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Unsupervised feature learning often finds low-dimensional embeddings that capture the structure of complex data. For tasks for which prior expert topological knowledge is available, incorporating this into the learned representation may…

机器学习 · 计算机科学 2022-03-08 Robin Vandaele , Bo Kang , Jefrey Lijffijt , Tijl De Bie , Yvan Saeys

We introduce a deep appearance model for rendering the human face. Inspired by Active Appearance Models, we develop a data-driven rendering pipeline that learns a joint representation of facial geometry and appearance from a multiview…

图形学 · 计算机科学 2018-08-02 Stephen Lombardi , Jason Saragih , Tomas Simon , Yaser Sheikh

One of the central questions in the theory of deep learning is to understand how neural networks learn hierarchical features. The ability of deep networks to extract salient features is crucial to both their outstanding generalization…

机器学习 · 计算机科学 2025-04-03 Eshaan Nichani , Alex Damian , Jason D. Lee

The problem of single-view 3D shape completion or reconstruction is challenging, because among the many possible shapes that explain an observation, most are implausible and do not correspond to natural objects. Recent research in the field…

计算机视觉与模式识别 · 计算机科学 2018-09-14 Jiajun Wu , Chengkai Zhang , Xiuming Zhang , Zhoutong Zhang , William T. Freeman , Joshua B. Tenenbaum

We present a novel learning-based approach for computing correspondences between non-rigid 3D shapes. Unlike previous methods that either require extensive training data or operate on handcrafted input descriptors and thus generalize poorly…

机器学习 · 统计学 2020-04-01 Nicolas Donati , Abhishek Sharma , Maks Ovsjanikov

Face recognition has been of great importance in many applications as a biometric for its throughput, convenience, and non-invasiveness. Recent advancements in deep Convolutional Neural Network (CNN) architectures have boosted significantly…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Zhiqian You , Tingting Yang , Miao Jin

Deep-learning-based nonlinear system identification has shown the ability to produce reliable and highly accurate models in practice. However, these black-box models lack physical interpretability, and a considerable part of the learning…

机器学习 · 计算机科学 2025-07-15 Bendegúz M. Györök , Jan H. Hoekstra , Johan Kon , Tamás Péni , Maarten Schoukens , Roland Tóth

Nonlinear hyperspectral unmixing has recently received considerable attention, as linear mixture models do not lead to an acceptable resolution in some problems. In fact, most nonlinear unmixing methods are designed by assuming specific…

图像与视频处理 · 电气工程与系统科学 2024-02-07 Saeid Mehrdad , Seyed AmirHossein Janani

The 3D shapes of faces are well known to be discriminative. Yet despite this, they are rarely used for face recognition and always under controlled viewing conditions. We claim that this is a symptom of a serious but often overlooked…

计算机视觉与模式识别 · 计算机科学 2016-12-16 Anh Tuan Tran , Tal Hassner , Iacopo Masi , Gerard Medioni

In this paper, we revisit the classical representation of 3D point clouds as linear shape models. Our key insight is to leverage deep learning to represent a collection of shapes as affine transformations of low-dimensional linear shape…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Romain Loiseau , Tom Monnier , Mathieu Aubry , Loïc Landrieu

This paper proposes a novel neural-network-based adaptive hybrid-reflectance three-dimensional (3-D) surface reconstruction model. The neural network combines the diffuse and specular components into a hybrid model. The proposed model…

神经与进化计算 · 计算机科学 2009-12-14 Vincy Joseph , Shalini Bhatia

Despite recent breakthroughs in deep learning methods for image lighting enhancement, they are inferior when applied to portraits because 3D facial information is ignored in their models. To address this, we present a novel deep learning…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Fangzhou Han , Can Wang , Hao Du , Jing Liao

Deep neural networks have become a standard building block for designing models that can perform multiple dense computer vision tasks such as depth estimation and semantic segmentation thanks to their ability to capture complex correlations…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Wei-Hong Li , Steven McDonagh , Ales Leonardis , Hakan Bilen

The reconstruction of dense 3D models of face geometry and appearance from a single image is highly challenging and ill-posed. To constrain the problem, many approaches rely on strong priors, such as parametric face models learned from…

计算机视觉与模式识别 · 计算机科学 2018-04-02 Ayush Tewari , Michael Zollhöfer , Pablo Garrido , Florian Bernard , Hyeongwoo Kim , Patrick Pérez , Christian Theobalt

Fast and robust three-dimensional reconstruction of facial geometric structure from a single image is a challenging task with numerous applications. Here, we introduce a learning-based approach for reconstructing a three-dimensional face…

计算机视觉与模式识别 · 计算机科学 2016-09-27 Elad Richardson , Matan Sela , Ron Kimmel

3D face reconstruction plays a very important role in many real-world multimedia applications, including digital entertainment, social media, affection analysis, and person identification. The de-facto pipeline for estimating the parametric…

计算机视觉与模式识别 · 计算机科学 2021-01-07 Jialiang Zhang , Lixiang Lin , Jianke Zhu , Steven C. H. Hoi

We propose a regularization scheme for image reconstruction that leverages the power of deep learning while hinging on classic sparsity-promoting models. Many deep-learning-based models are hard to interpret and cumbersome to analyze…

图像与视频处理 · 电气工程与系统科学 2024-07-10 Mehrsa Pourya , Sebastian Neumayer , Michael Unser

Effectively parsing the facade is essential to 3D building reconstruction, which is an important computer vision problem with a large amount of applications in high precision map for navigation, computer aided design, and city generation…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Hantang Liu , Wentong Li , Jianke Zhu

Neural implicit representations have emerged as a powerful paradigm for 3D reconstruction. However, despite their success, existing methods fail to capture fine geometric details and thin structures, especially in scenarios where only…

计算机视觉与模式识别 · 计算机科学 2025-04-23 Aarya Patel , Hamid Laga , Ojaswa Sharma

The strength of machine learning models stems from their ability to learn complex function approximations from data; however, this strength also makes training deep neural networks challenging. Notably, the complex models tend to memorize…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Mofassir ul Islam Arif , Mohsan Jameel , Josif Grabocka , Lars Schmidt-Thieme