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首页> 外文会议>The 2008 International Symposium on Safety Science and Technology(2008年安全科学技术国际会议)论文集 >Study on the Model for Bird's-eye-photo Geometry Correction of Traffic Accident Scene
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Study on the Model for Bird's-eye-photo Geometry Correction of Traffic Accident Scene

机译：交通事故现场鸟瞰照片几何校正模型研究

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摘要

Whether the draft of scene is correct has a direct effect on the results of accident analysis in disposal of traffic accident. The bird's-eye-photos are distorted by some factors such as angle of bird's-eye view and the gradient of road in the information processing. The distortions exert a serious influence on the following processing of the images for traffic accident scene. Therefore the geometry correction must be accomplished to reduce or eliminate the error of bird's-eye-photos before the following processing of the images. The model for bird's-eye-photo geometry correction of traffic accident scene is set up by introducing the technology of image processing. The mathematics model for transformation of coordinate is set up to realize the bird's-eye-photo geometry correction of traffic accident scene. The method is selected to acquire the actual coordinate of reference point quickly on the basic of this mathematics model. The method of image registration for bird's-eye-photos is proposed. Then the validity of model is checked by exemplification. The basis is provided for the realization of the image information processing for traffic accident scene.
机译：场景草图是否正确，直接影响交通事故处理中事故分析的结果。在信息处理过程中，鸟瞰图会因诸如鸟瞰角度和道路坡度之类的一些因素而失真。变形严重影响了交通事故现场图像的后续处理。因此，在图像的后续处理之前，必须完成几何校正以减少或消除鸟瞰照片的误差。通过引入图像处理技术，建立了交通事故现场鸟瞰照片几何校正模型。建立了坐标转换的数学模型，以实现交通事故现场的鸟瞰照片几何校正。在该数学模型的基础上，选择该方法以快速获取参考点的实际坐标。提出了鸟瞰照片的图像配准方法。然后通过实例检验模型的有效性。为交通事故现场图像信息处理的实现提供了依据。

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