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We present a method for performing hierarchical object detection in images guided by a deep reinforcement learning agent. The key idea is to focus on those parts of the image that contain richer information and zoom on them. We train an…

计算机视觉与模式识别 · 计算机科学 2016-11-28 Miriam Bellver , Xavier Giro-i-Nieto , Ferran Marques , Jordi Torres

Existing self-supervised methods in natural language processing (NLP), especially hierarchical text classification (HTC), mainly focus on self-supervised contrastive learning, extremely relying on human-designed augmentation rules to…

计算与语言 · 计算机科学 2024-03-27 He Zhu , Junran Wu , Ruomei Liu , Yue Hou , Ze Yuan , Shangzhe Li , Yicheng Pan , Ke Xu

Visual Place Recognition (VPR) enables coarse localization by comparing query images to a reference database of geo-tagged images. Recent breakthroughs in deep learning architectures and training regimes have led to methods with improved…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Connor Malone , Somayeh Hussaini , Tobias Fischer , Michael Milford

Prompt and accurate detection of system anomalies is essential to ensure the reliability of software systems. Unlike manual efforts that exploit all available run-time information, existing approaches usually leverage only a single type of…

软件工程 · 计算机科学 2023-02-16 Baitong Li , Tianyi Yang , Zhuangbin Chen , Yuxin Su , Yongqiang Yang , Michael R. Lyu

Feature extraction and matching are among central problems of computer vision. It is inefficent to search features over all locations and scales. Neurophysiological evidence shows that to locate objects in a digital image the human visual…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Liang Wu

Building successful recommender systems requires uncovering the underlying dimensions that describe the properties of items as well as users' preferences toward them. In domains like clothing recommendation, explaining users' preferences…

信息检索 · 计算机科学 2016-04-21 Ruining He , Chunbin Lin , Jianguo Wang , Julian McAuley

Hierarchical Text Classification (HTC) aims to categorize text data based on a structured label hierarchy, resulting in predicted labels forming a sub-hierarchy tree. The semantics of the text should align with the semantics of the labels…

计算与语言 · 计算机科学 2024-09-04 Ashish Kumar , Durga Toshniwal

Physics education researchers (PER) often analyze student data with single-level regression models (e.g., linear and logistic regression). However, education datasets can have hierarchical structures, such as students nested within courses,…

物理教育 · 物理学 2019-07-05 Ben Van Dusen , Jayson Nissen

Aiming at improving performance of visual classification in a cost-effective manner, this paper proposes an incremental semi-supervised learning paradigm called Deep Co-Space (DCS). Unlike many conventional semi-supervised learning methods…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Ziliang Chen , Keze Wang , Xiao Wang , Pai Peng , Ebroul Izquierdo , Liang Lin

This study introduces a novel hierarchical divisive clustering approach with stochastic splitting functions (SSFs) to enhance classification performance in multi-class datasets through hierarchical classification (HC). The method has the…

机器学习 · 计算机科学 2023-09-22 Celal Alagoz

Large-Scale Multi-Label Text Classification (LMTC) includes tasks with hierarchical label spaces, such as automatic assignment of ICD-9 codes to discharge summaries. Performance of models in prior art is evaluated with standard precision,…

计算与语言 · 计算机科学 2021-09-13 Matúš Falis , Hang Dong , Alexandra Birch , Beatrice Alex

Hierarchical forecasting is a key problem in many practical multivariate forecasting applications - the goal is to simultaneously predict a large number of correlated time series that are arranged in a pre-specified aggregation hierarchy.…

机器学习 · 计算机科学 2021-10-13 Biswajit Paria , Rajat Sen , Amr Ahmed , Abhimanyu Das

Deep learning-based methods have been extensively explored for automatic building mapping from high-resolution remote sensing images over recent years. While most building mapping models produce vector polygons of buildings for geographic…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Mingming Zhang , Qingjie Liu , Yunhong Wang

We present HARP, a novel method for learning low dimensional embeddings of a graph's nodes which preserves higher-order structural features. Our proposed method achieves this by compressing the input graph prior to embedding it, effectively…

社会与信息网络 · 计算机科学 2017-11-17 Haochen Chen , Bryan Perozzi , Yifan Hu , Steven Skiena

In multi-class classification tasks, like human activity recognition, it is often assumed that classes are separable. In real applications, this assumption becomes strong and generates inconsistencies. Besides, the most commonly used…

机器学习 · 计算机科学 2021-04-13 Aomar Osmani , Massinissa Hamidi , Pegah Alizadeh

Recent advances in implicit neural representations (INRs) have shown significant promise in modeling visual signals for various low-vision tasks including image super-resolution (ISR). INR-based ISR methods typically learn continuous…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Yuxuan Jiang , Ho Man Kwan , Tianhao Peng , Ge Gao , Fan Zhang , Xiaoqing Zhu , Joel Sole , David Bull

Continual learning is an essential capability of human cognition, yet it poses significant challenges for current deep learning models. The primary issue is that new knowledge can interfere with previously learned information, causing the…

机器学习 · 计算机科学 2025-09-19 Eric Nuertey Coleman , Luigi Quarantiello , Samrat Mukherjee , Julio Hurtado , Vincenzo Lomonaco

Hierarchical classification problems are commonly seen in practice. However, most existing methods do not fully utilize the hierarchical information among class labels. In this paper, a novel label embedding approach is proposed, which…

统计方法学 · 统计学 2020-07-23 Yiwei Fan , Xiaoling Lu , Yufeng Liu , Junlong Zhao

Embedding visual representations within original hierarchical tables can mitigate additional cognitive load stemming from the division of users' attention. The created hierarchical table visualizations can help users understand and explore…

人机交互 · 计算机科学 2024-05-28 Guozheng Li , Peng He , Xinyu Wang , Runfei Li , Chi Harold Liu , Chuangxin Ou , Dong He , Guoren Wang

Hierarchical text classification (HTC) is a challenging subtask of multi-label classification as the labels form a complex hierarchical structure. Existing dual-encoder methods in HTC achieve weak performance gains with huge memory…

计算与语言 · 计算机科学 2023-06-12 He Zhu , Chong Zhang , Junjie Huang , Junran Wu , Ke Xu