English
Related papers

Related papers: SCALP: Superpixels with Contour Adherence using Li…

200 papers

Image segmentation is a fundamental vision task and a crucial step for many applications. In this paper, we propose a fast image segmentation method based on a novel super boundary-to-pixel direction (super-BPD) and a customized…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Jianqiang Wan , Yang Liu , Donglai Wei , Xiang Bai , Yongchao Xu

Hyperspectral image (HI) analysis approaches have recently become increasingly complex and sophisticated. Recently, the combination of spectral-spatial information and superpixel techniques have addressed some hyperspectral data issues,…

Image and Video Processing · Electrical Eng. & Systems 2024-07-23 Luciano Carvalho Ayres , Sérgio José Melo de Almeida , José Carlos Moreira Bermudez , Ricardo Augusto Borsoi

Superpixel segmentation is a foundation for many higher-level computer vision tasks, such as image segmentation, object recognition, and scene understanding. Existing graph-based superpixel segmentation methods typically concentrate on the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Minhui Xie , Hao Peng , Pu Li , Guangjie Zeng , Shuhai Wang , Jia Wu , Peng Li , Philip S. Yu

Image Phase Alignment Super-sampling (ImPASS) is a computational method for combining displaced low-resolution images into a single high-resolution image. The general steps include measuring the relative displacements, up-sampling, aligning…

Optics · Physics 2026-01-09 James N. Caron

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…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Teppei Suzuki

While image segmentation is crucial in various computer vision applications, such as autonomous driving, grasping, and robot navigation, annotating all objects at the pixel-level for training is nearly impossible. Therefore, the study of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Cuong Manh Hoang , Byeongkeun Kang

Superpixel segmentation has recently seen important progress benefiting from the advances in differentiable deep learning. However, the very high-resolution superpixel segmentation still remains challenging due to the expensive memory and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Yaxiong Wang , Yunchao Wei , Xueming Qian , Li Zhu , Yi Yang

Superpixels have been widely used in computer vision tasks due to their representational and computational efficiency. Meanwhile, deep learning and end-to-end framework have made great progress in various fields including computer vision.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Qing Yuan , Songfeng Lu , Yan Huang , Wuxin Sha

Kernel approximation via nonlinear random feature maps is widely used in speeding up kernel machines. There are two main challenges for the conventional kernel approximation methods. First, before performing kernel approximation, a good…

Machine Learning · Statistics 2015-03-16 Felix X. Yu , Sanjiv Kumar , Henry Rowley , Shih-Fu Chang

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…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Varun Jampani , Deqing Sun , Ming-Yu Liu , Ming-Hsuan Yang , Jan Kautz

Hyperspectral image classification demands spatially coherent predictions and precise boundary delineation. Yet prevailing superpixel-based methods face an inherent contradiction: clustering aggregates similar pixels into regions, but the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Peifu Liu , Tingfa Xu , Jie Wang , Huan Chen , Huiyan Bai , Jianan Li

Hyperspectral image (HSI) clustering is gaining considerable attention owing to recent methods that overcome the inefficiency and misleading results from the absence of supervised information. Contrastive learning methods excel at existing…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Renxiang Guan , Zihao Li , Xianju Li , Chang Tang

Positron Emission Tomography scan images are extensively used in radiotherapy planning, clinical diagnosis, assessment of growth and treatment of a tumor. These all rely on fidelity and speed of detection and delineation algorithm. Despite…

Medical Physics · Physics 2017-10-25 Yeman B. Hagos , Vu H. Minh , Saed Khawaldeh , Usama Pervaiz , Tajwar A. Aleef

Existing methods for image synthesis utilized a style encoder based on stacks of convolutions and pooling layers to generate style codes from input images. However, the encoded vectors do not necessarily contain local information of the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Jonghyun Kim , Gen Li , Cheolkon Jung , Joongkyu Kim

Saliency maps are widely used in the computer vision community for interpreting neural network classifiers. However, due to the randomness of training samples and optimization algorithms, the resulting saliency maps suffer from a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Shizhan Gong , Jingwei Zhang , Qi Dou , Farzan Farnia

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…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Shukun Zhang , James M. Murphy

Image clustering is an important and open-challenging task in computer vision. Although many methods have been proposed to solve the image clustering task, they only explore images and uncover clusters according to the image features, thus…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Shaotian Cai , Liping Qiu , Xiaojun Chen , Qin Zhang , Longteng Chen

We develop a novel parallel decomposition strategy for unweighted, undirected graphs, based on growing disjoint connected clusters from batches of centers progressively selected from yet uncovered nodes. With respect to similar previous…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-02-09 Matteo Ceccarello , Andrea Pietracaprina , Geppino Pucci , Eli Upfal

Single-pixel imaging (SPI) is an emerging technique which has attracts wide attention in various research fields. However, restricted by the low reconstruction quality and large amount of measurements, the practical application is still in…

Image and Video Processing · Electrical Eng. & Systems 2018-11-09 Chao Deng , Xuemei Hu , Xiaoxu Li , Jinli Suo , Zhili Zhang , Qionghai Dai

Establishing visual correspondences under large intra-class variations requires analyzing images at different levels, from features linked to semantics and context to local patterns, while being invariant to instance-specific details. To…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Juhong Min , Jongmin Lee , Jean Ponce , Minsu Cho