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In this paper, we present novel variations of an earlier approach called homogeneous clustering algorithm for reducing dataset size. The intuition behind the approaches proposed in this paper is to partition the dataset into homogeneous…

Machine Learning · Computer Science 2022-08-30 Shril Mody , Janvi Thakkar , Devvrat Joshi , Siddharth Soni , Rohan Patil , Nipun Batra

Cross-modal remote sensing text-image retrieval (RSCTIR) has recently become an urgent research hotspot due to its ability of enabling fast and flexible information extraction on remote sensing (RS) images. However, current RSCTIR methods…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Zhiqiang Yuan , Wenkai Zhang , Changyuan Tian , Xuee Rong , Zhengyuan Zhang , Hongqi Wang , Kun Fu , Xian Sun

The application of Vision-Language Models (VLMs) in remote sensing (RS) image understanding has achieved notable progress, demonstrating the basic ability to recognize and describe geographical entities. However, existing RS-VLMs are mostly…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Xianzhi Ma , Jianhui Li , Changhua Pei , Hao Liu

VOT remains a fundamental yet challenging task in computer vision due to dynamic appearance changes, occlusions, and background clutter. Traditional trackers, relying primarily on visual cues, often struggle in such complex scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Mohamad Alansari , Sajid Javed , Iyyakutti Iyappan Ganapathi , Sara Alansari , Muzammal Naseer

Object cutout is a fundamental operation for image editing and manipulation, yet it is extremely challenging to automate it in real-world images, which typically contain considerable background clutter. In contrast to existing cutout…

Computer Vision and Pattern Recognition · Computer Science 2016-09-19 Huayong Xu , Yangyan Li , Wenzheng Chen , Dani Lischinski , Daniel Cohen-Or , Baoquan Chen

Semantic aware reconstruction is more advantageous than geometric-only reconstruction for future robotic and AR/VR applications because it represents not only where things are, but also what things are. Object-centric mapping is a task to…

Computer Vision and Pattern Recognition · Computer Science 2021-02-16 Kejie Li , Hamid Rezatofighi , Ian Reid

In recent years, deep convolutional neural network (DCNN) has seen a breakthrough progress in natural image recognition because of three points: universal approximation ability via DCNN, large-scale database (such as ImageNet), and…

Computer Vision and Pattern Recognition · Computer Science 2020-01-13 Haifeng Li , Xin Dou , Chao Tao , Zhixiang Hou , Jie Chen , Jian Peng , Min Deng , Ling Zhao

Convolutional neural networks (CNN) have made significant advances in detecting roads from satellite images. However, existing CNN approaches are generally repurposed semantic segmentation architectures and suffer from the poor delineation…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Tinghuai Wang , Guangming Wang , Kuan Eeik Tan

As a pivotal task that bridges remote visual and linguistic understanding, Remote Sensing Image-Text Retrieval (RSITR) has attracted considerable research interest in recent years. However, almost all RSITR methods implicitly assume that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Qiya Song , Yiqiang Xie , Yuan Sun , Renwei Dian , Xudong Kang

We propose a new approach, named PolyMapper, to circumvent the conventional pixel-wise segmentation of (aerial) images and predict objects in a vector representation directly. PolyMapper directly extracts the topological map of a city from…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Zuoyue Li , Jan Dirk Wegner , Aurélien Lucchi

Hyperspectral imaging, also known as image spectrometry, is a landmark technique in geoscience and remote sensing (RS). In the past decade, enormous efforts have been made to process and analyze these hyperspectral (HS) products mainly by…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Danfeng Hong , Wei He , Naoto Yokoya , Jing Yao , Lianru Gao , Liangpei Zhang , Jocelyn Chanussot , Xiao Xiang Zhu

Recent advances in prompt learning have allowed users to interact with artificial intelligence (AI) tools in multi-turn dialogue, enabling an interactive understanding of images. However, it is difficult and inefficient to deliver…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Wei Zhang , Miaoxin Cai , Tong Zhang , Jun Li , Yin Zhuang , Xuerui Mao

Recently, the DETR framework has emerged as the dominant approach for human--object interaction (HOI) research. In particular, two-stage transformer-based HOI detectors are amongst the most performant and training-efficient approaches.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Frederic Z. Zhang , Yuhui Yuan , Dylan Campbell , Zhuoyao Zhong , Stephen Gould

Image vectorization is a powerful technique that converts raster images into vector graphics, enabling enhanced flexibility and interactivity. However, popular image vectorization tools struggle with occluded regions, producing incomplete…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Ronghuan Wu , Wanchao Su , Jing Liao

The rich textual information of large vision-language models (VLMs) combined with the powerful generative prior of pre-trained text-to-image (T2I) diffusion models has achieved impressive performance in single-image super-resolution (SISR).…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Haodong He , Yancheng Bai , Rui Lan , Xu Duan , Lei Sun , Xiangxiang Chu , Gui-Song Xia

Holographic particle image velocimetry allows tracking particle trajectories in time and space by means of holography. However, the drawback of the technique is that in the three-dimensional particle distribution reconstructed from a…

Optics · Physics 2017-08-08 Tatiana Latychevskaia , Hans-Werner Fink

Visual object tracking is a fundamental video task in computer vision. Recently, the notably increasing power of perception algorithms allows the unification of single/multiobject and box/mask-based tracking. Among them, the Segment…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Jiawen Zhu , Zhenyu Chen , Zeqi Hao , Shijie Chang , Lu Zhang , Dong Wang , Huchuan Lu , Bin Luo , Jun-Yan He , Jin-Peng Lan , Hanyuan Chen , Chenyang Li

We introduce AllTracker: a model that estimates long-range point tracks by way of estimating the flow field between a query frame and every other frame of a video. Unlike existing point tracking methods, our approach delivers…

We introduce Complet4R, a novel end-to-end framework for Geometric Complete 4D Reconstruction, which aims to recover temporally coherent and geometrically complete reconstruction for dynamic scenes. Our method formalizes the task of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Weibang Wang , Kenan Li , Zhuoguang Chen , Yijun Yuan , Hang Zhao

State-of-the-art two-stage object detectors apply a classifier to a sparse set of object proposals, relying on region-wise features extracted by RoIPool or RoIAlign as inputs. The region-wise features, in spite of aligning well with the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Zhao-Min Chen , Xin Jin , Borui Zhao , Xiu-Shen Wei , Yanwen Guo