Noise equivalent reflectance difference (NERD) vs. spatial resolution (SR) as a good measure for system performances

Meira Citroen; Guy Raz; Michael Berger

doi:10.1117/12.794632

25 August 2008 Noise equivalent reflectance difference (NERD) vs. spatial resolution (SR) as a good measure for system performances

Meira Citroen, Guy Raz, Michael Berger

Author Affiliations +

Proceedings Volume 7087, Remote Sensing System Engineering; 708705 (2008) https://doi.org/10.1117/12.794632
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

In system performance analysis, most often Signal to Noise Ratio (SNR) and system resolution (via MTF) are analyzed separately. In this paper we advocate the use of a joint measure, namely, the Noise Equivalent Reflectance Difference (NERD) as a function of the Spatial Resolution (SR). We demonstrate that the NERD vs. SR captures most of the essential properties of the system's performances and is therefore a useful tool in system evaluation. We demonstrate how various tradeoffs affect the NERD vs. SR curve in some not so trivial way.

Citation Download Citation

Meira Citroen, Guy Raz, and Michael Berger "Noise equivalent reflectance difference (NERD) vs. spatial resolution (SR) as a good measure for system performances", Proc. SPIE 7087, Remote Sensing System Engineering, 708705 (25 August 2008); https://doi.org/10.1117/12.794632

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