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ACM Transactions on Graphics (TOG), Volume 35 Issue 3, June 2016

Efficient 3D Object Segmentation from Densely Sampled Light Fields with Applications to 3D Reconstruction
Kaan Yücer, Alexander Sorkine-Hornung, Oliver Wang, Olga Sorkine-Hornung
Article No.: 22
DOI: 10.1145/2876504

Precise object segmentation in image data is a fundamental problem with various applications, including 3D object reconstruction. We present an efficient algorithm to automatically segment a static foreground object from highly cluttered...

Discrete Connection and Covariant Derivative for Vector Field Analysis and Design
Beibei Liu, Yiying Tong, Fernando De Goes, Mathieu Desbrun
Article No.: 23
DOI: 10.1145/2870629

In this article, we introduce a discrete definition of connection on simplicial manifolds, involving closed-form continuous expressions within simplices and finite rotations across simplices. The finite-dimensional parameters of this connection...

High Brightness HDR Projection Using Dynamic Freeform Lensing
Gerwin Damberg, James Gregson, Wolfgang Heidrich
Article No.: 24
DOI: 10.1145/2857051

Cinema projectors need to compete with home theater displays in terms of image quality. High frame rate and spatial resolution as well as stereoscopic 3D are common features today, but even the most advanced cinema projectors lack in-scene...

Intrinsic Girth Function for Shape Processing
Shi-Qing Xin, Wenping Wang, Shuangmin Chen, Jieyu Zhao, Zhenyu Shu
Article No.: 25
DOI: 10.1145/2866570

Shape description and feature detection are fundamental problems in computer graphics and geometric modeling. Among many existing techniques, those based on geodesic distance have proven effective in providing intrinsic and discriminative shape...

My Text in Your Handwriting
Tom S. F. Haines, Oisin Mac Aodha, Gabriel J. Brostow
Article No.: 26
DOI: 10.1145/2886099

There are many scenarios where we wish to imitate a specific author’s pen-on-paper handwriting style. Rendering new text in someone’s handwriting is difficult because natural handwriting is highly variable, yet follows both intentional...

Detail-Preserving Mesh Unfolding for Nonrigid Shape Retrieval
Yusuf Sahillioğlu, Ladislav Kavan
Article No.: 27
DOI: 10.1145/2893477

We present a shape deformation algorithm that unfolds any given 3D shape into a canonical pose that is invariant to nonrigid transformations. Unlike classical approaches, such as least-squares multidimensional scaling, we preserve the geometric...

Reconstruction of Personalized 3D Face Rigs from Monocular Video
Pablo Garrido, Michael Zollhöfer, Dan Casas, Levi Valgaerts, Kiran Varanasi, Patrick Pérez, Christian Theobalt
Article No.: 28
DOI: 10.1145/2890493

We present a novel approach for the automatic creation of a personalized high-quality 3D face rig of an actor from just monocular video data (e.g., vintage movies). Our rig is based on three distinct layers that allow us to model the actor’s...

Guided Learning of Control Graphs for Physics-Based Characters
Libin Liu, Michiel Van De Panne, Kangkang Yin
Article No.: 29
DOI: 10.1145/2893476

The difficulty of developing control strategies has been a primary bottleneck in the adoption of physics-based simulations of human motion. We present a method for learning robust feedback strategies around given motion capture clips as well as...

Animated Mesh Approximation With Sphere-Meshes
Jean-Marc Thiery, Émilie Guy, Tamy Boubekeur, Elmar Eisemann
Article No.: 30
DOI: 10.1145/2898350

Performance capture systems are used to acquire high-quality animated 3D surfaces, usually in form of a dense 3D triangle mesh. Extracting a more compact yet faithful representation is often desirable, but existing solutions for animated sequences...