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Motivation: Cryo-Electron Tomography (cryo-ET) is a 3D bioimaging tool that visualizes the structural and spatial organization of macromolecules at a near-native state in single cells, which has broad applications in life science. However,…

Quantitative Methods · Quantitative Biology 2021-07-28 Xuefeng Du , Haohan Wang , Zhenxi Zhu , Xiangrui Zeng , Yi-Wei Chang , Jing Zhang , Min Xu

Some imitation learning methods combine behavioural cloning with self-supervision to infer actions from state pairs. However, most rely on a large number of expert trajectories to increase generalisation and human intervention to capture…

Machine Learning · Computer Science 2024-07-23 Nathan Gavenski , Juarez Monteiro , Felipe Meneguzzi , Michael Luck , Odinaldo Rodrigues

One key bottleneck of employing state-of-the-art semantic segmentation networks in the real world is the availability of training labels. Conventional semantic segmentation networks require massive pixel-wise annotated labels to reach…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Erik Ostrowski , Muhammad Shafique

Generalized Category Discovery (GCD) is a challenging task in which, given a partially labelled dataset, models must categorize all unlabelled instances, regardless of whether they come from labelled categories or from new ones. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Hongjun Wang , Sagar Vaze , Kai Han

Training large language representation models has become a standard in the natural language processing community. This allows for fine tuning on any number of specific tasks, however, these large high capacity models can continue to train…

Computation and Language · Computer Science 2020-04-09 Kristjan Arumae , Parminder Bhatia

Human-Object Interaction (HOI) recognition is challenging due to two factors: (1) significant imbalance across classes and (2) requiring multiple labels per image. This paper shows that these two challenges can be effectively addressed by…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Ying Jin , Yinpeng Chen , Lijuan Wang , Jianfeng Wang , Pei Yu , Lin Liang , Jenq-Neng Hwang , Zicheng Liu

Human-Object Interaction (HOI) recognition is challenging due to two factors: (1) significant imbalance across classes and (2) requiring multiple labels per image. This paper shows that these two challenges can be effectively addressed by…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Ying Jin , Yinpeng Chen , Lijuan Wang , Jianfeng Wang , Pei Yu , Lin Liang , Jenq-Neng Hwang , Zicheng Liu

Semi-supervised medical image segmentation has attracted much attention in recent years because of the high cost of medical image annotations. In this paper, we propose a novel Inherent Consistent Learning (ICL) method, aims to learn robust…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Ye Zhu , Jie Yang , Si-Qi Liu , Ruimao Zhang

Open-ended learning benefits immensely from the use of symbolic methods for goal representation as they offer ways to structure knowledge for efficient and transferable learning. However, the existing Hierarchical Reinforcement Learning…

Machine Learning · Computer Science 2024-12-20 Mehdi Zadem , Sergio Mover , Sao Mai Nguyen

A key stumbling block for neural cross-language information retrieval (CLIR) systems has been the paucity of training data. The appearance of the MS MARCO monolingual training set led to significant advances in the state of the art in…

Information Retrieval · Computer Science 2023-05-02 James Mayfield , Eugene Yang , Dawn Lawrie , Samuel Barham , Orion Weller , Marc Mason , Suraj Nair , Scott Miller

Large language models (LLMs) can perform a new task by merely conditioning on task instructions and a few input-output examples, without optimizing any parameters. This is called In-Context Learning (ICL). In-context Information Extraction…

Computation and Language · Computer Science 2025-07-14 Chaoxu Pang , Yixuan Cao , Qiang Ding , Ping Luo

Cross-lingual Speech Emotion Recognition (CLSER) aims to identify emotional states in unseen languages. However, existing methods heavily rely on the semantic synchrony of complete labels and static feature stability, hindering low-resource…

Sound · Computer Science 2026-04-10 Ya Zhao , Yinfeng Yu , Liejun Wang

Conventional representation learning methods learn a universal representation that primarily captures dominant semantics, which may not always align with customized downstream tasks. For instance, in animal habitat analysis, researchers…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Honglin Liu , Chao Sun , Peng Hu , Yunfan Li , Xi Peng

Transfer learning from large-scale pre-trained models has become essential for many computer vision tasks. Recent studies have shown that datasets like ImageNet are weakly labeled since images with multiple object classes present are…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Sai Rajeswar , Pau Rodriguez , Soumye Singhal , David Vazquez , Aaron Courville

Existing transformer-based image backbones typically propagate feature information in one direction from lower to higher-levels. This may not be ideal since the localization ability to delineate accurate object boundaries, is most prominent…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Gary Leung , Jun Gao , Xiaohui Zeng , Sanja Fidler

Acquiring the most representative examples via active learning (AL) can benefit many data-dependent computer vision tasks by minimizing efforts of image-level or pixel-wise annotations. In this paper, we propose a novel Collaborative…

Computer Vision and Pattern Recognition · Computer Science 2022-01-12 Yu Qiao , Jincheng Zhu , Chengjiang Long , Zeyao Zhang , Yuxin Wang , Zhenjun Du , Xin Yang

Human-Object Interaction (HOI) detection is a fundamental task in high-level human-centric scene understanding. We propose PhraseHOI, containing a HOI branch and a novel phrase branch, to leverage language prior and improve relation…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Zhimin Li , Cheng Zou , Yu Zhao , Boxun Li , Sheng Zhong

This paper proposes a novel learning architecture for acquiring generalizable high-level symbolic skills from a few unlabeled low-level skill trajectory demonstrations. The architecture involves neural networks for symbol discovery and…

Robotics · Computer Science 2026-03-03 Hakan Aktas , Yigit Yildirim , Ahmet Firat Gamsiz , Deniz Bilge Akkoc , Erhan Oztop , Emre Ugur

Consider a sequential active learning problem where, at each round, an agent selects a batch of unlabeled data points, queries their labels and updates a binary classifier. While there exists a rich body of work on active learning in this…

Machine Learning · Computer Science 2020-05-26 Abbas Kazerouni , Qi Zhao , Jing Xie , Sandeep Tata , Marc Najork

Cross-lingual named entity recognition (NER) aims to train an NER system that generalizes well to a target language by leveraging labeled data in a given source language. Previous work alleviates the data scarcity problem by translating…

Computation and Language · Computer Science 2023-05-25 Tingting Ma , Qianhui Wu , Huiqiang Jiang , Börje F. Karlsson , Tiejun Zhao , Chin-Yew Lin