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Sketch-based 3D shape retrieval is a challenging task due to the large domain discrepancy between sketches and 3D shapes. Since existing methods are trained and evaluated on the same categories, they cannot effectively recognize the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Rui Xu , Zongyan Han , Le Hui , Jianjun Qian , Jin Xie

Robust object recognition systems usually rely on powerful feature extraction mechanisms from a large number of real images. However, in many realistic applications, collecting sufficient images for ever-growing new classes is unattainable.…

Computer Vision and Pattern Recognition · Computer Science 2017-05-05 Yang Long , Li Liu , Ling Shao , Fumin Shen , Guiguang Ding , Jungong Han

3D point cloud understanding has made great progress in recent years. However, one major bottleneck is the scarcity of annotated real datasets, especially compared to 2D object detection tasks, since a large amount of labor is involved in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Yongming Rao , Benlin Liu , Yi Wei , Jiwen Lu , Cho-Jui Hsieh , Jie Zhou

Large vision models based in deep learning architectures have been consistently advancing the state-of-the-art in biometric recognition. However, three weaknesses are commonly reported for such kind of approaches: 1) their extreme demands…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Henrique Jesus , Hugo Proença

Aiming at inferring 3D shapes from 2D images, 3D shape reconstruction has drawn huge attention from researchers in computer vision and deep learning communities. However, it is not practical to assume that 2D input images and their…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Yi-Lun Liao , Yao-Cheng Yang , Yu-Chiang Frank Wang

We present neural architectures that disentangle RGB-D images into objects' shapes and styles and a map of the background scene, and explore their applications for few-shot 3D object detection and few-shot concept classification. Our…

Computer Vision and Pattern Recognition · Computer Science 2021-07-22 Mihir Prabhudesai , Shamit Lal , Darshan Patil , Hsiao-Yu Tung , Adam W Harley , Katerina Fragkiadaki

With the increasing availability of large databases of 3D CAD models, depth-based recognition methods can be trained on an uncountable number of synthetically rendered images. However, discrepancies with the real data acquired from various…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Sergey Zakharov , Benjamin Planche , Ziyan Wu , Andreas Hutter , Harald Kosch , Slobodan Ilic

Recent advancements in deep learning have been primarily driven by the use of large models trained on increasingly vast datasets. While neural scaling laws have emerged to predict network performance given a specific level of computational…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Elior Benarous , Sotiris Anagnostidis , Luca Biggio , Thomas Hofmann

Crowdsourced 3D CAD models are becoming easily accessible online, and can potentially generate an infinite number of training images for almost any object category.We show that augmenting the training data of contemporary Deep Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2015-10-13 Xingchao Peng , Baochen Sun , Karim Ali , Kate Saenko

Zero-shot recognition (ZSR) deals with the problem of predicting class labels for target domain instances based on source domain side information (e.g. attributes) of unseen classes. We formulate ZSR as a binary prediction problem. Our…

Computer Vision and Pattern Recognition · Computer Science 2016-08-22 Ziming Zhang , Venkatesh Saligrama

The rapid development of inexpensive commodity depth sensors has made keypoint detection and matching in the depth image modality an important problem in computer vision. Despite great improvements in recent RGB local feature learning…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Jisan Mahmud , Rajat Vikram Singh , Peri Akiva , Spondon Kundu , Kuan-Chuan Peng , Jan-Michael Frahm

Image-based 3D shape retrieval (IBSR) aims to find the corresponding 3D shape of a given 2D image from a large 3D shape database. The common routine is to map 2D images and 3D shapes into an embedding space and define (or learn) a shape…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Huan Fu , Shunming Li , Rongfei Jia , Mingming Gong , Binqiang Zhao , Dacheng Tao

Significant progress has recently been made in creative applications of large pre-trained models for downstream tasks in 3D vision, such as text-to-shape generation. This motivates our investigation of how these pre-trained models can be…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Aditya Sanghi , Pradeep Kumar Jayaraman , Arianna Rampini , Joseph Lambourne , Hooman Shayani , Evan Atherton , Saeid Asgari Taghanaki

Existing deep learning-based approaches for monocular 3D object detection in autonomous driving often model the object as a rotated 3D cuboid while the object's geometric shape has been ignored. In this work, we propose an approach for…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Zongdai Liu , Dingfu Zhou , Feixiang Lu , Jin Fang , Liangjun Zhang

Using synthetic data for training deep neural networks for robotic manipulation holds the promise of an almost unlimited amount of pre-labeled training data, generated safely out of harm's way. One of the key challenges of synthetic data,…

Robotics · Computer Science 2018-10-01 Jonathan Tremblay , Thang To , Balakumar Sundaralingam , Yu Xiang , Dieter Fox , Stan Birchfield

Despite significant progress made in the past few years, challenges remain for depth estimation using a single monocular image. First, it is nontrivial to train a metric-depth prediction model that can generalize well to diverse scenes…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Wei Yin , Jianming Zhang , Oliver Wang , Simon Niklaus , Simon Chen , Yifan Liu , Chunhua Shen

In this paper, we explore a self-supervised model that learns to detect the symmetry of a single object without requiring a dataset-relying solely on the input object itself. We hypothesize that the symmetry of an object can be determined…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Isaac Aguirre , Ivan Sipiran , Gabriel Montañana

Recent monocular 3D shape reconstruction methods have shown promising zero-shot results on object-segmented images without any occlusions. However, their effectiveness is significantly compromised in real-world conditions, due to imperfect…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Junhyeong Cho , Kim Youwang , Hunmin Yang , Tae-Hyun Oh

Realistic and diverse 3D shape generation is helpful for a wide variety of applications such as virtual reality, gaming, and animation. Modern generative models, such as GANs and diffusion models, learn from large-scale datasets and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Jingyuan Zhu , Huimin Ma , Jiansheng Chen , Jian Yuan

Despite the recent success of state-of-the-art 3D object recognition approaches, service robots are frequently failed to recognize many objects in real human-centric environments. For these robots, object recognition is a challenging task…

Robotics · Computer Science 2020-09-29 S. Hamidreza Kasaei , Maryam Ghorbani , Jits Schilperoort , Wessel van der Rest