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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.

169,051 papers · 148 categories

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48 results for experience synthesis

Inverse Drum Machine separates drum mixes using transcription and synthesis.

problem Separating individual drum tracks from mixed recordings.
method Analysis-by-synthesis framework combining deep learning and automatic transcription.
result Separation quality comparable to supervised methods requiring isolated stems.

Deep reinforcement learning optimizes retrosynthetic planning for chemical synthesis.

problem Optimizing chemical synthesis plans from molecular targets to simpler starting materials.
method Deep reinforcement learning to estimate synthesis costs and values of molecules.
result Trained neural networks outperform heuristic approaches in synthesizing unfamiliar molecules.

AutoDiff combines auto-encoder and diffusion model for realistic tabular data synthesis.

problem Generating realistic synthetic tabular data with heterogeneous features.
method Employing auto-encoder architecture to handle tabular data's complexity.
result Synthetic tables from AutoDiff show good statistical fidelity and perform well in machine learning tasks.

Generative adversarial networks (GANs) are a recent approach to train generative models of data, which have been shown to work particularly well on image data. In the current paper we introduce a new model for texture synthesis based on GAN learning. By extending the input noise distribution space from a single vector …

2016-11-24abs ↗pdf ↗

Method detects effects of synthesis parameters on plutonium oxide microstructure.

problem Detecting effects of synthesis parameters on material microstructure.
method Copula theory, high dimensional distribution distances, and permutational statistics.
result Effects of strike order and oxalic acid feed on plutonium oxide microstructure detected.

Program synthesis struggles with complex spatial relationships in image classification.

problem Challenges in solving Synthetic Visual Reasoning Test problems.
method Quantitative reanalysis of human and machine performance, improved program synthesis classifier, categorization of SVRT problems.
result Program synthesis is constrained by spatial relationships in images, not just shape specification.

Method treats pseudo healthy synthesis as a factor decomposition problem.

problem Creating a healthy-looking image from a pathological one.
method Adversarial training with paired or unpaired settings, combining two factors (healthy and disease) to reconstruct the input.
result Method outperforms conditional GAN and CycleGAN in generating pseudo healthy images.

Attention forcing improves sequence-to-sequence model training stability.

problem Training auto-regressive sequence-to-sequence models with attention mechanism is challenging.
method Attention forcing guides the model with generated output history and reference attention.
result Attention forcing trains models to recover from mistakes without requiring a schedule or classifier.

Many real-world applications require robust algorithms to learn point processes based on a type of incomplete data --- the so-called short doubly-censored (SDC) event sequences. We study this critical problem of quantitative asynchronous event sequence analysis under the framework of Hawkes processes by leveraging the …

2017-02-22abs ↗pdf ↗

A new TTS method uses diffusion and VAE for better speech synthesis.

problem Improving text-to-speech synthesis for better speech quality and robustness.
method Combines diffusion probabilistic model and variational autoencoder for latent variable conversion.
result The method is robust to poor orthography and alignment errors.

DeepSynth synthesizes automata to guide deep RL agents through sparse, non-Markovian rewards.

problem Training deep RL agents with sparse, non-Markovian rewards and unknown high-level objectives.
method Employing a novel algorithm for synthesizing compact automata to uncover sequential structure from trace data.
result Reduces the number of iterations required for policy synthesis by two orders of magnitude and improves scalability.

This paper proposes deep generative models to predict rare feature combinations in population synthesis.

problem Estimating rare combinations of feature attributes in multivariate distributions.
method Wasserstein Generative Adversarial Network (WGAN) and Variational Autoencoder (VAE) adapted for large-scale population synthesis.
result The models effectively recover sampling zeros while keeping structural zeros low, improving upon existing methods.

Unified framework for DRO and DTA using Bayesian nonparametrics.

problem Combining DRO and DTA under ambiguity.
method Unified framework using DP and HDPs, with outlier robustness.
result Favorable performance in prediction accuracy and stability.

Proposes a new GAN architecture for generating data conditioned on partial information.

problem Generating data conditioned on partial ancillary information.
method Introduces a new Adversarial Network architecture and training strategy.
result The proposed method outperforms standard Conditional GANs in generating data under partial conditioning.

PRRO generates synthetic tabular data that improves SL performance and class distribution.

problem Low SL utility of synthetic data due to class imbalance and overlooked data relationships.
method Data pruning and column reordering to optimize SL utility.
result Synthetic data generated with PRRO enhances predictive performance and class distribution.

The recent success of raw audio waveform synthesis models like WaveNet motivates a new approach for music synthesis, in which the entire process --- creating audio samples from a score and instrument information --- is modeled using generative neural networks. This paper describes a neural music synthesis model with fl…

2018-11-01abs ↗pdf ↗

System uses machine learning and automated reasoning to speed up PBE synthesis.

problem Slow synthesis in PBE due to domain-specific knowledge and large training datasets.
method Preprocess SyGuS PBE problems with a neural network to reduce search space, then use automated reasoning for faster solution.
result System outperforms all competing tools in the 2019 SyGuS Competition for the PBE Strings track by 47.65%.

WaveCycleGAN2 improves speech synthesis quality by reducing aliasing.

problem Human ear can still distinguish synthesized speech from natural speech.
method WaveCycleGAN2 uses generators without down/up-sampling modules and combines discriminators from waveform and acoustic parameter domains.
result WaveCycleGAN2 achieves high-quality speech synthesis with comparable mean opinion scores to natural speech.

Optimizes expensive experiments by incorporating expert knowledge.

problem Expensive experiments require minimizing the number of trials.
method Bayesian optimization with posterior sampling of expert knowledge.
result Demonstrates significant efficiency gains in experiments and hyperparameter tuning.

Improved visual speech synthesis using adapted ASR acoustic models.

problem Lack of synchronized audio, video, and depth data for speaker-independent speech-driven visual speech synthesis.
method Adapted an ASR acoustic model trained on audio-only data to the visual speech synthesis domain.
result Viewers significantly prefer animations generated from the adapted ASR acoustic model.

Polynomial fusion layer improves speech-driven facial animation.

problem Recent facial synthesis relies on low-dimensional representations and concatenation, ignoring higher-order interactions.
method Proposes a polynomial fusion layer to model higher-order interactions of facial encodings.
result Demonstrates improved video quality, audiovisual synchronisation, and blink generation.

Machine learning refactors knowledge to improve learning efficiency.

problem Inductive program synthesis efficiency through knowledge restructuring.
method Introduces Knorf, a system that refactors knowledge bases using constraint optimization.
result Learning from refactored knowledge improves predictive accuracy fourfold and reduces learning time by half.

Novel framework uses synthetic data to quantify uncertainty in complex data.

problem Uncertainty quantification in complex, unstructured data.
method Perturbation-Assisted Sample Synthesis (PASS) and Perturbation-Assisted Inference (PAI) framework.
result Statistically guaranteed validity in inference, enhancing reliability of synthetic data.

A new imputation method MissARF uses adversarial random forests for fast and accurate missing value imputation.

problem Handling missing values in biostatistical analyses.
method Adversarial Random Forests (ARF) for density estimation and data synthesis.
result MissARF performs comparably to state-of-the-art methods in imputation quality and runtime.

Language models predict inorganic synthesis conditions and temperatures.

problem Limited data and heuristic approaches constrain inorganic synthesis planning.
method Language models without fine-tuning predict precursor conditions and temperatures.
result Language models achieve high accuracy in predicting synthesis conditions and temperatures.