全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

引入低对比度环境下视觉感知机制的轮廓检测模型

, PP. 845-850

Keywords: 轮廓检测,感受野,对比度,邻域影响

Full-Text   Cite this paper   Add to My Lib

Abstract:

传统的基于视觉感知机制的轮廓检测模型在遇到边缘局部对比度低时会出现部分目标轮廓丢失现象,并且在去抑制区共线增强时会使得噪声增强或高曲率轮廓拐角处断裂。针对这些问题,提出一种引入低对比度环境下视觉感知机制的轮廓检测模型。在传统轮廓检测模型的基础上一方面引入刺激物对比度对感受野大小及侧抑制强度的调节机制;另一方面根据Gestalt知觉组织原则将去抑制区划分为邻接去抑制区和外周去抑制区,分别给予不同的增强机制。并结合数学形态学滤波方法对得到的轮廓进行噪声滤波处理。针对自然图像进行实验,结果表明本模型在解决上述问题上有显著效果,提高自然背景中轮廓提取的性能。

References

[1]  Tang Qiling,Sang Nong,Zhang Tianxu.Extraction of Salient Contours from Cluttered Scenes.Image and Vision Computing,2007,25(2): 1282-1290
[2]  Huang Wentao,Jiao Licheng,Jia Jianhua,et al.A Neural Contextual Model for Detecting Perceptually Salient Contours.Pattern Recognition Letters,2009,30(5): 985-993
[3]  Pian Zhaoyu,Meng Xiangping.Contour Detection Model Based on Biological Visual Perception.Journal of Infrared and Millimeter Waves,2009,28(5): 362-366 ( in Chinese) (片兆宇,孟祥萍.一种基于生物视觉感知的轮廓检测模型.红外与毫米波学报,2009,28(5): 362-366)
[4]  Lar S,Jennifer M.Ichida S S,et al.Contrast-Dependence of Surround Suppression in Macaque V1:Experimental Testing of a Recurrent Network Model.NeuroImage,2010,52(3): 777-792
[5]  Wang Chun,Huang Jinyu,Cedric B,et al.Influence of ‘Feedback’ Signals on Spatial Integration in Receptive Fields of Cat Area 17 Neurons.Brain Research,2010,1238(3): 34-48
[6]  Kasamatsu T,Miller R,Zhao Zhu,et al.Collinear Facilitation is Independent of Receptive-Field Expansion at Low Contrast.Experimental Brain Research,2010,201(6): 453-465
[7]  Morrow W M,Paranjape R B,Rangayyan R M,et al.Region-Based Contrast Enhancement of Mammograms.IEEE Trans on Medical Imaging,1992,11(3): 392-405
[8]  Meese T S,Summers R J,Holmes D J,et al.Contextual Modulation Involves Suppression and Facilitation from the Center and the Surround.Vision,2007,7(4): 1-21
[9]  Kapadia M K,Westheimer G,Gilbert C D.Spatial Distribution of Contextual Interactions in Primary Visual Cortex and in Visual Perception.Journal of Neurophysiology,2000,84(4): 2048-2062
[10]  Mizobe K,Polat U,Pettet M W,et al.Facilitation and Suppression of Single Striate-Cell Activity by Spatially Discrete Pattern Stimuli Presented beyond the Receptive Field.Visual Neuroscience,2001,18(3): 377-391
[11]  Palmer S E.Modern Theories of Gestalt Perception.Mind Language,1990,5(4): 289-323
[12]  Sang Nong,Tang Qiling,Zhang Tianxu.Contour Detection Based on Inhibition of Primary Visual Cortex.Journal of Infrared and Millimeter Waves,2007,26(1): 47-60 ( in Chinese)(桑 农,唐奇伶,张天序.基于初级视皮层抑制的轮廓检测方法.红外与毫米波学报,2007,26(1): 47-60)
[13]  Serra J.Image Analysis and Mathematical Morphology.London,UK: Academic Press,1982
[14]  Chan Weikai,Chien S.Subword Parallel Architecture for Connected Component Labeling and Morphological Operations // Proc of the IEEE Asia Pacific Conference on Circuits and Systems.Singapore,Singapore,2006: 936-939
[15]  Li C,Kao C,Gore C,et al.Implicit Active Contours Driven by Local Binary Fitting Energy // Proc of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition.Minneapolis,USA,2007: 4-7
[16]  Grigorescu C,Petkov N,Westenberg M A.Contour Detection Based on Nonclassical Receptive Field Inhibition.IEEE Trans on Image Processing,2003,12(7): 729-739

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133