Modeling of pan-tilt-zoom cameras for tracking measurement

Yan-qiong Shi; Rong-Sheng Lu; Ning Chen; Rui-xue Xia

doi:10.1117/12.885221

28 December 2010 Modeling of pan-tilt-zoom cameras for tracking measurement

Yan-qiong Shi, Rong-Sheng Lu, Ning Chen, Rui-xue Xia

Proceedings Volume 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation; 75446X (2010) https://doi.org/10.1117/12.885221
Event: Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 2010, Hangzhou, China

Abstract

A tracking measurement method is introduced using pan-tilt-zoom cameras based on machine vision theory. The modeling of a pan-tilt-zoom camera system is described. The model formula given represents the relationship between the coordinates of a spatial point and its corresponding image coordinates when the system focus, zoom, aperture and illumination are adjusted to track the measured object. The modeling technique has excellent applicability and facilitates the assembly and alignment of the camera. The only requirement for alignment is to align the image sensor plane parallel to the tilt rotation axis.

Citation Download Citation

Yan-qiong Shi, Rong-Sheng Lu, Ning Chen, and Rui-xue Xia "Modeling of pan-tilt-zoom cameras for tracking measurement", Proc. SPIE 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 75446X (28 December 2010); https://doi.org/10.1117/12.885221

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