Conceptual design of the CZMIL data acquisition system (DAS): integrating a new bathymetric lidar with a commercial spectrometer and metric camera for coastal mapping applications

Eran Fuchs; Grady Tuell

doi:10.1117/12.851919

12 May 2010 Conceptual design of the CZMIL data acquisition system (DAS): integrating a new bathymetric lidar with a commercial spectrometer and metric camera for coastal mapping applications

Eran Fuchs; Grady Tuell

Author Affiliations +

Proceedings Volume 7695, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVI; 76950U (2010) https://doi.org/10.1117/12.851919
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

The CZMIL system is a new generation airborne bathymetric and topographic remote sensing platform composed of an active lidar, passive hyperspectral imager, high resolution frame camera, navigation system, and storage media running on a linux-based Gigabit Ethernet network. The lidar is a hybrid scanned-flash system employing a 10 KHz green laser and novel circular scanner, with a large aperture receiver (0.20m) having multiple channels. A PMT-based segmented detector is used on one channel to support simultaneous topographic and bathymetric data collection, and multiple fields-of- view are measured to support bathymetric measurements. The measured laser returns are digitized at 1 GHz to produce the waveforms required for ranging measurements, and unique data compression and storage techniques are used to address the large data volume. Simulated results demonstrate CZMIL's capability to discriminate bottom and surface returns in very shallow water conditions without compromising performance in deep water. Simulated waveforms are compared with measured data from the SHOALS system and show promising expected results. The system's prototype is expected to be completed by end of 2010, and ready for initial calibration tests in the spring of 2010.

Citation Download Citation

Eran Fuchs, Eran Fuchs, Grady Tuell, Grady Tuell, } "Conceptual design of the CZMIL data acquisition system (DAS): integrating a new bathymetric lidar with a commercial spectrometer and metric camera for coastal mapping applications", Proc. SPIE 7695, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVI, 76950U (12 May 2010); doi: 10.1117/12.851919; https://doi.org/10.1117/12.851919

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