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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,695 papers · 148 categories

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4148281,2411,655 · Jun 202019922001200920172026
48 results for deep learning comparison

Study on deep neural networks for reward modeling with pairwise comparison data.

problem Reward modeling with deep neural networks in non-parametric settings.
method Established a non-asymptotic regret bound for deep reward estimators, introduced a margin-type condition.
result Improved regret bound for deep reward estimators, highlighting the importance of clear human beliefs.

In this paper, we propose an active learning algorithm and models which can gradually learn individual's preference through pairwise comparisons. The active learning scheme aims at finding individual's most preferred choice with minimized number of pairwise comparisons. The pairwise comparisons are encoded into probabi…

2018-05-04abs ↗pdf ↗

Delta method vs Bootstrap for deep learning classification shows strong linear relationship and faster computation.

problem Validating the Delta method for deep learning classification.
method Comparison of Delta method and Bootstrap on LeNet-based neural networks using MNIST and CIFAR-10 datasets.
result The Delta method provides a five times faster computation with strong linear predictive uncertainty relationship.

Comparison of UQ methods in deep learning for a simple physical system.

problem Uncertainty quantification in deep learning for physical systems.
method Bayesian Neural Networks (BNN), Concrete Dropout (CD), Deep Ensembles (DE), and Analytic Error Propagation.
result Pitfalls in using UQ methods, especially Bayesian Neural Networks and Concrete Dropout.

AdaStop improves statistical testing for Deep RL algorithm comparisons.

problem Statistical reproducibility issues in Deep RL.
method AdaStop, a new statistical test based on multiple group sequential tests.
result AdaStop ensures theoretically sound comparisons of Deep RL algorithms.

This work benchmarks MARL algorithms in cooperative tasks.

problem Lack of evaluation tasks and criteria for comparing MARL algorithms.
method Systematic evaluation of three MARL algorithm classes in diverse cooperative tasks.
result Insights into the effectiveness of different learning approaches.

Novel method for Bayesian model comparison using deep learning.

problem Comparing complex models in science with intractable likelihood functions.
method Simulation-based, purely deep learning approach that amortizes model fitting costs.
result Achieves excellent results in accuracy, calibration, and efficiency.

This study provides benchmarks for different implementations of LSTM units between the deep learning frameworks PyTorch, TensorFlow, Lasagne and Keras. The comparison includes cuDNN LSTMs, fused LSTM variants and less optimized, but more flexible LSTM implementations. The benchmarks reflect two typical scenarios for au…

2018-06-05abs ↗pdf ↗

Selecting an optimizer is a central step in the contemporary deep learning pipeline. In this paper, we demonstrate the sensitivity of optimizer comparisons to the hyperparameter tuning protocol. Our findings suggest that the hyperparameter search space may be the single most important factor explaining the rankings obt…

2019-10-11abs ↗pdf ↗

We introduce a model based off-the-grid image reconstruction algorithm using deep learned priors. The main difference of the proposed scheme with current deep learning strategies is the learning of non-linear annihilation relations in Fourier space. We rely on a model based framework, which allows us to use a significa…

2018-12-27abs ↗pdf ↗

Deep learning constitutes a recent, modern technique for image processing and data analysis, with promising results and large potential. As deep learning has been successfully applied in various domains, it has recently entered also the domain of agriculture. In this paper, we perform a survey of 40 research efforts th…

2018-07-31abs ↗pdf ↗

Many deep models have been recently proposed for anomaly detection. This paper presents comparison of selected generative deep models and classical anomaly detection methods on an extensive number of non--image benchmark datasets. We provide statistical comparison of the selected models, in many configurations, archite…

2018-07-13abs ↗pdf ↗

Simple GBRT model improved by window-based input transformation outperforms state-of-the-art deep learning models.

problem Improving performance of traditional forecasting models for time series data.
method Transformed GBRT model input structure to include target values and external features, forming one input instance per training window.
result Simple GBRT model with window-based input transformation outperformed state-of-the-art deep learning models on nine datasets.

In this paper, we propose a new deep feature selection method based on deep architecture. Our method uses stacked auto-encoders for feature representation in higher-level abstraction. We developed and applied a novel feature learning approach to a specific precision medicine problem, which focuses on assessing and prio…

2017-04-20abs ↗pdf ↗

This paper compares model-based and model-free control methods using neural networks.

problem Comparing model-based and model-free control methods for unknown nonlinear systems.
method Utilizes Deep Koopman Representation (DKRC) and Deep Deterministic Policy Gradient (DDPG) for control.
result DKRC outperforms DDPG in terms of control strategies and accuracy for unknown dynamics.

Study compares various optimization algorithms for deep learning.

problem Challenges in optimizing deep neural networks as they grow deeper and datasets increase.
method Implemented and compared adaptive gradient methods for supervised and unsupervised tasks on four image datasets.
result Differences in behavior and performance of optimization algorithms during training.

Study compares deep learning stock trading strategies in adverse market conditions.

problem Comparing deep learning models for stock trading performance in extreme market downturns.
method Reconstructed three deep learning models and compared their strategies through trading simulations.
result Deep learning models, especially LSTM, can mitigate losses in severe market downturns.

The problem of Multiple Object Tracking (MOT) consists in following the trajectory of different objects in a sequence, usually a video. In recent years, with the rise of Deep Learning, the algorithms that provide a solution to this problem have benefited from the representational power of deep models. This paper provid…

2019-07-18abs ↗pdf ↗

Training deep learning models is compute-intensive and there is an industry-wide trend towards hardware specialization to improve performance. To systematically benchmark deep learning platforms, we introduce ParaDnn, a parameterized benchmark suite for deep learning that generates end-to-end models for fully connected…

2019-07-24abs ↗pdf ↗

The tremendous success of deep learning for imaging applications has resulted in numerous beneficial advances. Unfortunately, this success has also been a catalyst for malicious uses such as photo-realistic face swapping of parties without consent. Transferring one person's face from a source image to a target image of…

2019-09-10abs ↗pdf ↗

New proposed models are often compared to state-of-the-art using statistical significance testing. Literature is scarce for classifier comparison using metrics other than accuracy. We present a survey of statistical methods that can be used for classifier comparison using precision, accounting for inter-precision corre…

2016-09-29abs ↗pdf ↗

Deep learning has proven itself as a successful set of models for learning useful semantic representations of data. These, however, are mostly implicitly learned as part of a classification task. In this paper we propose the triplet network model, which aims to learn useful representations by distance comparisons. A si…

2014-12-20abs ↗pdf ↗

Study compares nine deep learning architectures for multi-horizon financial forecasting.

problem Evaluating the performance of deep learning architectures for multi-horizon financial forecasting.
method Conducted 918 experiments across cryptocurrency, forex, and equity markets using nine architectures.
result ModernTCN achieves the best mean rank (1.333) with a 75 percent first-place rate.

Deep learning transforms time series into images for anomaly detection in industrial assets.

problem Detecting anomalies in time series data from industrial assets.
method Transforming time series data into image-like representations and using them as inputs for deep learning models.
result Some encodings provide competitive results for anomaly detection in industrial asset monitoring.

Deep neural networks provide meaningful uncertainty estimates for large-scale simulations.

problem Uncertainty estimates for deep neural network predictions from large-scale simulations.
method General variational inference approach to calibrate Bayesian uncertainties.
result Calibrated Bayesian uncertainties preserved physics-correlations in predicted quantities.

The paper extends multiple instance learning to multiclass and regression problems.

problem Learning from aggregate observations where supervision is given to sets of instances.
method Probabilistic framework for various aggregate observations, including classification and regression.
result The proposed estimator has nice convergence properties under mild assumptions.

In this paper, we consider the use of deep neural networks in the context of Multiple-Input-Multiple-Output (MIMO) detection. We give a brief introduction to deep learning and propose a modern neural network architecture suitable for this detection task. First, we consider the case in which the MIMO channel is constant…

2017-06-04abs ↗pdf ↗

This paper uses deep learning to analyze sentiment in financial forums and improve stock market prediction.

problem Improving stock market prediction accuracy through sentiment analysis.
method Crawling financial forum data, training BERT model on financial corpus, and using maximum information coefficient.
result Sentiment features from financial text can reflect stock market fluctuations and improve prediction accuracy.

Direct neural network calibration outperforms indirect method for rough volatility models.

problem Calibrating volatility models with neural networks.
method Comparison of direct and indirect neural network approaches for volatility model calibration.
result Direct approach outperforms indirect approach for rough volatility models.

Deep learning improves probabilistic PPDE solution accuracy.

problem Approximating solutions to path-dependent PDEs with limited basis selection.
method Deep learning for conditional expectation estimation with error bounds.
result Deep learning yields more accurate PPDE solutions, especially in high dimensions.