New method for edges detection of magnetic sources using logistic function

• Date: 2018
• Main Authors: Pham, L. T., Oksum, E., Do, T. D., Huy, M. L.
• Format: Article
• Language: English
• Published: S. Subbotin Institute of Geophysics of the NAS of Ukraine 2018
• Subjects: logistic function; tilt angle; analytic signal amplitude; edge detection; interpretation of magnetic data
• Online Access: https://journals.uran.ua/geofizicheskiy/article/view/151033
• Journal Title: Geofizicheskiy Zhurnal

The tilt angle of the analytic signal amplitude (TA) is defined as the arctangent of the ratio of the first vertical derivative to the total horizontal derivative of the analytic signal amplitude. It is commonly used as a useful tool to estimate edges of magnetic sources because its value is slightl...