Optical Imaging Sensors and Systems for Homeland Security by Bahram Javidi
By Bahram Javidi
Optical and photonic structures and units have major capability for native land safety. «Optical Imaging Sensors and structures for native land protection purposes» provides unique and critical technical contributions from leaders of undefined, govt, and academia within the box of optical and photonic sensors, platforms and units for detection, id, prevention, sensing, safety, verification and anti-counterfeiting.
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Additional info for Optical Imaging Sensors and Systems for Homeland Security Applications (Advanced Sciences and Technologies for Security Applications)
Example text
Appl. , 41:4124. O Matoba, TJ Naughton, Y Frauel, N Bertaux and B Javidi. (2002). Appl. , 41:6187. B Javidi and F Okano. (2002). Three-dimensional Television, Video, and Display Technologies. Springer, Berlin. M Rabbani. (1992). ’’ SPIE Milestone Series MS48. SPIE Press, Bellingham, W. JW Goodman and AM Silvestri. (1970). IBM J. Res. , 14:478. WJ Dallas and AW Lohmann. (1972). Appl. Opt. 11:192. T Nomura, A Okazaki, M Kameda, Y Morimoto and B Javidi. (2001). Proc. SPIE, 4471:235. TJ Naughton, JB Mc Donald and B Javidi.
The responses we desire for these input images are ‘‘1’’ for the output neuron corresponding to the correct orientation and ‘‘0’’ for the other neurons. We can compute the values of the correlation peaks provided by the filters for every image. This gives us the training input vectors for the second layer. 27 Once the network is designed, we present as inputs the same 27 reconstructed test images we used when testing the first layer. 16 (b) shows the error rates of the classification versus the threshold value.
1992). Optical Signal Processing. John Wiley, New York. [33] Weaver CS and Goodman JW. (1966). ’’ Appl. , 5:1248{1249. [34] Yamaguchi I and Zhang T. (1997). ’’ Opt. , 22:1268{1270. 0 Introduction An important aspect of security and defense is information gathering, dissemination, processing, and analysis. Central to this is the encryption and decryption of messages for storage and transmission. Although public key cryptosystems are the state of the art currently, there is a place for private key systems in cases where hardware implementation permits very high throughputs.