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Image prediction methods often struggle on tasks that require changing the positions of objects, such as video prediction, producing blurry images that average over the many positions that objects might occupy. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Daniel Geng , Max Hamilton , Andrew Owens

We present Adjacent Possible Exploration (APE), a selective fine-tuning method for adapting large language models that systematically explores parameter modifications while maintaining model stability. Inspired by evolutionary optimization…

计算与语言 · 计算机科学 2025-06-10 Javier Marín

How to improve discriminative feature learning is central in classification. Existing works address this problem by explicitly increasing inter-class separability and intra-class similarity, whether by constructing positive and negative…

机器学习 · 计算机科学 2024-08-21 Qingsong Zhao , Yi Wang , Shuguang Dou , Chen Gong , Yin Wang , Cairong Zhao

This paper provides a theoretical analysis of a new learning problem for recommender systems where users provide feedback by comparing pairs of items instead of rating them individually. We assume that comparisons stem from latent user and…

机器学习 · 计算机科学 2025-08-20 Suryanarayana Sankagiri , Jalal Etesami , Matthias Grossglauser

Handling contaminated data poses a critical challenge in anomaly detection, as traditional models assume training on purely normal data. Conventional methods mitigate contamination by relying on fixed contamination ratios, but discrepancies…

机器学习 · 计算机科学 2025-11-27 Jungi Lee , Jungkwon Kim , Chi Zhang , Kwangsun Yoo , Seok-Joo Byun

Data augmentation is a critical component of training deep learning models. Although data augmentation has been shown to significantly improve image classification, its potential has not been thoroughly investigated for object detection.…

计算机视觉与模式识别 · 计算机科学 2019-06-27 Barret Zoph , Ekin D. Cubuk , Golnaz Ghiasi , Tsung-Yi Lin , Jonathon Shlens , Quoc V. Le

Pairwise learning strategies are prevalent for optimizing recommendation models on implicit feedback data, which usually learns user preference by discriminating between positive (i.e., clicked by a user) and negative items (i.e., obtained…

信息检索 · 计算机科学 2023-02-17 Xiao Chen , Wenqi Fan , Jingfan Chen , Haochen Liu , Zitao Liu , Zhaoxiang Zhang , Qing Li

Most existing text-to-image person retrieval methods usually assume that the training image-text pairs are perfectly aligned; however, the noisy correspondence(NC) issue (i.e., incorrect or unreliable alignment) exists due to poor image…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Runqing Zhang , Xue Zhou

In this work, we study wavelet projection estimators for density estimation, focusing on their construction from $\mathcal{S}$-regular, compactly supported wavelet bases. A key aspect of such estimators is the choice of the resolution…

统计理论 · 数学 2025-09-10 Van Ha Hoang , Tien Dat Nguyen , Thi Mong Ngoc Nguyen

(Partial) ranking loss is a commonly used evaluation measure for multi-label classification, which is usually optimized with convex surrogates for computational efficiency. Prior theoretical work on multi-label ranking mainly focuses on…

机器学习 · 计算机科学 2021-05-12 Guoqiang Wu , Chongxuan Li , Kun Xu , Jun Zhu

Recently, commonsense learning has been a hot topic in image-text matching. Although it can describe more graphic correlations, commonsense learning still has some shortcomings: 1) The existing methods are based on triplet semantic…

计算机视觉与模式识别 · 计算机科学 2023-11-10 Yongfeng Chena , Jin Liua , Zhijing Yang , Ruihan Chena , Junpeng Tan

Generic object detection has been immensely promoted by the development of deep convolutional neural networks in the past decade. However, in the domain shift circumstance, the changes in weather, illumination, etc., often cause domain gap,…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Hang Yang , Shan Jiang , Xinge Zhu , Mingyang Huang , Zhiqiang Shen , Chunxiao Liu , Jianping Shi

Dense retrievers have achieved impressive performance, but their demand for abundant training data limits their application scenarios. Contrastive pre-training, which constructs pseudo-positive examples from unlabeled data, has shown great…

信息检索 · 计算机科学 2023-06-07 Yibin Lei , Liang Ding , Yu Cao , Changtong Zan , Andrew Yates , Dacheng Tao

Modern detection transformers (DETRs) use a set of object queries to predict a list of bounding boxes, sort them by their classification confidence scores, and select the top-ranked predictions as the final detection results for the given…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Yifan Pu , Weicong Liang , Yiduo Hao , Yuhui Yuan , Yukang Yang , Chao Zhang , Han Hu , Gao Huang

Recent advancements in learning algorithms have demonstrated that the sharpness of the loss surface is an effective measure for improving the generalization gap. Building upon this concept, Sharpness-Aware Minimization (SAM) was proposed to…

机器学习 · 计算机科学 2024-06-21 Tanapat Ratchatorn , Masayuki Tanaka

Person search is an integrated task of multiple sub-tasks such as foreground/background classification, bounding box regression and person re-identification. Therefore, person search is a typical multi-task learning problem, especially when…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Yanling Tian , Di Chen , Yunan Liu , Shanshan Zhang , Jian Yang

This paper presents a general scheme for enhancing the convergence and performance of DETR (DEtection TRansformer). We investigate the slow convergence problem in transformers from a new perspective, suggesting that it arises from the…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Xiuquan Hou , Meiqin Liu , Senlin Zhang , Ping Wei , Badong Chen , Xuguang Lan

How to robustly rank the aesthetic quality of given images has been a long-standing ill-posed topic. Such challenge stems mainly from the diverse subjective opinions of different observers about the varied types of content. There is a…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Suiyi Ling , Andreas Pastor , Junle Wang , Patrick Le Callet

Compressive sensing (CS) can effectively recover a signal when it is sparse in some discrete atoms. However, in some applications, signals are sparse in a continuous parameter space, e.g., frequency space, rather than discrete atoms.…

信号处理 · 电气工程与系统科学 2018-08-30 Tianyao Huang , Yimin Liu , Huadong Meng , Xiqin Wang

Despite being widely used as a performance measure for visual detection tasks, Average Precision (AP) is limited in (i) reflecting localisation quality, (ii) interpretability and (iii) robustness to the design choices regarding its…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Kemal Oksuz , Baris Can Cam , Sinan Kalkan , Emre Akbas