Search results for "tracing"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
34	Duong Hieu Phan, Reihaneh Safavi-Naini, Dongvu Tonien	Generic Construction of Hybrid Public Key Traitor Tracing with Full-Public-Traceability.	ICALP (2)	2006	DBLP DOI BibTeX RDF
34	Yannis Chicha, Stephen M. Watt	A Localized Tracing Scheme Applied to Garbage Collection.	APLAS	2006	DBLP DOI BibTeX RDF
34	Lansheng Han, Varney Washington, Yuanbo Wang, Shuxia Han	Tracing the Source of Net-Virus within a Subnet.	CSCWD	2006	DBLP DOI BibTeX RDF
34	Jangwon Lee, Gustavo de Veciana	Scalable multicast based filtering and tracing framework for defeating distributed DoS attacks.	Int. J. Netw. Manag.	2005	DBLP DOI BibTeX RDF
34	John Patrick McGregor, Yiqun Lisa Yin, Ruby B. Lee	A Traitor Tracing Scheme Based on RSA for Fast Decryption.	ACNS	2005	DBLP DOI BibTeX RDF
34	Marcel Fernandez, Miguel Soriano	Identification Algorithms for Sequential Traitor Tracing.	INDOCRYPT	2004	DBLP DOI BibTeX RDF
34	Aggelos Kiayias, Moti Yung	Extracting Group Signatures from Traitor Tracing Schemes.	EUROCRYPT	2003	DBLP DOI BibTeX RDF
34	Reihaneh Safavi-Naini, Yejing Wang	Traitor Tracing for Shortened and Corrupted Fingerprints.	Digital Rights Management Workshop	2002	DBLP DOI BibTeX RDF
34	Satya Kanduri, Sebastian G. Elbaum	An Empirical Study of Tracing Techniques from a Failure Analysis Perspective.	ISSRE	2002	DBLP DOI BibTeX RDF
34	Felix Freitag, Jordi Caubet, Jesús Labarta	A Trace-Scaling Agent for Parallel Application Tracing.	ICTAI	2002	DBLP DOI BibTeX RDF
34	Dennis Kügler, Holger Vogt	Fair Tracing without Trustees.	Financial Cryptography	2001	DBLP BibTeX RDF
34	Hyo Jong Lee, B. H. Lim	Parallel Ray Tracing Using Processor Farming Model.	ICPP Workshops	2001	DBLP DOI BibTeX RDF
34	Yuji Watanabe, Goichiro Hanaoka, Hideki Imai	Efficient Asymmetric Public-Key Traitor Tracing without Trusted Agents.	CT-RSA	2001	DBLP DOI BibTeX RDF
34	Yingwei Cui, Jennifer Widom	Practical Lineage Tracing in Data Warehouses.	ICDE	2000	DBLP DOI BibTeX RDF	auxiliary view, data warehouse, data lineage
34	Kurt VanLehn, Reva Freedman, Pamela W. Jordan, R. Charles Murray, Remus Osan, Michael A. Ringenberg, Carolyn P. Rosé, Kay G. Schulze, Robert Shelby, Donald Treacy, Anders Weinstein, Mary Wintersgill	Fading and Deepening: The Next Steps for Andes and other Model-Tracing Tutors.	Intelligent Tutoring Systems	2000	DBLP DOI BibTeX RDF
34	Thierry Lafage, André Seznec, Erven Rohou, François Bodin	Code Cloning Tracing: A "Pay per Trace" Approach.	Euro-Par	1999	DBLP DOI BibTeX RDF
34	Ronald J. G. Goossens, Stephen G. Beebe, Zhiping Yu, Robert W. Dutton	An automatic biasing scheme for tracing arbitrarily shaped I-V curves.	IEEE Trans. Comput. Aided Des. Integr. Circuits Syst.	1994	DBLP DOI BibTeX RDF
33	Cosmin E. Oancea, Alan Mycroft, Stephen M. Watt	A new approach to parallelising tracing algorithms.	ISMM	2009	DBLP DOI BibTeX RDF	memory-centric tracing algorithm, parallel
33	Roy Chaoming Hsu, Yaw-Yu Lee, Bin-Wen Kao, Din-Yuen Chan	Hardware Design of Shape-Preserving Contour Tracing for Object of Segmented Images.	PSIVT	2009	DBLP DOI BibTeX RDF	AMBA bus, SOC, Boundary Extraction, Contour Tracing
33	Luis Búrdalo, Andrés Terrasa, Ana García-Fornes, Agustín Espinosa	Towards Providing Social Knowledge by Event Tracing in Multiagent Systems.	HAIS	2009	DBLP DOI BibTeX RDF	tracing systems, agents, multiagent systems, social knowledge
33	Toshiya Hachisuka, Wojciech Jarosz, Richard Peter Weistroffer, Kevin Dale, Greg Humphreys, Matthias Zwicker, Henrik Wann Jensen	Multidimensional adaptive sampling and reconstruction for ray tracing.	ACM Trans. Graph.	2008	DBLP DOI BibTeX RDF	rendering equation, sampling and reconstruction, ray tracing, global illumination
33	Dan Boneh, Moni Naor	Traitor tracing with constant size ciphertext.	CCS	2008	DBLP DOI BibTeX RDF	encryption, traitor tracing, fingerprinting codes
33	Zhengping Wu, Zhi-Hong Guan, Xianyong Wu, Tao Li 0017	Consensus Based Formation Control and Trajectory Tracing of Multi-Agent Robot Systems.	J. Intell. Robotic Syst.	2007	DBLP DOI BibTeX RDF	group formation control and trajectory tracing, Multi-Agent Robot Systems, model, consensus
33	Andreas Dietrich 0001, Abe Stephens, Ingo Wald	Exploring a Boeing 777: Ray Tracing Large-Scale CAD Data.	IEEE Computer Graphics and Applications	2007	DBLP DOI BibTeX RDF	large model visualization, CAD, ray tracing, real-time rendering, parallel rendering
33	Martin Falk, Tobias Schafhitzel, Daniel Weiskopf, Thomas Ertl	Panorama maps with non-linear ray tracing.	GRAPHITE	2007	DBLP DOI BibTeX RDF	non-linear ray tracing, panorama maps
33	Kathryn M. Mohror, Karen L. Karavanic	A study of tracing overhead on a high-performance linux cluster.	PPoPP	2007	DBLP DOI BibTeX RDF	measurement perturbation, parallel performance measurement, parallel performance tools, tracing overhead
33	Yi-Da Chen, Chunju Tseng, Chwan-Chuen King, Tsung-Shu Joseph Wu, Hsinchun Chen	Incorporating Geographical Contacts into Social Network Analysis for Contact Tracing in Epidemiology: A Study on Taiwan SARS Data.	BioSurveillance	2007	DBLP DOI BibTeX RDF	Contact Tracing, Personal Contacts, Geographical Contacts, SARS, Social Network Analysis, Epidemiology
33	Johannes Günther 0001, Heiko Friedrich, Hans-Peter Seidel, Philipp Slusallek	Interactive ray tracing of skinned animations.	Vis. Comput.	2006	DBLP DOI BibTeX RDF	Fuzzy kd-tree, Ray tracing, Dynamic scenes
33	Jongwoo Lee, Sung Dong Kim, Jae Won Lee, Jangmin O	CSTallocator: Call-Site Tracing Based Shared Memory Allocator for False Sharing Reduction in Page-Based DSM Systems.	HPCC	2006	DBLP DOI BibTeX RDF	Call Site Tracing, Distributed Shared Memory, Dynamic Memory Allocation, False Sharing
33	Peijie Huang, Wencheng Wang, Gang Yang 0007, Enhua Wu	Traversal fields for ray tracing dynamic scenes.	VRST	2006	DBLP DOI BibTeX RDF	pre-computation, graphics processing units (GPU), ray tracing, dynamic scene
33	Nathan A. Carr, Jared Hoberock, Keenan Crane, John C. Hart	Fast GPU ray tracing of dynamic meshes using geometry images.	Graphics Interface	2006	DBLP BibTeX RDF	ray tracing, geometry images, mesh parameterization, GPU algorithms
33	Jane Huffman Hayes, Alex Dekhtyar, Senthil Karthikeyan Sundaram	Improving After-the-Fact Tracing and Mapping: Supporting Software Quality Predictions.	IEEE Softw.	2005	DBLP DOI BibTeX RDF	information retrieval, relevance feedback, mapping, traceability, Requirements tracing
33	David Cline, Justin Talbot, Parris K. Egbert	Energy redistribution path tracing.	ACM Trans. Graph.	2005	DBLP DOI BibTeX RDF	correlated integrals, energy redistribution, metropolis light transport, global illumination, path tracing, Monte Carlo integration
33	Polina Kondratieva, Jens H. Krüger, Rüdiger Westermann	The Application of GPU Particle Tracing to Diffusion Tensor Field Visualization.	IEEE Visualization	2005	DBLP DOI BibTeX RDF	GPU Particle Tracing and Streamlines, Medical Visualization, Dynamic Visualization, Diffusion Tensors
33	Jintao Xiong	ACT: attachment chain tracing scheme for email virus detection and control.	WORM	2004	DBLP DOI BibTeX RDF	contact tracing, transmission chain, worm defense
33	Huamin Qu, Feng Qiu, Nan Zhang 0011, Arie E. Kaufman, Ming Wan	Ray Tracing Height Fields.	Computer Graphics International	2003	DBLP DOI BibTeX RDF	ray tracing, hardware acceleration, terrain rendering, layered depth image, height field, depth image
33	Tomás Plachetka	Perfect Load Balancing for Demand-Driven Parallel Ray Tracing.	Euro-Par	2002	DBLP DOI BibTeX RDF	parallel ray tracing, process farming, load balancing, cache, distributed database, antialiasing, message complexity
33	Luis Ibáñez, Chafiaâ Hamitouche, Christian Roux	A Vectorial Algorithm for Tracing Discrete Straight Lines in N-Dimensional Generalized Grids.	IEEE Trans. Vis. Comput. Graph.	2001	DBLP DOI BibTeX RDF	Discrete line tracing, digital topology, discrete geometry
33	Alexander Wilkie, Robert F. Tobler, Werner Purgathofer	Orientation lightmaps for photon tracing in complex environments.	Vis. Comput.	2001	DBLP DOI BibTeX RDF	Scene complexity, Photon tracing, Lightmaps
33	Sehyun Kim, Sung-ye Kim, Kyung-hyun Yoon	A Study on the Ray-Tracing Acceleration Technique Based on the ZF-Buffer Algorithm.	IV	2000	DBLP DOI BibTeX RDF	ZF-buffer, intersection test, ray-tracing
33	Alan Heirich, James Arvo	A Competitive Analysis of Load Balancing Strategies for Parallel Ray Tracing.	J. Supercomput.	1998	DBLP DOI BibTeX RDF	image processing, load balancing, rendering, ray tracing, graphics, diffusion
33	Katsuyoshi Miura, Koji Nakamae, Hiromu Fujioka	Hierarchical VLSI Fault Tracing by Successive Circuit Extraction from CAD Layout Data in the CAD-Linked EB Test System.	J. Electron. Test.	1997	DBLP DOI BibTeX RDF	hierarchical fault tracing, electron beam testing, hierarchically structured CAD layout, successive circuit extraction
33	Koji Nakamaru, Yoshio Ohno	Breadth-First Ray Tracing Utilizing Uniform Spatial Subdivision.	IEEE Trans. Vis. Comput. Graph.	1997	DBLP DOI BibTeX RDF	Breadth-first ray tracing, uniform spatial subdivision
33	Kyu-Young Whang, Ju-Won Song, Ji-Woong Chang, Ji-Yun Kim, Wan-Sup Cho, Chong-Mok Park, Il-Yeol Song	Octree-R: An Adaptive Octree for Efficient Ray Tracing.	IEEE Trans. Vis. Comput. Graph.	1995	DBLP DOI BibTeX RDF	Ray tracing octree, Octree-R, space subdivision
33	Richard A. Redner, Mark E. Lee, Samuel P. Uselton	Smooth B-Spline Illumination Maps for Bidirectional Ray Tracing.	ACM Trans. Graph.	1995	DBLP DOI BibTeX RDF	bidirectional ray tracing, illumination maps, B-splines, dispersion, nonparametric density estimation
33	David W. Paglieroni, Sidney M. Petersen	Height distributional distance transform methods for height field ray tracing.	ACM Trans. Graph.	1994	DBLP DOI BibTeX RDF	parameter plane transform, parametric/nonparametric HDDT methods, ray tracing, distance transform, terrain, height field, hierarchical methods, incremental methods
33	Mark E. Lee, Richard A. Redner, Samuel P. Uselton	Statistically optimized sampling for distributed ray tracing.	SIGGRAPH	1985	DBLP DOI BibTeX RDF	ray tracing, transparency, shadows, anti-aliasing, translucency, penumbras
32	Jung-Hong Chuang, Shih-Ann Cheng	Computing caustic effects by backward beam tracing.	Vis. Comput.	1995	DBLP DOI BibTeX RDF	Caustic effects, Backward beam tracing, Ray tracing
32	John H. Reif, J. D. Tygar, Akitoshi Yoshida	The Computability and Complexity of Optical Beam Tracing	FOCS	1990	DBLP DOI BibTeX RDF	optical models, refractive surfaces, undecidable problem, PSPACE-hard problem, optical beam tracing, ray-tracing problem, reflective surfaces, incident angle, complexity, computability
31	Sheng-Tun Li, Li-Yen Shue, Weissor Shiue	The Development of a Short-Term Liquidity Decision Model via Protocol Analysis and Probabilistic Neural Networks.	HICSS	2000	DBLP DOI BibTeX RDF
30	Bernardt Duvenhage, Kadi Bouatouch, Derrick G. Kourie	Exploring the use of glossy light volumes for interactive global illumination.	Afrigraph	2010	DBLP DOI BibTeX RDF	backward polygon beam tracing, glossy, light volume, caustics
30	Sebastian Fischmeister, Yanmeng Ba	Sampling-based program execution monitoring.	LCTES	2010	DBLP DOI BibTeX RDF	embedded system, monitoring, debugging, sampling, tracing
30	Yang Xiang, Qiang Li 0008, Dong Guo 0002	Online Accumulation: Reconstruction of Worm Propagation Path.	NPC	2008	DBLP DOI BibTeX RDF	Propagation path, Online tracing, Worm, Containment
30	Olivier Billet, Henri Gilbert	A Traceable Block Cipher.	ASIACRYPT	2003	DBLP DOI BibTeX RDF	Matsumoto-Imai, multivariate cryptology, symmetric cryptology, block ciphers, traitor tracing, collusion resistance
30	Arthur E. Mynett, I. Ari Sadarjoen, A. J. S. Hin	Turbulent Flow Visualization in Computational and Experimental Hydraulics.	IEEE Visualization	1995	DBLP DOI BibTeX RDF	turbulent flow visualization, computational hydraulics, open channel flow, experimental visualization, dispersion in open channel flow, spreading of pollutants, numerical simulations, particle tracing
30	Shenchang Eric Chen, Holly E. Rushmeier, Gavin S. P. Miller, Douglass Turner	A progressive multi-pass method for global illumination.	SIGGRAPH	1991	DBLP DOI BibTeX RDF	Ray Tracing, global illumination, Monte Carlo, radiosity, caustics, progressive refinement
29	Sumanta N. Pattanaik, Sudhir P. Mudur	Adjoint Equations and Random Walks for Illumination Computation.	ACM Trans. Graph.	1995	DBLP DOI BibTeX RDF	adjoint equations, illumination potential equation, importance transformation, progressive radiosity, random walk, global illumination, Monte Carlo, particle tracing, path tracing, forward simulation
27	Yuanbin Hou, Chunfeng Song, Ning Li	The Sync Tracing Based on Improved Genetic Algorithm Neural Network.	IAS	2009	DBLP DOI BibTeX RDF
27	I-Han Hsiao, Sergey A. Sosnovsky, Peter Brusilovsky	Extending parameterized problem-tracing questions for Java with personalized guidance.	ITiCSE	2009	DBLP DOI BibTeX RDF	parameterized questions, java, personalization, self-assessment
27	Geong Sen Poh, Keith M. Martin	Classification Framework for Fair Content Tracing Protocols.	IWDW	2009	DBLP DOI BibTeX RDF
27	Hongxia Jin, Jeffery Lotspiech, Nimrod Megiddo	Efficient Coalition Detection in Traitor Tracing.	SEC	2008	DBLP DOI BibTeX RDF
27	Hasan Ertan Çetingül, René Vidal, Gernot Plank, Natalia A. Trayanova	Nonlinear filtering for extracting orientation and tracing tubular structures in 2-D medical images.	ISBI	2008	DBLP DOI BibTeX RDF
27	Ryan Shaun Joazeiro de Baker, Albert T. Corbett, Vincent Aleven	More Accurate Student Modeling through Contextual Estimation of Slip and Guess Probabilities in Bayesian Knowledge Tracing.	Intelligent Tutoring Systems	2008	DBLP DOI BibTeX RDF
27	Jie Zhou, Hai Chen, Yue Chen	Reconstruction of the Visual Hull with Modified Ray-tracing and Fast Slice-based Surface Extraction.	ICYCS	2008	DBLP DOI BibTeX RDF
27	Jane Huffman Hayes, Alex Dekhtyar, Senthil Karthikeyan Sundaram, Elizabeth Ashlee Holbrook, Sravanthi Vadlamudi, Alain April	REquirements TRacing On target (RETRO): improving software maintenance through traceability recovery.	Innov. Syst. Softw. Eng.	2007	DBLP DOI BibTeX RDF
27	Jun Wang 0006, Xiaobo Zhou 0001, Ju Lu, Jeff Lichtman, Shih-Fu Chang, Stephen T. C. Wong	Dynamic Local Tracing for 3d Axon Curvilinear Structure Detection from Microscopic Image Stack.	ISBI	2007	DBLP DOI BibTeX RDF
27	Mingwu Zhang, Daisuke Kihara, Sunil Prabhakar	Tracing Lineage in Multi-version Scientific Databases.	BIBE	2007	DBLP DOI BibTeX RDF
27	Sajid Hussain, Håkan Grahn	Fast kd -Tree Construction for 3D-Rendering Algorithms Like Ray Tracing.	ISVC (2)	2007	DBLP DOI BibTeX RDF
27	Philip Zigoris, Hongxia Jin	Bayesian Methods for Practical Traitor Tracing.	ACNS	2007	DBLP DOI BibTeX RDF
27	Lansheng Han, Shuxia Han, Bing Peng, Varney Washington	Fuzzy Tracing the Source of Net-Virus.	ICFIE	2007	DBLP DOI BibTeX RDF	Net-virus, fuzzy trace, network security
27	Yoshiyuki Kaeriyama, Daichi Zaitsu, Ken-ichi Suzuki, Hiroaki Kobayashi, Nobuyuki Ohba	Multi-core data streaming architecture for ray tracing.	ICCD	2007	DBLP DOI BibTeX RDF
27	Christian Hillbrand, Robert Schöch	Shipment Localization Kit: An Automated Approach for Tracking and Tracing General Cargo.	ICMB	2007	DBLP DOI BibTeX RDF
27	Ingo Wald, Thiago Ize, Andrew E. Kensler, Aaron Knoll, Steven G. Parker	Ray tracing animated scenes using coherent grid traversal.	ACM Trans. Graph.	2006	DBLP DOI BibTeX RDF
27	Hongxia Jin, Jeffery Lotspiech	Hybrid Traitor Tracing.	ICME	2006	DBLP DOI BibTeX RDF
27	Ke Zhou 0001, Chun-hua Li, Dan Feng 0001, Yang Wang 0006, Liang Lu, Yong-guang Ji	A Distributed Object Tracing System.	IWNAS	2006	DBLP DOI BibTeX RDF
27	Ching-Nung Yang, Bing-Ling Lu	Improved tracing algorithm for random-error-resilient collusion-secure fingerprinting codes in P2P information systems.	Infoscale	2006	DBLP DOI BibTeX RDF
27	Victor K. Wei	Tracing-by-Linking Group Signatures.	ISC	2005	DBLP DOI BibTeX RDF
27	Hervé Chabanne, Duong Hieu Phan, David Pointcheval	Public Traceability in Traitor Tracing Schemes.	EUROCRYPT	2005	DBLP DOI BibTeX RDF
27	Nilo Stolte	Arbitrary 3D Resolution Discrete Ray Tracing of Implicit Surfaces.	DGCI	2005	DBLP DOI BibTeX RDF
27	Carsten Benthin, Ingo Wald, Philipp Slusallek	Interactive ray tracing of free-form surfaces.	Afrigraph	2004	DBLP DOI BibTeX RDF
27	Jörg Schmittler, Sven Woop, Daniel Wagner, Wolfgang J. Paul, Philipp Slusallek	Realtime ray tracing of dynamic scenes on an FPGA chip.	Graphics Hardware	2004	DBLP DOI BibTeX RDF
27	Jane Huffman Hayes, Alex Dekhtyar, James Osborne 0001	Improving Requirements Tracing via Information Retrieval.	RE	2003	DBLP DOI BibTeX RDF
27	Ingo Wald, Carsten Benthin, Andreas Dietrich 0001, Philipp Slusallek	Interactive Ray Tracing on Commodity PC Clusters.	Euro-Par	2003	DBLP DOI BibTeX RDF
27	Felix Freitag, Jordi Caubet, Jesús Labarta	On the Scalability of Tracing Mechanisms.	Euro-Par	2002	DBLP DOI BibTeX RDF
27	Heejin Jang, Sangwook Kim	An intruder tracing system based on a shadowing mechanism.	ISCC	2002	DBLP DOI BibTeX RDF
27	Hyun-Jeong Kim, Dong Hoon Lee 0001, Moti Yung	Privacy against Piracy: Protecting Two-Level Revocable P-K Traitor Tracing.	ACISP	2002	DBLP DOI BibTeX RDF
27	Hyung-Woo Lee, Sung-Min Lee 0006, Im-Yeong Lee	Secure Electronic Copyright Distribution with Public Key Based Traitor Tracing.	EC-Web	2002	DBLP DOI BibTeX RDF
27	Carsten Benthin, Tim Dahmen, Ingo Wald, Philipp Slusallek	Interactive headlight simulation: a case study of interactive distributed ray tracing.	EGPGV	2002	DBLP DOI BibTeX RDF
27	Agustín Espinosa Minguet, Ana García-Fornes, Alfons Crespo	An Ada Binding to the IEEE 1003.1q (POSIX Tracing) Standard.	Ada-Europe	2002	DBLP DOI BibTeX RDF
27	Alice Silverberg, Jessica Staddon, Judy L. Walker	Efficient Traitor Tracing Algorithms Using List Decoding.	ASIACRYPT	2001	DBLP DOI BibTeX RDF
27	Florin Teodorescu, Jacques Chassin de Kergommeaux	On Correcting the Intrusion of Tracing Non-deterministic Programs by Software.	Euro-Par	1997	DBLP DOI BibTeX RDF
27	Thomas Ball, James R. Larus	Optimally Profiling and Tracing Programs.	POPL	1992	DBLP DOI BibTeX RDF
27	Allen D. Malony, John L. Larson, Daniel A. Reed	Tracing application program execution on the Cray X-MP and Cray 2.	SC	1990	DBLP DOI BibTeX RDF	CRAY X-MP
27	Severin Gaudet, Richard F. Hobson, Pradeep Chilka, Thomas W. Calvert	Multiprocessor experiments for high-speed ray tracing.	ACM Trans. Graph.	1988	DBLP DOI BibTeX RDF
27	Kenji Hori, Kiyohito Yoshihara	Proposal and Evaluation of Data Reduction Method for Tracing Based Pre-patch Impact Analysis.	APNOMS	2009	DBLP DOI BibTeX RDF	Software Patch Management, Kernel-Tracing
27	Barry Goluboff	A denotational tracing domain for C++ programs.	ACM SIGCSE Bull.	2008	DBLP DOI BibTeX RDF	denotations, C++, debugging, tracing
27	Yuping Hu	A Watermarking Protocol for Piracy Tracing.	ISECS	2008	DBLP DOI BibTeX RDF	piracy tracing, watermarking protocol, anonymity
27	Jens Doleschal, Andreas Knüpfer, Matthias S. Müller, Wolfgang E. Nagel	Internal Timer Synchronization for Parallel Event Tracing.	PVM/MPI	2008	DBLP DOI BibTeX RDF	performance analysis, clock synchronization, Event tracing
27	Britta Denner-Broser	An algorithm for the tracing problem using interval analysis.	SAC	2008	DBLP DOI BibTeX RDF	tracing problem, interval analysis, dynamic geometry
27	Christian Convey, Andrew Fredricks, Christopher Gagner, Douglas Maxwell, Lutz Hamel	Experience report: erlang in acoustic ray tracing.	ICFP	2008	DBLP DOI BibTeX RDF	acoustic ray tracing, C++, Erlang