|
|
- 2015
基于代数多重网格的图像传感器物体识别技术
|
Abstract:
物联网中的物体识别可以减少人为的参与,提高物物相连的效率。该文针对物联网环境中的物体识别进行了初步研究,提出了一种结合代数多重网格的物体识别的方法,降低了物理存储和网络传输的代价。首先运用代数多重网格方法对不同模糊程度的图像进行重建,在此基础上进行特征检测;然后运用“词袋”模型对使用了代数多重网格方法与未使用该方法的物体识别进行了对比试验。实验结果表明,运用一定程度的模糊图像识别物体能得到较高的稳定性,并且提升了与非同一场景的物体识别的区分度;运用代数多重网格方法的“词袋”模型提高了物体识别的准确率。
| [1] | MATTERN F, FLOERKEMEIER C. From the internet of computers to the internet of Things[J]. Informatik-Spektrum, 2010, 33(2): 107-121. |
| [2] | ZHU Min-chen, WANG Wei-zhi, LIU Bing-han, et al. Improved prototype selection in synergetic pattern recognition to recognize human face expressions[J]. Journal of Algorithms & Computational Technology, 2013, 7(4): 541-552. |
| [3] | BRANDT A, MCCORMICK S, RUGE J. Algebraic multigrid (AMG) for automatic multigrid solution with application to geodetic computations[R]. Fort Collins, Colorado, USA: Institute for Computational Studies, 1982. |
| [4] | FALGOUT R D, SCHRODER J B. Non-Galerkin coarse grids for algebraic multigrid[J]. SIAM Journal on Scientific Computing, 2014, 36(3): 309-334. |
| [5] | XU Yi-ping, CHEN Han-lin. An improved model for image denoising[C]//2013 IEEE International Conference on Signal Processing Communication and Computing (ICSPCC). [S.l.]: IEEE, 2013: 1-4. |
| [6] | ZEEUW P M. A multigrid approach to image processing[J/OL]. Scale Space and PDE Methods in Computer Vision, 2005(3459): 396-407. [2014-09-20]. http://link.springer. com/chapter/10.1007%2F11408031_34. |
| [7] | DUARTE-CARVAJALINO J M, SAPIRO G, VELEZREYES M. et al. Multiscale representation and segmentation of hyperspectral imagery using geometric partial differential equations and algebraic multigrid methods[J]. IEEE Transactions on Geoscience and Remote Sensing, 2008, 46(8): 2418-2434. |
| [8] | SIAM J. An algebraic multigrid approach for image analysis[J]. Soceity for Industrial and Applied Mathematics, 2003, 24(4): 1218-1231. |
| [9] | HUANG Ying, XIE Mei, LI Wei-sheng, et al, A new application with algebraic multigrid method[J]. Journal of Information and Computational Science, 2012, 9(6): 1447-1454. |
| [10] | CHANG Qian-shun, LI Zheng-feng. New interpolation formulain algebraic multigrid method[J]. Chinese Journal of Computational Physics, 1990, 7(4): 453-460. |
| [11] | ZHANG Hui. Bag-of-words model based image classification and evaluation of image sample quality in remote sesning[C]//IEEE TENCON 2013. Xi'an: IEEE, 2013. |
| [12] | STüBEN K. A review of algebraic multigrid[J]. Journal of Computational and Applied Mathematics, 2001(208): 281-309. |
| [13] | 史培林. 代数多重网格法及其在图像重构的应用[D]. 北 京: 中国科学院, 2003． SHI Pei-lin. Algebraic multigrid method and its application in image reconstruction[D]. Beijing: Chinese Academy of Scienc, 2003. |
| [14] | YU Guo-shen, MALLAT S, BACRY E. Audio denoising by time-frequency block thresholding[J]. IEEE Transactions on Signal Processing, 2008, 56(5): 1830-1839. |
| [15] | 赵晓霞, 基于优化“词袋”模型的物体识别方法研究[D]. 重庆: 重庆邮电大学, 2011. ZHAO Xiao-xia. Research on object recognition based on optimal bag-of-visual-words[D]. Chongqing: Chongqing University of Posts and Telecommunications, 2011. |
