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Deep Reinforcement Learning has shown significant progress in extracting useful representations from high-dimensional inputs albeit using hand-crafted auxiliary tasks and pseudo rewards. Automatically learning such representations in an…

机器学习 · 计算机科学 2023-06-28 Somjit Nath , Gopeshh Raaj Subbaraj , Khimya Khetarpal , Samira Ebrahimi Kahou

We present an approach for aggregating a sparse set of views of an object in order to compute a semi-implicit 3D representation in the form of a volumetric feature grid. Key to our approach is an object-centric canonical 3D coordinate…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Shubham Tulsiani , Or Litany , Charles R. Qi , He Wang , Leonidas J. Guibas

Contrastive learning has gained significant attention in short text clustering, yet it has an inherent drawback of mistakenly identifying samples from the same category as negatives and then separating them in the feature space (false…

机器学习 · 计算机科学 2026-03-16 Zhihao Yao

Large Vision-Language Models (LVLMs) usually suffer from prohibitive computational and memory costs due to the quadratic growth of visual tokens with image resolution. Existing token compression methods, while varied, often lack a…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Jingyu Lei , Gaoang Wang , Der-Horng Lee

Graph contrastive learning (GCL) learns node and graph representations by contrasting multiple views of the same graph. Existing methods typically rely on fixed, handcrafted views-usually a local and a global perspective, which limits their…

机器学习 · 计算机科学 2026-05-12 Yanan Zhao , Feng Ji , Jingyang Dai , Jiaze Ma , Keyue Jiang , Kai Zhao , Wee Peng Tay

Learning-based 3D reconstruction methods have shown impressive results. However, most methods require 3D supervision which is often hard to obtain for real-world datasets. Recently, several works have proposed differentiable rendering…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Michael Niemeyer , Lars Mescheder , Michael Oechsle , Andreas Geiger

Deep learning approaches to object detection have achieved reliable detection of specific object classes in images. However, extending a model's detection capability to new object classes requires large amounts of annotated training data,…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Vikhyat Agarwal , Jiayi Cora Guo , Declan Hoban , Sissi Zhang , Nicholas Moran , Peter Cho , Srilakshmi Pattabiraman , Shantanu Joshi

Recently, discriminatively learned correlation filters (DCF) has drawn much attention in visual object tracking community. The success of DCF is potentially attributed to the fact that a large amount of samples are utilized to train the…

计算机视觉与模式识别 · 计算机科学 2016-11-16 Kai Chen , Wenbing Tao

Learning group representation is a commonly concerned issue in tasks where the basic unit is a group, set, or sequence. Previously, the research community tries to tackle it by aggregating the elements in a group based on an indicator…

计算机视觉与模式识别 · 计算机科学 2020-09-02 Manyuan Zhang , Guanglu Song , Hang Zhou , Yu Liu

Collaborative learning enables distributed clients to learn a shared model for prediction while keeping the training data local on each client. However, existing collaborative learning methods require fully-labeled data for training, which…

机器学习 · 计算机科学 2022-04-26 Yawen Wu , Zhepeng Wang , Dewen Zeng , Meng Li , Yiyu Shi , Jingtong Hu

Recent state-of-the-art semi-supervised Video Object Segmentation (VOS) methods have shown significant improvements in target object segmentation accuracy when information from preceding frames is used in segmenting the current frame. In…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Amir Nazemi , Mohammad Javad Shafiee , Zahra Gharaee , Paul Fieguth

One-class learning (OCL) comprises a set of techniques applied when real-world problems have a single class of interest. The usual procedure for OCL is learning a hypersphere that comprises instances of this class and, ideally, repels…

机器学习 · 计算机科学 2024-08-27 M. P. S. Gôlo , J. G. B. M. Junior , D. F. Silva , R. M. Marcacini

Well structured visual representations can make robot learning faster and can improve generalization. In this paper, we study how we can acquire effective object-centric representations for robotic manipulation tasks without human labeling…

机器人学 · 计算机科学 2018-11-20 Eric Jang , Coline Devin , Vincent Vanhoucke , Sergey Levine

The goal of image ordinal estimation is to estimate the ordinal label of a given image with a convolutional neural network. Existing methods are mainly based on ordinal regression and particularly focus on modeling the ordinal mapping from…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Yiming Lei , Zilong Li , Yangyang Li , Junping Zhang , Hongming Shan

Machine unlearning seeks to remove the influence of particular data or class from trained models to meet privacy, legal, or ethical requirements. Existing unlearning methods tend to forget shallowly: phenomenon of an unlearned model pretend…

机器学习 · 计算机科学 2025-07-23 Jaeheun Jung , Bosung Jung , Suhyun Bae , Donghun Lee

Latent feature representation methods play an important role in the dimension reduction and statistical modeling of high-dimensional complex data objects. However, existing approaches to assess the quality of these methods often rely on…

统计方法学 · 统计学 2025-02-12 Emma Zohner , Edward Gunning , Giles Hooker , Jeffrey Morris

Patch-based sparse representation modeling has shown great potential in image compressive sensing (CS) reconstruction. However, this model usually suffers from some limits, such as dictionary learning with great computational complexity,…

计算机视觉与模式识别 · 计算机科学 2017-08-18 Zhiyuan Zha , Xinggan Zhang , Qiong Wang , Lan Tang , Xin Liu

Clustering is a popular machine learning technique for data mining that can process and analyze datasets to automatically reveal sample distribution patterns. Since the ubiquitous categorical data naturally lack a well-defined metric space…

机器学习 · 计算机科学 2025-09-01 Yiqun Zhang , Mingjie Zhao , Hong Jia , Yang Lu , Mengke Li , Yiu-ming Cheung

Recent work has demonstrated that graph neural networks (GNNs) trained for charged particle tracking can match the performance of traditional algorithms while improving scalability to prepare for the High Luminosity LHC experiment. Most…

数据分析、统计与概率 · 物理学 2023-10-02 Kilian Lieret , Gage DeZoort

Previous Online Knowledge Distillation (OKD) often carries out mutually exchanging probability distributions, but neglects the useful representational knowledge. We therefore propose Multi-view Contrastive Learning (MCL) for OKD to…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Chuanguang Yang , Zhulin An , Yongjun Xu