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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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103206308411 · Jun 202019922001200920172026
48 results for brain development

Local semi-supervised method improves brain tissue classification in child MRI.

problem Inaccurate detection of brain tissue classes due to intensity variations in early developing brains.
method Kernel Fisher Discriminant Analysis (KFDA) combined with SSIM for perceptual image quality assessment.
result Optimal brain partitioning into subdomains with different average intensity values and separating surfaces between brain parts.

The study explores how brain development can inspire efficient deep learning models.

problem Efficient and robust optimization procedures for deep learning.
method Inspiration from biological neural development to improve deep learning models.
result Biological neural development can inspire efficient and robust optimization procedures.

BiLiNGAM model reveals brain emotion circuit development in adolescents.

problem Understanding brain emotion circuit development during adolescence.
method Bayesian incorporated linear non-Gaussian acyclic model (BiLiNGAM) for multiple DAGs estimation.
result BiLiNGAM reveals unique developmental hub structures and group-specific patterns in emotion-related intra- and inter-modular connectivity.

New method aligns brain data across individuals for better brain decoding.

problem Inter-individual variability in brain response patterns limits decoder generalization.
method SpectralOT method that embeds cortical geometry into Laplace-Beltrami eigenmodes.
result SpectralOT strikes balance between aligning functional features and preserving anatomical structure.

A new kernel measures brain network similarities, improving disease classification.

problem Lack of edge weight information in existing graph kernels for brain connectivity networks.
method Ordinal pattern kernel for weighted brain connectivity networks.
result The ordinal pattern kernel achieves better classification performance than state-of-the-art graph kernels.

MarmoNet automates analysis of marmoset brain axonal projections.

problem Automatically detect and segment axonal tracer signals in noisy, cluttered images.
method Uses machine learning, specifically CNNs and image registration, to process and map axonal projections.
result Automated pipeline extracts and maps axonal projections robustly.

This paper compares spike sorting techniques for rat brain neuronal activity.

problem Improving the accuracy of spike sorting for neuronal activity analysis.
method Three-step spike sorting process: detection, feature extraction, and clustering. Various methods are compared.
result Kernel PCA outperforms in feature extraction, leading to better spike sorting results.

New deep learning model generates accurate personalized human head models for electromagnetic dosimetry.

problem Challenges in generating accurate human head models for personalized electromagnetic dosimetry.
method Proposed ForkNet architecture for segmentation of whole human head structures using deep learning.
result Generated head models exhibit strong matching with manual segmentation results.

Sparse ELM classifier predicts brain ages from adolescent multimodal brain data.

problem Predicting brain ages from adolescent multimodal brain data with high accuracy.
method Sparse ELM classifier using residual errors for feature pruning.
result RES-ELM classifier outperforms conventional and sparse Bayesian learning ELM.

Paper reviews neurolinguistics and language technologies, emphasizing mutual enrichment.

problem Understanding brain activity during language processing.
method Brain imaging studies and natural language representations.
result Development of brain-aware natural language representations.

StackNet predicts fluid intelligence from brain images of adolescents.

problem Predicting fluid intelligence in adolescents using brain imaging.
method Feature extraction, normalization, denoising, selection, StackNet architecture, 11 models, 3 layers, 10-fold cross-validation.
result StackNet achieves mean squared errors of 82.42 on training/validation and 94.25 on testing.

New method identifies key channels for extreme brain events.

problem Identifying channels responsible for extreme brain events like seizures.
method Extends canonical correlation to tail dependence, developing TPDM for clustering.
result Tail connectivity provides additional discriminatory power for seizure risk.

Few-shot brain segmentation achieved with weak labels and deep networks.

problem Efficient brain segmentation from limited labeled data.
method Heteroscedastic multi-task networks with Monte-Carlo inference and direct probability learning.
result Significant improvements in segmentation accuracy with minimal labeled data.

Machine learning models predict brain age with systematic bias, corrected in this study.

problem Systematic bias in machine learning regression models for brain age prediction.
method General constrained optimization approach to correct bias.
result Our method effectively eliminates the bias from brain age predictions.

Develops LSTM for predicting neuronal dynamics over long time-horizons.

problem Understanding and controlling complex brain behaviors.
method Long Short-Term Memory (LSTM) neural network architecture for multi-time step predictions.
result LSTM improves short time-horizon prediction accuracy and multi-time step predictions of neuronal dynamics.

Novel framework predicts brain biomarker trajectories with superior performance.

problem Challenges in estimating longitudinal brain biomarker trajectories due to variability, inconsistencies, and irregular measurements.
method Personalized deep kernel regression with Adaptive Shrinkage Estimation.
result Superior predictive performance compared to state-of-the-art models.

Novel method extracts hierarchical brain connectivity patterns from fMRI.

problem Functional hierarchical organization of the human brain.
method Sparse Connectivity Patterns (SCPs) with hierarchy of sparse overlapping patterns, deep factorization of correlation matrices.
result Reproducible multi-scale hierarchical SCPs more stable than single-scale patterns.

Deep learning aids in automatic detection and segmentation of brain metastases.

problem Manual detection and segmentation of brain metastases is tedious and time-consuming.
method Deep learning approach using a fully convolutional neural network (CNN).
result Deep learning approach achieves high precision, recall, and Dice scores.

Study predicts gender from brain FC at multiple scales using deep learning and Bayesian methods.

problem Predicting gender from brain functional connectivity.
method Deep learning and Bayesian deep learning applied to brain FC data from 1003 healthy adults.
result Bayesian deep learning provides accurate predictions and uncertainty information.

Paper develops brain-inspired unsupervised learning for scalable object detection.

problem Machine vision systems struggle with object discovery and detection, especially under nonideal conditions.
method Leverages large-scale perceptual data to develop brain-inspired flexible, scale, and shift invariant object prototypes.
result Efficient unsupervised learning framework constructs accurate part-aware object models and robust detection algorithms.

A method for MRI brain tumor segmentation using feature vectors and kernel dictionary learning.

problem Segmenting brain tumor regions in MRI images.
method Extracting feature vectors, training kernel dictionaries, and selecting informative feature vectors.
result The method outperforms other methods in segmentation accuracy and reduces training time.

Unified framework detects dynamic community structure in brain networks across individuals.

problem Detecting community structure in functional brain networks across multiple subjects and over time.
method Markov-switching stochastic block model (MSS-SBM) for multilayer brain networks.
result Captures dynamic reconfiguration of modular connectivity in brain networks across different task conditions.

A data-driven approach predicts morphological development under structural instability.

problem Understanding and predicting spatiotemporal complexities of morphogenesis under structural instability.
method Machine-learning framework based on physical modeling of morphogenesis.
result Identification of key bifurcation characteristics and prediction of history-dependent development.

A wearable EEG headband detects primary colors from brain activity for color perception.

problem Detecting primary colors from brain activity for color perception.
method Spectral power features, statistical features, and correlation features from continuous Morlet wavelet transform; dimensionality reduction techniques like Forward Feature Selection and Stacked Autoencoders; Random Forest Classifier.
result Best overall accuracy of 80.6% for intra-subject classification.

Stochastic encoding improves gender classification of brain networks from UK Biobank data.

problem Complexity and bias in interpreting deep learning models of brain connectivity.
method Stochastic encoding in ensemble of CNNs, multivariate balancing algorithm.
result AUROC of 0.8459, with resting-state data more accurate than task data.

The paper explores methods to explain brain tumor segmentation models and extract visualizations.

problem Improving interpretability of deep learning models for brain tumor segmentation.
method Exploring techniques to explain brain tumor segmentation models and extract visualizations.
result Brain tumor segmentation networks learn human-understandable disentangled concepts and use a top-down approach.

Graph embedding improves fMRI classification and reveals brain region differences in ASD.

problem Difficult to embed informative brain fMRI representations due to high dimensionality and low SNR.
method Modelled fMRI as a graph, used GNN to learn from graph data, incorporated mutual information loss (Infomax).
result Infomax graph embedding improves classification performance and reveals separable nodal representations of ASD and HC groups.

Deep neural networks have been developed drawing inspiration from the brain visual pathway, implementing an end-to-end approach: from image data to video object classes. However building an fMRI decoder with the typical structure of Convolutional Neural Network (CNN), i.e. learning multiple level of representations, se…

2017-01-09abs ↗pdf ↗