8,756 Hits in 3.9 sec

Aerial video surveillance and exploitation

R. Kumar, H. Sawhney, S. Samarasekera, S. Hsu, Hai Tao, Yanlin Guo, K. Hanna, A. Pope, R. Wildes, D. Hirvonen, M. Hansen, P. Burt
2001 Proceedings of the IEEE  
In this paper, we present a framework and details of the key components for real-time, automatic exploitation of aerial video for surveillance applications.  ...  There is growing interest in performing aerial surveillance using video cameras.  ...  temporal operations so they can be matched to salient image structure in the source video.  ... 
doi:10.1109/5.959344 fatcat:zmkbari6ijgvredoomfqwq3wi4

Geo-spatial aerial video processing for scene understanding and object tracking

Jiangjian Xiao, Hui Cheng, Feng Han, Harpreet Sawhney
2008 2008 IEEE Conference on Computer Vision and Pattern Recognition  
The input video is captured by low flying aerial platforms and typically consists of strong parallax from non-ground-plane structures.  ...  This paper presents an approach to extracting and using semantic layers from low altitude aerial videos for scene understanding and object tracking.  ...  We employ geo-referenced reference imagery available from open sources such as Terraserver and Google maps to perform video frame to reference imagery pose estimation.  ... 
doi:10.1109/cvpr.2008.4587434 dblp:conf/cvpr/XiaoCHS08 fatcat:5ejclvnxbzhypdro776px3ovma

Multi-source Multi-modal Activity Recognition in Aerial Video Surveillance

Riad I. Hammoud, Cem S. Sahin, Erik P. Blasch, Bradley J. Rhodes
2014 2014 IEEE Conference on Computer Vision and Pattern Recognition Workshops  
(voice-to-text) made by a human watching the streamed FMV from an aerial platform.  ...  In the context of this research, we deal with two unsynchronized data sources collected in real-world operating scenarios: full-motion videos (FMV) and analyst call-outs (ACO) in the form of chat messages  ...  Acknowledgments This work was supported under contract number FA8750-13-C-0099 from the Air Force Research laboratory.  ... 
doi:10.1109/cvprw.2014.44 dblp:conf/cvpr/HammoudSBR14 fatcat:p7pqnfbzefdplpm5eztcgk2lge

Mosaic-based Modeling and Rendering of Large-Scale Dynamic Scenes for Internet Applications

Edgardo Molina, Hao Tang, Zhigang Zhu, Olga Mendoza
2008 2008 IEEE National Aerospace and Electronics Conference  
Reconstructing scenes from video provides the benefit of containing dynamic activity and texture information of the scenes in addition to the 3D structure data.  ...  A lot of video currently exists on the Internet, many of which are of aerial scenes that are currently not being utilized to their full potential.  ...  Government is authorized to reproduce and distribute reprints for Governmental purposes notwithstanding any copyright notation thereon.  ... 
doi:10.1109/naecon.2008.4806566 fatcat:mrz7oew6vrbz7kzrhfoa6owe5q

Tactical 3D model generation using structure-from-motion on video from unmanned systems

Josh Harguess, Mark Bilinski, Kim B. Nguyen, Darren Powell, Robert E. Karlsen, Douglas W. Gage, Charles M. Shoemaker, Grant R. Gerhart
2015 Unmanned Systems Technology XVII  
The system streams imagery and video from an unmanned system (original data format) and then constructs a 3D model (new data medium) using structure-from-motion.  ...  Public reporting burden for the collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining  ...  Structure-from-motion (SfM) The main component of 3D model generation for our system is SfM.  ... 
doi:10.1117/12.2178426 fatcat:pjvk3e6gyfdxbci23zaukb3zay

A Novel Approach for Improving the Accuracy of Moving Objects Detection and Tracking using an Advanced Pattern Matching Technique

Matheswari Rajamanickam
2018 International Journal for Research in Applied Science and Engineering Technology  
Object tracking is very important in logical video surveillance system.  ...  Object detection and recognition used image processing techniques like image segmentation, classification and grouping of objects with pattern matching for addressing issues in different dimensions.  ...  The relationship of image object with contour detection and segmentation technique represents an elaboration of an open source software language and Open Source Computer Vision (Open CV) functions, and  ... 
doi:10.22214/ijraset.2018.4327 fatcat:sglo4wvzezcwvd4nf4iwd5i6bq

H.264 Sensor Aided Video Encoder for UAV BLOS Missions [chapter]

Cesario Vincenzo Angelino, Luca Cicala, Marco De Mizio, Paolo Leoncini, E. Baccaglini, M. Gavelli, N. Raimondo, R. Scopigno
2013 Lecture Notes in Computer Science  
This paper presents a new low-complexity H.264 encoder, based on x264 implementation, for Unmanned Aerial Vehicles (UAV) applications.  ...  The encoder employs a new motion estimation scheme which make use of the global motion information provided by the onboard navigation system.  ...  This model has been employed in the H.264 motion estimation system through its open source implementation x264 1 .  ... 
doi:10.1007/978-3-642-41184-7_76 fatcat:ipc7an2vyjcwbeuylzplli72du

An H.264 Sensor Aided Encoder for Aerial Video Sequences with In-the-Loop Metadata Enhancement [chapter]

Luca Cicala, Cesario Vincenzo Angelino, Nadir Raimondo, Enrico Baccaglini, Marco Gavelli
2015 Lecture Notes in Computer Science  
In this scenario, UAVs attitude and position metadata from the Inertial Navigation System (INS) can be employed to estimate global motion parameters without video analysis.  ...  Still image encoders are preferred when low frame rates are involved, because video coding systems are based on motion estimation and compensation algorithms which fail when the motion vectors are significantly  ...  The encoder is obtained by modifying the open source implementation of H.264/AVC video coding standard (ISO/IEC, 2006) x264 [9] and fully compliant with H.264.  ... 
doi:10.1007/978-3-319-25903-1_73 fatcat:cfijcnn67jgjxmj4d6i7fvhj34


L. Cicala, C. V. Angelino, G. Ruatta, E. Baccaglini, N. Raimondo
2015 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
In this scenario, UAVs attitude and position metadata from the Inertial Navigation System (INS) can be employed to estimate global motion parameters without video analysis.  ...  Still image system are preferred when low frame rates are involved, because video coding systems are based on motion estimation and compensation algorithms which fail when the motion vectors are significantly  ...  the distance of the aerial platform from the ground).  ... 
doi:10.5194/isprsannals-ii-3-w5-483-2015 fatcat:skipwx5e5zb63ii56tjupqaonu

A Bio-inspired Wing Driver for the Study of Insect-Scale Flight Aerodynamics [chapter]

Nick Gravish, Stacey Combes, Robert J. Wood
2014 Lecture Notes in Computer Science  
A challenge of centimeter or millimeter scale flight is that small forces are produced from relatively complex wing motions.  ...  Insect flight studies have advanced our understanding of flight biomechanics and inspire micro-aerial vehicle (MAV) technologies.  ...  Introduction Combined robotic and biological experiments have advanced our knowledge of the world of insect flight, and serve as a source of inspiration for the future design of micro-aerial vehicles (  ... 
doi:10.1007/978-3-319-09435-9_41 fatcat:462fft7grzgenjn3xzp53osbpy

Single Frame Based Video Geo-Localisation Using Structure Projection

C. Bodensteiner, S. Bullinger, S. Lemaire, M. Arens
2015 2015 IEEE International Conference on Computer Vision Workshop (ICCVW)  
We propose a framework for the fast determination of full 6-D georeferenced motion trajectories of online community drone video footage using geo-localized map data.  ...  This data may provide visual links from ground based sensors to aerial imagery.  ...  LiDAR Map Data and Preprocessing We use LiDAR scans from USGS covering the San Francisco Bay Area. We convert the data into our data format based on the open source PCL library.  ... 
doi:10.1109/iccvw.2015.136 dblp:conf/iccvw/BodensteinerBLA15 fatcat:43mish6kszfthcgunzwlxcriie

Realizing the Aerial Robotic Worker for Inspection Operations [article]

Kostas Alexis
2017 arXiv   pre-print
This report overviews a set of recent contributions in the field of path planning that were developed to enable the realization of the autonomous aerial robotic worker for inspection operations.  ...  to be inspected, full coverage, optimized and fast inspection path planning, as well as efficient exploration of completely unknown environments and structures.  ...  algorithms have been opens-sourced.  ... 
arXiv:1703.02640v1 fatcat:ybnm2ddvyzhczlabjgao5rzfye

The State of Aerial Surveillance: A Survey [article]

Kien Nguyen, Clinton Fookes, Sridha Sridharan, Yingli Tian, Feng Liu, Xiaoming Liu, Arun Ross
2022 arXiv   pre-print
This paper provides a comprehensive overview of human-centric aerial surveillance tasks from a computer vision and pattern recognition perspective.  ...  We then review and analyze the aerial datasets publicly available for each task, and delve deep into the approaches in the aerial literature and investigate how they presently address the aerial challenges  ...  Examples of images from this dataset are shown in Fig.8.IJB-S-UAV 2018 [67]:The IJB-S dataset is an open-source surveillance video benchmark from the Intelligence Advanced Research Projects Activity (IARPA  ... 
arXiv:2201.03080v2 fatcat:x7o6zgx2x5cwjkz5ftuizll7nu

Classification of Cinematographic Shots Using Lie Algebra and its Application to Complex Event Recognition

Subhabrata Bhattacharya, Ramin Mehran, Rahul Sukthankar, Mubarak Shah
2014 IEEE transactions on multimedia  
from motion techniques.  ...  In this paper, we propose a discriminative representation of a video shot based on its camera motion and demonstrate how the representation can be used for high level multimedia tasks like complex event  ...  We use the open source implementation available in [3] for this purpose.  ... 
doi:10.1109/tmm.2014.2300833 fatcat:qqqmd5ovhfh35gobqaovuxnwfa

Detection and Localisation of Life Signs from the Air Using Image Registration and Spatio-Temporal Filtering

Asanka G. Perera, Fatema-Tuz-Zohra Khanam, Ali Al-Naji, Javaan Chahl
2020 Remote Sensing  
Based on the dataset, the results showed good reliability for aerial videos and no errors for ground recorded videos where the average precision measures for aerial videos and ground recorded videos were  ...  We present a novel method to estimate the locations of people from aerial video using image and signal processing designed to detect breathing movements.  ...  We also thank MIT Computer Science and Artificial Intelligence Lab for making their motion magnification codes publicly available. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs12030577 fatcat:5iu4vqkv5vdmhkjbpex5cbznhq
« Previous Showing results 1 — 15 out of 8,756 results