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Various text analysis techniques exist, which attempt to uncover unstructured information from text. In this work, we explore using statistical dependence measures for textual classification, representing text as word vectors. Student…

计算与语言 · 计算机科学 2018-08-01 Samuel Cunningham-Nelson , Mahsa Baktashmotlagh , Wageeh Boles

In this paper, a simple text categorization method using term-class relevance measures is proposed. Initially, text documents are processed to extract significant terms present in them. For every term extracted from a document, we compute…

信息检索 · 计算机科学 2016-10-18 D S Guru , Mahamad Suhil

As advanced image manipulation techniques emerge, detecting the manipulation becomes increasingly important. Despite the success of recent learning-based approaches for image manipulation detection, they typically require expensive…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Yuanhao Zhai , Tianyu Luan , David Doermann , Junsong Yuan

Classifying text is a method for categorizing documents into pre-established groups. Text documents must be prepared and represented in a way that is appropriate for the algorithms used for data mining prior to classification. As a result,…

计算与语言 · 计算机科学 2024-02-26 Esra'a Alhenawi , Ruba Abu Khurma , Pedro A. Castillo , Maribel G. Arenas

Weakly supervised semantic segmentation (WSSS) based on image-level labels is challenging since it is hard to obtain complete semantic regions. To address this issue, we propose a self-training method that utilizes fused multi-scale…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Guoqing Yang , Chuang Zhu , Yu Zhang

Programmatic Weak Supervision (PWS) enables supervised model training without direct access to ground truth labels, utilizing weak labels from heuristics, crowdsourcing, or pre-trained models. However, the absence of ground truth…

机器学习 · 统计学 2024-11-01 Felipe Maia Polo , Subha Maity , Mikhail Yurochkin , Moulinath Banerjee , Yuekai Sun

In many applications, training machine learning models involves using large amounts of human-annotated data. Obtaining precise labels for the data is expensive. Instead, training with weak supervision provides a low-cost alternative. We…

机器学习 · 计算机科学 2022-02-09 Chidubem Arachie , Bert Huang

Many classification models work poorly on short texts due to data sparsity. To address this issue, we propose topic memory networks for short text classification with a novel topic memory mechanism to encode latent topic representations…

计算与语言 · 计算机科学 2018-09-12 Jichuan Zeng , Jing Li , Yan Song , Cuiyun Gao , Michael R. Lyu , Irwin King

In recent years, there has been a growing interest in designing small-footprint yet effective Connectionist Temporal Classification based keyword spotting (CTC-KWS) systems. They are typically deployed on low-resource computing platforms,…

音频与语音处理 · 电气工程与系统科学 2024-12-25 Yu Xi , Haoyu Li , Hao Li , Jiaqi Guo , Xu Li , Wen Ding , Kai Yu

This paper proposes a Clustering, Labeling, then Augmenting framework that significantly enhances performance in Semi-Supervised Text Classification (SSTC) tasks, effectively addressing the challenge of vast datasets with limited labeled…

计算与语言 · 计算机科学 2024-12-30 Shan Zhong , Jiahao Zeng , Yongxin Yu , Bohong Lin

The performance of deep learning-based natural language processing systems is based on large amounts of labeled training data which, in the clinical domain, are not easily available or affordable. Weak supervision and in-context learning…

计算与语言 · 计算机科学 2025-04-02 Enshuo Hsu , Kirk Roberts

Dose-finding clinical trials in oncology aim to estimate the maximum tolerated dose (MTD), based on safety traditionally obtained from the clinician's perspective. While the collection of patient-reported outcomes (PROs) has been advocated…

应用统计 · 统计学 2023-04-03 Anaïs Andrillon , Lucie Biard , Shing M. Lee

Weakly-Supervised Semantic Segmentation (WSSS) methods with image-level labels generally train a classification network to generate the Class Activation Maps (CAMs) as the initial coarse segmentation labels. However, current WSSS methods…

计算机视觉与模式识别 · 计算机科学 2022-02-11 Lixiang Ru , Bo Du , Yibing Zhan , Chen Wu

Despite the effectiveness of sequence-to-sequence framework on the task of Short-Text Conversation (STC), the issue of under-exploitation of training data (i.e., the supervision signals from query text is \textit{ignored}) still remains…

计算与语言 · 计算机科学 2019-11-27 Xin Li , Piji Li , Wei Bi , Xiaojiang Liu , Wai Lam

For extremely weak-supervised text classification, pioneer research generates pseudo labels by mining texts similar to the class names from the raw corpus, which may end up with very limited or even no samples for the minority classes.…

计算与语言 · 计算机科学 2024-06-18 Letian Peng , Yi Gu , Chengyu Dong , Zihan Wang , Jingbo Shang

The costly process of obtaining semantic segmentation labels has driven research towards weakly supervised semantic segmentation (WSSS) methods, using only image-level, point, or box labels. The lack of dense scene representation requires…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Peri Akiva , Kristin Dana

In Digital Pathology (DP), labeled data is generally very scarce due to the requirement that medical experts provide annotations. We address this issue by learning transferable features from weakly labeled data, which are collected from…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Eu Wern Teh , Graham W. Taylor

Detecting curved text in the wild is very challenging. Recently, most state-of-the-art methods are segmentation based and require pixel-level annotations. We propose a novel scheme to train an accurate text detector using only a small…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Xugong Qin , Yu Zhou , Dongbao Yang , Weiping Wang

Recent studies show that in supervised fine-tuning (SFT) of large language models (LLMs), data quality matters more than quantity. While most data cleaning methods concentrate on filtering entire samples, the quality of individual tokens…

计算与语言 · 计算机科学 2026-03-12 Jinlong Pang , Na Di , Zhaowei Zhu , Jiaheng Wei , Hao Cheng , Chen Qian , Yang Liu

With surge in online platforms, there has been an upsurge in the user engagement on these platforms via comments and reactions. A large portion of such textual comments are abusive, rude and offensive to the audience. With machine learning…

计算与语言 · 计算机科学 2021-08-17 Ayush Kumar , Pratik Kumar