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Medical image segmentation has been widely recognized as a pivot procedure for clinical diagnosis, analysis, and treatment planning. However, the laborious and expensive annotation process lags down the speed of further advances.…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Zhuowei Li , Zihao Liu , Zhiqiang Hu , Qing Xia , Ruiqin Xiong , Shaoting Zhang , Dimitris Metaxas , Tingting Jiang

Because of high dimensionality, correlation among covariates, and noise contained in data, dimension reduction (DR) techniques are often employed to the application of machine learning algorithms. Principal Component Analysis (PCA), Linear…

机器学习 · 统计学 2019-10-08 Katherine C. Kempfert , Yishi Wang , Cuixian Chen , Samuel W. K. Wong

Canonical Correlation Analysis (CCA) is a statistical technique used to extract common information from multiple data sources or views. It has been used in various representation learning problems, such as dimensionality reduction, word…

机器学习 · 计算机科学 2020-06-18 Benjamin Dutton

Current sequential recommender systems are proposed to tackle the dynamic user preference learning with various neural techniques, such as Transformer and Graph Neural Networks (GNNs). However, inference from the highly sparse user behavior…

信息检索 · 计算机科学 2023-03-22 Yuhao Yang , Chao Huang , Lianghao Xia , Chunzhen Huang , Da Luo , Kangyi Lin

Sparse principal component analysis (sparse PCA) is a widely used technique for dimensionality reduction in multivariate analysis, addressing two key limitations of standard PCA. First, sparse PCA can be implemented in high-dimensional low…

统计方法学 · 统计学 2025-10-07 Jan O. Bauer

Perceptrons are neuronal devices capable of fully discriminating linearly separable classes. Although straightforward to implement and train, their applicability is usually hindered by non-trivial requirements imposed by real-world…

神经与进化计算 · 计算机科学 2016-03-23 André L. V. Coelho , Fabrício O. de França

We consider the problem of decomposing a large covariance matrix into the sum of a low-rank matrix and a diagonally dominant matrix, and we call this problem the "Diagonally-Dominant Principal Component Analysis (DD-PCA)". DD-PCA is an…

统计方法学 · 统计学 2019-06-04 Zheng Tracy Ke , Lingzhou Xue , Fan Yang

Contradiction retrieval refers to identifying and extracting documents that explicitly disagree with or refute the content of a query, which is important to many downstream applications like fact checking and data cleaning. To retrieve…

计算与语言 · 计算机科学 2024-06-18 Haike Xu , Zongyu Lin , Yizhou Sun , Kai-Wei Chang , Piotr Indyk

Artificial intelligence aids in brain tumor detection via MRI scans, enhancing the accuracy and reducing the workload of medical professionals. However, in scenarios with extremely limited medical images, traditional deep learning…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Sin Chee Chin , Xuan Zhang , Lee Yeong Khang , Wenming Yang

Multimodal models, such as the Contrastive Language-Image Pre-training (CLIP) model, have demonstrated remarkable success in aligning visual and linguistic representations. However, these models exhibit limitations when applied to…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Hiroshi Sasaki

Anomaly detection holds considerable industrial significance, especially in scenarios with limited anomalous data. Currently, reconstruction-based and unsupervised representation-based approaches are the primary focus. However, unsupervised…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Xiao Jin , Liang Diao , Qixin Xiao , Yifan Hu , Ziqi Zhang , Yuchen Liu , Haisong Gu

AI-enabled precision medicine promises a transformational improvement in healthcare outcomes by enabling data-driven personalized diagnosis, prognosis, and treatment. However, the well-known "curse of dimensionality" and the clustered…

机器学习 · 计算机科学 2023-05-19 Amanda M. Buch , Conor Liston , Logan Grosenick

The high efficiency in computation and storage makes hashing (including binary hashing and quantization) a common strategy in large-scale retrieval systems. To alleviate the reliance on expensive annotations, unsupervised deep hashing…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Jinpeng Wang , Ziyun Zeng , Bin Chen , Tao Dai , Shu-Tao Xia

The accurate diagnosis of pathological subtypes of lung cancer is of paramount importance for follow-up treatments and prognosis managements. Assessment methods utilizing deep learning technologies have introduced novel approaches for…

图像与视频处理 · 电气工程与系统科学 2024-07-19 Yuan Jin , Gege Ma , Geng Chen , Tianling Lyu , Jan Egger , Junhui Lyu , Shaoting Zhang , Wentao Zhu

Currently, the divergence in distributions of design and operational data, and large computational complexity are limiting factors in the adoption of CNNs in real-world applications. For instance, person re-identification systems typically…

机器学习 · 计算机科学 2020-05-19 Le Thanh Nguyen-Meidine , Eric Granger , Madhu Kiran , Jose Dolz , Louis-Antoine Blais-Morin

Recently, dense contrastive learning has shown superior performance on dense prediction tasks compared to instance-level contrastive learning. Despite its supremacy, the properties of dense contrastive representations have not yet been…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Jong Hak Moon , Wonjae Kim , Edward Choi

Accurate image reconstruction is crucial for photoacoustic (PA) computed tomography (PACT). Recently, deep learning has been used to reconstruct the PA image with a supervised scheme, which requires high-quality images as ground truth…

图像与视频处理 · 电气工程与系统科学 2023-09-22 Hengrong Lan , Lijie Huang , Zhiqiang Li , Jing Lv , Jianwen Luo

Knowledge distillation is a mainstream algorithm in model compression by transferring knowledge from the larger model (teacher) to the smaller model (student) to improve the performance of student. Despite many efforts, existing methods…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Muhe Ding , Jianlong Wu , Xue Dong , Xiaojie Li , Pengda Qin , Tian Gan , Liqiang Nie

Learning medical visual representations directly from paired images and reports through multimodal self-supervised learning has emerged as a novel and efficient approach to digital diagnosis in recent years. However, existing models suffer…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Libin Lan , Hongxing Li , Zunhui Xia , Juan Zhou , Xiaofei Zhu , Yongmei Li , Yudong Zhang , Xin Luo

The adoption of contrast agents in medical imaging protocols is crucial for accurate and timely diagnosis. While highly effective and characterized by an excellent safety profile, the use of contrast agents has its limitation, including…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Davide Bianchi , Sonia Colombo Serra , Davide Evangelista , Pengpeng Luo , Elena Morotti , Giovanni Valbusa