Intrinsic dimension estimation: Relevant techniques and a benchmark framework

P Campadelli, E Casiraghi, C Ceruti… - Mathematical Problems …, 2015 - Wiley Online Library
When dealing with datasets comprising high‐dimensional points, it is usually advantageous
to discover some data structure. A fundamental information needed to this aim is the …

Measuring the intrinsic dimension of objective landscapes

C Li, H Farkhoor, R Liu, J Yosinski - ar** with high
dimensionality. They have the aim of projecting the original data set of dimensionality N …

[PDF][PDF] Segmentation of LiDAR point clouds for building extraction

J Wang, J Shan - American Society for Photogramm. Remote Sens …, 2009 - asprs.org
The objective of segmentation on point clouds is to spatially group points with similar
properties into homogeneous regions. Segmentation is a fundamental issue in processing …

Diffusion models encode the intrinsic dimension of data manifolds

JP Stanczuk, G Batzolis, T Deveney… - Forty-first International …, 2024 - openreview.net
In this work, we provide a mathematical proof that diffusion models encode data manifolds
by approximating their normal bundles. Based on this observation we propose a novel …

Riemannian manifold learning

T Lin, H Zha - IEEE transactions on pattern analysis and …, 2008 - ieeexplore.ieee.org
Recently, manifold learning has been widely exploited in pattern recognition, data analysis,
and machine learning. This paper presents a novel framework, called Riemannian manifold …

Your diffusion model secretly knows the dimension of the data manifold

J Stanczuk, G Batzolis, T Deveney… - arxiv preprint arxiv …, 2022 - arxiv.org
In this work, we propose a novel framework for estimating the dimension of the data manifold
using a trained diffusion model. A diffusion model approximates the score function ie the …