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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ozsarac, S. Akgul, M. |
| Copyright Year | 2010 |
| Description | Author affiliation: TÜBÍTAK - UEKAE / G209 Gebze, Kocaeli (Akgul, M.) || TÜBÍTAK - UEKAE / İLTAREN Şehit Yzb. İlhan Tan Kışlası, 06800, Ümitköy, Ankara (Ozsarac, S.) |
| Abstract | Rosette scan seekers transform the infrared radiation of the targets that are in the field of view into modulation signal in the detector by rosette scanning. It obtains the spatial coordinates of the targets by using the time values of the pulses in the modulation signal. It uses a low pass filter in the processor of the seeker in order to filter the noise in the modulation signal. However, low pass filter may cause the loss of some information regarding the targets in the modulated signal depending on its cutoff frequency. To prevent possible information loss, a lower limit analysis of the cutoff frequency of the low pass filter is made using the rosette pattern parameters. Moreover, analysis of the centroid methods used in the clustering algorithms that run after obtaining the spatial locations of the target is made. A novel centroid method is proposed, which has results approximately 2 times better than the methods in the literature. |
| Starting Page | 364 |
| Ending Page | 367 |
| File Size | 324663 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424496723 |
| e-ISBN | 9781424496716 |
| DOI | 10.1109/SIU.2010.5653384 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-04-22 |
| Publisher Place | Turkey |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Integrated optics Algorithm design and analysis Solid modeling Cutoff frequency Modulation Optical imaging Feature extraction |
| Content Type | Text |
| Resource Type | Article |
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