It is always a challenging task to model the trajectory and make an efficient of produced by (HVI) on thin-plates due to the difficulty in obtaining high-quality fragment images from experiments. To improve the accuracy of HVIs on a typical double-plate Whipple shield configuration, we investigate the distributive characteristic of in successive shadowgraphs using techniques and traditional numerical methods. The aim is to extract the target movement parameters of a debris cloud from the acquired shadowgraphs using techniques and construct a trajectory model to estimate the damage with desirable performance. In HVI experiments, eight successive frames of fragment shadowgraphs are derived from a hypervelocity sequence laser shadowgraph imager, and four representative frames are selected to facilitate the subsequent feature analysis. Then, using techniques, such as denoising and segmentation techniques, special fragment features are extracted from successive images. Based on the extracted information, image matching of debris is conducted and the trajectory of is modeled according to the matched debris. A comparison of the results obtained using our method and traditional numerical methods shows that the method of obtaining experimental data through will provide critical information for improving numerical simulations. Finally, an improved estimation of damage to the rear wall is presented based on the constructed model. The proposed model is validated by comparing the estimated damage to the actual damage to the rear wall.