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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.

169,291 papers · 148 categories

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48 results for Image Properties

GANPOP uses deep learning to estimate optical properties from single images, improving accuracy over existing methods.

problem Estimating optical properties from single wide-field images.
method Conditional generative adversarial networks trained on paired images and optical property maps.
result GANPOP estimates optical properties with 58% higher accuracy than single-snapshot optical property technique in human gastrointestinal specimens.

Self-guidance controls image generation by extracting properties from diffusion model representations.

problem Generating images from text descriptions is challenging due to the complexity of visual details.
method Self-guidance uses internal representations of diffusion models to control image generation.
result Properties like object shape, location, and appearance can be extracted and used to steer image generation.

Machine learning and complexity-entropy methods estimate liquid crystal properties from textures.

problem Extracting physical properties from liquid crystal textures.
method Combining permutation entropy, statistical complexity, and machine learning.
result Significant precision in predicting physical properties of liquid crystals.

C2G-Net improves image classification of similar objects like cells.

problem Classifying images with many similar objects efficiently and interpretably.
method Combines image compression and a CNN with reduced parameters.
result C2G-Net achieves similar accuracy to conventional CNNs but with reduced training time and improved interpretability.

Cartesian neural network models learn soft tissue mechanical properties without shape assumptions.

problem Model-based methods limit elastography to imaging linear-elastic parameters.
method Data-driven neural network constitutive models (NNCMs) learn stress-strain relationships from force-displacement data.
result NNCMs can characterize mechanical properties and their spatial distribution without prior shape knowledge.

Enhances image memorability and scaryness using deep learning.

problem Improving subjective visual properties like memorability and scaryness.
method Combines deep style transfer and generative adversarial networks to modify image attributes.
result Demonstrates effectiveness in enhancing image memorability and generating scary pictures.

The paper explores how neural networks generalize differently from natural and medical images.

problem Discrepancies in generalization error between natural and medical images.
method Established and empirically validated a generalization scaling law with respect to intrinsic dataset properties.
result Higher intrinsic 'label sharpness' of medical images leads to higher adversarial vulnerability.

Paper proposes a method to extract disentangled features for multi-task learning in medical images.

problem Indiscriminate mixing of image properties leads to poor generalization in deep learning.
method Uses deep neural networks and adversarial regularization to disentangle features.
result Demonstrates improved performance on images with new properties like artifacts.

Deep learning models can predict chemical properties without needing advanced chemistry knowledge.

problem How much chemistry does a deep neural network need to know to make accurate predictions?
method Systematically removing and adding localized domain-specific information to image channels of training data.
result An augmented Chemception (AugChemception) outperforms the original model in predicting toxicity, activity, and solvation free energy.

ADS explains object differences by quantifying and removing underlying properties.

problem Explaining differences between two object images.
method Align-Deform-Subtract (ADS) framework that uses semantic alignments and iterative quantification/removal of differences.
result ADS provides disentangled error measures explaining object differences in terms of underlying properties.

ProAGAN stabilizes GANs for learning SOMs from noisy medical imaging data.

problem Learning stochastic object models from noisy and indirect medical imaging measurements.
method Developed Progressive Growing of AmbientGANs (ProAGAN) to stabilize GANs training.
result Signal detection performance improved using ProAGAN-generated images.

Untrained neural networks can recover natural images from few measurements.

problem Recovering natural images from a small number of measurements.
method Gradient descent on un-trained convolutional neural networks.
result Untrained neural networks can approximate reconstruct signals/images from a near minimal number of random measurements.

Study MAP estimation for PnP priors with SGD, proving convergence and demonstrating practical applications.

problem Theoretical analysis and practical implementation of PnP priors for Bayesian imaging problems.
method Maximum-a-posteriori estimation with Plug & Play priors and stochastic gradient descent.
result Convergence proof for MAP computation by PnP-SGD under realistic assumptions on the denoiser.

We study the mean curvature flow of complete space-like submanifolds in pseudo-Euclidean space with bounded Gauss image, as well as that of complete submanifolds in Euclidean space with convex Gauss image. By using the confinable property of the Gauss image under the mean curvature flow we prove the long time existence…

2005-12-15abs ↗pdf ↗

A machine learning method predicts rock permeability from 3D images.

problem Efficiently predict permeability of heterogeneous rocks for planetary and robotic applications.
method Machine learning guided 3D properties recognition of rock morphology from 3D micro CT and MRI images.
result The morphology decoder method accurately predicts permeability from 3D images.

Polarimetric images enhance object detection in adverse weather conditions.

problem Object detection in road scenes is challenging in adverse weather conditions.
method Combining polarimetric imaging and deep learning.
result Polarimetry improves object detection by 20% to 50% compared to conventional RGB images.

Two-layer model sparsifies image residuals for CT image reconstruction.

problem Image reconstruction from limited and corrupted data.
method Pre-learning a two-layer sparsifying transform model with block coordinate descent optimization.
result Preliminary experiments show the two-layer model improves CT image reconstruction from low-dose measurements.

We consider projective varieties with degenerate Gauss image whose focal hypersurfaces are non-reduced schemes. Examples of this situation are provided by the secant varieties of Severi and Scorza varieties. The Severi varieties are moreover characterized by a uniqueness property.

2003-04-09abs ↗pdf ↗

A new image representation method using hypernetworks.

problem Representing images in a way that allows for continuous manipulation and analysis.
method Constructing a hypernetwork that maps pixel positions to colors, allowing for continuous image manipulation.
result Comparable image super-resolution results to existing methods using a single model.

IAGAN method improves medical image reconstruction by incorporating adaptive GAN priors.

problem Reconstructing high-fidelity medical images from incomplete data.
method Image-adaptive GAN-based reconstruction method (IAGAN).
result IAGAN can recover fine structures relevant for medical diagnosis.

New method proves exact recovery for tensor decomposition under reshuffling.

problem Numerical defects limit practical applications of tensor decomposition.
method Proves exact-recovery property for latent convex tensor decomposition using reshuffling.
result Generalized LCTD achieves exact recovery under reshuffling.

New Fourier metrics equivalent to Wasserstein distances in image processing.

problem Equivalence of Fourier-based and Wasserstein metrics in imaging problems.
method Extensions of Fourier-based metrics to handle different centers of mass and discrete measures, showing equivalence to Wasserstein distances.
result New Fourier metrics are equivalent to Wasserstein distances with explicit constants, improving runtime in image processing.

Study uses deep learning to quickly estimate tissue properties for personalized radio-frequency dosimetry.

problem Time-consuming tissue segmentation limits personalized radio-frequency dosimetry.
method Developed a learning-based approach using Convolutional Neural Networks (CNN) for magnetic resonance images.
result Smooth distribution of dielectric properties improves SAR distribution consistency.

Most content-based image retrieval systems consider either one single query, or multiple queries that include the same object or represent the same semantic information. In this paper we consider the content-based image retrieval problem for multiple query images corresponding to different image semantics. We propose a…

2014-02-21abs ↗pdf ↗

This article is a survey on Lorenz knots. We describe the original construction, prove several classical properties, in particular the fact that the closure of a positive braid is a fibered knot, and describe Ghys'correspondance between modular knots and Lorenz knots. We also prove two new properties, namely that follo…

2009-04-16abs ↗pdf ↗

The paper analyzes deep neural network classification regions and their decision boundaries.

problem Understanding the geometric properties of deep neural network classifiers.
method Empirical investigation of deep neural networks' classification regions and decision boundaries.
result Deep neural networks learn connected classification regions with flat decision boundaries.