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Author : Jiesheng Wang
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.:/5 (278 download)
Download or read book Invariant Automatic Target Recognition written by Jiesheng Wang and published by . This book was released on 1992 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arthur V. Forman
Publisher :
ISBN 13 :
Total Pages : 604 pages
Book Rating : 4.:/5 (267 download)
Download or read book Systolic Implementation of Viewpoint Invariant Automatic Target Recognition written by Arthur V. Forman and published by . This book was released on 1992 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Firooz Sadjadi
Publisher : Springer Science & Business Media
ISBN 13 : 0387369430
Total Pages : 269 pages
Book Rating : 4.3/5 (873 download)
Download or read book Physics of Automatic Target Recognition written by Firooz Sadjadi and published by Springer Science & Business Media. This book was released on 2007-09-04 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines the roles of sensors, physics–based attributes, classification methods, and performance evaluation in automatic target recognition. It details target classification from small mine–like objects to large tactical vehicles. Also explored in the book are invariants of sensor and transmission transformations, which are crucial in the development of low latency and computationally manageable automatic target recognition systems.
Author : Gregory J. Meyer
Publisher :
ISBN 13 : 9781423503118
Total Pages : 104 pages
Book Rating : 4.5/5 (31 download)
Download or read book Classification of Radar Targets Using Invariant Features written by Gregory J. Meyer and published by . This book was released on 2003-04-01 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Automatic target recognition (ATR) using radar commonly relies on modeling a target as a collection of point scattering centers, Features extracted from these scattering centers for input to a target classifier may be constructed that are invariant to translation and rotation, i.e., they are independent of the position and aspect angle of the target in the radar scene. Here an iterative approach for building effective scattering center models is developed, and the shape space of these models is investigated. Experimental results are obtained for three-dimensional scattering centers compressed to nineteen-dimensional feature sets, each consisting of the singular values of the matrix of scattering center locations augmented with the singular values of its second and third order monomial expansions. These feature sets are invariant to translation and rotation and permit%it the comparison of targets modeled by different numbers of scattering centers. A metric distance metric is used that effectively identifies targets under "real world" conditions that include noise and obscuration.
Author :
Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.3/5 (91 download)
Download or read book Automatic Target Recognition written by and published by . This book was released on 2007 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.:/5 (227 download)
Download or read book A Novel Optoelectronic System for Distortion-Invariant ATR. written by and published by . This book was released on 1994 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proposed idea is to enhance existing optical correlation based automatic target recognition (ATR) by introducing scale, translation, and rotation invariance (STRI). Previously, STRI was achieved by utilizing a library of matched filters corresponding to various positions of rotation and scale variation. We find that simple preprocessing can eliminate the need for the library since any STR changes in the input image can be nullified by bringing an input image to what we call its archetype. Physical Optics Corporation's (POC's) new approach includes a segmentation preprocessor (required to select any potential object of interest in an image of a realistic scene), POC's invariant preprocessor, and a standard optical correlator. This combination will greatly increase recognition speed and will simplify the recognition training procedure since only one in-plane position of the target will be needed to provide STRI recognition. The Phase I research described in this report opened a new approach to invariant ATR in which in-phase object position will no longer be of concern and, therefore, the best matched filter can be exploited to attain maximum confidence of identification. This should result in the development of hardware capable of operating in a real-time mode.
Author : Jezekiel Ben-Arie
Publisher :
ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.:/5 (455 download)
Download or read book Automatic Target Recognition and Indexing by Non-Orthogonal Image Expansion and Data-Dependent Normalization with Implementation written by Jezekiel Ben-Arie and published by . This book was released on 1997 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research is concerned with the development of a neural system for robust projective-invariant recognition of multiple targets which may be partially occluded in a cluttered background based on single gray-level images. For this purpose we have developed in the research a new method for affine-invariant iconic representation and recognition of targets using a novel set of Gabor/Fourier kernels with multi-dimensional indexing in the frequency domain. An affine-invariant representation of local image patches is extracted in the form of spectral signatures, by directly convolving the image with our novel configuration of these kernels. We achieved 100% correct recognition rates with a model library of 26 models over a wide range of viewing poses and distances (360 of rotation and tilt and 82 of slant and 4 octaves of scale). The system also maintains its 100% recognition rate in high levels of noise/clutter (up to -17 dB) and to resolution degradation (1:5 reduction). A novel method for representation and recognition of 3D Object/Targets based on 3D frequency domain representation was also developed and tested.
Author :
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (227 download)
Download or read book Invariant Target Recognition Using Self-Organizing Networks written by and published by . This book was released on 1990 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents an overview of neural network technology and specifics of the self-organizing networks. An artificial neural network is described which recognizes objects regardless of their spatial orientation. This network is invariant to rotation, scale, and translation. Invariance is built into the network by introducing a unique set of features which were developed in-house. This overcame the two shortcomings of long training times and combinatorial explosion of terms often present in other networks. Preliminary results suggest that with further refinement and enhancement, the system described in this report will have the capability to reliably recognize targets under adverse environmental conditions.
Author : Bruce Jay Schachter
Publisher :
ISBN 13 : 9781510618565
Total Pages : 0 pages
Book Rating : 4.6/5 (185 download)
Download or read book Automatic Target Recognition written by Bruce Jay Schachter and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This third edition of Automatic Target Recognition provides a roadmap for breakthrough ATR designs with increased intelligence, performance, and autonomy. Clear distinctions are made between military problems and comparable commercial Deep Learning problems. These considerations need to be understood by ATR engineers working in the defense industry as well as by their government customers. A reference design is provided for a next-generation ATR that can continuously learn from and adapt to its environment. The convergence of diverse forms of data on a single platform supports new capabilities and improved performance. This third edition broadens the notion of ATR to multisensor fusion. Radical continuous-learning ATR architectures, better integration of data sources, well-packaged sensors, and low-power teraflop chips will enable transformative military designs"--
Author :
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.3/5 (91 download)
Download or read book Automatic Object Recognition written by and published by . This book was released on 1996 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Steven E. Troxel
Publisher :
ISBN 13 :
Total Pages : 137 pages
Book Rating : 4.:/5 (227 download)
Download or read book Position, Scale, and Rotation Invariant Target Recognition Using Range Imagery written by Steven E. Troxel and published by . This book was released on 1987 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis explores a new approach to the recognition of tactical targets using a multifunction laser radar sensor. Targets of interest were tanks, jeeps, and trucks. Doppler images were segmented and overlaided onto a relative range image. The resultant shapes were then transformed into a position, scale, and rotation invariant (PSRI) feature space. The classification processes used the correlation peak of the template PSRI space and the target PSRI space as features. Two classification methods were implemented: a classical distance measurement approach and a new biologically-based neural network multilayer perception architecture. Both methods demonstrated classification rates near 100% with a true rotation invariance demonstrated up to 20 degrees. Neural networks were shown to have a distinct advantage in a robust environment and when a figure of merit criteria was applied. A space domain correlation was developed using local normalization and multistage processing to locate and classify targets in high clutter and with partially occluded targets.
Author : Ronald G. Driggers
Publisher : CRC Press
ISBN 13 : 9780824742508
Total Pages : 1240 pages
Book Rating : 4.7/5 (425 download)
Download or read book Encyclopedia of Optical Engineering: Abe-Las, pages 1-1024 written by Ronald G. Driggers and published by CRC Press. This book was released on 2003 with total page 1240 pages. Available in PDF, EPUB and Kindle. Book excerpt: PRINT/ONLINE PRICING OPTIONS AVAILABLE UPON REQUEST [email protected]
Author : Firooz A. Sadjadi
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 : 9780819428202
Total Pages : 616 pages
Book Rating : 4.4/5 (282 download)
Download or read book Automatic Target Recognition VIII written by Firooz A. Sadjadi and published by SPIE-International Society for Optical Engineering. This book was released on 1998 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work explores automatic target recognition (ATR). It is divided into sections which look at topics such as: advanced systems for ATR, including airborne video surveillance; multisensor ATR; and adaptive and learning techniques for ATR.
Author : Frédéric Cao
Publisher : Springer Science & Business Media
ISBN 13 : 3540684808
Total Pages : 260 pages
Book Rating : 4.5/5 (46 download)
Download or read book A Theory of Shape Identification written by Frédéric Cao and published by Springer Science & Business Media. This book was released on 2008-08-28 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent years have seen dramatic progress in shape recognition algorithms applied to ever-growing image databases. They have been applied to image stitching, stereo vision, image mosaics, solid object recognition and video or web image retrieval. More fundamentally, the ability of humans and animals to detect and recognize shapes is one of the enigmas of perception. The book describes a complete method that starts from a query image and an image database and yields a list of the images in the database containing shapes present in the query image. A false alarm number is associated to each detection. Many experiments will show that familiar simple shapes or images can reliably be identified with false alarm numbers ranging from 10-5 to less than 10-300. Technically speaking, there are two main issues. The first is extracting invariant shape descriptors from digital images. Indeed, a shape can be seen from various angles and distances and in various lights.
Author : Francis T. S. Yu
Publisher : Cambridge University Press
ISBN 13 : 9780521465175
Total Pages : 460 pages
Book Rating : 4.4/5 (651 download)
Download or read book Optical Pattern Recognition written by Francis T. S. Yu and published by Cambridge University Press. This book was released on 1998-06-28 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive review of optical pattern recognition techniques and implementations, for graduate students and researchers.
Author : Bir Bhanu
Publisher : Springer Science & Business Media
ISBN 13 : 1846280656
Total Pages : 322 pages
Book Rating : 4.8/5 (462 download)
Download or read book Computer Vision Beyond the Visible Spectrum written by Bir Bhanu and published by Springer Science & Business Media. This book was released on 2006-03-30 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, there has been a dramatic increase in the use of sensors in the non-visible bands. As a result, there is a need for existing computer vision methods and algorithms to be adapted for use with non-visible sensors, or for the development of completely new methods and systems. Computer Vision Beyond the Visible Spectrum is the first book to bring together state-of-the-art work in this area. It presents new & pioneering research across the electromagnetic spectrum in the military, commercial, and medical domains. By providing a detailed examination of each of these areas, it focuses on the development of state-of-the-art algorithms and looks at how they can be used to solve existing & new challenges within computer vision. Essential reading for academics & industrial researchers working in the area of computer vision, image processing, and medical imaging, it will also be useful background reading for advanced undergraduate & postgraduate students.
Author :
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.F/5 ( download)
Download or read book Automatic Object Recognition written by and published by . This book was released on 1996 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
