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Method for automatic registration and fusion of aerial images and close-range images

An aerial image and automatic registration technology, applied in image enhancement, image analysis, image data processing, etc., can solve the problems of time-consuming, labor-intensive, and low accuracy, and achieve the effect of enriching and comprehensive on-site information, facilitating analysis and utilization

Inactive Publication Date: 2016-01-20
THE THIRD AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIV OF PLA
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  • Claims
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Problems solved by technology

However, when there are many close-range images, the manual method is time-consuming and laborious, and the accuracy is not high

Method used

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  • Method for automatic registration and fusion of aerial images and close-range images
  • Method for automatic registration and fusion of aerial images and close-range images
  • Method for automatic registration and fusion of aerial images and close-range images

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Embodiment Construction

[0042] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0043] In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or elem...

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Abstract

The invention provides an aerial photo image and close shot image automatic rectification fusion method which comprises the steps that collected aerial photo images and marking-plate-arranged close shot images are subjected to smoothening and sharpening, noise of the aerial photo images and the marking-plate-arranged close shot images is lowered, the edges of the aerial photo images and the marking-plate-arranged close shot images are enhanced, then coordinate transformation processing is carried out, vertical view images of the aerial photo images and the marking-plate-arranged close shot images after image enhancing are obtained; according to the mathematics transformation proportional relation determined through the marking plate size of the vertical view images of the aerial photo images and the marking-plate-arranged close shot images, the marking-plate-arranged close shot images are converted into an aerial photo image coordinate system, unified coordinate transformation is completed; the corresponding positions of the marking-plate-arranged close shot images are searched and located in the aerial photo images, the rectification transformation relation of the two images are determined according to mutual correlation similarity measure; an image pixel RGB value weighting method is used for achieving fusion of overlapped zones of the aerial photo images and the marking-plate-arranged close shot images.

Description

technical field [0001] The invention relates to the field of traffic accident scene information processing, in particular to a method for automatically registering and fusing aerial images and close-range images. Background technique [0002] Aerial images play an important role in traffic accident scene surveys. They can efficiently restore various elements of the accident scene. However, in order to obtain global information, aerial images are often shot at a high location, so the ability to distinguish small traces on the ground is insufficient. The close-range image provides detailed information of each element with a higher resolution in traffic accident scene survey, but it cannot reflect its position in the whole scene. In order to better analyze accidents, it is the future development trend to use registration and fusion technology to synthesize aerial images and close-range image information. Combining various traffic accident scene survey images, making full use of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/50G06T7/00
Inventor 刘文君尹志勇冯成建苏森李奎明建雄
Owner THE THIRD AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIV OF PLA
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