3D camera and imaging method

摘要

A 3D camera comprises first and second laterally displaced optical imaging systems each comprising one or more lenses. The optical imaging systems also each comprise one or more actuators arranged to move one or more lenses of the respective optical imaging system, and a digital image analyzer configured to evaluate the respective field of view of first and second images of a stereoscopic image pair obtained respectively from the first and second optical imaging systems and to generate a disparity value based on a disparity between the respective fields of view. The 3D camera is arranged in operation to adjust the field of view of one or more images generated by the first and second optical imaging systems responsive to the disparity value so as to reduce the disparity between the respective fields of view of stereoscopic image pairs obtained from the first and second optical imaging systems.

主权项

1. A 3D camera, comprising:
first and second laterally displaced optical imaging systems each comprising one or more lenses; the first and second optical imaging systems also each comprising one or more actuators arranged to move zoom components of the respective optical imaging systems; a digital image analyser arranged in operation to evaluate a respective field of view of a first image and a second image of a stereoscopic image pair obtained respectively from the first and second optical imaging systems and to generate, based on a disparity between the respective fields of view, a zoom disparity value indicating a difference in a degree of zoom between the zoom components of the respective optical imaging systems; a digital image processor operatively coupled to the digital image analyzer; wherein: the 3D camera is arranged in operation to adjust an extent of a field of view of one or more images generated by the first and second optical imaging systems responsive to the disparity value so as to reduce the zoom disparity between the respective fields of view of stereoscopic image pairs obtained from the first and second optical imaging systems; and the digital image processor is arranged in operation to re-sample at least one of the first or second images responsive to the disparity value to substantially equalise the field of view of the first and second images.