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Transfer learning aims to faciliate learning tasks in a label-scarce target domain by leveraging knowledge from a related source domain with plenty of labeled data. Often times we may have multiple domains with little or no labeled data as…

机器学习 · 计算机科学 2017-11-10 Tianchun Wang

Deep learning models have enjoyed great success for image related computer vision tasks like image classification and object detection. For video related tasks like human action recognition, however, the advancements are not as significant…

计算机视觉与模式识别 · 计算机科学 2018-09-12 Xiaolin Song , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jingyu Yang , Xiaoyan Sun

This paper addresses the challenges of mining latent patterns and modeling contextual dependencies in complex sequence data. A sequence pattern mining algorithm is proposed by integrating Bidirectional Long Short-Term Memory (BiLSTM) with a…

机器学习 · 计算机科学 2025-04-22 Tao Yang , Yu Cheng , Yaokun Ren , Yujia Lou , Minggu Wei , Honghui Xin

Efficient and interpretable spatial analysis is crucial in many fields such as geology, sports, and climate science. Tensor latent factor models can describe higher-order correlations for spatial data. However, they are computationally…

机器学习 · 计算机科学 2020-08-18 Jung Yeon Park , Kenneth Theo Carr , Stephan Zheng , Yisong Yue , Rose Yu

In sequence learning tasks such as language modelling, Recurrent Neural Networks must learn relationships between input features separated by time. State of the art models such as LSTM and Transformer are trained by backpropagation of…

机器学习 · 计算机科学 2019-12-04 Jeremy Gordon , David Rawlinson , Subutai Ahmad

Recurrent neural networks like long short-term memory (LSTM) are important architectures for sequential prediction tasks. LSTMs (and RNNs in general) model sequences along the forward time direction. Bidirectional LSTMs (Bi-LSTMs) on the…

机器学习 · 统计学 2017-11-16 Samira Shabanian , Devansh Arpit , Adam Trischler , Yoshua Bengio

In this paper, we propose a variety of Long Short-Term Memory (LSTM) based models for sequence tagging. These models include LSTM networks, bidirectional LSTM (BI-LSTM) networks, LSTM with a Conditional Random Field (CRF) layer (LSTM-CRF)…

计算与语言 · 计算机科学 2015-08-11 Zhiheng Huang , Wei Xu , Kai Yu

High-dimensional tensor models are notoriously computationally expensive to train. We present a meta-learning algorithm, MMT, that can significantly speed up the process for spatial tensor models. MMT leverages the property that spatial…

机器学习 · 计算机科学 2018-03-01 Stephan Zheng , Rose Yu , Yisong Yue

The detection and tracking of small targets in passive optical remote sensing (PORS) has broad applications. However, most of the previously proposed methods seldom utilize the abundant temporal features formed by target motion, resulting…

计算机视觉与模式识别 · 计算机科学 2024-05-16 Weihua Gao , Wenlong Niu , Wenlong Lu , Pengcheng Wang , Zhaoyuan Qi , Xiaodong Peng , Zhen Yang

Time-domain training criteria have proven to be very effective for the separation of single-channel non-reverberant speech mixtures. Likewise, mask-based beamforming has shown impressive performance in multi-channel reverberant speech…

Long Short-Term Memory (LSTM) networks are often used to capture temporal dependency patterns. By stacking multi-layer LSTM networks, it can capture even more complex patterns. This paper explores the effectiveness of applying stacked LSTM…

机器学习 · 计算机科学 2020-11-03 Frank Xiao

Precision matrix estimation is essential in various fields; yet it is challenging when samples for the target study are limited. Transfer learning can enhance estimation accuracy by leveraging data from related source studies. We propose…

机器学习 · 统计学 2026-03-31 Boxin Zhao , Cong Ma , Mladen Kolar

Inaccurate optical flow estimates in and near occluded regions, and out-of-boundary regions are two of the current significant limitations of optical flow estimation algorithms. Recent state-of-the-art optical flow estimation algorithms are…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Fisseha Admasu Ferede , Madhusudhanan Balasubramanian

The high computational costs of video super-resolution (VSR) models hinder their deployment on resource-limited devices, (e.g., smartphones and drones). Existing VSR models contain considerable redundant filters, which drag down the…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Bin Xia , Jingwen He , Yulun Zhang , Yitong Wang , Yapeng Tian , Wenming Yang , Luc Van Gool

To date, various 3D scene understanding tasks still lack practical and generalizable pre-trained models, primarily due to the intricate nature of 3D scene understanding tasks and their immense variations introduced by camera views,…

计算机视觉与模式识别 · 计算机科学 2021-09-02 Siyuan Huang , Yichen Xie , Song-Chun Zhu , Yixin Zhu

We adapt a manifold sampling algorithm for the nonsmooth, nonconvex formulations of learning that arise when imposing robustness to outliers present in the training data. We demonstrate the approach on objectives based on trimmed loss.…

最优化与控制 · 数学 2018-07-10 Matt Menickelly , Stefan M. Wild

Thomson scattering (TS) diagnostics provide reliable, minimally perturbative measurements of fundamental plasma parameters, such as electron density ($n_e$) and electron temperature ($T_e$). Deep neural networks can provide accurate…

Pre-training on large-scale video data has become a common recipe for learning transferable spatiotemporal representations in recent years. Despite some progress, existing methods are mostly limited to highly curated datasets (e.g., K400)…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Ziyun Zeng , Yuying Ge , Xihui Liu , Bin Chen , Ping Luo , Shu-Tao Xia , Yixiao Ge

Recently, tensor data (or multidimensional array) have been generated in many modern applications, such as functional magnetic resonance imaging (fMRI) in neuroscience and videos in video analysis. Many efforts are made in recent years to…

机器学习 · 计算机科学 2023-08-10 Jiaqi Zhang , Yinghao Cai , Zhaoyang Wang , Beilun Wang

We study the dynamic portfolio selection of an investor who uses deep learning methods to forecast stock market excess returns. In a two-asset allocation problem, deep neural networks -- both feedforward and long short-term memory (LSTM)…

综合金融 · 定量金融 2026-02-16 Mykola Babiak , Jozef Barunik