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Learning object segmentation in image and video datasets without human supervision is a challenging problem. Humans easily identify moving salient objects in videos using the gestalt principle of common fate, which suggests that what moves…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Silky Singh , Shripad Deshmukh , Mausoom Sarkar , Balaji Krishnamurthy

Ground segmentation is crucial for terrestrial mobile platforms to perform navigation or neighboring object recognition. Unfortunately, the ground is not flat, as it features steep slopes; bumpy roads; or objects, such as curbs, flower…

Robotics · Computer Science 2022-03-11 Hyungtae Lim , Minho Oh , Hyun Myung

High-resolution image segmentation remains challenging and error-prone due to the enormous size of intermediate feature maps. Conventional methods avoid this problem by using patch based approaches where each patch is segmented…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Fahim Faisal Niloy , M. Ashraful Amin , Amin Ahsan Ali , AKM Mahbubur Rahman

The importance of an efficient and scalable document similarity detection system is undeniable nowadays. Search engines need batch text similarity measures to detect duplicated and near-duplicated web pages in their indexes in order to…

Information Retrieval · Computer Science 2018-10-09 Hamid Mohammadi , Amin Nikoukaran

Methods that combine local and global features have recently shown excellent performance on multiple challenging deep image retrieval benchmarks, but their use of local features raises at least two issues. First, these local features simply…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Philippe Weinzaepfel , Thomas Lucas , Diane Larlus , Yannis Kalantidis

Non-local self-similarity based low rank algorithms are the state-of-the-art methods for image denoising. In this paper, a new method is proposed by solving two issues: how to improve similar patches matching accuracy and build an…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Jing Guo , Shuping Wang , Chen Luo , Qiyu Jin , Michael Kwok-Po Ng

In large-scale storehouses, precise instance masks are crucial for robotic bin picking but are challenging to obtain. Existing instance segmentation methods typically rely on a tedious process of scene collection, mask annotation, and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Biqi Yang , Weiliang Tang , Xiaojie Gao , Xianzhi Li , Yun-Hui Liu , Chi-Wing Fu , Pheng-Ann Heng

Image retrieval is the problem of searching an image database for items that are similar to a query image. To address this task, two main types of image representations have been studied: global and local image features. In this work, our…

Computer Vision and Pattern Recognition · Computer Science 2020-09-17 Bingyi Cao , Andre Araujo , Jack Sim

In large-scale image retrieval, many indexing methods have been proposed to narrow down the searching scope of retrieval. The features extracted from images usually are of high dimensions or unfixed sizes due to the existence of key points.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Ying Wang , Tingzhen Liu , Zepeng Bu , Yuhui Huang , Lizhong Gao , Qiao Wang

Ultra-high resolution image segmentation has raised increasing interests in recent years due to its realistic applications. In this paper, we innovate the widely used high-resolution image segmentation pipeline, in which an ultra-high…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Wenxi Liu , Qi Li , Xindai Lin , Weixiang Yang , Shengfeng He , Yuanlong Yu

Instance Search (INS) is a fundamental problem for many applications, while it is more challenging comparing to traditional image search since the relevancy is defined at the instance level. Existing works have demonstrated the success of…

Computer Vision and Pattern Recognition · Computer Science 2017-01-30 Jingkuan Song , Tao He , Lianli Gao , Xing Xu , Heng Tao Shen

In this paper, we tackle the domain adaptive object detection problem, where the main challenge lies in significant domain gaps between source and target domains. Previous work seeks to plainly align image-level and instance-level shifts to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Chang-Dong Xu , Xing-Ran Zhao , Xin Jin , Xiu-Shen Wei

Visual localization is a useful alternative to standard localization techniques. It works by utilizing cameras. In a typical scenario, features are extracted from captured images and compared with geo-referenced databases. Location…

Computer Vision and Pattern Recognition · Computer Science 2020-06-28 Li Weng , Valerie Gouet-Brunet , Bahman Soheilian

Image copy detection is of great importance in real-life social media. In this paper, a data-driven and local-verification (D$^2$LV) approach is proposed to compete for Image Similarity Challenge: Matching Track at NeurIPS'21. In D$^2$LV,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Wenhao Wang , Yifan Sun , Weipu Zhang , Yi Yang

Conventional approaches to image-text retrieval mainly focus on indexing visual objects appearing in pictures but ignore the interactions between these objects. Such objects occurrences and interactions are equivalently useful and important…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Manh-Duy Nguyen , Binh T. Nguyen , Cathal Gurrin

To effectively retrieve objects from large corpus with high accuracy is a challenge task. In this paper, we propose a method that propagates visual feature level similarities on a Markov random field (MRF) to obtain a high level…

Computer Vision and Pattern Recognition · Computer Science 2013-12-30 Peng Lu , Xujun Peng , Xinshan Zhu , Xiaojie Wang

Visual place recognition tasks often encounter significant challenges in landmark detection due to the presence of irrelevant objects such as humans, cars, and trees, despite the remarkable progress achieved by previous models, especially…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Mohammad Javad Rajabi , Morteza Mirzai , Ahmad Nickabadi

In the reconstruction process of unknown multiple scattering objects in inverse medium scattering problems, the first important step is to effectively locate some approximate domains that contain all inhomogeneous media. Without such an…

Numerical Analysis · Mathematics 2015-06-12 Keji Liu , Jun Zou

We introduce a new method for location recovery from pair-wise directions that leverages an efficient convex program that comes with exact recovery guarantees, even in the presence of adversarial outliers. When pairwise directions represent…

Computer Vision and Pattern Recognition · Computer Science 2016-08-09 Thomas Goldstein , Paul Hand , Choongbum Lee , Vladislav Voroninski , Stefano Soatto

In this paper, we propose a robust visual tracking method which exploits the relationships of targets in adjacent frames using patchwise joint sparse representation. Two sets of overlapping patches with different sizes are extracted from…

Computer Vision and Pattern Recognition · Computer Science 2018-03-19 Hossein Kashiyani , Shahriar B. Shokouhi