| 一种多幅单视角图像的双投影柱面全景图生成算法 |
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| 引用本文： | 吕莉,樊棠怀,王鑫,黄陈蓉,樊飞燕.一种多幅单视角图像的双投影柱面全景图生成算法[J].南昌水专学报,2013(6):12-16. |
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| 作者姓名： | 吕莉 樊棠怀 王鑫 黄陈蓉 樊飞燕 |
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| 作者单位： | [1]南昌工程学院信息工程学院,江西南昌330029 [2]河海大学计算机与信息学院,江苏南京211100 [3]南京工程学院计算机工程学院,江苏南京211167 |
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| 基金项目： | 国家自然科学基金资助项目（61263029）,江西省教育厅青年科学基金资助项目（GJJ13745） |
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| 摘 要： | 提出一种多幅单视角图像的双投影柱面全景图生成算法.首先对多幅单视角图像进行正投影,形成一幅空间柱面形状的立体图像;其次对图像重叠部分的对应特征区域进行匹配和接合来实现图像无缝拼接;最后把得到的空间柱面立体图像在圆柱体侧面的任意一个切平面上反投影展开,即可生成一幅360度柱面全景图.实验表明,该算法运算量较小,能快速、有效的生成柱面全景图.
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| 关 键 词： | 虚拟环境 全景图 正投影 图像拼接 反投影 |
An algorithm for generating cylindrical panoramic image based on double projecting in images with single view |
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| LV Li,FAN Tanghuai,WANG Xin,HUANG Chenrong,FAN Feiyan.An algorithm for generating cylindrical panoramic image based on double projecting in images with single view[J].Journal of Nanchang College of Water Conservancy and Hydroelectric Power,2013(6):12-16. |
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| Authors: | LV Li FAN Tanghuai WANG Xin HUANG Chenrong FAN Feiyan |
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| Affiliation: | 1. School of Information Engineering, Nanchang Institute of Technology, Nanehang 330099, China; 2. College of Computer and Information Engineering, Hohai University, Nanjing 211100, China; 3. School of Computer Engineering,Nanjing Institute of Technology, Nanjing 211167, China) |
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| Abstract: | Panoramic image is one of the basic elements for creating the virtual environment. In this paper,it presents a new algorithm, generating cylindrical panoramic images based on double projecting in many images with single view. First, using orthographic projection, this paper processes original images. Then seamless mosaics of images are produced by matching and fitting related featured areas in the over- lapped parts of images. Finally, the cylindrical stereo image in space is unfolded in a tangent plane by back projection in order to get a 360-degree cylindrical panoramic image. Meanwhile, experiments are conducted on a set of images to test the performance of the proposed algorithm, and shows promising resuits in both speed and efficiency. |
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| Keywords: | virtual reality panoramic image orthographic projection image mosaics back projection |
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