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The stock market is a crucial component of the financial system, but predicting the movement of stock prices is challenging due to the dynamic and intricate relations arising from various aspects such as economic indicators, financial…

统计金融 · 定量金融 2024-02-13 Hao Qian , Hongting Zhou , Qian Zhao , Hao Chen , Hongxiang Yao , Jingwei Wang , Ziqi Liu , Fei Yu , Zhiqiang Zhang , Jun Zhou

We propose a parsimonious quantile regression framework to learn the dynamic tail behaviors of financial asset returns. Our model captures well both the time-varying characteristic and the asymmetrical heavy-tail property of financial time…

风险管理 · 定量金融 2020-10-19 Xing Yan , Weizhong Zhang , Lin Ma , Wei Liu , Qi Wu

This article introduces a novel hybrid regime identification-forecasting framework designed to enhance multi-asset portfolio construction by integrating asset-specific regime forecasts. Unlike traditional approaches that focus on broad…

投资组合管理 · 定量金融 2024-08-19 Yizhan Shu , Chenyu Yu , John M. Mulvey

Forecasting based on financial time-series is a challenging task since most real-world data exhibits nonstationary property and nonlinear dependencies. In addition, different data modalities often embed different nonlinear relationships…

机器学习 · 计算机科学 2019-03-19 Dat Thanh Tran , Juho Kanniainen , Moncef Gabbouj , Alexandros Iosifidis

Generating asset-specific trading signals based on the financial conditions of the assets is one of the challenging problems in automated trading. Various asset trading rules are proposed experimentally based on different technical analysis…

人工智能 · 计算机科学 2020-10-28 Mehran Taghian , Ahmad Asadi , Reza Safabakhsh

Accurate trajectory prediction is vital for autonomous driving, robotics, and intelligent decision-making systems, yet traditional models typically rely on fixed-length output predictions, limiting their adaptability to dynamic real-world…

机器人学 · 计算机科学 2025-08-26 Yunxiang Liu , Hongkuo Niu , Jianlin Zhu

This study addresses the problem of dynamic anomaly detection in accounting transactions and proposes a real-time detection method based on a Transformer to tackle the challenges of hidden abnormal behaviors and high timeliness requirements…

机器学习 · 计算机科学 2025-11-18 Yi Wang , Ruoyi Fang , Anzhuo Xie , Hanrui Feng , Jianlin Lai

Mobile network traffic forecasting is one of the key functions in daily network operation. A commercial mobile network is large, heterogeneous, complex and dynamic. These intrinsic features make mobile network traffic forecasting far from…

机器学习 · 计算机科学 2021-11-02 Xing Wang , Juan Zhao , Lin Zhu , Xu Zhou , Zhao Li , Junlan Feng , Chao Deng , Yong Zhang

Predicting future motion based on historical motion sequence is a fundamental problem in computer vision, and it has wide applications in autonomous driving and robotics. Some recent works have shown that Graph Convolutional Networks(GCN)…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Chongyang Zhong , Lei Hu , Zihao Zhang , Yongjing Ye , Shihong Xia

Accurately predicting stock repurchases is crucial for quantitative investment and risk management, yet traditional static models fail to capture the complex temporal dependencies of corporate financial conditions. This paper proposes a…

统计金融 · 定量金融 2026-04-14 Xiang Ao , Jingxuan Zhang , Xinyu Zhao

Derivative hedging and pricing are important and continuously studied topics in financial markets. Recently, deep hedging has been proposed as a promising approach that uses deep learning to approximate the optimal hedging strategy and can…

计算金融 · 定量金融 2024-04-16 Masanori Hirano

This study presents the applicability of conventional deep recurrent neural networks (RNN) to predict path-dependent plasticity associated with material heterogeneity and anisotropy. Although the architecture of RNN possesses inductive…

无序系统与神经网络 · 物理学 2022-04-06 Ehsan Motevali Haghighi , SeonHong Na

The present document delineates the analysis, design, implementation, and benchmarking of various neural network architectures within a short-term frequency prediction system for the foreign exchange market (FOREX). Our aim is to simulate…

数理金融 · 定量金融 2024-05-15 Theodoros Zafeiriou , Dimitris Kalles

This paper aims at improving predictive crime models by extending the mathematical framework of Artificial Neural Networks (ANNs) tailored to general spatiotemporal problems and appropriately applying them. Recent advancements in the…

机器学习 · 计算机科学 2025-04-01 Nicholas Robert Fisk , Matthew Ng Kok Ming , Zahratu Shabrina

This paper introduces an adaptive physics-guided neural network (APGNN) framework for predicting quality attributes from image data by integrating physical laws into deep learning models. The APGNN adaptively balances data-driven and…

统计方法学 · 统计学 2024-11-18 David Shulman , Itai Dattner

Video anomaly detection (VAD) remains a challenging task in the pattern recognition community due to the ambiguity and diversity of abnormal events. Existing deep learning-based VAD methods usually leverage proxy tasks to learn the normal…

计算机视觉与模式识别 · 计算机科学 2022-11-03 Mengyang Zhao , Yang Liu , Jing Li , Xinhua Zeng

An accelerated failure time (AFT) model assumes a log-linear relationship between failure times and a set of covariates. In contrast to other popular survival models that work on hazard functions, the effects of covariates are directly on…

机器学习 · 统计学 2025-07-15 Gwangsu Kim , Sangwook Kang

We address the problem of multi-object 3D pose control in image diffusion models. Instead of conditioning on a sequence of text tokens, we propose to use a set of per-object representations, Neural Assets, to control the 3D pose of…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Ziyi Wu , Yulia Rubanova , Rishabh Kabra , Drew A. Hudson , Igor Gilitschenski , Yusuf Aytar , Sjoerd van Steenkiste , Kelsey R. Allen , Thomas Kipf

Traffic flow forecasting on graphs has real-world applications in many fields, such as transportation system and computer networks. Traffic forecasting can be highly challenging due to complex spatial-temporal correlations and non-linear…

机器学习 · 计算机科学 2022-07-13 Aosong Feng , Leandros Tassiulas

Autonomous Aerial Manipulators (AAMs) are inherently coupled, nonlinear systems that exhibit nonstationary and multiscale residual dynamics, particularly during manipulator reconfiguration and abrupt payload variations. Conventional…

机器人学 · 计算机科学 2026-03-13 Samaksh Ujjawal , Naveen Sudheer Nair , Shivansh Pratap Singh , Rishabh Dev Yadav , Wei Pan , Spandan Roy