4Zhang Z A Flexible. New Technique for Camera Calibration [J ]. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2000,22( 11 ):1330 - 1334.
5Eos Systems Inc. PhotoModeler Pro5.0 User Manual [M]. American: Eos Systems Inc.,2004.
4Forsman M, B6rlin N, Holren J. Estimation of tree stem attributes using terrestrial photogrammetry [J]- International Archives of the Photograrnmetry, Remote Sensing and Spatial Information Sciences , 2012,39(B5) :261-265.
5EOS System Company. PhotoModeler Motion 2014.
6Hemdn-P6rez A S, Dominguez M G, Gonzdlez C R, et al. Using IPhone camera in photomodeler for the 3D architecture s survey of a sculpture as practice for " ' students[J]. Procedia Computer Science, 2013, 25.. 345-347.
7Abbas Z Khalfa, Imzahim Abdul Kareem Alwan, Ay- sat Jameel. Accuracy assesment of non-metric digital camera calibration in close range photogrammetry [J]. Eng Tech Journal, Part (A), 2013, 31 (9): 1753-1764.
