珠三角城市公共艺术三维彩色动态影像显示系统设计
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摘要
基于三维地球的海量遥感影像高效可视化管理系统采用三维地球技术获取的珠三角城市公共艺术建筑遥感影像存在大量干扰影像,无法高质量显示三维彩色动态影像,为此设计珠三角城市公共艺术三维彩色动态影像显示系统。基于系统总体技术方案,构建珠三角城市公共艺术三维景观模型,在此基础上采用数字高程模型,根据离散分布的珠三角城市公共艺术建筑平面点上携带的高程数据,模拟珠三角城市公共艺术建筑地形表面;系统通过可视化动态映射将珠三角城市公共艺术建筑数据处理为可用于绘制影像的几何图形,对几何图形进行不断变换、压缩、颜色特征提取,实现珠三角城市公共艺术三维彩色动态影像显示。实验结果表明,所设计系统动态影像显示效果佳,影像渲染和压缩用时分别低于0.26 s和2.32 s,是一种高效、高质量的珠三角城市公共艺术三维彩色动态影像显示系统。
The 3 D earth based high-efficiency visualization management system of massive remote sensing images produces a large number of interference images when using the 3 D earth technology to obtain remote sensing images of public art buildings in Pearl River Delta cities,and cannot display high-quality 3 D color dynamic images. Therefore,a 3 D color dynamic image display system is designed for public arts in Pearl River Delta cities. A 3 D landscape model for public arts in Pearl River Delta cities is constructed based on the overall technical scheme of the system. On this basis,the terrain surface of public art buildings in Pearl River Delta cities is simulated by using the digital elevation model and according to the elevation data carried by the discrete-distributed planar points of public art buildings in Pearl River Delta cities. The data of public art buildings in Pearl River Delta cities is processed into geometric figures used for image drawing by means of visualized dynamic mapping. Conversion,compression,and color feature extraction are conducted for geometric figures to realize 3 D color dynamic image display of public arts in Pearl River Delta cities. The experimental results show that the designed system has a good dynamic image display effect,and time consumptions of less than 0.26 s and 2.32 s for image rendering and compression respectively,which is an efficient and high-quality 3 D color dynamic image display system for public arts in Pearl River Delta cities.
The 3 D earth based high-efficiency visualization management system of massive remote sensing images produces a large number of interference images when using the 3 D earth technology to obtain remote sensing images of public art buildings in Pearl River Delta cities,and cannot display high-quality 3 D color dynamic images. Therefore,a 3 D color dynamic image display system is designed for public arts in Pearl River Delta cities. A 3 D landscape model for public arts in Pearl River Delta cities is constructed based on the overall technical scheme of the system. On this basis,the terrain surface of public art buildings in Pearl River Delta cities is simulated by using the digital elevation model and according to the elevation data carried by the discrete-distributed planar points of public art buildings in Pearl River Delta cities. The data of public art buildings in Pearl River Delta cities is processed into geometric figures used for image drawing by means of visualized dynamic mapping. Conversion,compression,and color feature extraction are conducted for geometric figures to realize 3 D color dynamic image display of public arts in Pearl River Delta cities. The experimental results show that the designed system has a good dynamic image display effect,and time consumptions of less than 0.26 s and 2.32 s for image rendering and compression respectively,which is an efficient and high-quality 3 D color dynamic image display system for public arts in Pearl River Delta cities.
引文
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[3]张星星,曾辉.珠江三角洲城市群三维生态足迹动态变化及驱动力分析[J].环境科学学报,2017,37(2):771-778.ZHANG Xingxing,ZENG Hui. Dynamic of three dimensional ecological footprints in the Pearl River Delta and its driving factors[J]. Acta scientiae circumstantiae,2017,37(2):771-778.
[4]王诗军,李钰婷,李淳德.脊柱侧弯内固定系统置入及三维重建技术的应用[J].中国组织工程研究,2016,20(4):583-588.WANG Shijun,LI Yuting,LI Chunde. Scoliosis fixation system implantation and the application of three-dimensional reconstruction technique[J]. Chinese journal of tissue engineering research,2016,20(4):583-588.
[5]俞立平,潘兵.使用单彩色相机的单相机三维数字图像相关方法[J].实验力学,2017,32(5):687-698.YU Liping,PAN Bing. Single-camera three-dimensional digital image correlation using a single color camera[J]. Journal of experimental mechanics,2017,32(5):687-698.
[6]曾超,高洪跃,刘吉成,等.动态全息三维显示研究最新进展[J].物理学报,2015,64(12):47-54.ZENG Chao, GAO Hongyue, LIU Jicheng, et al. Latest developments of dynamic holographic three-dimensional display[J]. Acta physica sinica,2015,64(12):47-54.
[7]孙丽.三维动态图像重构特征移动误差消除方法研究[J].计算机仿真,2015,32(9):413-416.SUN Li. A movement error elimination method of three-dimensional dynamic image reconstruction characteristics[J]. Computer simulation,2015,32(9):413-416.
[8]陈琳,李洁.基于虚拟现实技术的三维影像智能显示系统嵌入式设计[J].现代电子技术,2017,40(8):100-102.CHEN Lin,LI Jie. Design of 3D image embedded intelligent display system based on virtual reality technology[J]. Modern electronics technique,2017,40(8):100-102.
[9]何磊,梁发云,杨金远,等.基于FPGA的裸眼3D图像显示系统的设计与实现[J].电子器件,2018,41(5):144-148.HE Lei,LIANG Fayun,YANG Jinyuan,et al. Design and implementation of naked-eye 3D image display system based on FPGA[J]. Chinese journal of electron devices,2018,41(5):144-148.
[10]王民,王静,张立材,等.基于混合色彩空间的分块颜色特征提取算法[J].激光与光电子学进展,2018(1):252-258.WANG Min,WANG Jing,ZHANG Licai,et al. Block color feature extraction algorithm based on mixed color space[J].Laser&optoelectronics progress,2018(1):252-258.