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We present a novel method for computing correspondences across 3D shapes using unsupervised learning. Our method computes a non-linear transformation of given descriptor functions, while optimizing for global structural properties of the…

Graphics · Computer Science 2019-08-23 Jean-Michel Roufosse , Abhishek Sharma , Maks Ovsjanikov

Most recent work in goal oriented visual navigation resorts to large-scale machine learning in simulated environments. The main challenge lies in learning compact representations generalizable to unseen environments and in learning…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Guillaume Bono , Leonid Antsfeld , Boris Chidlovskii , Philippe Weinzaepfel , Christian Wolf

Contrastive learning has recently shown immense potential in unsupervised visual representation learning. Existing studies in this track mainly focus on intra-image invariance learning. The learning typically uses rich intra-image…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Jiahao Xie , Xiaohang Zhan , Ziwei Liu , Yew Soon Ong , Chen Change Loy

Semi-supervised learning aims to boost the accuracy of a model by exploring unlabeled images. The state-of-the-art methods are consistency-based which learn about unlabeled images by encouraging the model to give consistent predictions for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Rongchang Xie , Chunyu Wang , Wenjun Zeng , Yizhou Wang

In this work, we introduce a novel paradigm for generalized In-Context Learning (ICL), termed Indirect In-Context Learning. In Indirect ICL, we explore demonstration selection strategies tailored for two distinct real-world scenarios:…

Machine Learning · Computer Science 2025-10-03 Hadi Askari , Shivanshu Gupta , Terry Tong , Fei Wang , Anshuman Chhabra , Muhao Chen

We propose a novel unsupervised backlit image enhancement method, abbreviated as CLIP-LIT, by exploring the potential of Contrastive Language-Image Pre-Training (CLIP) for pixel-level image enhancement. We show that the open-world CLIP…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Zhexin Liang , Chongyi Li , Shangchen Zhou , Ruicheng Feng , Chen Change Loy

We introduce an approach for incremental learning that preserves feature descriptors of training images from previously learned classes, instead of the images themselves, unlike most existing work. Keeping the much lower-dimensional feature…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Ahmet Iscen , Jeffrey Zhang , Svetlana Lazebnik , Cordelia Schmid

Previous cycle-consistency correspondence learning methods usually leverage image patches for training. In this paper, we present a fully convolutional method, which is simpler and more coherent to the inference process. While directly…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Yansong Tang , Zhenyu Jiang , Zhenda Xie , Yue Cao , Zheng Zhang , Philip H. S. Torr , Han Hu

The problem of path planning has been studied for years. Classic planning pipelines, including perception, mapping, and path searching, can result in latency and compounding errors between modules. While recent studies have demonstrated the…

Robotics · Computer Science 2025-10-31 Fan Yang , Chen Wang , Cesar Cadena , Marco Hutter

Current top-leading solutions for video object segmentation (VOS) typically follow a matching-based regime: for each query frame, the segmentation mask is inferred according to its correspondence to previously processed and the first…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Yurong Zhang , Liulei Li , Wenguan Wang , Rong Xie , Li Song , Wenjun Zhang

Existing diffusion models show great potential for identity-preserving generation. However, personalized portrait generation remains challenging due to the diversity in user profiles, including variations in appearance and lighting…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Han Yang , Enis Simsar , Sotiris Anagnostidis , Yanlong Zang , Thomas Hofmann , Ziwei Liu

Recently, multi-modality scene perception tasks, e.g., image fusion and scene understanding, have attracted widespread attention for intelligent vision systems. However, early efforts always consider boosting a single task unilaterally and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Zhu Liu , Jinyuan Liu , Guanyao Wu , Long Ma , Xin Fan , Risheng Liu

A fundamental characteristic common to both human vision and natural language is their compositional nature. Yet, despite the performance gains contributed by large vision and language pretraining, recent investigations find that most-if…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Chenhao Zheng , Jieyu Zhang , Aniruddha Kembhavi , Ranjay Krishna

In this work, we present a novel learning-based framework that combines the local accuracy of contrastive learning with the global consistency of geometric approaches, for robust non-rigid matching. We first observe that while contrastive…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Lei Li , Souhaib Attaiki , Maks Ovsjanikov

Inverse reinforcement learning (IRL) is an imitation learning approach to learning reward functions from expert demonstrations. Its use avoids the difficult and tedious procedure of manual reward specification while retaining the…

Machine Learning · Computer Science 2024-03-25 Daulet Baimukashev , Gokhan Alcan , Ville Kyrki

Deep features have been proven powerful in building accurate dense semantic correspondences in various previous works. However, the multi-scale and pyramidal hierarchy of convolutional neural networks has not been well studied to learn…

Computer Vision and Pattern Recognition · Computer Science 2021-08-30 Dongyang Zhao , Ziyang Song , Zhenghao Ji , Gangming Zhao , Weifeng Ge , Yizhou Yu

Self-supervised learning (SSL) has made enormous progress and largely narrowed the gap with the supervised ones, where the representation learning is mainly guided by a projection into an embedding space. During the projection, current…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Lang Huang , Shan You , Mingkai Zheng , Fei Wang , Chen Qian , Toshihiko Yamasaki

In class-incremental learning, an agent with limited resources needs to learn a sequence of classification tasks, forming an ever growing classification problem, with the constraint of not being able to access data from previous tasks. The…

Machine Learning · Computer Science 2024-05-29 Albin Soutif--Cormerais , Marc Masana , Joost van de Weijer , Bartłomiej Twardowski

Imitation Learning (IL) is an effective learning paradigm exploiting the interactions between agents and environments. It does not require explicit reward signals and instead tries to recover desired policies using expert demonstrations. In…

Machine Learning · Computer Science 2021-12-14 Yang Liu , Yongzhe Chang , Shilei Jiang , Xueqian Wang , Bin Liang , Bo Yuan

Federated learning aims to tackle the ``isolated data island" problem, where it trains a collective model from physically isolated clients while safeguarding the privacy of users' data. However, supervised federated learning necessitates…

Artificial Intelligence · Computer Science 2024-04-18 Hao Yan , Yuhong Guo