Browsing by Author "Pfister, Hanspeter"

Now showing items 1-20 of 93

    • 3D Reconstruction Using Labeled Image Regions 

      Ziegler, Remo; Matusik, Wojciech; Pfister, Hanspeter; McMillan, Leonard (Eurographics Association, 2003)
      In this paper we present a novel algorithm for reconstructing 3D scenes from a set of images. The user defines a set of polygonal regions with corresponding labels in each image using familiar 2D photo-editing tools. Our ...

    • 3D TV: A Scalable System for Real-Time Acquisition, Transmission, and Autostereoscopic Display of Dynamic Scenes 

      Matusik, Wojciech; Pfister, Hanspeter (Association for Computing Machinery, 2004)
      Three-dimensional TV is expected to be the next revolution in the history of television. We implemented a 3D TV prototype system with real-time acquisition, transmission, and 3D display of dynamic scenes. We developed a ...

    • Abstract Shade Trees 

      McGuire, Morgan; Stathis, George; Pfister, Hanspeter; Krishnamurthi, Shriram (Association for Computing Machinery, 2006)
      As GPU-powered special effects become more sophisticated, it becomes harder to create and manage effect interaction using the fairly primitive shading languages. This difficulty also introduces a workflow problem: artists ...

    • Acquisition and Rendering of Transparent and Refractive Objects 

      Matusik, Wojciech; Pfister, Hanspeter; Ziegler, Remo; Ngan, Addy; McMillan, Leonard (Association for Computing Machinery, 2002)
      This paper introduces a new image-based approach to capturing and modeling highly specular, transparent, or translucent objects. We have built a system for automatically acquiring high quality graphical models of objects ...

    • Analysis of Human Faces Using a Measurement-Based Skin Reflectance Model 

      Weyrich, Tim; Matusik, Wojciech; Pfister, Hanspeter; Bickel, Bernd; Donner, Craig; Tu, Chien; McAndless, Jane; Lee, Jinho; Ngan, Addy; Jensen, Henrik Wann; Gross, Markus (Association for Computing Machinery, 2006)
      We have measured 3D face geometry, skin reflectance, and subsurface scattering using custom-built devices for 149 subjects of varying age, gender, and race. We developed a novel skin reflectance model whose parameters can ...

    • Antialiasing for Automultiscopic 3D Displays 

      Zwicker, Matthias; Matusik, Wojciech; Durand, Fredo; Pfister, Hanspeter (Eurographics Association, 2006)
      Automultiscopic displays show stereoscopic images that can be viewed from any viewpoint without special glasses. They hold great promise for the future of television and digital entertainment. However, the image quality ...

    • Architectures for Real-Time Volume Rendering 

      Pfister, Hanspeter (Elsevier, 1999)
      Over the last decade, volume rendering has become an invaluable visualization technique for a wide variety of applications. This paper reviews three special-purpose architectures for interactive volume rendering: texture ...

    • Automatic Pose Estimation for Range Images on the GPU 

      Germann, Marcel; Breitenstein, Michael D.; Park, In Hyun; Pfister, Hanspeter (Institute of Electrical and Electronics Engineers, 2007)
      Object pose (location and orientation) estimation is a common task in many computer vision applications. Although many methods exist, most algorithms need manual initialization and lack robustness to illumination variation, ...

    • A Bilinear Illumination Model for Robust Face Recognition 

      Lee, Jinho; Moghaddam, Baback; Pfister, Hanspeter; Machiraju, Raghu (Institute of Electrical and Electronics Engineers, 2005)
      We present a technique to generate an illumination subspace for arbitrary 3D faces based on the statistics of measured illuminations under variable lighting conditions from many subjects. A bilinear model based on the ...

    • Capture and Modeling of Non-Linear Heterogeneous Soft Tissue 

      Bickel, Bernd; Bächer, Moritz; Otaduy, Miguel A.; Matusik, Wojciech; Pfister, Hanspeter; Gross, Markus (Association for Computing Machinery, 2009)
      This paper introduces a data-driven representation and modeling technique for simulating non-linear heterogeneous soft tissue. It simplifies the construction of convincing deformable models by avoiding complex selection ...

    • Characterizing Cancer Subtypes Using Dual Analysis in Caleydo StratomeX 

      Turkay, Cagatay; Lex, Alexander; Streit, Marc; Pfister, Hanspeter; Hauser, Helwig (Institute of Electrical and Electronics Engineers (IEEE), 2014-03)
      In this approach, dual-analysis views depict distributions of genes or data samples within Caleydo. Significant-difference plots show the elements of a cancer subtype that differ significantly from other subtypes. Analysts ...

    • Coding Approaches for End-to-End 3D TV Systems 

      Vetro, Anthony; Matusik, Wojciech; Pfister, Hanspeter; Xin, Jun (Mitsubishi Electric Research Laboratories, 2004)
      We present a 3D TV prototype system with real-time acquisition, transmission and auto-stereoscopic display of dynamic scenes. Our system uses a distributed, scalable architecture to manage the high computation and bandwidth ...

    • Content-Aware Manipulations for Image and Video Collections 

      Dale, Kevin (2012-08-17)
      Digital photography and videography have become ubiquitous. With ever-cheaper and more capable cameras, found in dedicated devices and, increasingly, in multipurpose smartphones and tablets, it is now easier than ever ...

    • ConTour: Data-Driven Exploration of Multi-Relational Datasets for Drug Discovery 

      Partl, Christian; Lex, Alexander; Streit, Marc; Strobelt, Hendrik; Wassermann, Anne-Mai; Pfister, Hanspeter; Schmalstieg, Dieter (Institute of Electrical & Electronics Engineers (IEEE), 2014)
      Large scale data analysis is nowadays a crucial part of drug discovery. Biologists and chemists need to quickly explore and evaluate potentially effective yet safe compounds based on many datasets that are in relationship ...

    • Cube-3: A Real-Time Architecture for High-Resolution Volume Visualization 

      Pfister, Hanspeter; Kaufman, Arie; Chiueh, Tzi-Cker (Association for Computing Machinery, 1994)
      This paper describes a high-performance special-purpose system, Cube-3, for displaying and manipulating high- resolution volumetric datasets in real-time. A primary goal of Cube-3 is to render 512^3, 16-bit per ...

    • Cube-4 - A Scalable Architecture for Real-Time Volume Rendering 

      Pfister, Hanspeter; Kaufman, Arie (Association for Computing Machinery, 1996)
      We present Cube-4, a special-purpose volume rendering architecture that is capable of rendering high-resolution (e.g., 1024^3) datasets at 30 frames per second. The underlying algorithm, called slice-parallel ray-casting, ...

    • A Data-Driven Reflectance Model 

      Matusik, Wojciech; Pfister, Hanspeter; Brand, Matt; McMillan, Leonard (Association for Computing Machinery, 2003)
      We present a generative model for isotropic bidirectional reflectance distribution functions (BRDFs) based on acquired reflectance data. Instead of using analytical reflectance models, we represent each BRDF as a dense set ...

    • Defocus Video Matting 

      McGuire, Morgan; Matusik, Wojciech; Pfister, Hanspeter; Hughes, John F.; Durand, Frédo (Association for Computing Machinery, 2005)
      Video matting is the process of pulling a high-quality alpha matte and foreground from a video sequence. Current techniques require either a known background (e.g., a blue screen) or extensive user interaction (e.g., to ...

    • Design Galleries: A general approach to setting parameters for computer graphics and animation 

      Marks, Joe; Beardsley, Paul; Andalman, Brad; Freeman, William; Gibson, Sarah; Hodgins, Jessica; Kang, Thomas; Mirtich, Brian; Pfister, Hanspeter; Ruml, Wheeler; Seims, Joshua; Shieber, Stuart (Association for Computing Machinery, 1997)
      Image rendering maps scene parameters to output pixel values; animation maps motion-control parameters to trajectory values. Because these mapping functions are usually multidimensional, nonlinear, and discontinuous, finding ...

    • Detection of Neuron Membranes in Electron Microscopy Images Using Multi-scale Context and Radon-Like Features 

      Seyedhosseini, Mojtaba; Kumar, Ritwik; Jurrus, Elizabeth; Giuly, Rick; Ellisman, Mark; Pfister, Hanspeter; Tasdizen, Tolga (Springer Science + Business Media, 2011)
      Automated neural circuit reconstruction through electron microscopy (EM) images is a challenging problem. In this paper, we present a novel method that exploits multi-scale contextual information together with Radon-like ...