期刊文献+

自适应随机共振技术在图像复原中的应用

Application of self-adaptive stochastic resonance on image restoration
下载PDF
导出
摘要 为了优化强噪声背景下图像复原的效果,将随机共振原理应用于图像复原。通过添加最佳噪声的方法来实现随机共振,从而达到比较满意的复原效果,并提出了一种自适应算法。实验结果表明,在信噪比很低时,该方法优于传统方法,为强背景噪声下的图像复原、目标识别和图像理解等应用提供了一种新的思路。 Aiming at achieving better result of image restoration under strong noise background, stochastic resonance principle was applied to image restoration. By means of adding optimal noise, stochastic resonance and the better result of image restoration were achieved. And a self-adaptive stochastic resonance algorithm was provided. Results indicate that, as to the restoration effect of gray-scale noisy image, especially low PSNR, the new method is better than typical methods. A kind of method for such engi- neering application as image restoration, target diction and visual understanding is provided.
出处 《机电工程》 CAS 2009年第3期9-11,共3页 Journal of Mechanical & Electrical Engineering
基金 国家自然科学基金资助项目(60374047)
关键词 随机共振 图像复原 自适应 峰值信噪比 stochastic resonance (SR) image restoration self-adaptive power signal-to-noise ratio(PSNR)
  • 相关文献

参考文献3

二级参考文献22

  • 1卢志恒,林建恒,胡岗.随机共振问题Fokker-Planck方程的数值研究[J].物理学报,1993,42(10):1556-1566. 被引量:21
  • 2Gammaitoni L, Hanggi P. Stochastic resonance[J]. Rev Mod Phys,1998, 70(1): 223-246.
  • 3Bulsara A R, Gammaitoni L. Turning in to noise[J]. Phys Today,1996, 49(3): 39-45.
  • 4Gingl Z, Vajtai R, Kiss L B. Signal-to-noise ratio gain by stochastic resonance in a bistable system [J]. Chaos, Solitons & Fractals, 2000, (11): 1929-1932.
  • 5Godivier X, Chapeau-Blondeau F. Noise-assisted signal transmission in a nonlinear electronic comparator: experiment and theory[J]. Signal Processing, 1997, 56(3): 293-303.
  • 6Ansishchenko VS, Safonova MA, Chua LO. Stochastic resonance in Chua's circuit driven by amplitude or frequency modulated signals [J]. Int J Bifurc Chaos, 1994, 4(2): 441-446.
  • 7Sandblom J, Galvanovskis J. Electromagnetic field absorption in stochastic cellular systems: enhanced signal detection in ion channels and calcium oscillators[J]. Chaos, Solitons & Fractals 2000, 11(12): 1905-1911.
  • 8Collins J J, Chow C C, Imhoff T T. Stochastic resonance without tuning[J]. Nature, 1995, 376(6537): 236-238.
  • 9Jung P, Hanggi P. Amplification of small signal via stochastic resonance[J]. Phys RevA, 1991, 44(12): 8032-8042.
  • 10Galdi V, Pierro V, Pinto I M. Evaluation of stochastic-resonance-based detectors of weak harmonic signals in additive white Gaussian noise [J]. Phys Rev E, 1998, 57(6): 6470-6478.

共引文献184

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部