Abstract
Imaging gaps will appear in the field of view for a mapping camera due to the convergence angle when it uses a interleaving assembly of focal plane.In order to solve the problem above,an algorithm of minimum overlapping pixels was proposed by considering convergence angle and without camera pitch.Firstly,an imaging model for the front view camera was established according to the imaging principle of mapping camera.The reason that imaging gaps appear was analyzed.Then,the mathematical expressions of imaging gaps and overlaps of odd and even quantity CCD assemblies were derived,the formula for computing the minimum number overlapping pixels between adjacent CCDs that can avoid the imaging gaps was obtained,and the error was analyzed.Finally,the algorithm was applied to an engineering example,and the effect of earth curvature was analyzed.The instance shows that the imaging gaps and the minimum number of overlapping pixels in the engineering instance are 1 141.491 μm and 115 in maximum respectively.It indicates that the proposed algorithm can calculate the minimum number of overlapping pixels of the mapping camera and the theoretical error is less than 1 pixel.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
