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We propose a novel framework for fine-grained object recognition that learns to recover object variation in 3D space from a single image, trained on an image collection without using any ground-truth 3D annotation. We accomplish this by…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Sunghun Joung , Seungryong Kim , Minsu Kim , Ig-Jae Kim , Kwanghoon Sohn

3D scene understanding is a long-standing challenge in computer vision and a key component in enabling mixed reality, wearable computing, and embodied AI. Providing a solution to these applications requires a multifaceted approach that…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Anna-Maria Halacheva , Yang Miao , Jan-Nico Zaech , Xi Wang , Luc Van Gool , Danda Pani Paudel

In this paper we present a novel deep learning method for 3D object detection and 6D pose estimation from RGB images. Our method, named DPOD (Dense Pose Object Detector), estimates dense multi-class 2D-3D correspondence maps between an…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Sergey Zakharov , Ivan Shugurov , Slobodan Ilic

In the realm of object pose estimation, scenarios involving both dynamic objects and moving cameras are prevalent. However, the scarcity of corresponding real-world datasets significantly hinders the development and evaluation of robust…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Xiangting Meng , Jiaqi Yang , Mingshu Chen , Chenxin Yan , Yujiao Shi , Wenchao Ding , Laurent Kneip

This paper proposes a category-level 6D object pose and shape estimation approach iCaps, which allows tracking 6D poses of unseen objects in a category and estimating their 3D shapes. We develop a category-level auto-encoder network using…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Xinke Deng , Junyi Geng , Timothy Bretl , Yu Xiang , Dieter Fox

Fine-grained classification remains a challenging task because distinguishing categories needs learning complex and local differences. Diversity in the pose, scale, and position of objects in an image makes the problem even more difficult.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Mahdi Darvish , Mahsa Pouramini , Hamid Bahador

An essential prerequisite for unleashing the potential of supervised deep learning algorithms in the area of 3D scene understanding is the availability of large-scale and richly annotated datasets. However, publicly available datasets are…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Qingyong Hu , Bo Yang , Sheikh Khalid , Wen Xiao , Niki Trigoni , Andrew Markham

Traditional approaches for learning 3D object categories have been predominantly trained and evaluated on synthetic datasets due to the unavailability of real 3D-annotated category-centric data. Our main goal is to facilitate advances in…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Jeremy Reizenstein , Roman Shapovalov , Philipp Henzler , Luca Sbordone , Patrick Labatut , David Novotny

3D semantic segmentation is one of the key tasks for autonomous driving system. Recently, deep learning models for 3D semantic segmentation task have been widely researched, but they usually require large amounts of training data. However,…

Robotics · Computer Science 2020-02-24 Yancheng Pan , Biao Gao , Jilin Mei , Sibo Geng , Chengkun Li , Huijing Zhao

The development of modern Artificial Intelligence (AI) models, particularly diffusion-based models employed in computer vision and image generation tasks, is undergoing a paradigmatic shift in development methodologies. Traditionally…

Machine Learning · Computer Science 2025-06-13 Sajjad Abdoli , Freeman Lewin , Gediminas Vasiliauskas , Fabian Schonholz

We introduce a new approach for estimating the 3D pose and the 3D shape of an object from a single image. Given a training set of view exemplars, we learn and select appearance-based discriminative parts which are mapped onto the 3D model…

Computer Vision and Pattern Recognition · Computer Science 2015-02-03 Menglong Zhu , Xiaowei Zhou , Kostas Daniilidis

This paper addresses the problem of 3D human pose estimation in the wild. A significant challenge is the lack of training data, i.e., 2D images of humans annotated with 3D poses. Such data is necessary to train state-of-the-art CNN…

Computer Vision and Pattern Recognition · Computer Science 2018-02-13 Grégory Rogez , Cordelia Schmid

3D object detection has become indispensable in the field of autonomous driving. To date, gratifying breakthroughs have been recorded in 3D object detection research, attributed to deep learning. However, deep learning algorithms are…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Yucheng Zhang , Masaki Fukuda , Yasunori Ishii , Kyoko Ohshima , Takayoshi Yamashita

Current approaches for fine-grained recognition do the following: First, recruit experts to annotate a dataset of images, optionally also collecting more structured data in the form of part annotations and bounding boxes. Second, train a…

Computer Vision and Pattern Recognition · Computer Science 2016-10-19 Jonathan Krause , Benjamin Sapp , Andrew Howard , Howard Zhou , Alexander Toshev , Tom Duerig , James Philbin , Li Fei-Fei

Most successful approaches to estimate the 6D pose of an object typically train a neural network by supervising the learning with annotated poses in real world images. These annotations are generally expensive to obtain and a common…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Juil Sock , Guillermo Garcia-Hernando , Anil Armagan , Tae-Kyun Kim

Accurately estimating the 3D pose and shape is an essential step towards understanding animal behavior, and can potentially benefit many downstream applications, such as wildlife conservation. However, research in this area is held back by…

Estimating the 9D pose of everyday objects from a single real-world image remains challenging. This is largely due to the lack of large-scale supervision. Most existing datasets either rely heavily on synthetic renderings or provide limited…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Leonhard Sommer , Emil Akopyan , Adam Kortylewski

This work proposes a process for efficiently training a point-wise object detector that enables localizing objects and computing their 6D poses in cluttered and occluded scenes. Accurate pose estimation is typically a requirement for robust…

Computer Vision and Pattern Recognition · Computer Science 2019-02-22 Jean-Philippe Mercier , Chaitanya Mitash , Philippe Giguère , Abdeslam Boularias

We propose a weakly-supervised multi-view learning approach to learn category-specific surface mapping without dense annotations. We learn the underlying surface geometry of common categories, such as human faces, cars, and airplanes, given…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Nishant Rai , Aidas Liaudanskas , Srinivas Rao , Rodrigo Ortiz Cayon , Matteo Munaro , Stefan Holzer

Compared to 2D object bounding-box labeling, it is very difficult for humans to annotate 3D object poses, especially when depth images of scenes are unavailable. This paper investigates whether we can estimate the object poses effectively…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Zongxin Yang , Xin Yu , Yi Yang