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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.

169,181 papers · 148 categories

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2.7%5.4%8.2%10.9% · Nov 201819922001200920182026
48 results for Convolutional filters

Large filters improve performance but are costly; this work uses learned box filters and summed-area tables.

problem Improving performance in dense prediction tasks like human pose estimation with large filters.
method Adopted learnable box filters and summed-area tables to reduce computational cost and maintain performance.
result Demonstrated competitive performance on human pose estimation benchmarks.

We generate transformation-invariant CNNs using context-aware filters.

problem Creating transformation-invariant neural networks for image recognition.
method Input-conditioned convolution filters combined with max-pooling and multi-instance learning.
result Significantly improved error rates on MNIST variations (1.13% on MNIST-rot-12k, 1.12% on Half-rotated MNIST, 0.68% on Scaling MNIST).

Convolutional Bayesian filtering generalizes state estimation by incorporating inequality conditions.

problem Standard Bayesian filtering assumes exact conditional probabilities, limiting its applicability.
method Introducing inequality conditions transforms conditional probabilities into convolutional forms, expanding the filtering framework.
result Convolutional Bayesian filtering encompasses standard Bayesian filtering and allows for more nuanced model consideration.

BankGCN improves graph convolution networks by handling multi-channel signals with adaptive filter banks.

problem Handling multi-channel graph signals with limited architectures.
method BankGCN decomposes multi-channel signals into subspaces and uses adapted filters for each subspace.
result BankGCN achieves excellent performance in graph classification on benchmark datasets.

Paper presents efficient algorithms for convolutional neural networks using Winograd minimal filtering.

problem Resource-efficient implementation of convolutional neural networks.
method Winograd minimal filtering trick applied to M-tap filters (M=3,5,7,9,11) for parallel hardware implementation.
result Approximately 30% reduction in multipliers for fully parallel hardware implementation.

DCFNet decomposes CNN filters into learned coefficients with bases, reducing parameters and computation.

problem Reduction of model parameters and computation in CNNs.
method DCFNet decomposes convolutional filters into a truncated expansion with pre-fixed bases, learning only the coefficients.
result DCFNet maintains accuracy for image classification tasks with significantly fewer parameters, including with random bases.

The paper analyzes how gradient descent learns convolutional filters for non-Gaussian inputs.

problem Learning convolutional filters with ReLU for non-Gaussian input distributions.
method Analysis of gradient descent convergence for ReLU activation with polynomial time complexity.
result Gradient descent can learn convolutional filters in polynomial time, with convergence rate dependent on input distribution smoothness and patch similarity.

RotDCF decomposes CNN filters for rotation-equivariant deep networks.

problem Handling global deformations in images for vision tasks.
method Decomposes convolutional filters over joint steerable bases for rotation-equivariance.
result Significantly reduces model size and computational complexity while preserving performance.

Improved GCNs for non-sparse graphs with low-rank filters.

problem Training and evaluation of GCNs on large non-sparse graphs is computationally expensive.
method Introduced low-rank filters and a reduced-order GCN architecture.
result Significant runtime acceleration and improved accuracy achieved.

Novel CNN integrates learnable FIR filters for heart sound detection.

problem Automatic detection of heart sound abnormalities for early diagnosis.
method Proposes a CNN with tConv layers to learn FIR filter-bank parameters.
result Proposed models outperform state-of-the-art systems in heart sound detection.

The paper bounds the complexity of GCNs using Rademacher complexity.

problem Understanding the sample complexity of GCNs.
method Derived tight upper and lower bounds of Rademacher complexity for GCN models.
result The derived bounds depend on the largest eigenvalue of the graph filter and the degree distribution.

The study reveals flaws in pruning criteria and proposes a new assumption for better filter selection.

problem Flaws in existing pruning criteria for CNNs.
method Empirical experiments and Convolutional Weight Distribution Assumption.
result The Convolutional Weight Distribution Assumption improves filter selection in pruning.

Developed a framework for designing filters in spectral GCNNs with improved performance.

problem Designing effective filters for spectral GCNNs with regularization properties.
method Exploring regularization properties of graph Laplacian and proposing a generalized framework for filter design.
result New filters derived from the framework outperform state-of-the-art techniques in semi-supervised node classification.

Convolutional neural networks learn phase-dependent frequency representations.

problem Capturing phase dependence in frequency representations for better signal analysis.
method Convolutional neural networks learn filters with different phases, which rectify to phase-dependent descriptors.
result Phase harmonics correlations can compressively represent signals with sparse wavelet coefficients.

CAOL learns filters from large datasets, and this paper analyzes its performance.

problem Understanding how dataset size impacts CAOL filter updates.
method Analyzes the impact of dataset size on CAOL filter updates using deterministic and probabilistic bounds.
result Empirical evidence suggests that using more training data can improve CAOL performance.

New CAOL framework learns diverse convolutional filters for improved signal recovery.

problem Memory limitations in patch-domain approaches for learning kernels from large datasets.
method Convolutional Analysis Operator Learning (CAOL) framework with BPEG-M method.
result CAOL significantly accelerates convergence and improves reconstruction quality.

The paper addresses instability in CNNs' first layer by proving max pooling's shift invariance.

problem Instability in CNNs' first layer, leading to sensitivity to small input shifts.
method Establishing conditions for max pooling's shift invariance and deriving a measure of stability.
result Max pooling approximates a nearly shift-invariant complex modulus under certain conditions.

RGCF improves collaborative filtering by refining graph convolution embeddings.

problem GCN-based recommendation models introduce noise and redundancy, limiting high-order connectivity capture.
method Developed RGCF, a new GCN-based Collaborative Filtering model with redesigned embeddings.
result RGCF significantly outperforms state-of-the-art models on public datasets.

ConvTimeNet is a pre-trained CNN for time series classification.

problem Training deep neural networks for time series classification requires careful tuning and resources.
method ConvTimeNet is a pre-trained deep convolutional neural network trained on diverse univariate time series datasets. It adapts to new tasks with minimal fine-tuning.
result ConvTimeNet achieves significant gains in classification accuracy and computational efficiency compared to existing methods.

Visualizes deep neural networks for speech recognition using learned topographic filter maps.

problem Unintuitive internal structure of deep neural networks complicates activation visualization.
method Trains a convolutional speech recognition model with filters arranged in a 2D grid, highlighting similar filters.
result Topographic filter maps visualize artificial neuron activations more intuitively.

CNN predicts stock fluctuations using company news headlines.

problem Predicting next-day stock fluctuations based on company-specific news.
method Convolutional Neural Network (CNN) with reduced filter dimensions and multiple hidden layers. Fine-tuned word embeddings and various filter widths.
result 61.7% classification accuracy achieved using pre-learned embeddings.

GCRNNs improve graph problem solving with fewer parameters.

problem Graph process problems like earthquake epicenter identification and weather prediction.
method GCRNNs use convolutional filter banks and time-gated variations of GCRNNs (Gated GCRNNs) to improve performance.
result GCRNNs significantly improve performance over GNNs and another graph recurrent architecture.

SchNet models quantum interactions using continuous filters, outperforming traditional methods.

problem Capturing continuous atomic positions in molecules without losing physical information.
method Continuous-filter convolutional neural network architecture in SchNet.
result SchNet models both total energy and interatomic forces with rotationally invariant predictions and a smooth potential energy surface.