Geometric stability and lens decentering in compact digital cameras

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Geometric stability and lens decentering in compact digital cameras

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Título: Geometric stability and lens decentering in compact digital cameras
Autor: Sanz Ablanedo, Enoc;Rodríguez Pérez, José Ramón, 1968-;Armesto, Julia;Álvarez Taboada, María Flor
Facultad/Centro: Escuela Superior y Tecnica de Ingenieros de Minas
Area de conocimiento: Ingeniería Cartografica, Geodesica y Fotogrametria
Resumen: A study on the geometric stability and decentering present in sensor-lens systems of six identical compact digital cameras has been conducted. With regard to geometrical stability, the variation of internal geometry parameters (principal distance, principal point position and distortion parameters) was considered. With regard to lens decentering, the amount of radical and tangential displacement resulting from decentering distortion was related with the precision of the camera and with the offset of the principal point from the geometric center of the sensor. The study was conducted with data obtained after 372 calibration processes (62 per camera). The tests were performed for each camera in three situations: during continuous use of the cameras, after camera power off/on and after the full extension and retraction of the zoom-lens.
Descripción física: P. 1553-1572
Revisión por pares: SI
Editor: Molecular Diversity Preservation International
Datos: Sensors, 2010, Vol. 10, n. 3
URI: http://hdl.handle.net/10612/2748
Fecha: 2010-03-01
Tipo: info:eu-repo/semantics/article
Materia: Cartografía
Palabras clave: Estabilidad geométrica
Cámara digital
Fotogrametría
Derechos de acceso: info:eu-repo/semantics/openAccess
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