Image Acquiring Device And Image Acquiring System
First Claim
1. An image acquiring device, comprising a first camera for acquiring video images, consisting of frame images continuous in time series, a second camera being in a known relation with said first camera and used for acquiring two or more optical spectral images of an object to be measured, and an image pickup control device, wherein said image pickup control device is configured to extract two or more feature points from one of said frame images, to sequentially specify said feature points in the frame images continuous in time series, to perform image matching between the frame images regarding the frame images corresponding to said two or more optical spectral images based on said feature points, and to synthesize said two or more optical spectral images according to the condition obtained by said image matching.
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Abstract
An image acquiring device comprises a first camera 14 for acquiring video images, consisting of frame images continuous in time series, a second camera 15 being in a known relation with the first camera and used for acquiring two or more optical spectral images of an object to be measured, and an image pickup control device 21, and in the image acquiring device, the image pickup control device is configured to extract two or more feature points from one of the frame images, to sequentially specify the feature points in the frame images continuous in time series, to perform image matching between the frame images regarding the frame images corresponding to the two or more optical spectral images based on the feature points, and to synthesize the two or more optical spectral images according to the condition obtained by the image matching.
43 Citations
10 Claims
- 1. An image acquiring device, comprising a first camera for acquiring video images, consisting of frame images continuous in time series, a second camera being in a known relation with said first camera and used for acquiring two or more optical spectral images of an object to be measured, and an image pickup control device, wherein said image pickup control device is configured to extract two or more feature points from one of said frame images, to sequentially specify said feature points in the frame images continuous in time series, to perform image matching between the frame images regarding the frame images corresponding to said two or more optical spectral images based on said feature points, and to synthesize said two or more optical spectral images according to the condition obtained by said image matching.
- 6. An image acquiring system, comprising a flying object, a GPS device mounted on said flying object, a control device for controlling flight of said flying object, a first camera mounted on said flying object and for acquiring video images made up by frame images continuous to each other in time series, a second camera provided in a known relation with said first camera and for acquiring an optical spectral image of an object to be measured, and an image pickup control device, wherein said flying object moves from a first point to a second point, said GPS device measures a position of the first point and a position of the second point in geocentric coordinate system, said first camera acquires a still image of the first point, acquires video images during the moving from the first point to the second point, and further, acquires still images at the second point, said second camera acquires two or more optical spectral image in a predetermined wavelength range, said image pickup control device extracts two or more feature points from the still image at the first point, performs video image tracking from the video image during the moving from the first point to the second point, specifies said feature points in the still image at the second point, performs stereo-matching of the still image at the first point with the still image at the second point based on said feature points, prepares a three-dimensional model based on positions of said first point and said second point in the geocentric coordinate system, and said image pickup control device synthesizes two or more optical spectral images, prepares an optical spectral synthetic image, synthesizes said three-dimensional model with said optical spectral synthetic image, and prepares a four-dimensional model having three-dimensional position data and optical spectral information of said object to be measured.
Specification