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This paper studies the task of full generative modelling of realistic images of humans, guided only by coarse sketch of the pose, while providing control over the specific instance or type of outfit worn by the user. This is a difficult…

计算机视觉与模式识别 · 计算机科学 2019-06-06 Xu Chen , Jie Song , Otmar Hilliges

Modern 3D human pose estimation techniques rely on deep networks, which require large amounts of training data. While weakly-supervised methods require less supervision, by utilizing 2D poses or multi-view imagery without annotations, they…

计算机视觉与模式识别 · 计算机科学 2018-04-05 Helge Rhodin , Mathieu Salzmann , Pascal Fua

We study end-to-end learning strategies for 3D shape inference from images, in particular from a single image. Several approaches in this direction have been investigated that explore different shape representations and suitable learning…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Roman Klokov , Jakob Verbeek , Edmond Boyer

Face anti-spoofing is crucial for the security of face recognition systems. Learning based methods especially deep learning based methods need large-scale training samples to reduce overfitting. However, acquiring spoof data is very…

计算机视觉与模式识别 · 计算机科学 2021-02-11 Jianzhu Guo , Xiangyu Zhu , Jinchuan Xiao , Zhen Lei , Genxun Wan , Stan Z. Li

How to effectively represent camera pose is an essential problem in 3D computer vision, especially in tasks such as camera pose regression and novel view synthesis. Traditionally, 3D position of the camera is represented by Cartesian…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Yaxuan Zhu , Ruiqi Gao , Siyuan Huang , Song-Chun Zhu , Ying Nian Wu

In this paper, a novel deep-learning based framework is proposed to infer 3D human poses from a single image. Specifically, a two-phase approach is developed. We firstly utilize a generator with two branches for the extraction of explicit…

计算机视觉与模式识别 · 计算机科学 2018-09-24 Kun Zhou , Jinmiao Cai , Yao Li , Yulong Shi , Xiaoguang Han , Nianjuan Jiang , Kui Jia , Jiangbo Lu

Synthetic visual data can provide practically infinite diversity and rich labels, while avoiding ethical issues with privacy and bias. However, for many tasks, current models trained on synthetic data generalize poorly to real data. The…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Carl Doersch , Andrew Zisserman

3D geometry is a very informative cue when interacting with and navigating an environment. This writing proposes a new approach to 3D reconstruction and scene understanding, which implicitly learns 3D geometry from depth maps pairing a deep…

计算机视觉与模式识别 · 计算机科学 2018-08-22 Dario Rethage , Federico Tombari , Felix Achilles , Nassir Navab

Capturing and labeling camera images in the real world is an expensive task, whereas synthesizing labeled images in a simulation environment is easy for collecting large-scale image data. However, learning from only synthetic images may not…

计算机视觉与模式识别 · 计算机科学 2018-07-06 Tadanobu Inoue , Subhajit Chaudhury , Giovanni De Magistris , Sakyasingha Dasgupta

The task of generating natural images from 3D scenes has been a long standing goal in computer graphics. On the other hand, recent developments in deep neural networks allow for trainable models that can produce natural-looking images with…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Hassan Abu Alhaija , Siva Karthik Mustikovela , Andreas Geiger , Carsten Rother

Synthetic image data generation represents a promising avenue for training deep learning models, particularly in the realm of transfer learning, where obtaining real images within a specific domain can be prohibitively expensive due to…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Yuhang Li , Xin Dong , Chen Chen , Jingtao Li , Yuxin Wen , Michael Spranger , Lingjuan Lyu

Recovering structure and motion parameters given a image pair or a sequence of images is a well studied problem in computer vision. This is often achieved by employing Structure from Motion (SfM) or Simultaneous Localization and Mapping…

计算机视觉与模式识别 · 计算机科学 2018-11-07 Thanuja Dharmasiri , Andrew Spek , Tom Drummond

The ability to produce convincing textural details is essential for the fidelity of synthesized person images. However, existing methods typically follow a ``warping-based'' strategy that propagates appearance features through the same…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Lingbo Yang , Pan Wang , Xinfeng Zhang , Shanshe Wang , Zhanning Gao , Peiran Ren , Xuansong Xie , Siwei Ma , Wen Gao

As 3D human pose estimation can now be achieved with very high accuracy in the supervised learning scenario, tackling the case where 3D pose annotations are not available has received increasing attention. In particular, several methods…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Krishna Kanth Nakka , Mathieu Salzmann

Deep Learning methods usually require huge amounts of training data to perform at their full potential, and often require expensive manual labeling. Using synthetic images is therefore very attractive to train object detectors, as the…

计算机视觉与模式识别 · 计算机科学 2017-11-20 Stefan Hinterstoisser , Vincent Lepetit , Paul Wohlhart , Kurt Konolige

We present a novel method for recovering the absolute pose and shape of a human in a pre-scanned scene given a single image. Unlike previous methods that perform sceneaware mesh optimization, we propose to first estimate absolute position…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Zehong Shen , Zhi Cen , Sida Peng , Qing Shuai , Hujun Bao , Xiaowei Zhou

We present a new deep learning approach to pose-guided resynthesis of human photographs. At the heart of the new approach is the estimation of the complete body surface texture based on a single photograph. Since the input photograph always…

计算机视觉与模式识别 · 计算机科学 2019-07-22 Artur Grigorev , Artem Sevastopolsky , Alexander Vakhitov , Victor Lempitsky

Conventional 3D human pose estimation relies on first detecting 2D body keypoints and then solving the 2D to 3D correspondence problem.Despite the promising results, this learning paradigm is highly dependent on the quality of the 2D…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Jue Wang , Shaoli Huang , Xinchao Wang , Dacheng Tao

Deep metric learning aims to learn embeddings that contain semantic similarity information among data points. To learn better embeddings, methods to generate synthetic hard samples have been proposed. Existing methods of synthetic hard…

计算机视觉与模式识别 · 计算机科学 2020-04-24 Geonmo Gu , Byungsoo Ko

The goal of this work is to replace objects in an RGB-D scene with corresponding 3D models from a library. We approach this problem by first detecting and segmenting object instances in the scene using the approach from Gupta et al. [13].…

计算机视觉与模式识别 · 计算机科学 2015-02-17 Saurabh Gupta , Pablo Arbeláez , Ross Girshick , Jitendra Malik