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ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2014, Volume 33 Issue 6, November 2014



Section: Paintings, sketches and buildings

Autocomplete painting repetitions
Jun Xing, Hsiang-Ting Chen, Li-Yi Wei
Article No.: 172
DOI: 10.1145/2661229.2661247

Painting is a major form of content creation, offering unlimited control and freedom of expression. However, it can involve tedious manual repetitions, such as stippling large regions or hatching complex contours. Thus, a central goal in digital...

BiggerPicture: data-driven image extrapolation using graph matching
Miao Wang, Yu-Kun Lai, Yuan Liang, Ralph R. Martin, Shi-Min Hu
Article No.: 173
DOI: 10.1145/2661229.2661278

Filling a small hole in an image with plausible content is well studied. Extrapolating an image to give a distinctly larger one is much more challenging---a significant amount of additional content is needed which matches the original image,...

Sketch classification and classification-driven analysis using Fisher vectors
Rosália G. Schneider, Tinne Tuytelaars
Article No.: 174
DOI: 10.1145/2661229.2661231

We introduce an approach for sketch classification based on Fisher vectors that significantly outperforms existing techniques. For the TU-Berlin sketch benchmark [Eitz et al. 2012a], our recognition rate is close to human performance on the same...

Data-driven segmentation and labeling of freehand sketches
Zhe Huang, Hongbo Fu, Rynson W. H. Lau
Article No.: 175
DOI: 10.1145/2661229.2661280

We present a data-driven approach to derive part-level segmentation and labeling of free-hand sketches, which depict single objects with multiple parts. Our method performs segmentation and labeling simultaneously, by inferring a structure that...

ConstructAide: analyzing and visualizing construction sites through photographs and building models
Kevin Karsch, Mani Golparvar-Fard, David Forsyth
Article No.: 176
DOI: 10.1145/2661229.2661256

We describe a set of tools for analyzing, visualizing, and assessing architectural/construction progress with unordered photo collections and 3D building models. With our interface, a user guides the registration of the model in one of the images,...

Section: Paintings, sketches and buildings

A framework for transient rendering
Adrian Jarabo, Julio Marco, Adolfo Muñoz, Raul Buisan, Wojciech Jarosz, Diego Gutierrez
Article No.: 177
DOI: 10.1145/2661229.2661251

Recent advances in ultra-fast imaging have triggered many promising applications in graphics and vision, such as capturing transparent objects, estimating hidden geometry and materials, or visualizing light in motion. There is, however, very...

Improved sampling for gradient-domain metropolis light transport
Marco Manzi, Fabrice Rousselle, Markus Kettunen, Jaakko Lehtinen, Matthias Zwicker
Article No.: 178
DOI: 10.1145/2661229.2661291

We present a generalized framework for gradient-domain Metropolis rendering, and introduce three techniques to reduce sampling artifacts and variance. The first one is a heuristic weighting strategy that combines several sampling techniques to...

Residual ratio tracking for estimating attenuation in participating media
Jan Novák, Andrew Selle, Wojciech Jarosz
Article No.: 179
DOI: 10.1145/2661229.2661292

Evaluating transmittance within participating media is a fundamental operation required by many light transport algorithms. We present ratio tracking and residual tracking, two complementary techniques that can be combined into an...

A framework for the experimental comparison of solar and skydome illumination
Joseph T. Kider, Jr., Daniel Knowlton, Jeremy Newlin, Yining Karl Li, Donald P. Greenberg
Article No.: 180
DOI: 10.1145/2661229.2661259

The illumination and appearance of the solar/skydome is critical for many applications in computer graphics, computer vision, and daylighting studies. Unfortunately, physically accurate measurements of this rapidly changing illumination source are...

Rendering volumetric haptic shapes in mid-air using ultrasound
Benjamin Long, Sue Ann Seah, Tom Carter, Sriram Subramanian
Article No.: 181
DOI: 10.1145/2661229.2661257

We present a method for creating three-dimensional haptic shapes in mid-air using focused ultrasound. This approach applies the principles of acoustic radiation force, whereby the non-linear effects of sound produce forces on the skin which...

Section: Paintings, sketches and buildings

Anisotropic simplicial meshing using local convex functions
Xiao-Ming Fu, Yang Liu, John Snyder, Baining Guo
Article No.: 182
DOI: 10.1145/2661229.2661235

We present a novel method to generate high-quality simplicial meshes with specified anisotropy. Given a surface or volumetric domain equipped with a Riemannian metric that encodes the desired anisotropy, we transform the problem to one of...

Dual strip weaving: interactive design of quad layouts using elastica strips
Marcel Campen, Leif Kobbelt
Article No.: 183
DOI: 10.1145/2661229.2661236

We introduce Dual Strip Weaving, a novel concept for the interactive design of quad layouts, i.e. partitionings of freeform surfaces into quadrilateral patch networks. In contrast to established tools for the design of quad layouts or...

Level-of-detail quad meshing
Hans-Christian Ebke, Marcel Campen, David Bommes, Leif Kobbelt
Article No.: 184
DOI: 10.1145/2661229.2661240

The most effective and popular tools for obtaining feature aligned quad meshes from triangular input meshes are based on cross field guided parametrization. These methods are incarnations of a conceptual three-step pipeline: (1) cross field...

Strict minimizers for geometric optimization
Zohar Levi, Denis Zorin
Article No.: 185
DOI: 10.1145/2661229.2661258

We introduce the idea of strict minimizers for geometric distortion measures used in shape interpolation, deformation, parametrization, and other applications involving geometric mappings. The L-norm ensures the...

Section: Paintings, sketches and buildings

Fast and exact continuous collision detection with Bernstein sign classification
Min Tang, Ruofeng Tong, Zhendong Wang, Dinesh Manocha
Article No.: 186
DOI: 10.1145/2661229.2661237

We present fast algorithms to perform accurate CCD queries between triangulated models. Our formulation uses properties of the Bernstein basis and Bézier curves and reduces the problem to evaluating signs of polynomials. We present a...

Co-constrained handles for deformation in shape collections
Mehmet Ersin Yumer, Levent Burak Kara
Article No.: 187
DOI: 10.1145/2661229.2661234

We present a method for learning custom deformation handles for an object, from a co-analysis of similar objects. Our approach identifies the geometric and spatial constraints among the different parts of an object, and makes this information...

Local barycentric coordinates
Juyong Zhang, Bailin Deng, Zishun Liu, Giuseppe Patanè, Sofien Bouaziz, Kai Hormann, Ligang Liu
Article No.: 188
DOI: 10.1145/2661229.2661255

Barycentric coordinates yield a powerful and yet simple paradigm to interpolate data values on polyhedral domains. They represent interior points of the domain as an affine combination of a set of control points, defining an interpolation scheme...

Robust iso-surface tracking for interactive character skinning
Rodolphe Vaillant, Gäel Guennebaud, Loïc Barthe, Brian Wyvill, Marie-Paule Cani
Article No.: 189
DOI: 10.1145/2661229.2661264

We present a novel approach to interactive character skinning, which is robust to extreme character movements, handles skin contacts and produces the effect of skin elasticity (sliding). Our approach builds on the idea of implicit skinning in...

Skinning cubic Bézier splines and Catmull-Clark subdivision surfaces
Songrun Liu, Alec Jacobson, Yotam Gingold
Article No.: 190
DOI: 10.1145/2661229.2661270

Smooth space deformation has become a vital tool for the animation and design of 2D and 3D shapes. Linear methods, under the umbrella term of "linear blend skinning", are the de facto standard for 3D animations. Unfortunately such...

Section: Paintings, sketches and buildings

Toward BxDF display using multilayer diffraction
Genzhi Ye, Sundeep Jolly, V. Michael Bove, Jr., Qionghai Dai, Ramesh Raskar, Gordon Wetzstein
Article No.: 191
DOI: 10.1145/2661229.2661246

With a wide range of applications in product design and optical watermarking, computational BxDF display has become an emerging trend in the graphics community. In this paper, we analyze the design space of BxDF displays and show that existing...

Improving visual quality of view transitions in automultiscopic displays
Song-Pei Du, Piotr Didyk, Frédo Durand, Shi-Min Hu, Wojciech Matusik
Article No.: 192
DOI: 10.1145/2661229.2661248

Automultiscopic screens present different images depending on the viewing direction. This enables glasses-free 3D and provides motion parallax effect. However, due to the limited angular resolution of such displays, they suffer from hot-spotting,...

Appearance-from-motion: recovering spatially varying surface reflectance under unknown lighting
Yue Dong, Guojun Chen, Pieter Peers, Jiawan Zhang, Xin Tong
Article No.: 193
DOI: 10.1145/2661229.2661283

We present "appearance-from-motion", a novel method for recovering the spatially varying isotropic surface reflectance from a video of a rotating subject, with known geometry, under unknown natural illumination. We formulate the appearance...

AppIm: linear spaces for image-based appearance editing
Francesco Di Renzo, Claudio Calabrese, Fabio Pellacini
Article No.: 194
DOI: 10.1145/2661229.2661282

Editing spatially-varying appearance is commonplace in most graphics applications. In this paper, we focus on materials whose appearance is described by BRDFs or BSSRDFs, with parameters specified by textures, and with local frame perturbations,...

Local random-phase noise for procedural texturing
Guillaume Gilet, Basile Sauvage, Kenneth Vanhoey, Jean-Michel Dischler, Djamchid Ghazanfarpour
Article No.: 195
DOI: 10.1145/2661229.2661249

Local random-phase noise is a noise model for procedural texturing. It is defined on a regular spatial grid by local noises, which are sums of cosines with random phase. Our model is versatile thanks to separate sampling in the spatial and...

Section: Paintings, sketches and buildings

Temporally coherent local tone mapping of HDR video
Tunç Ozan Aydin, Nikolce Stefanoski, Simone Croci, Markus Gross, Aljoscha Smolic
Article No.: 196
DOI: 10.1145/2661229.2661268

Recent subjective studies showed that current tone mapping operators either produce disturbing temporal artifacts, or are limited in their local contrast reproduction capability. We address both of these issues and present an HDR video tone...

Interactive intrinsic video editing
Nicolas Bonneel, Kalyan Sunkavalli, James Tompkin, Deqing Sun, Sylvain Paris, Hanspeter Pfister
Article No.: 197
DOI: 10.1145/2661229.2661253

Separating a photograph into its reflectance and illumination intrinsic images is a fundamentally ambiguous problem, and state-of-the-art algorithms combine sophisticated reflectance and illumination priors with user annotations to create...

TrackCam: 3D-aware tracking shots from consumer video
Shuaicheng Liu, Jue Wang, Sunghyun Cho, Ping Tan
Article No.: 198
DOI: 10.1145/2661229.2661272

Panning and tracking shots are popular photography techniques in which the camera tracks a moving object and keeps it at the same position, resulting in an image where the moving foreground is sharp but the background is blurred accordingly,...

Slippage-free background replacement for hand-held video
Fan Zhong, Song Yang, Xueying Qin, Dani Lischinski, Daniel Cohen-Or, Baoquan Chen
Article No.: 199
DOI: 10.1145/2661229.2661281

We introduce a method for replacing the background in a video of a moving foreground subject, when both the source video capturing the subject, and the target video capturing the new background scene, are natural videos, casually...

Section: Paintings, sketches and buildings

Real-time shading-based refinement for consumer depth cameras
Chenglei Wu, Michael Zollhöfer, Matthias Nießner, Marc Stamminger, Shahram Izadi, Christian Theobalt
Article No.: 200
DOI: 10.1145/2661229.2661232

We present the first real-time method for refinement of depth data using shape-from-shading in general uncontrolled scenes. Per frame, our real-time algorithm takes raw noisy depth data and an aligned RGB image as input, and approximates the...

Robust surface reconstruction via dictionary learning
Shiyao Xiong, Juyong Zhang, Jianmin Zheng, Jianfei Cai, Ligang Liu
Article No.: 201
DOI: 10.1145/2661229.2661263

Surface reconstruction from point cloud is of great practical importance in computer graphics. Existing methods often realize reconstruction via a few phases with respective goals, whose integration may not give an optimal solution. In this paper,...

Morfit: interactive surface reconstruction from incomplete point clouds with curve-driven topology and geometry control
Kangxue Yin, Hui Huang, Hao Zhang, Minglun Gong, Daniel Cohen-Or, Baoquan Chen
Article No.: 202
DOI: 10.1145/2661229.2661241

With significant data missing in a point scan, reconstructing a complete surface with sufficient geometric and topological fidelity is highly challenging. We present an interactive technique for surface reconstruction from incomplete and sparse...

Quality-driven poisson-guided autoscanning
Shihao Wu, Wei Sun, Pinxin Long, Hui Huang, Daniel Cohen-Or, Minglun Gong, Oliver Deussen, Baoquan Chen
Article No.: 203
DOI: 10.1145/2661229.2661242

We present a quality-driven, Poisson-guided autonomous scanning method. Unlike previous scan planning techniques, we do not aim to minimize the number of scans needed to cover the object's surface, but rather to ensure the high quality scanning of...

Section: Paintings, sketches and buildings

Windy trees: computing stress response for developmental tree models
Sören Pirk, Till Niese, Torsten Hädrich, Bedrich Benes, Oliver Deussen
Article No.: 204
DOI: 10.1145/2661229.2661252

We present a novel method for combining developmental tree models with turbulent wind fields. The tree geometry is created from internal growth functions of the developmental model and its response to external stress is induced by a...

SPGrid: a sparse paged grid structure applied to adaptive smoke simulation
Rajsekhar Setaluri, Mridul Aanjaneya, Sean Bauer, Eftychios Sifakis
Article No.: 205
DOI: 10.1145/2661229.2661269

We introduce a new method for fluid simulation on high-resolution adaptive grids which rivals the throughput and parallelism potential of methods based on uniform grids. Our enabling contribution is SPGrid, a new data structure for compact...

A PPPM fast summation method for fluids and beyond
Xinxin Zhang, Robert Bridson
Article No.: 206
DOI: 10.1145/2661229.2661261

Solving the N-body problem, i.e. the Poisson problem with point sources, is a common task in graphics and simulation. The naive direct summation of the kernel function over all particles scales quadratically, rendering it too slow for large...

Yarn-level simulation of woven cloth
Gabriel Cirio, Jorge Lopez-Moreno, David Miraut, Miguel A. Otaduy
Article No.: 207
DOI: 10.1145/2661229.2661279

The large-scale mechanical behavior of woven cloth is determined by the mechanical properties of the yarns, the weave pattern, and frictional contact between yarns. Using standard simulation methods for elastic rod models and yarn-yarn contact...

Section: Paintings, sketches and buildings

Automatic semantic modeling of indoor scenes from low-quality RGB-D data using contextual information
Kang Chen, Yu-Kun Lai, Yu-Xin Wu, Ralph Martin, Shi-Min Hu
Article No.: 208
DOI: 10.1145/2661229.2661239

We present a novel solution to automatic semantic modeling of indoor scenes from a sparse set of low-quality RGB-D images. Such data presents challenges due to noise, low resolution, occlusion and missing depth information. We exploit the...

Imagining the unseen: stability-based cuboid arrangements for scene understanding
Tianjia Shao, Aron Monszpart, Youyi Zheng, Bongjin Koo, Weiwei Xu, Kun Zhou, Niloy J. Mitra
Article No.: 209
DOI: 10.1145/2661229.2661288

Missing data due to occlusion is a key challenge in 3D acquisition, particularly in cluttered man-made scenes. Such partial information about the scenes limits our ability to analyze and understand them. In this work we abstract such environments...

Structure completion for facade layouts
Lubin Fan, Przemyslaw Musialski, Ligang Liu, Peter Wonka
Article No.: 210
DOI: 10.1145/2661229.2661265

We present a method to complete missing structures in facade layouts. Starting from an abstraction of the partially observed layout as a set of shapes, we can propose one or multiple possible completed layouts. Structure completion with large...

Creating consistent scene graphs using a probabilistic grammar
Tianqiang Liu, Siddhartha Chaudhuri, Vladimir G. Kim, Qixing Huang, Niloy J. Mitra, Thomas Funkhouser
Article No.: 211
DOI: 10.1145/2661229.2661243

Growing numbers of 3D scenes in online repositories provide new opportunities for data-driven scene understanding, editing, and synthesis. Despite the plethora of data now available online, most of it cannot be effectively used for data-driven...

SceneGrok: inferring action maps in 3D environments
Manolis Savva, Angel X. Chang, Pat Hanrahan, Matthew Fisher, Matthias Nießner
Article No.: 212
DOI: 10.1145/2661229.2661230

With modern computer graphics, we can generate enormous amounts of 3D scene data. It is now possible to capture high-quality 3D representations of large real-world environments. Large shape and scene databases, such as the Trimble 3D Warehouse,...

Section: Paintings, sketches and buildings

Approximate pyramidal shape decomposition
Ruizhen Hu, Honghua Li, Hao Zhang, Daniel Cohen-Or
Article No.: 213
DOI: 10.1145/2661229.2661244

A shape is pyramidal if it has a flat base with the remaining boundary forming a height function over the base. Pyramidal shapes are optimal for molding, casting, and layered 3D printing. However, many common objects are not pyramidal. We...

Assembling self-supporting structures
Mario Deuss, Daniele Panozzo, Emily Whiting, Yang Liu, Philippe Block, Olga Sorkine-Hornung, Mark Pauly
Article No.: 214
DOI: 10.1145/2661229.2661266

Self-supporting structures are prominent in historical and contemporary architecture due to advantageous structural properties and efficient use of material. Computer graphics research has recently contributed new design tools that allow creating...

Topology-constrained synthesis of vector patterns
Shizhe Zhou, Changyun Jiang, Sylvain Lefebvre
Article No.: 215
DOI: 10.1145/2661229.2661238

Decorative patterns are observed in many forms of art, typically enriching the visual aspect of otherwise simple shapes. Such patterns are especially difficult to create, as they often exhibit intricate structural details and at the same time have...

Appearance-mimicking surfaces
Christian Schüller, Daniele Panozzo, Olga Sorkine-Hornung
Article No.: 216
DOI: 10.1145/2661229.2661267

We consider the problem of reproducing the look and the details of a 3D object on a surface that is confined to a given volume. Classic examples of such "appearance-mimicking" surfaces are bas-reliefs: decorations and artwork depicting...

Creating works-like prototypes of mechanical objects
Bongjin Koo, Wilmot Li, JiaXian Yao, Maneesh Agrawala, Niloy J. Mitra
Article No.: 217
DOI: 10.1145/2661229.2661289

Designers often create physical works-like prototypes early in the product development cycle to explore possible mechanical architectures for a design. Yet, creating functional prototypes requires time and expertise, which discourages rapid...

Section: Paintings, sketches and buildings

Locomotion control for many-muscle humanoids
Yoonsang Lee, Moon Seok Park, Taesoo Kwon, Jehee Lee
Article No.: 218
DOI: 10.1145/2661229.2661233

We present a biped locomotion controller for humanoid models actuated by more than a hundred Hill-type muscles. The key component of the controller is our novel algorithm that can cope with step-based biped locomotion balancing and the...

Generating and ranking diverse multi-character interactions
Jungdam Won, Kyungho Lee, Carol O'Sullivan, Jessica K. Hodgins, Jehee Lee
Article No.: 219
DOI: 10.1145/2661229.2661271

In many application areas, such as animation for pre-visualizing movie sequences and choreography for dance or other types of performance, only a high-level description of the desired scene is provided as input, either written or verbal. Such...

MoSh: motion and shape capture from sparse markers
Matthew Loper, Naureen Mahmood, Michael J. Black
Article No.: 220
DOI: 10.1145/2661229.2661273

Marker-based motion capture (mocap) is widely criticized as producing lifeless animations. We argue that important information about body surface motion is present in standard marker sets but is lost in extracting a skeleton. We demonstrate a new...

Leveraging depth cameras and wearable pressure sensors for full-body kinematics and dynamics capture
Peizhao Zhang, Kristin Siu, Jianjie Zhang, C. Karen Liu, Jinxiang Chai
Article No.: 221
DOI: 10.1145/2661229.2661286

We present a new method for full-body motion capture that uses input data captured by three depth cameras and a pair of pressure-sensing shoes. Our system is appealing because it is low-cost, non-intrusive and fully automatic, and can accurately...

Section: Paintings, sketches and buildings

Automatic acquisition of high-fidelity facial performances using monocular videos
Fuhao Shi, Hsiang-Tao Wu, Xin Tong, Jinxiang Chai
Article No.: 222
DOI: 10.1145/2661229.2661290

This paper presents a facial performance capture system that automatically captures high-fidelity facial performances using uncontrolled monocular videos (e.g., Internet videos). We start the process by detecting and tracking important...

High-quality capture of eyes
Pascal Bérard, Derek Bradley, Maurizio Nitti, Thabo Beeler, Markus Gross
Article No.: 223
DOI: 10.1145/2661229.2661285

Even though the human eye is one of the central features of individual appearance, its shape has so far been mostly approximated in our community with gross simplifications. In this paper we demonstrate that there is a lot of individuality to...

Dynamic hair capture using spacetime optimization
Zexiang Xu, Hsiang-Tao Wu, Lvdi Wang, Changxi Zheng, Xin Tong, Yue Qi
Article No.: 224
DOI: 10.1145/2661229.2661284

Dynamic hair strands have complex structures and experience intricate collisions and occlusion, posing significant challenges for high-quality reconstruction of their motions. We present a comprehensive dynamic hair capture system for...

Capturing braided hairstyles
Liwen Hu, Chongyang Ma, Linjie Luo, Li-Yi Wei, Hao Li
Article No.: 225
DOI: 10.1145/2661229.2661254

From fishtail to princess braids, these intricately woven structures define an important and popular class of hairstyle, frequently used for digital characters in computer graphics. In addition to the challenges created by the infinite range of...

Section: Paintings, sketches and buildings

Automatic shader simplification using surface signal approximation
Rui Wang, Xianjin Yang, Yazhen Yuan, Wei Chen, Kavita Bala, Hujun Bao
Article No.: 226
DOI: 10.1145/2661229.2661276

In this paper, we present a new automatic shader simplification method using surface signal approximation. We regard the entire multi-stage rendering pipeline as a process that generates signals on surfaces, and we formulate the simplification of...

Deep shading buffers on commodity GPUs
Petrik Clarberg, Jacob Munkberg
Article No.: 227
DOI: 10.1145/2661229.2661245

Real-time rendering with true motion and defocus blur remains an elusive goal for application developers. In recent years, substantial progress has been made in the areas of rasterization, shading, and reconstruction for stochastic rendering....

Whippletree: task-based scheduling of dynamic workloads on the GPU
Markus Steinberger, Michael Kenzel, Pedro Boechat, Bernhard Kerbl, Mark Dokter, Dieter Schmalstieg
Article No.: 228
DOI: 10.1145/2661229.2661250

In this paper, we present Whippletree, a novel approach to scheduling dynamic, irregular workloads on the GPU. We introduce a new programming model which offers the simplicity and expressiveness of task-based parallelism while retaining all...

Massively-parallel vector graphics
Francisco Ganacim, Rodolfo S. Lima, Luiz Henrique de Figueiredo, Diego Nehab
Article No.: 229
DOI: 10.1145/2661229.2661274

We present a massively parallel vector graphics rendering pipeline that is divided into two components. The preprocessing component builds a novel adaptive acceleration data structure, the shortcut tree. Tree construction is efficient and...

Hierarchical diffusion curves for accurate automatic image vectorization
Guofu Xie, Xin Sun, Xin Tong, Derek Nowrouzezahrai
Article No.: 230
DOI: 10.1145/2661229.2661275

Diffusion curve primitives are a compact and powerful representation for vector images. While several vector image authoring tools leverage these representations, automatically and accurately vectorizing arbitrary raster images using...

Section: Paintings, sketches and buildings

FlexISP: a flexible camera image processing framework
Felix Heide, Markus Steinberger, Yun-Ta Tsai, Mushfiqur Rouf, Dawid Pająk, Dikpal Reddy, Orazio Gallo, Jing Liu, Wolfgang Heidrich, Karen Egiazarian, Jan Kautz, Kari Pulli
Article No.: 231
DOI: 10.1145/2661229.2661260

Conventional pipelines for capturing, displaying, and storing images are usually defined as a series of cascaded modules, each responsible for addressing a particular problem. While this divide-and-conquer approach offers many benefits, it also...

Fast burst images denoising
Ziwei Liu, Lu Yuan, Xiaoou Tang, Matt Uyttendaele, Jian Sun
Article No.: 232
DOI: 10.1145/2661229.2661277

This paper presents a fast denoising method that produces a clean image from a burst of noisy images. We accelerate alignment of the images by introducing a lightweight camera motion representation called homography flow. The aligned images...

Spatial-spectral encoded compressive hyperspectral imaging
Xing Lin, Yebin Liu, Jiamin Wu, Qionghai Dai
Article No.: 233
DOI: 10.1145/2661229.2661262

This paper proposes a novel compressive hyperspectral (HS) imaging approach that allows for high-resolution HS images to be captured in a single image. The proposed architecture comprises three key components: spatial-spectral encoded optical...

Mirror mirror: crowdsourcing better portraits
Jun-Yan Zhu, Aseem Agarwala, Alexei A. Efros, Eli Shechtman, Jue Wang
Article No.: 234
DOI: 10.1145/2661229.2661287

We describe a method for providing feedback on portrait expressions, and for selecting the most attractive expressions from large video/photo collections. We capture a video of a subject's face while they are engaged in a task designed to elicit a...