ISAT Direct Exterior Orientation QA / QC Strategy Using POS Data

This paper describes the quality assurance and quality control (QA/QC) tools currently planned and under implementation in the Z/I ImageStation Automatic Triangulation (ISAT) product for imagery acquired by an aerial camera and Applanix POS/AV navigation system. First, a description of the ISAT product with its user interface with the Applanix POSEO package is given. Then, a description on using the EO data in mapping applications is presented. Instead of using the full capabilities of an automatic aerial triangulation, the QA/QC procedure is designed to lessen the amount of work needed to check the quality of the GPS, IMU, and GCP data using different schemes, such as performing a statistical analysis on image/object space intersection using digital images and the GPS/IMU data. Numerical results of using the ISAT’s QA/QC strategies on the OEEPE data set are also presented.