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Author :
Publisher :
ISBN 13 :
Total Pages : 632 pages
Book Rating : 4.3/5 (91 download)
Download or read book Targets and Backgrounds written by and published by . This book was released on 1995 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pieter A. Jacobs
Publisher : SPIE Press
ISBN 13 : 9780819460820
Total Pages : 206 pages
Book Rating : 4.4/5 (68 download)
Download or read book Thermal Infrared Characterization of Ground Targets and Backgrounds written by Pieter A. Jacobs and published by SPIE Press. This book was released on 2006 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition updates the technologies that deal with the characterization of the thermal infrared radiation contrast between ground targets and backgrounds. Samples have been updated to comply with the current status of technology in sensor systems and countermeasures. New topics on mine detection and polarization have been included, and the section covering multispectral camouflage of personnel has been extended. The basic principles and meteorological parameters are presented, followed by calibration procedures, signature measurements, and data analyses.
Author : Harold P. Bishop
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (91 download)
Download or read book Absolute Identification of Color for Targets Presented Against White and Colored Backgrounds written by Harold P. Bishop and published by . This book was released on 1961 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: The number of stimulus colors which can be absolutely identified by normal subjects when viewed against various colored backgrounds was investigated. Additive mixtures of light passed through narrow-band and Illuminant-C filters were projected onto a viewing screen by a device wich permitted independent control of target and background characteristics. The stimulus parameters of hue, luminance, purity, target size, and target shape were varied, and the effects of such factors as training and the presence of a distracting task were studied. With target luminance above background luminance, about nine hues plus white, three luminance levels, and two purity levels, are estimated to be useful for operational coding, if no more than about 30 of the possible combinations are included in the set. Under optimal working conditions and with protracted training, the maximum size of an identifiable set is estimated to be about 60. Reduction of target luminance below the luminance of a colored background was found to make identification very difficult. No significant effect of target shape was found. (Author).
Download or read book Targets and Backgrounds XII written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tisha Reid
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (392 download)
Download or read book Visual Search Using 2-D and 3-D Targets on Complex Backgrounds Compared to Blank Backgrounds written by Tisha Reid and published by . This book was released on 1997 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.3/5 (91 download)
Download or read book Targets and Backgrounds written by and published by . This book was released on 2006 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Targets and Backgrounds IX written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wendell R. Watkins
Publisher : Society of Photo Optical
ISBN 13 : 9780819440655
Total Pages : 326 pages
Book Rating : 4.4/5 (46 download)
Download or read book Targets and Backgrounds VII written by Wendell R. Watkins and published by Society of Photo Optical. This book was released on 2001 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (227 download)
Download or read book Absolute Identification of Color for Targets Presented Against White and Colored Backgrounds written by and published by . This book was released on 1961 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The number of stimulus colors which can be absolutely identified by normal subjects when viewed against various colored backgrounds was investigated. Addi iv ixtures of light passed through narrow-band and Illuminant-C FILTERS WERE PRO CTED ONTO A VIEWING SCREEN BY A DEVICE WHICH PERMITTED INDEPENDENT CONTROL OF TARGET AND BACKGROUND CHARACTERISTICS. The stimulus parameters of hue, luminance, purity, target size, and target shape were varied, and the effects of such factors as training and the presence of a distracting task were studied. With target luminance above background luminance, about nine hues plus white, three luminance levels, and two purity levels, are estimated to be useful for operational coding, if no more than about 30 of the possible combinations are included in the set. Under optimal working conditions and with protracted training, the maximum size of an identifiable set is estimated to be about 60. Reduction of target luminance below the luminance of a colored background was found to make identification very difficult. No significant effect of target shape was found. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (45 download)
Download or read book Précis de l'uniforme général, pour les Officiers, Sous-Officiers, Grenadiers et Fusiliers de la Garde Nationale de Lyon, réglé par l'Etat-Major-Général, élus written by and published by . This book was released on 1792 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Targets and Backgrounds X written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William James Wallace (Jr)
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (227 download)
Download or read book An Investigation of Target Enhancement Using Colored Backgrounds on a Simulated Radar Display written by William James Wallace (Jr) and published by . This book was released on 1971 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study investigated the hypothesis that sequential changes of background color on a simulated radar display enhances target detectability. Two experiments were conducted wherein target detectability was assessed in terms of the accuracy in which subjects determined the presence of a randomly appearing target symbol imbedded in visual noise. The first experiment tested 30 subjects to determine the relative detectability of targets among display backgrounds of homogeneous color and backgrounds presenting abrupt changes of color. The second experiment tested 24 subjects to determine if the speed and/or sequence of background color change affected target detectability. Results of the study showed that homogeneous green or blue backgrounds significantly enhanced target detectability when compared to the sequentially changing colored background, and that speed and sequence of background color change have little effect. The study also showed colored backgrounds to enhance target detectability when compared to the conventional method of radar display. (Author).
Author : Wendell R. Watkins
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 : 9780819421234
Total Pages : 474 pages
Book Rating : 4.4/5 (212 download)
Download or read book Targets and Backgrounds written by Wendell R. Watkins and published by SPIE-International Society for Optical Engineering. This book was released on 1996 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wendell R. Watkins
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 : 9780819436559
Total Pages : 0 pages
Book Rating : 4.4/5 (365 download)
Download or read book Targets and Backgrounds VI written by Wendell R. Watkins and published by SPIE-International Society for Optical Engineering. This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David M. Johnson
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Effect of Target Background and Aspect Angle on Performance of Stinger Teams in the Realistic Air Defense Engagement System (RADES) written by David M. Johnson and published by . This book was released on 1988 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Targets and Backgrounds X written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Russell
Publisher : James Russell Publishing
ISBN 13 : 0916367096
Total Pages : 190 pages
Book Rating : 4.9/5 (163 download)
Download or read book Trap Shooting Secrets written by James Russell and published by James Russell Publishing. This book was released on 1997 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: With over 132 practice tips and more than 100 illustrations, reading this guide is like having a personal shooting coach. This huge technical book teaches techniques of professional trap shooting; singles, handicap and double trap.
