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In this paper a semi-supervised deep framework is proposed for the problem of 3D shape inverse rendering from a single 2D input image. The main structure of proposed framework consists of unsupervised pre-trained components which…

计算机视觉与模式识别 · 计算机科学 2017-11-17 Shima Kamyab , S. Zohreh Azimifar

In this paper, we study the representation of the shape and pose of objects using their keypoints. Therefore, we propose an end-to-end method that simultaneously detects 2D keypoints from an image and lifts them to 3D. The proposed method…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Yigit Baran Can , Alexander Liniger , Danda Pani Paudel , Luc Van Gool

Knowledge about the locations of keypoints of an object in an image can assist in fine-grained classification and identification tasks, particularly for the case of objects that exhibit large variations in poses that greatly influence their…

计算机视觉与模式识别 · 计算机科学 2021-01-21 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh

Learning deformable 3D objects from 2D images is often an ill-posed problem. Existing methods rely on explicit supervision to establish multi-view correspondences, such as template shape models and keypoint annotations, which restricts…

计算机视觉与模式识别 · 计算机科学 2022-06-30 Shangzhe Wu , Tomas Jakab , Christian Rupprecht , Andrea Vedaldi

We present a learning framework for recovering the 3D shape, camera, and texture of an object from a single image. The shape is represented as a deformable 3D mesh model of an object category where a shape is parameterized by a learned mean…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Angjoo Kanazawa , Shubham Tulsiani , Alexei A. Efros , Jitendra Malik

Annotated 3D scene data is scarce and expensive to acquire, while abundant unlabeled videos are readily available on the internet. In this paper, we demonstrate that carefully designed data engines can leverage web-curated, unlabeled videos…

计算机视觉与模式识别 · 计算机科学 2026-04-27 Yixin Chen , Yaowei Zhang , Huangyue Yu , Junchao He , Yan Wang , Jiangyong Huang , Hongyu Shen , Junfeng Ni , Shaofei Wang , Baoxiong Jia , Song-Chun Zhu , Siyuan Huang

We propose a novel 3d shape representation for 3d shape reconstruction from a single image. Rather than predicting a shape directly, we train a network to generate a training set which will be fed into another learning algorithm to define…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Biao Zhang , Peter Wonka

Monocular 3D object detection (M3OD) is intrinsically ill-posed, hence training a high-performance deep learning based M3OD model requires a humongous amount of labeled data with complicated visual variation from diverse scenes, variety of…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Zhaonian Kuang , Rui Ding , Meng Yang , Xinhu Zheng , Gang Hua

Learning 3D models of all animals on the Earth requires massively scaling up existing solutions. With this ultimate goal in mind, we develop 3D-Fauna, an approach that learns a pan-category deformable 3D animal model for more than 100…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Zizhang Li , Dor Litvak , Ruining Li , Yunzhi Zhang , Tomas Jakab , Christian Rupprecht , Shangzhe Wu , Andrea Vedaldi , Jiajun Wu

Well-annotated medical images are costly and sometimes even impossible to acquire, hindering landmark detection accuracy to some extent. Semi-supervised learning alleviates the reliance on large-scale annotated data by exploiting the…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Runnan Chen , Yuexin Ma , Lingjie Liu , Nenglun Chen , Zhiming Cui , Guodong Wei , Wenping Wang

Learning sensorimotor control policies from high-dimensional images crucially relies on the quality of the underlying visual representations. Prior works show that structured latent space such as visual keypoints often outperforms…

机器学习 · 计算机科学 2021-06-15 Boyuan Chen , Pieter Abbeel , Deepak Pathak

We introduce SAOR, a novel approach for estimating the 3D shape, texture, and viewpoint of an articulated object from a single image captured in the wild. Unlike prior approaches that rely on pre-defined category-specific 3D templates or…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Mehmet Aygün , Oisin Mac Aodha

Understanding articulated objects from monocular video is a crucial yet challenging task in robotics and digital twin creation. Existing methods often rely on complex multi-view setups, high-fidelity object scans, or fragile long-term point…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Arslan Artykov , Tom Ravaud , Corentin Sautier , Vincent Lepetit

In reinforcement learning (RL), value-based algorithms learn to associate each observation with the states and rewards that are likely to be reached from it. We observe that many self-supervised image pre-training methods bear similarity to…

机器学习 · 计算机科学 2025-06-16 Dibya Ghosh , Sergey Levine

Despite significant progress in monocular depth estimation in the wild, recent state-of-the-art methods cannot be used to recover accurate 3D scene shape due to an unknown depth shift induced by shift-invariant reconstruction losses used in…

计算机视觉与模式识别 · 计算机科学 2020-12-18 Wei Yin , Jianming Zhang , Oliver Wang , Simon Niklaus , Long Mai , Simon Chen , Chunhua Shen

This paper describes recent developments in object specific pose and shape prediction from single images. The main contribution is a new approach to camera pose prediction by self-supervised learning of keypoints corresponding to locations…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Zahra Gharaee , Felix Järemo Lawin , Per-Erik Forssén

Self-supervised learning is showing great promise for monocular depth estimation, using geometry as the only source of supervision. Depth networks are indeed capable of learning representations that relate visual appearance to 3D properties…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Vitor Guizilini , Rui Hou , Jie Li , Rares Ambrus , Adrien Gaidon

We propose a training-free method, Articulate3D, to pose a 3D asset through language control. Despite advances in vision and language models, this task remains surprisingly challenging. To achieve this goal, we decompose the problem into…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Oishi Deb , Anjun Hu , Ashkan Khakzar , Philip Torr , Christian Rupprecht

Training neural networks to perform 3D object detection for autonomous driving requires a large amount of diverse annotated data. However, obtaining training data with sufficient quality and quantity is expensive and sometimes impossible…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Tamas Matuszka , Daniel Kozma

Monocular dense 3D reconstruction of deformable objects is a hard ill-posed problem in computer vision. Current techniques either require dense correspondences and rely on motion and deformation cues, or assume a highly accurate…

计算机视觉与模式识别 · 计算机科学 2019-08-07 Vladislav Golyanik , Soshi Shimada , Kiran Varanasi , Didier Stricker