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This paper explores an improved Adaboost algorithm based on Long Short-Term Memory Networks (LSTMs), which aims to improve the prediction accuracy of user clicks on web page advertisements. By comparing it with several common machine…

机器学习 · 计算机科学 2024-08-13 Qixuan Yu , Xirui Tang , Feiyang Li , Zinan Cao

Predicting user intentions in virtual reality (VR) is crucial for creating immersive experiences, particularly in tasks involving complex grasping motions where accurate haptic feedback is essential. In this work, we leverage time-series…

人机交互 · 计算机科学 2025-08-26 Linghao Zeng

In this paper, we propose an AdaBoost-assisted extreme learning machine for efficient online sequential classification (AOS-ELM). In order to achieve better accuracy in online sequential learning scenarios, we utilize the cost-sensitive…

机器学习 · 计算机科学 2019-09-17 Yi-Ta Chen , Yu-Chuan Chuang , An-Yeu , Wu

In-place gesture-based virtual locomotion techniques enable users to control their viewpoint and intuitively move in the 3D virtual environment. A key research problem is to accurately and quickly recognize in-place gestures, since they can…

人机交互 · 计算机科学 2022-09-05 Lizhi Zhao , Xuequan Lu , Qianyue Bao , Meili Wang

Uncertainty propagation in high-dimensional nonlinear dynamic structural systems is pivotal in state-of-the-art performance-based design and risk assessment, where uncertainties from both excitations and structures, i.e., the aleatoric…

机器学习 · 计算机科学 2026-04-03 Manisha Sapkota , Min Li , Bowei Li

In traditional boosting algorithms, the focus on misclassified training samples emphasizes their importance based on difficulty during the learning process. While using a standard Support Vector Machine (SVM) as a weak learner in an…

机器学习 · 计算机科学 2024-10-10 Junbo Jacob Lian

The sport-related concussion (SRC) battery relies heavily upon subjective symptom reporting in order to determine the diagnosis of a concussion. Unfortunately, athletes with SRC may return-to-play (RTP) too soon if they are untruthful of…

In this paper, an improved method for VR user experience prediction is investigated by introducing a sparrow search algorithm and a random forest algorithm improved by an iterative local search-optimised sparrow search algorithm. The study…

机器学习 · 计算机科学 2024-06-26 Xirui Tang , Feiyang Li , Zinan Cao , Qixuan Yu , Yulu Gong

This paper proposes a hybrid framework combining LSTM (Long Short-Term Memory) networks with LightGBM and CatBoost for stock price prediction. The framework processes time-series financial data and evaluates performance using seven models:…

机器学习 · 计算机科学 2025-05-30 Chang Yu , Fang Liu , Jie Zhu , Shaobo Guo , Yifan Gao , Zhongheng Yang , Meiwei Liu , Qianwen Xing

Confidence estimation, in which we estimate the reliability of each recognized token (e.g., word, sub-word, and character) in automatic speech recognition (ASR) hypotheses and detect incorrectly recognized tokens, is an important function…

音频与语音处理 · 电气工程与系统科学 2023-12-25 Atsunori Ogawa , Naohiro Tawara , Takatomo Kano , Marc Delcroix

Radiation therapy of thoracic and abdominal tumors requires incorporating the respiratory motion into treatments. To precisely account for the patient respiratory motions and predict the respiratory signals, a generalized model for…

医学物理 · 物理学 2019-05-22 Hui Lin , Chengyu Shi , Brian Wang , Maria F. Chan , Xiaoli Tang , Wei Ji

This research proposes and evaluates scoring and assessment methods for Virtual Reality (VR) training simulators. VR simulators capture detailed n-dimensional human motion data which is useful for performance analysis. Custom made medical…

信号处理 · 电气工程与系统科学 2020-06-23 Neil Vaughan , Bogdan Gabrys

We present AdaFrame, a framework that adaptively selects relevant frames on a per-input basis for fast video recognition. AdaFrame contains a Long Short-Term Memory network augmented with a global memory that provides context information…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Zuxuan Wu , Caiming Xiong , Chih-Yao Ma , Richard Socher , Larry S. Davis

The currently leading artificial neural network models of the visual ventral stream - which are derived from a combination of performance optimization and robustification methods - have demonstrated a remarkable degree of behavioral…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Morgan B. Talbot , Gabriel Kreiman , James J. DiCarlo , Guy Gaziv

Much recent work has been devoted to the problem of ensuring that a neural network's confidence scores match the true probability of being correct, i.e. the calibration problem. Of note, it was found that training with focal loss leads to…

机器学习 · 计算机科学 2023-06-21 Arindam Ghosh , Thomas Schaaf , Matthew R. Gormley

Boosting is a method for learning a single accurate predictor by linearly combining a set of less accurate weak learners. Recently, structured learning has found many applications in computer vision. Inspired by structured support vector…

机器学习 · 计算机科学 2020-03-10 Chunhua Shen , Guosheng Lin , Anton van den Hengel

360-degree panoramic videos have gained considerable attention in recent years due to the rapid development of head-mounted displays (HMDs) and panoramic cameras. One major problem in streaming panoramic videos is that panoramic videos are…

计算机视觉与模式识别 · 计算机科学 2022-12-21 Yuang Jiang , Konstantinos Poularakis , Diego Kiedanski , Sastry Kompella , Leandros Tassiulas

AdaBoost is an important algorithm in machine learning and is being widely used in object detection. AdaBoost works by iteratively selecting the best amongst weak classifiers, and then combines several weak classifiers to obtain a strong…

分布式、并行与集群计算 · 计算机科学 2013-06-07 Munther Abualkibash , Ahmed ElSayed , Ausif Mahmood

The use of low numerical precision is a fundamental optimization included in modern accelerators for Deep Neural Networks (DNNs). The number of bits of the numerical representation is set to the minimum precision that is able to retain…

信号处理 · 电气工程与系统科学 2019-11-12 Franyell Silfa , Jose-Maria Arnau , Antonio Gonzàlez

Predicting stock market movements remains a persistent challenge due to the inherently volatile, non-linear, and stochastic nature of financial time series data. This paper introduces a deep learning-based framework employing Long…

计算工程、金融与科学 · 计算机科学 2025-05-09 Rajneesh Chaudhary
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