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Large-scale contrastive vision-language pre-trained models provide the zero-shot model achieving competitive performance across a range of image classification tasks without requiring training on downstream data. Recent works have confirmed…

机器学习 · 计算机科学 2024-04-02 Giung Nam , Byeongho Heo , Juho Lee

We present RiO-DETR: DETR for Real-time Oriented Object Detection, the first real-time oriented detection transformer to the best of our knowledge. Adapting DETR to oriented bounding boxes (OBBs) poses three challenges: semantics-dependent…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Zhangchi Hu , Yifan Zhao , Yansong Peng , Wenzhang Sun , Xiangchen Yin , Jie Chen , Peixi Wu , Hebei Li , Xinghao Wang , Dongsheng Jiang , Xiaoyan Sun

Communication bottlenecks and the presence of stragglers pose significant challenges in distributed learning (DL). To deal with these challenges, recent advances leverage unbiased compression functions and gradient coding. However, the…

分布式、并行与集群计算 · 计算机科学 2026-03-18 Chengxi Li , Ming Xiao , Mikael Skoglund

Group Relative Policy Optimization (GRPO) has emerged as a powerful algorithm for improving the reasoning capabilities of language models, but often fails to improve small models due to sparse rewards on difficult tasks. Existing works…

机器学习 · 计算机科学 2026-05-12 Soo Min Kwon , Ziteng Sun , Ananda Theertha Suresh , Himanshu Jain , Sanjiv Kumar

Many discriminative natural language understanding (NLU) tasks have large label spaces. Learning such a process of large-space decision making is particularly challenging due to the lack of training instances per label and the difficulty of…

计算与语言 · 计算机科学 2023-10-31 Nan Xu , Fei Wang , Mingtao Dong , Muhao Chen

Despite superior performance on various natural language processing tasks, pre-trained models such as BERT are challenged by deploying on resource-constraint devices. Most existing model compression approaches require re-compression or…

计算与语言 · 计算机科学 2021-06-07 Shaokun Zhang , Xiawu Zheng , Chenyi Yang , Yuchao Li , Yan Wang , Fei Chao , Mengdi Wang , Shen Li , Jun Yang , Rongrong Ji

A popular approach to creating a zero-shot cross-language retrieval model is to substitute a monolingual pretrained language model in the retrieval model with a multilingual pretrained language model such as Multilingual BERT. This…

信息检索 · 计算机科学 2022-12-21 Eugene Yang , Suraj Nair , Dawn Lawrie , James Mayfield , Douglas W. Oard

The fundamental success of large language models hinges upon the efficacious implementation of large-scale distributed training techniques. Nevertheless, building a vast, high-performance cluster featuring high-speed communication…

计算与语言 · 计算机科学 2024-01-30 Weigao Sun , Zhen Qin , Weixuan Sun , Shidi Li , Dong Li , Xuyang Shen , Yu Qiao , Yiran Zhong

Generative Retrieval (GR), autoregressively decoding relevant document identifiers given a query, has been shown to perform well under the setting of small-scale corpora. By memorizing the document corpus with model parameters, GR…

信息检索 · 计算机科学 2024-01-22 Peiwen Yuan , Xinglin Wang , Shaoxiong Feng , Boyuan Pan , Yiwei Li , Heda Wang , Xupeng Miao , Kan Li

We introduce a novel run-time method for significantly reducing the accuracy loss associated with quantizing BERT-like models to 8-bit integers. Existing methods for quantizing models either modify the training procedure,or they require an…

计算与语言 · 计算机科学 2022-11-18 Yousef El-Kurdi , Jerry Quinn , Avirup Sil

Increasingly large imitation learning datasets are being collected with the goal of training foundation models for robotics. However, despite the fact that data selection has been of utmost importance in vision and natural language…

机器人学 · 计算机科学 2025-02-24 Joey Hejna , Chethan Bhateja , Yichen Jiang , Karl Pertsch , Dorsa Sadigh

DETR is a novel end-to-end transformer architecture object detector, which significantly outperforms classic detectors when scaling up. In this paper, we focus on the compression of DETR with knowledge distillation. While knowledge…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Yu Wang , Xin Li , Shengzhao Weng , Gang Zhang , Haixiao Yue , Haocheng Feng , Junyu Han , Errui Ding

Composed Image Retrieval (CIR) enables fine-grained visual search by combining a reference image with a textual modification. While supervised CIR methods achieve high accuracy, their reliance on costly triplet annotations motivates…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Xin Wang , Haipeng Zhang , Mang Li , Zhaohui Xia , Yueguo Chen , Yu Zhang , Chunyu Wei

Learning invariant representations via contrastive learning has seen state-of-the-art performance in domain generalization (DG). Despite such success, in this paper, we find that its core learning strategy -- feature alignment -- could…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Yibing Liu , Chris Xing Tian , Haoliang Li , Shiqi Wang

Distributionally Robust Reinforcement Learning (DR-RL) aims to derive a policy optimizing the worst-case performance within a predefined uncertainty set. Despite extensive research, previous DR-RL algorithms have predominantly favored…

机器学习 · 计算机科学 2024-06-26 Yudan Wang , Shaofeng Zou , Yue Wang

Zero-shot inference is a powerful paradigm that enables the use of large pretrained models for downstream classification tasks without further training. However, these models are vulnerable to inherited biases that can impact their…

机器学习 · 计算机科学 2024-02-13 Dyah Adila , Changho Shin , Linrong Cai , Frederic Sala

Popular transformer detectors have achieved promising performance through query-based learning using attention mechanisms. However, the roles of existing decoder query types (e.g., content query and positional query) are still…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Guiping Cao , Xiangyuan Lan , Wenjian Huang , Jianguo Zhang , Dongmei Jiang , Yaowei Wang

We propose a Dynamic Scale Training paradigm (abbreviated as DST) to mitigate scale variation challenge in object detection. Previous strategies like image pyramid, multi-scale training, and their variants are aiming at preparing…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Yukang Chen , Peizhen Zhang , Zeming Li , Yanwei Li , Xiangyu Zhang , Lu Qi , Jian Sun , Jiaya Jia

Diffusion models have shown great promise in text-guided image style transfer, but there is a trade-off between style transformation and content preservation due to their stochastic nature. Existing methods require computationally expensive…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Serin Yang , Hyunmin Hwang , Jong Chul Ye

We propose ADCLR: A ccurate and D ense Contrastive Representation Learning, a novel self-supervised learning framework for learning accurate and dense vision representation. To extract spatial-sensitive information, ADCLR introduces query…

计算机视觉与模式识别 · 计算机科学 2023-06-26 Shaofeng Zhang , Feng Zhu , Rui Zhao , Junchi Yan