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In this paper, we propose an unsupervised method for hyperspectral remote sensing image segmentation. The method exploits the mean-shift clustering algorithm that takes as input a preliminary hyperspectral superpixels segmentation together…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Mirko Paolo Barbato , Paolo Napoletano , Flavio Piccoli , Raimondo Schettini

Unsupervised deep learning methods have shown promising performance for single-image depth estimation. Since most of these methods use binocular stereo pairs for self-supervision, the depth range is generally limited. Small-baseline stereo…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Saad Imran , Muhammad Umar Karim Khan , Sikander Bin Mukarram , Chong-Min Kyung

We propose a new approach to learn to segment multiple image objects without manual supervision. The method can extract objects form still images, but uses videos for supervision. While prior works have considered motion for segmentation, a…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Laurynas Karazija , Subhabrata Choudhury , Iro Laina , Christian Rupprecht , Andrea Vedaldi

Estimating 3D scene flow from a sequence of monocular images has been gaining increased attention due to the simple, economical capture setup. Owing to the severe ill-posedness of the problem, the accuracy of current methods has been…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Junhwa Hur , Stefan Roth

Stereo video retargeting aims to resize an image to a desired aspect ratio. The quality of retargeted videos can be significantly impacted by the stereo videos spatial, temporal, and disparity coherence, all of which can be impacted by the…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Hassan Imani , Md Baharul Islam , Lai-Kuan Wong

Although instance-aware perception is a key prerequisite for many autonomous robotic applications, most of the methods only partially solve the problem by focusing solely on known object categories. However, for robots interacting in…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Maximilian Durner , Wout Boerdijk , Martin Sundermeyer , Werner Friedl , Zoltan-Csaba Marton , Rudolph Triebel

Detecting the occlusion from stereo images or video frames is important to many computer vision applications. Previous efforts focus on bundling it with the computation of disparity or optical flow, leading to a chicken-and-egg problem. In…

计算机视觉与模式识别 · 计算机科学 2018-09-25 Ang Li , Zejian Yuan

Image segmentation, the process of partitioning an image into meaningful regions, plays a pivotal role in computer vision and medical imaging applications. Unsupervised segmentation, particularly in the absence of labeled data, remains a…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Kovvuri Sai Gopal Reddy , Bodduluri Saran , A. Mudit Adityaja , Saurabh J. Shigwan , Nitin Kumar

We present two practical improvement techniques for unsupervised segmentation learning. These techniques address limitations in the resolution and accuracy of predicted segmentation maps of recent state-of-the-art methods. Firstly, we…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Alp Eren Sari , Francesco Locatello , Paolo Favaro

This paper proposes a vision-based fire and smoke segmentation system which use spatial, temporal and motion information to extract the desired regions from the video frames. The fusion of information is done using multiple features such as…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Meenu Ajith , Manel Martínez-Ramón

Despite recent advances in video segmentation, many opportunities remain to improve it using a variety of low and mid-level visual cues. We propose improvements to the leading streaming graph-based hierarchical video segmentation…

计算机视觉与模式识别 · 计算机科学 2014-02-17 Subarna Tripathi , Youngbae Hwang , Serge Belongie , Truong Nguyen

Real-time performance of stereo matching networks is important for many applications, such as automatic driving, robot navigation and augmented reality (AR). Although significant progress has been made in stereo matching networks in recent…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Bin Xu , Yuhua Xu , Xiaoli Yang , Wei Jia , Yulan Guo

The Segmentation Anything Model (SAM) requires labor-intensive data labeling. We present Unsupervised SAM (UnSAM) for promptable and automatic whole-image segmentation that does not require human annotations. UnSAM utilizes a…

计算机视觉与模式识别 · 计算机科学 2024-07-01 XuDong Wang , Jingfeng Yang , Trevor Darrell

Image segmentation plays an essential role in medicine for both diagnostic and interventional tasks. Segmentation approaches are either manual, semi-automated or fully-automated. Manual segmentation offers full control over the quality of…

Spectral Clustering is one of the most traditional methods to solve segmentation problems. Based on Normalized Cuts, it aims at partitioning an image using an objective function defined by a graph. Despite their mathematical attractiveness,…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Rahul Palnitkar , Jeova Farias Sales Rocha Neto

Partitioning graphs into blocks of roughly equal size is widely used when processing large graphs. Currently there is a gap in the space of available partitioning algorithms. On the one hand, there are streaming algorithms that have been…

数据结构与算法 · 计算机科学 2021-12-23 Marcelo Fonseca Faraj , Christian Schulz

Semantic segmentation, which aims to acquire a detailed understanding of images, is an essential issue in computer vision. However, in practical scenarios, new categories that are different from the categories in training usually appear.…

计算机视觉与模式识别 · 计算机科学 2020-07-02 Haiyang Liu , Yichen Wang , Jiayi Zhao , Guowu Yang , Fengmao Lv

To be effective in unstructured and changing environments, robots must learn to recognize new objects. Deep learning has enabled rapid progress for object detection and segmentation in computer vision; however, this progress comes at the…

机器人学 · 计算机科学 2020-03-05 Victoria Florence , Jason J. Corso , Brent Griffin

We describe an unsupervised method to detect and segment portions of images of live scenes that, at some point in time, are seen moving as a coherent whole, which we refer to as objects. Our method first partitions the motion field by…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Yanchao Yang , Brian Lai , Stefano Soatto

We propose a method for semi-supervised semantic segmentation using an adversarial network. While most existing discriminators are trained to classify input images as real or fake on the image level, we design a discriminator in a fully…

计算机视觉与模式识别 · 计算机科学 2018-07-26 Wei-Chih Hung , Yi-Hsuan Tsai , Yan-Ting Liou , Yen-Yu Lin , Ming-Hsuan Yang