Sanxingdui cultural relics are the precious cultural heritage of humanity with high values of history,science,culture,art and research.However,mainstream analytical methods are contacting and detrimental,which is unfa...Sanxingdui cultural relics are the precious cultural heritage of humanity with high values of history,science,culture,art and research.However,mainstream analytical methods are contacting and detrimental,which is unfavorable to the protection of cultural relics.This paper improves the accuracy of the extraction,location,and analysis of artifacts using hyperspectral methods.To improve the accuracy of cultural relic mining,positioning,and analysis,the segmentation algorithm of Sanxingdui cultural relics based on the spatial spectrum integrated network is proposed with the support of hyperspectral techniques.Firstly,region stitching algorithm based on the relative position of hyper spectrally collected data is proposed to improve stitching efficiency.Secondly,given the prominence of traditional HRNet(High-Resolution Net)models in high-resolution data processing,the spatial attention mechanism is put forward to obtain spatial dimension information.Thirdly,in view of the prominence of 3D networks in spectral information acquisition,the pyramid 3D residual network model is proposed to obtain internal spectral dimensional information.Fourthly,four kinds of fusion methods at the level of data and decision are presented to achieve cultural relic labeling.As shown by the experiment results,the proposed network adopts an integrated method of data-level and decision-level,which achieves the optimal average accuracy of identification 0.84,realizes shallow coverage of cultural relics labeling,and effectively supports the mining and protection of cultural relics.展开更多
A novel polarimetric dehazing method is proposed based on three linear polarization images(0°,45°,and 90°).The polarization orientation angle of the light scattered by the haze particles is introduced i...A novel polarimetric dehazing method is proposed based on three linear polarization images(0°,45°,and 90°).The polarization orientation angle of the light scattered by the haze particles is introduced in the algorithm.No additional image-processing algorithm is needed in the postprocessing.It is found that the dehazed image suffers from little noise and the details of the objects close to the observer can be preserved well.In addition,this algorithm is also proved to be useful for preserving image colors.Experimental results demonstrate that such an algorithm has some universality in handling all kinds of haze.We think that this robust algorithm might be very suitable for real-time dehazing.展开更多
基金supported by Light of West China(No.XAB2022YN10)Shaanxi Key Rsearch and Development Plan(No.2018ZDXM-SF-093)Shaanxi Province Key Industrial Innovation Chain(Nos.S2022-YF-ZDCXL-ZDLGY-0093,2023-ZDLGY-45).
文摘Sanxingdui cultural relics are the precious cultural heritage of humanity with high values of history,science,culture,art and research.However,mainstream analytical methods are contacting and detrimental,which is unfavorable to the protection of cultural relics.This paper improves the accuracy of the extraction,location,and analysis of artifacts using hyperspectral methods.To improve the accuracy of cultural relic mining,positioning,and analysis,the segmentation algorithm of Sanxingdui cultural relics based on the spatial spectrum integrated network is proposed with the support of hyperspectral techniques.Firstly,region stitching algorithm based on the relative position of hyper spectrally collected data is proposed to improve stitching efficiency.Secondly,given the prominence of traditional HRNet(High-Resolution Net)models in high-resolution data processing,the spatial attention mechanism is put forward to obtain spatial dimension information.Thirdly,in view of the prominence of 3D networks in spectral information acquisition,the pyramid 3D residual network model is proposed to obtain internal spectral dimensional information.Fourthly,four kinds of fusion methods at the level of data and decision are presented to achieve cultural relic labeling.As shown by the experiment results,the proposed network adopts an integrated method of data-level and decision-level,which achieves the optimal average accuracy of identification 0.84,realizes shallow coverage of cultural relics labeling,and effectively supports the mining and protection of cultural relics.
基金This work was supported in part by the National Natural Science Foundation of China under Grants 61275149 and 51207159the Advanced Programs of Technological Activities for Overseas Scholars.
文摘A novel polarimetric dehazing method is proposed based on three linear polarization images(0°,45°,and 90°).The polarization orientation angle of the light scattered by the haze particles is introduced in the algorithm.No additional image-processing algorithm is needed in the postprocessing.It is found that the dehazed image suffers from little noise and the details of the objects close to the observer can be preserved well.In addition,this algorithm is also proved to be useful for preserving image colors.Experimental results demonstrate that such an algorithm has some universality in handling all kinds of haze.We think that this robust algorithm might be very suitable for real-time dehazing.
