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A learned generative model often produces biased statistics relative to the underlying data distribution. A standard technique to correct this bias is importance sampling, where samples from the model are weighted by the likelihood ratio…

The goal of Feature Selection - comprising filter, wrapper, and embedded approaches - is to find the optimal feature subset for designated downstream tasks. Nevertheless, current feature selection methods are limited by: 1) the selection…

机器学习 · 计算机科学 2023-09-18 Meng Xiao , Dongjie Wang , Min Wu , Pengfei Wang , Yuanchun Zhou , Yanjie Fu

Deep Metric Learning trains a neural network to map input images to a lower-dimensional embedding space such that similar images are closer together than dissimilar images. When used for item retrieval, a query image is embedded using the…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Konstantin Kobs , Andreas Hotho

Most state-of-the-art object detection systems follow an anchor-based diagram. Anchor boxes are densely proposed over the images and the network is trained to predict the boxes position offset as well as the classification confidence.…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Wenshuo Ma , Tingzhong Tian , Hang Xu , Yimin Huang , Zhenguo Li

A significant hurdle for analyzing large sample data is the lack of effective statistical computing and inference methods. An emerging powerful approach for analyzing large sample data is subsampling, by which one takes a random subsample…

统计方法学 · 统计学 2015-11-24 Rong Zhu , Ping Ma , Michael W. Mahoney , Bin Yu

Deep neural networks have exhibited remarkable performance in various domains. However, the reliance of these models on spurious features has raised concerns about their reliability. A promising solution to this problem is last-layer…

Deep learning frameworks serve as the foundation for developing and deploying deep learning applications. To enhance the quality of deep learning frameworks, researchers have proposed numerous testing methods using deep learning models as…

软件工程 · 计算机科学 2025-10-22 Yinglong Zou , Juan Zhai , Chunrong Fang , Yanzhou Mu , Jiawei Liu , Zhenyu Chen

By utilizing only depth information, the paper introduces a novel but efficient local planning approach that enhances not only computational efficiency but also planning performances for memoryless local planners. The sampling is first…

机器人学 · 计算机科学 2023-10-24 Thai Binh Nguyen , Linh Nguyen , Tanveer Choudhury , Kathleen Keogh , Manzur Murshed

This paper reviews the gradient sampling methodology for solving nonsmooth, nonconvex optimization problems. An intuitively straightforward gradient sampling algorithm is stated and its convergence properties are summarized. Throughout this…

最优化与控制 · 数学 2018-05-01 James V. Burke , Frank E. Curtis , Adrian S. Lewis , Michael L. Overton , Lucas E. A. Simões

Given data with label noise (i.e., incorrect data), deep neural networks would gradually memorize the label noise and impair model performance. To relieve this issue, curriculum learning is proposed to improve model performance and…

机器学习 · 计算机科学 2022-08-23 Tingting Wu , Xiao Ding , Hao Zhang , Jinglong Gao , Li Du , Bing Qin , Ting Liu

Homography estimation is an important step in many computer vision problems. Recently, deep neural network methods have shown to be favorable for this problem when compared to traditional methods. However, these new methods do not consider…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Hoang Le , Feng Liu , Shu Zhang , Aseem Agarwala

Inter-image association modeling is crucial for co-salient object detection. Despite satisfactory performance, previous methods still have limitations on sufficient inter-image association modeling. Because most of them focus on image…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Long Li , Nian Liu , Dingwen Zhang , Zhongyu Li , Salman Khan , Rao Anwer , Hisham Cholakkal , Junwei Han , Fahad Shahbaz Khan

Image classification problems are typically addressed by first collecting examples with candidate labels, second cleaning the candidate labels manually, and third training a deep neural network on the clean examples. The manual labeling…

机器学习 · 计算机科学 2020-02-27 Fatih Furkan Yilmaz , Reinhard Heckel

Object detection requires substantial labeling effort for learning robust models. Active learning can reduce this effort by intelligently selecting relevant examples to be annotated. However, selecting these examples properly without…

机器学习 · 计算机科学 2022-12-09 Dominik Probst , Hasnain Raza , Erik Rodner

The field of object detection has made significant advances riding on the wave of region-based ConvNets, but their training procedure still includes many heuristics and hyperparameters that are costly to tune. We present a simple yet…

计算机视觉与模式识别 · 计算机科学 2016-04-13 Abhinav Shrivastava , Abhinav Gupta , Ross Girshick

Humans can robustly localize visual evidence and provide grounded answers even in noisy environments by identifying critical cues and then relating them to the full context in a bottom-up manner. Inspired by this, we propose DeepScan, a…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Yangfu Li , Hongjian Zhan , Jiawei Chen , Yuning Gong , Qi Liu , Yue Lu

We address the problem of learning an unknown smooth function and its derivatives from noisy pointwise evaluations under the supremum norm. While classical nonparametric regression provides a strong theoretical foundation, traditional…

机器学习 · 计算机科学 2026-03-10 Davide Maran , Marcello Restelli

Efficient and reliable methods for training of object detectors are in higher demand than ever, and more and more data relevant to the field is becoming available. However, large datasets like Open Images Dataset v4 (OID) are sparsely…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Yusuke Niitani , Takuya Akiba , Tommi Kerola , Toru Ogawa , Shotaro Sano , Shuji Suzuki

As one popular modeling approach for end-to-end speech recognition, attention-based encoder-decoder models are known to suffer the length bias and corresponding beam problem. Different approaches have been applied in simple beam search to…

音频与语音处理 · 电气工程与系统科学 2023-10-24 Wei Zhou , Ralf Schlüter , Hermann Ney

Subsampling methods aim to select a subsample as a surrogate for the observed sample. Such methods have been used pervasively in large-scale data analytics, active learning, and privacy-preserving analysis in recent decades. Instead of…

机器学习 · 统计学 2022-06-03 Jingyi Zhang , Cheng Meng , Jun Yu , Mengrui Zhang , Wenxuan Zhong , Ping Ma