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The wealth of data being gathered about humans and their surroundings drives new machine learning applications in various fields. Consequently, more and more often, classifiers are trained using not only numerical data but also complex data…

机器学习 · 计算机科学 2022-04-13 Maciej Piernik , Dariusz Brzezinski , Pawel Zawadzki

Languages have long been described according to their perceived rhythmic attributes. The associated typologies are of interest in psycholinguistics as they partly predict newborns' abilities to discriminate between languages and provide…

音频与语音处理 · 电气工程与系统科学 2024-01-29 François Deloche , Laurent Bonnasse-Gahot , Judit Gervain

In this paper, we propose Ranksum, an approach for extractive text summarization of single documents based on the rank fusion of four multi-dimensional sentence features extracted for each sentence: topic information, semantic content,…

机器学习 · 计算机科学 2024-02-12 A. Joshi , E. Fidalgo , E. Alegre , R. Alaiz-Rodriguez

Studies show that refining real-world categories into semantic subcategories contributes to better image modeling and classification. Previous image sub-categorization work relying on labeled images and WordNet's hierarchy is not only…

多媒体 · 计算机科学 2017-03-17 Yazhou Yao , Jian Zhang , Fumin Shen , Xiansheng Hua , Wankou Yang , Zhenmin Tang

A novel hybrid Random Forest and Convolutional Neural Network (CNN) framework is presented for oil-water classification in hyperspectral images (HSI). To address the challenge of preserving spatial context, the images were divided into…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Mehdi Nickzamir , Seyed Mohammad Sheikh Ahamdi Gandab

There is extensive interest in metric learning methods for image retrieval. Many metric learning loss functions focus on learning a correct ranking of training samples, but strongly overfit semantically inconsistent labels and require a…

机器学习 · 计算机科学 2023-06-05 Christopher Liao , Theodoros Tsiligkaridis , Brian Kulis

Hash codes are a very efficient data representation needed to be able to cope with the ever growing amounts of data. We introduce a random forest semantic hashing scheme with information-theoretic code aggregation, showing for the first…

计算机视觉与模式识别 · 计算机科学 2015-04-20 Qiang Qiu , Guillermo Sapiro , Alex Bronstein

Random Forest remains one of Data Mining's most enduring ensemble algorithms, achieving well-documented levels of accuracy and processing speed, as well as regularly appearing in new research. However, with data mining now reaching the…

机器学习 · 计算机科学 2020-04-07 Darren Yates , Md Zahidul Islam

We propose an algorithm named best-scored random forest for binary classification problems. The terminology "best-scored" means to select the one with the best empirical performance out of a certain number of purely random tree candidates…

机器学习 · 统计学 2019-05-28 Hanyuan Hang , Xiaoyu Liu , Ingo Steinwart

Homonym identification is important for WSD that require coarse-grained partitions of senses. The goal of this project is to determine whether contextual information is sufficient for identifying a homonymous word. To capture the context,…

计算与语言 · 计算机科学 2021-01-08 Rohan Saha

Hypernymy, textual entailment, and image captioning can be seen as special cases of a single visual-semantic hierarchy over words, sentences, and images. In this paper we advocate for explicitly modeling the partial order structure of this…

机器学习 · 计算机科学 2016-03-02 Ivan Vendrov , Ryan Kiros , Sanja Fidler , Raquel Urtasun

Text-guided image retrieval is to incorporate conditional text to better capture users' intent. Traditionally, the existing methods focus on minimizing the embedding distances between the source inputs and the targeted image, using the…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Junyang Chen , Hanjiang Lai

Tokenization and sub-tokenization based models like word2vec, BERT and the GPTs are the state-of-the-art in natural language processing. Typically, these approaches have limitations with respect to their input representation. They fail to…

计算与语言 · 计算机科学 2026-02-26 Felix Schneider , Maria Gogolev , Sven Sickert , Joachim Denzler

We propose a semi-supervised text classifier based on self-training using one positive and one negative property of neural networks. One of the weaknesses of self-training is the semantic drift problem, where noisy pseudo-labels accumulate…

计算与语言 · 计算机科学 2024-01-02 Payam Karisani

Randomized artificial neural networks such as extreme learning machines provide an attractive and efficient method for supervised learning under limited computing ressources and green machine learning. This especially applies when equipping…

机器学习 · 统计学 2022-01-02 Ansgar Steland , Bart E. Pieters

As the issue of robustness in AI systems becomes vital, statistical learning techniques that are reliable even in presence of partly contaminated data have to be developed. Preference data, in the form of (complete) rankings in the simplest…

机器学习 · 计算机科学 2023-03-24 Morgane Goibert , Clément Calauzènes , Ekhine Irurozki , Stéphan Clémençon

While reinforcement learning with verifiable rewards (RLVR) is effective to improve the reasoning ability of large language models (LLMs), its reliance on human-annotated labels leads to the scaling up dilemma, especially for complex tasks.…

机器学习 · 计算机科学 2026-03-17 Zizhuo Zhang , Jianing Zhu , Xinmu Ge , Zihua Zhao , Zhanke Zhou , Xuan Li , Xiao Feng , Jiangchao Yao , Bo Han

As a flexible nonparametric learning tool, the random forests algorithm has been widely applied to various real applications with appealing empirical performance, even in the presence of high-dimensional feature space. Unveiling the…

统计理论 · 数学 2022-09-27 Chien-Ming Chi , Patrick Vossler , Yingying Fan , Jinchi Lv

Large-scale contrastive vision-language pre-trained models provide the zero-shot model achieving competitive performance across a range of image classification tasks without requiring training on downstream data. Recent works have confirmed…

机器学习 · 计算机科学 2024-04-02 Giung Nam , Byeongho Heo , Juho Lee

We describe a new incomplete but terminating method for real root finding for large multivariate polynomials. We take an abstract view of the polynomial as the set of exponent vectors associated with sign information on the coefficients.…

符号计算 · 计算机科学 2018-04-30 Thomas Sturm