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http://dx.doi.org/10.7780/kjrs.2019.35.6.1.3

Quality Analysis of GCP Chip Using Google Map  

Park, Hyeongjun (Department of Geoinfomatic Engineering, Inha University)
Son, Jong-Hwan (Department of Geoinfomatic Engineering, Inha University)
Shin, Jung-Il (Research Center of Geoinfomatic Engineering, Inha University)
Kweon, Ki-Eok (Technical Division, Shin Han Aerial Surveying Co., LTD)
Kim, Taejung (Department of Geoinfomatic Engineering, Inha University)
Publication Information
Korean Journal of Remote Sensing / v.35, no.6_1, 2019 , pp. 907-917 More about this Journal
Abstract
Recently, the demand for high-resolution satellite images increases in many fields such as land monitoring and terrain analysis. Therefore, the need for geometric correction is increasing. As an automatic precision geometric correction method, there is a method of automatically extracting the GCP by matching between the GCP Chip and the satellite image. For automatic precision geometric correction, the success rate of matching GCP Chip and satellite image is important. Therefore, it is important to evaluate the matching performance of the manufactured GCP Chip. In order to evaluate the matching performance of GCP Chips, a total of 3,812 GCP Chips in South Korea were used as experimental data. The GCP Chip matching results of KOMPSAT-3A and Google Map showed similar matching results. Therefore, we determined that Google Map satellite imagery could replace high-resolution satellite imagery. Also, presented a method using center point and error radius of Google Map to reduce the time required to verify matching performance. As a result, it is best to set the optimum error radius to 8.5m. Evaluated the matching performance of GCP Chips in South Korea using Google Maps. And verified matching result using presented method. As a result, the GCP Chip s in South Korea had a matching success rate of about 94%. Also, the main matching failure factors were analyzed by matching failure GCP Chips. As a result, Except for GCP Chips that need to be remanufactured, the remaining GCP Chips can be used for the automatic geometric correction of satellite images.
Keywords
GCP Chip image; bundle adjustment;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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