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Superpixels have long been used in image simplification to enable more efficient data processing and storage. However, despite their computational potential, their irregular spatial distribution has often forced deep learning approaches to…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Jack Roberts , Jeova Farias Sales Rocha Neto

Superpixels are widely used in computer vision to simplify image representation and reduce computational complexity. While traditional methods rely on low-level features, deep learning-based approaches leverage high-level features but also…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Julien Walther , Rémi Giraud , Michaël Clément

We propose a method for the unsupervised clustering of hyperspectral images based on spatially regularized spectral clustering with ultrametric path distances. The proposed method efficiently combines data density and geometry to…

计算机视觉与模式识别 · 计算机科学 2020-04-13 Shukun Zhang , James M. Murphy

We propose an unsupervised superpixel segmentation method by optimizing a randomly-initialized convolutional neural network (CNN) in inference time. Our method generates superpixels via CNN from a single image without any labels by…

计算机视觉与模式识别 · 计算机科学 2020-06-29 Teppei Suzuki

Superpixels provide an efficient low/mid-level representation of image data, which greatly reduces the number of image primitives for subsequent vision tasks. Existing superpixel algorithms are not differentiable, making them difficult to…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Varun Jampani , Deqing Sun , Ming-Yu Liu , Ming-Hsuan Yang , Jan Kautz

Synthetic Aperture Radar (SAR) imagery is the primary data type used for sea ice mapping due to its spatio-temporal coverage and the ability to detect sea ice independent of cloud and lighting conditions. Automatic sea ice detection using…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Martin S J Rogers , Maria Fox , Andrew Fleming , Louisa van Zeeland , Jeremy Wilkinson , J. Scott Hosking

We introduce a new spectral method for image segmentation that incorporates long range relationships for global appearance modeling. The approach combines two different graphs, one is a sparse graph that captures spatial relationships…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Jeova F. S. Rocha Neto , Pedro F. Felzenszwalb

A central problem in hyperspectral image classification is obtaining high classification accuracy when using a limited amount of labelled data. In this paper we present a novel graph-based framework, which aims to tackle this problem in the…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Philip Sellars , Angelica Aviles-Rivero , Carola-Bibiane Schönlieb

The conservation of tropical forests is a topic of significant social and ecological relevance due to their crucial role in the global ecosystem. Unfortunately, deforestation and degradation impact millions of hectares annually, requiring…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Isabela Borlido , Eduardo Bouhid , Victor Sundermann , Hugo Resende , Alvaro Luiz Fazenda , Fabio Faria , Silvio Jamil F. Guimarães

We present a fast and accurate method for dense depth reconstruction from sparsely sampled light fields obtained using a synchronized camera array. In our method, the source images are over-segmented into non-overlapping compact superpixels…

图像与视频处理 · 电气工程与系统科学 2018-12-18 Aleksandra Chuchvara , Attila Barsi , Atanas Gotchev

Multi-channel Analysis of Surface Waves (MASW) is a seismic method employed to obtain useful information about shear-wave velocities in the near surface. A fundamental step in this methodology is the extraction of dispersion curves from…

地球物理 · 物理学 2023-05-24 Danilo Chamorro , Jiahua Zhao , Claire Birnie , Myrna Staring , Fliedner Moritz , Matteo Ravasi

An entropy-based image segmentation approach is introduced and applied to color images obtained from Google Earth. Segmentation refers to the process of partitioning a digital image in order to locate different objects and regions of…

计算物理 · 物理学 2009-11-10 A. L. Barbieri , G. Arruda , F. A. Rodrigues , O. M. Bruno , L. da F. Costa

Superpixel algorithms grouping pixels with similar color and other low-level properties are increasingly used for pre-processing in image segmentation. In recent years, a focus has been placed on developing geometric superpixel methods that…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Maximilian Fiedler , Andreas Alpers

The goal of this paper is to present a new efficient image segmentation method based on evolutionary computation which is a model inspired from human behavior. Based on this model, a four layer process for image segmentation is proposed…

计算机视觉与模式识别 · 计算机科学 2017-12-07 Roohollah Aslanzadeh , Kazem Qazanfari , Mohammad Rahmati

A novel approach of data augmentation based on irregular superpixel decomposition is proposed. This approach called SuperpixelGridMasks permits to extend original image datasets that are required by training stages of machine…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Karim Hammoudi , Adnane Cabani , Bouthaina Slika , Halim Benhabiles , Fadi Dornaika , Mahmoud Melkemi

Superpixel decomposition methods are widely used in computer vision and image processing applications. By grouping homogeneous pixels, the accuracy can be increased and the decrease of the number of elements to process can drastically…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis

Recently, large foundation models trained on vast datasets have demonstrated exceptional capabilities in feature extraction and general feature representation. The ongoing advancements in deep learning-driven large models have shown great…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Meiqi Hu , Lingzhi Lu , Chengxi Han , Xiaoping Liu

Image segmentation, one of the most critical vision tasks, has been studied for many years. Most of the early algorithms are unsupervised methods, which use hand-crafted features to divide the image into many regions. Recently, owing to the…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Qinghong Lin , Weichan Zhong , Jianglin Lu

In this paper, we introduce an innovative super resolution approach to emerging modes of near-field synthetic aperture radar (SAR) imaging. Recent research extends convolutional neural network (CNN) architectures from the optical to the…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Christos Vasileiou , Josiah W. Smith , Shiva Thiagarajan , Matthew Nigh , Yiorgos Makris , Murat Torlak

Being able to effectively identify clouds and monitor their evolution is one important step toward more accurate quantitative precipitation estimation and forecast. In this study, a new gradient-based cloud-image segmentation technique is…

计算机视觉与模式识别 · 计算机科学 2018-10-01 Negin Hayatbini , Kuo-lin Hsu , Soroosh Sorooshian , Yunji Zhang , Fuqing Zhang