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Hyperspectral image (HSI) classification is challenging due to spatial variability caused by complex imaging conditions. Prior methods suffer from limited representation ability, as they train specially designed networks from scratch on…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Di Wang , Jing Zhang , Bo Du , Liangpei Zhang , Dacheng Tao

As an emerging data modal with precise distance sensing, LiDAR point clouds have been placed great expectations on 3D scene understanding. However, point clouds are always sparsely distributed in the 3D space, and with unstructured storage,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Jiajun Deng , Wengang Zhou , Yanyong Zhang , Houqiang Li

An object's geocentric pose, defined as the height above ground and orientation with respect to gravity, is a powerful representation of real-world structure for object detection, segmentation, and localization tasks using RGBD images. For…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Gordon Christie , Rodrigo Rene Rai Munoz Abujder , Kevin Foster , Shea Hagstrom , Gregory D. Hager , Myron Z. Brown

In image retrieval, deep local features learned in a data-driven manner have been demonstrated effective to improve retrieval performance. To realize efficient retrieval on large image database, some approaches quantize deep local features…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Hui Wu , Min Wang , Wengang Zhou , Yang Hu , Houqiang Li

This project aims to develop a robust video surveillance system, which can segment videos into smaller clips based on the detection of activities. It uses CCTV footage, for example, to record only major events-like the appearance of a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Shahran Rahman Alve

Cross-resolution image alignment is a key problem in multiscale gigapixel photography, which requires to estimate homography matrix using images with large resolution gap. Existing deep homography methods concatenate the input images or…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Ruizhi Shao , Gaochang Wu , Yuemei Zhou , Ying Fu , Yebin Liu

In this paper, we propose HiTSR, a hierarchical transformer model for reference-based image super-resolution, which enhances low-resolution input images by learning matching correspondences from high-resolution reference images. Diverging…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Masoomeh Aslahishahri , Jordan Ubbens , Ian Stavness

Recently, biological perception has been a powerful tool for handling the camouflaged object detection (COD) task. However, most existing methods are heavily dependent on the local spatial information of diverse scales from convolutional…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Yanguang Sun , Hanyu Xuan , Jian Yang , Lei Luo

Holistic understanding of urban scenes based on RGB images is a challenging yet important problem. It encompasses understanding both the geometry and appearance to enable novel view synthesis, parsing semantic labels, and tracking moving…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Hongyu Zhou , Jiahao Shao , Lu Xu , Dongfeng Bai , Weichao Qiu , Bingbing Liu , Yue Wang , Andreas Geiger , Yiyi Liao

Recovering dense and long-range pixel motion in videos is a challenging problem. Part of the difficulty arises from the 3D-to-2D projection process, leading to occlusions and discontinuities in the 2D motion domain. While 2D motion can be…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Yuxi Xiao , Qianqian Wang , Shangzhan Zhang , Nan Xue , Sida Peng , Yujun Shen , Xiaowei Zhou

Jointly integrating aspect ratio and context has been extensively studied and shown performance improvement in traditional object detection systems such as the DPMs. It, however, has been largely ignored in deep neural network based…

Computer Vision and Pattern Recognition · Computer Science 2017-03-23 Bo Li , Tianfu Wu , Shuai Shao , Lun Zhang , Rufeng Chu

Object recognition in the presence of background clutter and distractors is a central problem both in neuroscience and in machine learning. However, the performance level of the models that are inspired by cortical mechanisms, including…

Computer Vision and Pattern Recognition · Computer Science 2014-10-29 Reza Moazzezi

Abundant, well-annotated multimodal data in remote sensing are pivotal for aligning complex visual remote sensing (RS) scenes with human language, enabling the development of specialized vision language models across diverse RS…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Junyao Ge , Xu Zhang , Yang Zheng , Kaitai Guo , Jimin Liang

Recent advancements in remote sensing technology have resulted in petabytes of data in raster format. This data is often processed in combination with high resolution vector data that represents, for example, city boundaries. One of the…

Databases · Computer Science 2020-10-15 Samriddhi Singla , Ahmed Eldawy

Every Scene Text Recognition (STR) task consists of text localization \& text recognition as the prominent sub-tasks. However, in real-world applications with fixed camera positions such as equipment monitor reading, image-based data entry,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 P. N. Deelaka , D. R. Jayakodi , D. Y. Silva

Rendering an accurate image of an isosurface in a volumetric field typically requires large numbers of data samples. Reducing the number of required samples lies at the core of research in volume rendering. With the advent of deep learning…

Graphics · Computer Science 2022-05-31 Sebastian Weiss , Mengyu Chu , Nils Thuerey , Rüdiger Westermann

Image-text retrieval (ITR) plays a significant role in making informed decisions for various remote sensing (RS) applications. Nonetheless, creating ITR datasets containing vision and language modalities not only requires significant…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yuanxin Zhao , Mi Zhang , Bingnan Yang , Zhan Zhang , Jiaju Kang , Jianya Gong

Effectively grounding complex language to pixels in remote sensing (RS) images is a critical challenge for applications like disaster response and environmental monitoring. Current models can parse simple, single-target commands but fail…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Zepeng Xin , Kaiyu Li , Luodi Chen , Wanchen Li , Yuchen Xiao , Hui Qiao , Weizhan Zhang , Deyu Meng , Xiangyong Cao

Remote sensing provides valuable information about objects or areas from a distance in either active (e.g., RADAR and LiDAR) or passive (e.g., multispectral and hyperspectral) modes. The quality of data acquired by remotely sensed imaging…

Image and Video Processing · Electrical Eng. & Systems 2022-11-22 Benhood Rasti , Yi Chang , Emanuele Dalsasso , Loïc Denis , Pedram Ghamisi

The rapid growth of hyperspectral data archives in remote sensing (RS) necessitates effective compression methods for storage and transmission. Recent advances in learning-based hyperspectral image (HSI) compression have significantly…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Martin Hermann Paul Fuchs , Behnood Rasti , Begüm Demir