针对目前现有高动态范围图像(HDRI)的合成算法因复杂度高而难以应用于强实时系统的缺点,本文提出了一种适用于并行运算处理硬件的基于多曝光时间的实时HDRI合成算法.该方法首先完成探测器光照响应曲线的生成与标定,然后在现场可编程门列阵(FPGA)中通过数字信号处理技术完成多曝光图像序列的场景照度恢复以及像素的实时融合.仿真验证结果表明,该算法能够正确[J]有效地在FPGA中执行,可达到实时HDRI获取的设计要求.
参考文献
| [1] | Erik R;Greg W;Sumanta P;Paul D.High Dynamic Range Imaging Acquisition,Display,and Image-Based Lighting.2nd Edition[M].USA:Morgan Kaufmann,2010 |
| [2] | Jinno, T.;Okuda, M. .Multiple Exposure Fusion for High Dynamic Range Image Acquisition[J].IEEE Transactions on Image Processing,2012(1):358-365. |
| [3] | 刘真,杨丹丹,朱明.HDR图像压缩算法比较研究[J].影像科学与光化学,2011(01):32-44. |
| [4] | 江燊煜,陈阔,徐之海,冯华君,李奇,陈跃庭.基于曝光适度评价的多曝光图像融合方法[J].浙江大学学报（工学版）,2015(3):470-475,481. |
| [5] | Ikeda E .Image data processing apparatus for processing combined image signals in order to extend dynamic range[P].US patent,5801773,1998. |
| [6] | Street R A .High dynamic range segmented pixel sensor array[P].US patent,5789737,1998. |
| [7] | Guthier B;Kopf S;Effelsberg W.Capturing high dynamic range images with partial re-exposures[A].,2008:241-246. |
| [8] | Nayar S K;Branzoi V.Adaptive dynamicrange imaging:optical control of pixelexposures over space and time[A].,2003:1168-1175. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%