基于虚拟现实技术的动态激光全息三维视频重建方法  

Dynamic laser holographic 3D video reconstruction method based on virtual reality technology

作　　者：陈嘉钰 张亚琼 温丽琴 CHEN Jiayu;ZHANG Yaqiong;WEN Liqin(Zhengzhou University of Light Industry,Zhengzhou 450000,China)

机构地区：[1]郑州轻工业大学,郑州450000

出　　处：《激光杂志》2022年第11期225-229,共5页Laser Journal

基　　金：河南省自然科学基金(No.201842453687);河南省教育厅研究项目(No.2021-ZDJH-0423)。

摘　　要：针对三维视频图像不清晰、分辨率较低以及色彩失真等问题,提出设计基于虚拟现实技术的动态激光全息三维视频重建方法。利用动态激光技术扫描采集原始视频图像信息,根据像素边缘位置轮廓数据运动状态方程,计算得出三维视频重建所需的原始像素值,并凭借滤波去除公式实现降噪处理,建立三维成像区域,以成像区域的长、宽、高建立三维体积作的三角连线面,标记和分析该连线面内所有像素点尺度及模糊度。同时,采用虚拟现实投影方式,计算全息三维视频的映射经度角、位置的形变量以及在各方向上的梯度数值,将计算后梯度数值代入到重建函数中求解,完成动态激光全息三维视频重建。实验结果证明,所提方法重建动态激光全息三维视频精度较高,且具有较高的真实性。Aiming at the problems of unclear 3 D video image, low resolution and color distortion, a dynamic laser holographic 3 D video reconstruction method based on virtual reality technology is proposed. The dynamic laser technology is used to scan and collect the original video image information. According to the motion state equation of the pixel edge position contour data, the original pixel value required for 3 D video reconstruction is calculated. The noise reduction processing is realized by means of the filter removal formula, and the 3 D imaging area is established. The triangular line surface made of 3 D volume is established based on the length, width and height of the imaging area, Mark and analyze the scale and ambiguity of all pixels in the connection plane. At the same time, using the virtual reality projection method, the mapping longitude angle, position shape variable and gradient value in each direction of holographic 3 D video are calculated, and the calculated gradient value is substituted into the reconstruction function to complete the dynamic laser holographic 3 D video reconstruction. The experimental results show that the proposed method has high accuracy and high authenticity.

关 键 词：虚拟现实技术 动态激光 全息三维 映射经度角 梯度 

分 类 号：TN489[电子电信—微电子学与固体电子学]