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This work uses visual knowledge discovery in parallel coordinates to advance methods of interpretable machine learning. The graphic data representation in parallel coordinates made the concepts of hypercubes and hyperblocks (HBs) simple to…

Machine Learning · Computer Science 2023-11-28 Dustin Hayes , Boris Kovalerchuk

Knowledge distillation is commonly employed to compress neural networks, reducing the inference costs and memory footprint. In the scenario of homogenous architecture, feature-based methods have been widely validated for their…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Hongjun Wu , Li Xiao , Xingkuo Zhang , Yining Miao

Contrastive Learning (CL) performances as a rising approach to address the challenge of sparse and noisy recommendation data. Although having achieved promising results, most existing CL methods only perform either hand-crafted data or…

Information Retrieval · Computer Science 2023-11-22 Xiuyuan Qin , Huanhuan Yuan , Pengpeng Zhao , Junhua Fang , Fuzhen Zhuang , Guanfeng Liu , Victor Sheng

Current convolution neural network (CNN) classification methods are predominantly focused on flat classification which aims solely to identify a specified object within an image. However, real-world objects often possess a natural…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Veska Tsenkova , Peter Stanchev , Daniel Petrov , Deyan Lazarov

Graph clustering is essential in graph analysis for revealing structural patterns and node communities. Despite recent advances in self-supervised contrastive learning that have improved clustering via structural and attribute signals,…

Machine Learning · Computer Science 2026-05-28 Lei Zhang , Fubo Sun , Haipeng Yang , Zhong Guan , Likang Wu

Current contrastive learning frameworks focus on leveraging a single supervisory signal to learn representations, which limits the efficacy on unseen data and downstream tasks. In this paper, we present a hierarchical multi-label…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Shu Zhang , Ran Xu , Caiming Xiong , Chetan Ramaiah

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…

Machine Learning · Computer Science 2022-10-14 Fu Lele , Zhang Lei , Yang Jinghua , Chen Chuan , Zhang Chuanfu , Zheng Zibin

Heterogeneous graph neural networks (HGNNs) have demonstrated their superiority in exploiting auxiliary information for recommendation tasks. However, graphs constructed using meta-paths in HGNNs are usually too dense and contain a large…

Information Retrieval · Computer Science 2025-06-02 Lei Sang , Yu Wang , Yiwen Zhang

Feature selection is an important process in machine learning and knowledge discovery. By selecting the most informative features and eliminating irrelevant ones, the performance of learning algorithms can be improved and the extraction of…

Machine Learning · Computer Science 2024-01-17 Chunxu Cao , Qiang Zhang

Given a collection of images, humans are able to discover landmarks by modeling the shared geometric structure across instances. This idea of geometric equivariance has been widely used for the unsupervised discovery of object landmark…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Zezhou Cheng , Jong-Chyi Su , Subhransu Maji

Document classification is a challenging task with important applications. The deep learning approaches to the problem have gained much attention recently. Despite the progress, the proposed models do not incorporate the knowledge of the…

Computation and Language · Computer Science 2019-10-15 Jader Abreu , Luis Fred , David Macêdo , Cleber Zanchettin

We introduce the hierarchical compositional network (HCN), a directed generative model able to discover and disentangle, without supervision, the building blocks of a set of binary images. The building blocks are binary features defined…

Machine Learning · Computer Science 2017-10-27 Miguel Lázaro-Gredilla , Yi Liu , D. Scott Phoenix , Dileep George

We propose a framework for sequence-to-sequence contrastive learning (SeqCLR) of visual representations, which we apply to text recognition. To account for the sequence-to-sequence structure, each feature map is divided into different…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Aviad Aberdam , Ron Litman , Shahar Tsiper , Oron Anschel , Ron Slossberg , Shai Mazor , R. Manmatha , Pietro Perona

We present a novel hierarchical triplet loss (HTL) capable of automatically collecting informative training samples (triplets) via a defined hierarchical tree that encodes global context information. This allows us to cope with the main…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 Weifeng Ge , Weilin Huang , Dengke Dong , Matthew R. Scott

Contrastive learning has achieved promising performance in the field of multi-view clustering recently. However, the positive and negative sample construction mechanisms ignoring semantic consistency lead to false negative pairs, limiting…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Siwen Liu , Jinyan Liu , Hanning Yuan , Qi Li , Jing Geng , Ziqiang Yuan , Huaxu Han

The popularity of self-supervised learning has made it possible to train models without relying on labeled data, which saves expensive annotation costs. However, most existing self-supervised contrastive learning methods often overlook the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Weiquan Li , Xianzhong Long , Yun Li

Extracting image semantics effectively and assigning corresponding labels to multiple objects or attributes for natural images is challenging due to the complex scene contents and confusing label dependencies. Recent works have focused on…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Leilei Ma , Dengdi Sun , Lei Wang , Haifeng Zhao , Bin Luo

Few-shot learning in medical image classification presents a significant challenge due to the limited availability of annotated data and the complex nature of medical imagery. In this work, we propose Adaptive Vision-Language Fine-tuning…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Harrison Fuller , Fernando Gabriela Garcia , Victor Flores

Graph Contrastive Learning (GCL) seeks to learn nodal or graph representations that contain maximal consistent information from graph-structured data. While node-level contrasting modes are dominating, some efforts commence to explore…

Machine Learning · Computer Science 2024-09-13 Zhenhao Zhao , Minhong Zhu , Chen Wang , Sijia Wang , Jiqiang Zhang , Li Chen , Weiran Cai

Anomaly detection (AD), aiming to find samples that deviate from the training distribution, is essential in safety-critical applications. Though recent self-supervised learning based attempts achieve promising results by creating virtual…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Guodong Wang , Yunhong Wang , Jie Qin , Dongming Zhang , Xiuguo Bao , Di Huang