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Related papers: A Hierarchical Approach for Joint Multi-view Objec…

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A large amount of research on Convolutional Neural Networks has focused on flat Classification in the multi-class domain. In the real world, many problems are naturally expressed as problems of hierarchical classification, in which the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Riccardo La Grassa , Ignazio Gallo , Nicola Landro

Despite high-dimensionality of images, the sets of images of 3D objects have long been hypothesized to form low-dimensional manifolds. What is the nature of such manifolds? How do they differ across objects and object classes? Answering…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Benjamin Beaudett , Shenyuan Liang , Anuj Srivastava

Remarkable progress has been made in 3D human pose estimation from a monocular RGB camera. However, only a few studies explored 3D multi-person cases. In this paper, we attempt to address the lack of a global perspective of the top-down…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Jiefeng Li , Can Wang , Wentao Liu , Chen Qian , Cewu Lu

This paper investigates, using prior shape models and the concept of ball scale (b-scale), ways of automatically recognizing objects in 3D images without performing elaborate searches or optimization. That is, the goal is to place the model…

Computer Vision and Pattern Recognition · Computer Science 2015-05-18 Ulas Bagci , Jayaram K. Udupa , Xinjian Chen

The human visual perception system demonstrates exceptional capabilities in learning without explicit supervision and understanding the part-to-whole composition of objects. Drawing inspiration from these two abilities, we propose…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Shengcao Cao , Dhiraj Joshi , Liang-Yan Gui , Yu-Xiong Wang

In this paper, we present an accurate approach to estimate vehicles' pose and shape from off-board multiview images. The images are taken by monocular cameras and have small overlaps. We utilize state-of-the-art convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Wenhao Ding , Shuaijun Li , Guilin Zhang , Xiangyu Lei , Huihuan Qian

To avoid the exhaustive search over locations and scales, current state-of-the-art object detection systems usually involve a crucial component generating a batch of candidate object proposals from images. In this paper, we present a simple…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Tianshui Chen , Liang Lin , Xian Wu , Nong Xiao , Xiaonan Luo

We present a novel method to infer, in closed-form, a general 3D spatial occupancy and orientation of a collection of rigid objects given 2D image detections from a sequence of images. In particular, starting from 2D ellipses fitted to…

Computer Vision and Pattern Recognition · Computer Science 2015-07-21 Cosimo Rubino , Marco Crocco , Alessandro Perina , Vittorio Murino , Alessio Del Bue

Estimating the 3D shape of an object from a single or multiple images has gained popularity thanks to the recent breakthroughs powered by deep learning. Most approaches regress the full object shape in a canonical pose, possibly…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 Riccardo Spezialetti , David Joseph Tan , Alessio Tonioni , Keisuke Tateno , Federico Tombari

Good pre-trained visual representations could enable robots to learn visuomotor policy efficiently. Still, existing representations take a one-size-fits-all-tasks approach that comes with two important drawbacks: (1) Being completely…

Robotics · Computer Science 2024-11-05 Jianing Qian , Yunshuang Li , Bernadette Bucher , Dinesh Jayaraman

We propose a new method for fine-grained few-shot recognition via deep object parsing. In our framework, an object is made up of K distinct parts and for each part, we learn a dictionary of templates, which is shared across all instances…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Ruizhao Zhu , Pengkai Zhu , Samarth Mishra , Venkatesh Saligrama

In this paper, we propose a self-supervised learningmethod for multi-object pose estimation. 3D object under-standing from 2D image is a challenging task that infers ad-ditional dimension from reduced-dimensional information.In particular,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Hyeonwoo Yu , Jean Oh

Intelligent robots require object-level scene understanding to reason about possible tasks and interactions with the environment. Moreover, many perception tasks such as scene reconstruction, image retrieval, or place recognition can…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Cathrin Elich , Iro Armeni , Martin R. Oswald , Marc Pollefeys , Joerg Stueckler

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…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Yigit Baran Can , Alexander Liniger , Danda Pani Paudel , Luc Van Gool

Hierarchical classification aims to sort the object into a hierarchical structure of categories. For example, a bird can be categorized according to a three-level hierarchy of order, family, and species. Existing methods commonly address…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Renzhen Wang , De cai , Kaiwen Xiao , Xixi Jia , Xiao Han , Deyu Meng

In this paper, we address the problem of landmark-based visual place recognition. In the state-of-the-art method, accurate object proposal algorithms are first leveraged for generating a set of local regions containing particular landmarks…

Robotics · Computer Science 2018-08-24 Bo Yang , Jun Li , Xiaosu Xu , Hong Zhang

We propose a novel recurrent attentional structure to localize and recognize objects jointly. The network can learn to extract a sequence of local observations with detailed appearance and rough context, instead of sliding windows or…

Computer Vision and Pattern Recognition · Computer Science 2017-12-20 Jie Lyu , Zejian Yuan , Dapeng Chen

We propose a new bottom-up method for multi-person 2D human pose estimation that is particularly well suited for urban mobility such as self-driving cars and delivery robots. The new method, PifPaf, uses a Part Intensity Field (PIF) to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Sven Kreiss , Lorenzo Bertoni , Alexandre Alahi

This work aims for image categorization using a representation of distinctive parts. Different from existing part-based work, we argue that parts are naturally shared between image categories and should be modeled as such. We motivate our…

Computer Vision and Pattern Recognition · Computer Science 2016-07-13 Pascal Mettes , Jan C. van Gemert , Cees G. M. Snoek

Patch-level image representation is very important for object classification and detection, since it is robust to spatial transformation, scale variation, and cluttered background. Many existing methods usually require fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Peng Tang , Xinggang Wang , Zilong Huang , Xiang Bai , Wenyu Liu