Search Results for author: Dat Thanh Tran

Found 21 papers, 11 papers with code

Cryptocurrency Portfolio Optimization by Neural Networks

no code implementations2 Oct 2023 Quoc Minh Nguyen, Dat Thanh Tran, Juho Kanniainen, Alexandros Iosifidis, Moncef Gabbouj

Many cryptocurrency brokers nowadays offer a variety of derivative assets that allow traders to perform hedging or speculation.

Portfolio Optimization

Recognition of Defective Mineral Wool Using Pruned ResNet Models

no code implementations1 Nov 2022 Mehdi Rafiei, Dat Thanh Tran, Alexandros Iosifidis

Considering the low quantity of the dataset, cross-validation and augmentation methods are used during the training.

Augmented Bilinear Network for Incremental Multi-Stock Time-Series Classification

no code implementations23 Jul 2022 Mostafa Shabani, Dat Thanh Tran, Juho Kanniainen, Alexandros Iosifidis

In addition, as the market evolves through time, it is necessary to update the existing models or train new ones when new data is made available.

Classification Time Series +2

Variational Neural Networks

3 code implementations4 Jul 2022 Illia Oleksiienko, Dat Thanh Tran, Alexandros Iosifidis

Bayesian Neural Networks (BNNs) provide a tool to estimate the uncertainty of a neural network by considering a distribution over weights and sampling different models for each input.

Remote Multilinear Compressive Learning with Adaptive Compression

no code implementations2 Sep 2021 Dat Thanh Tran, Moncef Gabbouj, Alexandros Iosifidis

By developing compressive sensing and learning models that can operate with an adaptive compression rate, we can maximize the informational content throughput of the whole application.

Compressive Sensing

Bilinear Input Normalization for Neural Networks in Financial Forecasting

1 code implementation1 Sep 2021 Dat Thanh Tran, Juho Kanniainen, Moncef Gabbouj, Alexandros Iosifidis

Data normalization is one of the most important preprocessing steps when building a machine learning model, especially when the model of interest is a deep neural network.

Time Series Time Series Analysis

Knowledge Distillation By Sparse Representation Matching

1 code implementation31 Mar 2021 Dat Thanh Tran, Moncef Gabbouj, Alexandros Iosifidis

Knowledge Distillation refers to a class of methods that transfers the knowledge from a teacher network to a student network.

Knowledge Distillation Representation Learning

Performance Indicator in Multilinear Compressive Learning

no code implementations22 Sep 2020 Dat Thanh Tran, Moncef Gabbouj, Alexandros Iosifidis

Recently, the Multilinear Compressive Learning (MCL) framework was proposed to efficiently optimize the sensing and learning steps when working with multidimensional signals, i. e. tensors.

Compressive Sensing

Attention-based Neural Bag-of-Features Learning for Sequence Data

1 code implementation25 May 2020 Dat Thanh Tran, Nikolaos Passalis, Anastasios Tefas, Moncef Gabbouj, Alexandros Iosifidis

In this paper, we propose 2D-Attention (2DA), a generic attention formulation for sequence data, which acts as a complementary computation block that can detect and focus on relevant sources of information for the given learning objective.

Medical Diagnosis

Subset Sampling For Progressive Neural Network Learning

1 code implementation17 Feb 2020 Dat Thanh Tran, Moncef Gabbouj, Alexandros Iosifidis

Progressive Neural Network Learning is a class of algorithms that incrementally construct the network's topology and optimize its parameters based on the training data.

Face Recognition

Multilinear Compressive Learning with Prior Knowledge

1 code implementation17 Feb 2020 Dat Thanh Tran, Moncef Gabbouj, Alexandros Iosifidis

Extensive experiments demonstrate that the proposed knowledge transfer method can effectively train MCL models to compressively sense and synthesize better features for the learning tasks with improved performances, especially when the complexity of the learning task increases.

Compressive Sensing Transfer Learning

Multilinear Compressive Learning

2 code implementations17 May 2019 Dat Thanh Tran, Mehmet Yamac, Aysen Degerli, Moncef Gabbouj, Alexandros Iosifidis

Compressive Learning is an emerging topic that combines signal acquisition via compressive sensing and machine learning to perform inference tasks directly on a small number of measurements.

Compressive Sensing Face Recognition

Data-driven Neural Architecture Learning For Financial Time-series Forecasting

no code implementations5 Mar 2019 Dat Thanh Tran, Juho Kanniainen, Moncef Gabbouj, Alexandros Iosifidis

Forecasting based on financial time-series is a challenging task since most real-world data exhibits nonstationary property and nonlinear dependencies.

Time Series Time Series Forecasting +1

Progressive Operational Perceptron with Memory

1 code implementation20 Aug 2018 Dat Thanh Tran, Serkan Kiranyaz, Moncef Gabbouj, Alexandros Iosifidis

Generalized Operational Perceptron (GOP) was proposed to generalize the linear neuron model in the traditional Multilayer Perceptron (MLP) and this model can mimic the synaptic connections of the biological neurons that have nonlinear neurochemical behaviours.

Heterogeneous Multilayer Generalized Operational Perceptron

1 code implementation13 Apr 2018 Dat Thanh Tran, Serkan Kiranyaz, Moncef Gabbouj, Alexandros Iosifidis

Previously, Generalized Operational Perceptron (GOP) was proposed to extend conventional perceptron model by defining a diverse set of neuronal activities to imitate a generalized model of biological neurons.

Temporal Attention augmented Bilinear Network for Financial Time-Series Data Analysis

1 code implementation4 Dec 2017 Dat Thanh Tran, Alexandros Iosifidis, Juho Kanniainen, Moncef Gabbouj

Financial time-series forecasting has long been a challenging problem because of the inherently noisy and stochastic nature of the market.

Time Series Time Series Forecasting

Multilinear Class-Specific Discriminant Analysis

no code implementations29 Oct 2017 Dat Thanh Tran, Moncef Gabbouj, Alexandros Iosifidis

There has been a great effort to transfer linear discriminant techniques that operate on vector data to high-order data, generally referred to as Multilinear Discriminant Analysis (MDA) techniques.

Stock Price Prediction

Improving Efficiency in Convolutional Neural Network with Multilinear Filters

no code implementations28 Sep 2017 Dat Thanh Tran, Alexandros Iosifidis, Moncef Gabbouj

The excellent performance of deep neural networks has enabled us to solve several automatization problems, opening an era of autonomous devices.

Tensor Representation in High-Frequency Financial Data for Price Change Prediction

no code implementations5 Sep 2017 Dat Thanh Tran, Martin Magris, Juho Kanniainen, Moncef Gabbouj, Alexandros Iosifidis

Nowadays, with the availability of massive amount of trade data collected, the dynamics of the financial markets pose both a challenge and an opportunity for high frequency traders.

Time Series Time Series Analysis +1

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