic, Bojan Banjac, Ivana Jovovic, Milica Makragic
2013 arXiv   pre-print
In this paper we present modern texture mapping techniques and several applications of polynomial texture mapping in cultural heritage programs.  ...  We also consider some well-known and some new methods for mathematical procedure that is involved in generation of polynomial texture maps.  ...  Application of polynomial texture mapping Polynomial texture mapping is considerably young technology, but it has already found many applications.  ... 
arXiv:1312.6935v1 fatcat:vyrjbjwgjneqrblufjvz37wwxa

Archaeological applications of polynomial texture mapping: analysis, conservation and representation

Graeme Earl, Kirk Martinez, Tom Malzbender
2010 Journal of Archaeological Science  
Polynomial Texture Mapping is an image capture and processing technique that was developed by HP Labs in 2000.  ...  Results We have now applied Polynomial Texture Mapping in a wide range of archaeological contexts.  ...  Polynomial Texture Maps were produced of the statue with the assistance of the Soprintendenza Speciale per i Beni Archeologici di Napoli e Pompei.  ... 
doi:10.1016/j.jas.2010.03.009 fatcat:uiqie5haurhjzm3sonrswbwdgi

Robust Luminance and Chromaticity for Matte Regression in Polynomial Texture Mapping [chapter]

Mingjing Zhang, Mark S. Drew
2012 Lecture Notes in Computer Science  
Polynomial Texture Mapping (PTM) is a technique employed in a variety of settings, from museums to in-the-field image capture to multi-illuminant microscopy.  ...  For the first stage, recovering an underlying matte model so as to acquire surface albedo, normals and chromaticity, PTM employs polynomial regression at each pixel, mapping lightdirection to luminance  ...  Introduction Polynomial Texture Maps (PTM) [1] use a single fixed digital camera at constant exposure, with a set of n images captured using lighting from different directions.  ... 
doi:10.1007/978-3-642-33868-7_36 fatcat:o2jlp5nncza4djqhn55el5zvka

Efficient robust image interpolation and surface properties using polynomial texture mapping

Mingjing Zhang, Mark S Drew
2014 EURASIP Journal on Image and Video Processing  
Polynomial texture mapping (PTM) uses simple polynomial regression to interpolate and re-light image sets taken from a fixed camera but under different illumination directions.  ...  the model to include a low-order polynomial of lighting-direction components.  ...  Introduction Polynomial texture mapping (PTM) [1] uses a single fixed digital camera at constant exposure, with a set of n images captured using lighting from different directions.  ... 
doi:10.1186/1687-5281-2014-25 fatcat:3sghvw5bvnfltdhnzjpl6zcori

Acquisition, Representation and Rendering of Real-World Models using Polynomial Texture Maps in 3D [article]

Elaine Vassallo, Sandro Spina, Kurt Debattista
2013 Computer Graphics and Visual Computing  
The Kinect sensor itself is used to acquire texture and reflectance information which is represented using multiple Polynomial Texture Maps.  ...  We present processing pipelines for both geometry and texture, and finally our work examines how the acquired and processed geometry, texture, and reflectance behaviour information can be mapped together  ...  A Polynomial Texture Map (PTM) is a type of texture in which each texel, instead of being defined as having a fixed colour value, is defined by a second-order bi-quadratic polynomial function [MGW01]  ... 
doi:10.2312/localchapterevents.tpcg.tpcg13.077-084 dblp:conf/tpcg/VassalloSD13 fatcat:jeswx63pprfbho6ttr2l6negxm

TECHNIQUES FOR REVEALING 3D HIDDEN ARCHEOLOGICAL FEATURES: MORPHOLOGICAL RESIDUAL MODELS AS VIRTUAL-POLYNOMIAL TEXTURE MAPS

H. Pires, J. Martínez Rubio, A. Elorza Arana
2015 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
<br><br> Afterwards, we have simulated the process of building Polynomial Texture Maps - a widespread technique that as been contributing to archaeological studies for some years - in a 3D virtual environment  ...  We are still using the same types of visual codes as when maps and drawings were made by hand.  ...  Polynomial Texture Mapping Another technique that is achieving an important place in archaeological recording is the Polynomial Texture Mapping (PTM) (Malzbender et al., 2011) .  ... 
doi:10.5194/isprsarchives-xl-5-w4-415-2015 fatcat:777fp7k5ifhlxhjm33mvszjaiq

Approximation techniques for high performance texture mapping

Mehmet Demirer, Richard L. Grimsdale
1996 Computers & graphics  
Accurate perspective mapping in real-time requires costly division operations per pixel and therefore ap proximation techniques are often employed.  ...  These per mit the mapping to be performed by interpolation, but generally with a significant set-up cost for the computa tion of the parameters.  ...  . , A Survey of Texture Mapping, IEEE Computer Graphics and Applications, Nov. 1986 6.  ... 
doi:10.1016/0097-8493(96)00020-9 fatcat:nhknoze6irfnrmny5hj5dpqlde

High-Quality Unstructured Volume Rendering on the PC Platform [article]

Stefan Guthe, Stefan Roettger, Andreas Schieber, Wolfgang Strasser, Thomas Ertl
2002 Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware - HWWS '04  
Since we are using standard 2D multi-texturing we are not limited in the size of the pre-integration table.  ...  For regular grids, this approach leads to a two-dimensional pre-integration table which easily fits into texture memory.  ...  This is similar to the polynomial texture mapping approach of Malzbender et al. 5 , which reconstructs the colors of a surface by a biquadratic polynomial.  ... 
doi:10.2312/eggh/eggh02/119-125 fatcat:mvtugyfptvamrdkquw5hd3tg4i

Support vector machines for texture classification

Kwang In Kim, Keechul Jung, Se Hyun Park, Hang Joon Kim
2002 IEEE Transactions on Pattern Analysis and Machine Intelligence  
Experimental results demonstrate the effectiveness of SVMs in texture classification.  ...  This paper investigates the application of support vector machines (SVMs) in texture classification.  ...  One of these mappings (induced by a polynomial kernel) takes the p-order correlations between the entries x i of the input vector x.  ... 
doi:10.1109/tpami.2002.1046177 fatcat:ursgvfpnqng5fj72ewvevzcyqm

Membrane Mapping: Combining Mesoscopic and Molecular Cell Visualization [article]

Thomas Waltemate, Björn Sommer, Mario Botsch
2014 Eurographics Workshop on Visual Computing for Biomedicine  
By designing an efficient and GPU-friendly mapping technique, our approach allows to visualize and map pre-computed molecular dynamics simulations of membrane patches to mesoscopic structures in real-time  ...  In this paper we propose Membrane Mapping as an interactive tool for combining the mesoscopic and molecular level.  ...  3.2) or a smooth polynomial space warp for mapping dynamic simulations (Section 3.3).  ... 
doi:10.2312/vcbm.20141187 fatcat:kneqrmfcjrb5vj3b5btiqgpzaa
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