Lightweight Multispectral Camera Calibration for Photogrammetric Applications

The recent development of lightweight and small multispectral cameras has allowed the multispectral imagery acquired from either drone or terrestrial platform. A variety of multispectral sensors in the market are mostly designed for agriculture applications, nevertheless, gives benefits to different field such as cultural heritage which recording and documenting the object in the visible and invisible wavelengths. This paper describes the extraction of the geometric parameters of the lightweight multispectral camera, which calibrated using photogrammetric self-calibration bundle adjustment technique. The results show the variation of calibrated parameters, due to the different wavelengths. The elements of interior orientation parameters across all bands, and the consistency of the radial distortion coefficient also tested with statistics to show the significance of the calibrated parameter for photogrammetric applications.