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We present a novel 3D pose refinement approach based on differentiable rendering for objects of arbitrary categories in the wild. In contrast to previous methods, we make two main contributions: First, instead of comparing real-world images…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Alexander Grabner , Yaming Wang , Peizhao Zhang , Peihong Guo , Tong Xiao , Peter Vajda , Peter M. Roth , Vincent Lepetit

3D pose transfer is a challenging generation task that aims to transfer the pose of a source geometry onto a target geometry with the target identity preserved. Many prior methods require keypoint annotations to find correspondence between…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Jiaze Sun , Zhixiang Chen , Tae-Kyun Kim

We aim to improve the Inverted Neural Radiance Fields (iNeRF) algorithm which defines the image pose estimation problem as a NeRF based iterative linear optimization. NeRFs are novel neural space representation models that can synthesize…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Ágoston István Csehi , Csaba Máté Józsa

This paper presents a generative adversarial network (GAN) based approach for radar image enhancement. Although radar sensors remain robust for operations under adverse weather conditions, their application in autonomous vehicles (AVs) is…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Thakshila Thilakanayake , Oscar De Silva , Thumeera R. Wanasinghe , George K. Mann , Awantha Jayasiri

Since the introduction of modern deep learning methods for object pose estimation, test accuracy and efficiency has increased significantly. For training, however, large amounts of annotated training data are required for good performance.…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Frederik Hagelskjaer , Anders Glent Buch

The advancement of generative radiance fields has pushed the boundary of 3D-aware image synthesis. Motivated by the observation that a 3D object should look realistic from multiple viewpoints, these methods introduce a multi-view constraint…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Xingang Pan , Xudong Xu , Chen Change Loy , Christian Theobalt , Bo Dai

We present variational generative adversarial networks, a general learning framework that combines a variational auto-encoder with a generative adversarial network, for synthesizing images in fine-grained categories, such as faces of a…

计算机视觉与模式识别 · 计算机科学 2018-02-06 Jianmin Bao , Dong Chen , Fang Wen , Houqiang Li , Gang Hua

Generative networks are fundamentally different in their aim and methods compared to CNNs for classification, segmentation, or object detection. They have initially not been meant to be an image analysis tool, but to produce naturally…

计算机视觉与模式识别 · 计算机科学 2022-07-11 Markus Wenzel

Numerous 6D pose estimation methods have been proposed that employ end-to-end regression to directly estimate the target pose parameters. Since the visible features of objects are implicitly influenced by their poses, the network allows…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Jianqiu Chen , Mingshan Sun , Ye Zheng , Tianpeng Bao , Zhenyu He , Donghai Li , Guoqiang Jin , Rui Zhao , Liwei Wu , Xiaoke Jiang

3D pose estimation is a key component of many important computer vision tasks such as autonomous navigation and 3D scene understanding. Most state-of-the-art approaches to 3D pose estimation solve this problem as a pose-classification…

计算机视觉与模式识别 · 计算机科学 2017-08-21 Siddharth Mahendran , Haider Ali , Rene Vidal

Image-to-image translation is an ill-posed problem as unique one-to-one mapping may not exist between the source and target images. Learning-based methods proposed in this context often evaluate the performance on test data that is similar…

图像与视频处理 · 电气工程与系统科学 2021-10-08 Uddeshya Upadhyay , Viswanath P. Sudarshan , Suyash P. Awate

Making generative models 3D-aware bridges the 2D image space and the 3D physical world yet remains challenging. Recent attempts equip a Generative Adversarial Network (GAN) with a Neural Radiance Field (NeRF), which maps 3D coordinates to…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Yinghao Xu , Sida Peng , Ceyuan Yang , Yujun Shen , Bolei Zhou

Estimating 2D-3D correspondences between RGB images and 3D space is a fundamental problem in 6D object pose estimation. Recent pose estimators use dense correspondence maps and Point-to-Point algorithms to estimate object poses. The…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Peter Hönig , Stefan Thalhammer , Markus Vincze

We propose a system that learns to detect objects and infer their 3D poses in RGB-D images. Many existing systems can identify objects and infer 3D poses, but they heavily rely on human labels and 3D annotations. The challenge here is to…

计算机视觉与模式识别 · 计算机科学 2020-11-02 Mihir Prabhudesai , Shamit Lal , Hsiao-Yu Fish Tung , Adam W. Harley , Shubhankar Potdar , Katerina Fragkiadaki

Despite continuous improvements, precipitation forecasts are still not as accurate and reliable as those of other meteorological variables. A major contributing factor to this is that several key processes affecting precipitation…

大气与海洋物理 · 物理学 2022-11-09 Lucy Harris , Andrew T. T. McRae , Matthew Chantry , Peter D. Dueben , Tim N. Palmer

3D human pose estimation from a single image is still a challenging problem despite the large amount of work that has been performed in this field. Generally, most methods directly use neural networks and ignore certain constraints (e.g.,…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Yicheng Deng , Cheng Sun , Yongqi Sun , Jiahui Zhu

Recent work has shown the ability to learn generative models for 3D shapes from only unstructured 2D images. However, training such models requires differentiating through the rasterization step of the rendering process, therefore past work…

计算机视觉与模式识别 · 计算机科学 2020-03-02 Sebastian Lunz , Yingzhen Li , Andrew Fitzgibbon , Nate Kushman

In semiconductor manufacturing, the wafer dicing process is central yet vulnerable to defects that significantly impair yield - the proportion of defect-free chips. Deep neural networks are the current state of the art in (semi-)automated…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Zhining Hu , Tobias Schlosser , Michael Friedrich , André Luiz Vieira e Silva , Frederik Beuth , Danny Kowerko

Regression-based methods for 3D human pose estimation directly predict the 3D pose parameters from a 2D image using deep networks. While achieving state-of-the-art performance on standard benchmarks, their performance degrades under…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Yi Zhang , Pengliang Ji , Angtian Wang , Jieru Mei , Adam Kortylewski , Alan Yuille

Generative adversarial networks (GANs) has gained tremendous popularity lately due to an ability to reinforce quality of its predictive model with generated objects and the quality of the generative model with and supervised feedback. GANs…

计算机视觉与模式识别 · 计算机科学 2017-05-31 Evgeny Zamyatin , Andrey Filchenkov