计算机科学 ›› 2014, Vol. 41 ›› Issue (6): 278-281.doi: 10.11896/j.issn.1002-137X.2014.06.055
常嘉义,秦瑞,李庆,陈大鹏
CHANG Jia-yi,QIN Rui,LI Qing and CHEN Da-peng
摘要： 针对全景拼接图像尚无有效的全参考质量评价方法,无法有效地选择最佳拼接方案以及优化系统参数的问题,创新性地提出一种基于图像信息采样的质量评价方法 ,即通过统计俯视图像素在原始图像中的对应分布,对原始图像素的重采样率和均值方差等统计信息进行分析评估。首先介绍一种车载环视摄像头下4个不同角度的视频图像拼接的方法,然后提出像素采样率性能指标,最后通过仿真实验与实际测试,对比图像方差、熵值和平均梯度等指标,证明了提出的评价方法能够有效地评价拼接图像质量和优化摄像头安装参数。
| [1] Kato K,Suzuki M,Fujita Y,et al．Image synthesis display method and apparatus for vehicle camera:US 7139412[P]．2006-11-21 [2] 丁鑫．全景视觉泊车辅助系统研究[D].杭州:浙江大学,2010 [3] 鲁斌,秦瑞,李庆,等．车载环视拼接方法的研究[J].计算机科学,2013,40(9):293-295 [4] Luo L B,Koh I S,Min K Y,et al．Low-cost implementation of bird’s-eye view system for camera-on-vehicle [C]∥ 2010Digest of Technical Papers International Conference on Consumer Electronics (ICCE)．IEEE,2010:311-312 [5] Cancare F,Bhandari S,Bartolini D B,et al．A bird's eye view of FPGA-based Evolvable Hardware [C]∥2011NASA/ESA Conference on Adaptive Hardware and Systems (AHS)．IEEE,2011 [6] Liu Y C,Lin K Y,Chen Y S．Bird’s-eye view vision system for vehicle surrounding monitoring [M]∥Robot Vision．Springer Berlin Heidelberg,2008:207-218 [7] Scaramuzza D,Martinelli A,Siegwart R．A flexible technique for accurate omnidirectional camera calibration and structure from motion[C]∥ IEEE International Conference on Computer Vision Systems,2006(ICVS’06)．IEEE,2006:45-45 [8] Wang Z,Bovik A C,Sheikh H R,et al．Image quality assessment:From error visibility to structural similarity[J]．Image Processing,IEEE Transactions on 2004,13(4):600-612 [9] 陈秀新,邢素霞.图像/视频检索与图像融合[M].北京:机械工业出版社,2012:130-224 [10] 丁绪星,朱日宏,李建欣.一种基于人眼视觉特性的图像质量评价[J].中国图象图形学报,2004,9(2):65-69 |
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