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Accuracy predictor is trained to predict the validation accuracy of an network from its architecture encoding. It can effectively assist in designing networks and improving Neural Architecture Search(NAS) efficiency. However, a…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Ruyi Zhang , Ziwei Yang , Zhi Yang , Xubo Yang , Lei Wang , Zheyang Li

Explicit concept space models have proven efficacy for text representation in many natural language and text mining applications. The idea is to embed textual structures into a semantic space of concepts which captures the main ideas,…

计算与语言 · 计算机科学 2018-12-21 Walid Shalaby , Wlodek Zadrozny

Despite the great success of state-of-the-art deep neural networks, several studies have reported models to be over-confident in predictions, indicating miscalibration. Label Smoothing has been proposed as a solution to the over-confidence…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Shuang Ao , Stefan Rueger , Advaith Siddharthan

Pretrained encoders for mathematical texts have achieved significant improvements on various tasks such as formula classification and information retrieval. Yet they remain limited in representing and capturing student strategies for entire…

计算机与社会 · 计算机科学 2026-04-13 Siddhartha Pradhan , Ethan Prihar , Erin Ottmar

Score matching is a popular method for estimating unnormalized statistical models. However, it has been so far limited to simple, shallow models or low-dimensional data, due to the difficulty of computing the Hessian of log-density…

机器学习 · 计算机科学 2019-06-28 Yang Song , Sahaj Garg , Jiaxin Shi , Stefano Ermon

Pseudo-labeling has proven to be a promising semi-supervised learning (SSL) paradigm. Existing pseudo-labeling methods commonly assume that the class distributions of training data are balanced. However, such an assumption is far from…

机器学习 · 计算机科学 2023-03-03 Renzhen Wang , Xixi Jia , Quanziang Wang , Yichen Wu , Deyu Meng

Modern machine learning has achieved remarkable success on many problems, but this success often depends on the existence of large, labeled datasets. While active learning can dramatically reduce labeling cost when annotations are…

Learning from imbalanced data is among the most challenging areas in contemporary machine learning. This becomes even more difficult when considered the context of big data that calls for dedicated architectures capable of high-performance…

机器学习 · 计算机科学 2022-11-16 William C. Sleeman , Bartosz Krawczyk

Feature bagging is a well-established ensembling method which aims to reduce prediction variance by combining predictions of many estimators trained on subsets or projections of features. Here, we develop a theory of feature-bagging in…

机器学习 · 统计学 2024-01-11 Benjamin S. Ruben , Cengiz Pehlevan

Computer vision (CV) datasets often exhibit biases that are perpetuated by deep learning models. While recent efforts aim to mitigate these biases and foster fair representations, they fail in complex real-world scenarios. In particular,…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Ioannis Sarridis , Christos Koutlis , Symeon Papadopoulos , Christos Diou

In biomedical imaging, deep learning-based methods are state-of-the-art for every modality (virtual slides, MRI, etc.) In histopathology, these methods can be used to detect certain biomarkers or classify lesions. However, such techniques…

Classifiers are often utilized in time-constrained settings where labels must be assigned to inputs quickly. To address these scenarios, budgeted multi-stage classifiers (MSC) process inputs through a sequence of partial feature acquisition…

神经与进化计算 · 计算机科学 2021-12-06 Nolan H. Hamilton , Errin W. Fulp

With the huge success of deep learning, other machine learning paradigms have had to take back seat. Yet other models, particularly rule-based, are more readable and explainable and can even be competitive when labelled data is not…

机器学习 · 计算机科学 2020-07-07 Nitakshi Sood , Osmar Zaiane

We propose the Autoencoding Binary Classifiers (ABC), a novel supervised anomaly detector based on the Autoencoder (AE). There are two main approaches in anomaly detection: supervised and unsupervised. The supervised approach accurately…

机器学习 · 统计学 2019-03-27 Yuki Yamanaka , Tomoharu Iwata , Hiroshi Takahashi , Masanori Yamada , Sekitoshi Kanai

Despite the success of deep neural network (DNN) on sequential data (i.e., scene text and speech) recognition, it suffers from the over-confidence problem mainly due to overfitting in training with the cross-entropy loss, which may make the…

人工智能 · 计算机科学 2023-03-14 Shuangping Huang , Yu Luo , Zhenzhou Zhuang , Jin-Gang Yu , Mengchao He , Yongpan Wang

Autoencoders are powerful machine learning models used to compress information from multiple data sources. However, autoencoders, like all artificial neural networks, are often unidentifiable and uninterpretable. This research focuses on…

Imbalanced data classification problem has always been a popular topic in the field of machine learning research. In order to balance the samples between majority and minority class. Oversampling algorithm is used to synthesize new minority…

机器学习 · 计算机科学 2019-09-02 Junyi Zou , Jinliang Zhang , Ping Jiang

Most multi-view clustering methods are limited by shallow models without sound nonlinear information perception capability, or fail to effectively exploit complementary information hidden in different views. To tackle these issues, we…

机器学习 · 计算机科学 2022-10-14 Fu Lele , Zhang Lei , Yang Jinghua , Chen Chuan , Zhang Chuanfu , Zheng Zibin

In data containing heterogeneous subpopulations, classification performance benefits from incorporating the knowledge of cluster structure in the classifier. Previous methods for such combined clustering and classification either 1) are…

机器学习 · 计算机科学 2023-01-04 Shivin Srivastava , Siddharth Bhatia , Lingxiao Huang , Lim Jun Heng , Kenji Kawaguchi , Vaibhav Rajan

Modern convolutional neural networks (CNNs)-based face detectors have achieved tremendous strides due to large annotated datasets. However, misaligned results with high detection confidence but low localization accuracy restrict the further…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Shi Luo , Xiongfei Li , Xiaoli Zhang