| 光照变化对螺栓识别影响的实验研究 |
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| 引用本文： | 宋世军,宋连玉,郝龙龙,乔彩风. 光照变化对螺栓识别影响的实验研究[J]. 中国工程机械学报, 2012, 10(3): 348-352 |
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| 作者姓名： | 宋世军 宋连玉 郝龙龙 乔彩风 |
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| 作者单位： | 1. 山东建筑大学机电工程学院,山东济南,250101
2. 山东富友有限公司,山东济南,250101 |
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| 摘 要： | 为了验证光照的变化对位图法识别螺栓的影响,设计了实验.采用幂次变换法进行图像增强,在位图法的基础上,结合数学形态学消除光照变化对螺栓特征识别的影响.经实验验证,位图法可以很好地消除光照的影响,能够较为准确地在户外的复杂背景下识别分析出螺栓的具体位置.该方法为塔式起重机等大型设备的户外安装提供一种有力的安全防护保障.
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| 关 键 词： | 位图法 螺栓识别 幂次变换 特征识别 光照变化 |
Experimental research on influence of illumination changes on bolt identification |
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| SONG Shi-jun , SONG Lian-yu , HAO Long-long , QIAO Cai-feng. Experimental research on influence of illumination changes on bolt identification[J]. Chinese Journal of Construction Machinery, 2012, 10(3): 348-352 |
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| Authors: | SONG Shi-jun SONG Lian-yu HAO Long-long QIAO Cai-feng |
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| Affiliation: | 1.Shandong Jianzhu University,Mechanical and Electrical Engineering,Jinan 250101,China; 2.Shandong Foryou Co.Ltd.,Jinan 250101,China) |
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| Abstract: | To verify the impact of illumination changes on the bolt identification via bitmap method,an experiment is first designed.By applying the power transformation for image enhancement,the morphological method is then integrated to eliminate illumination change influence for bolt feature recognition.Finally,it is verified from experiments that the bitmap can be effectively used to eliminate illumination,whilst the bolt position can be accurately identified based on complicated outdoor background.Accordingly,this method provides a good safety and protection for the outdoor installment of such large-scale equipments as tower cranes. |
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| Keywords: | bitmap method bolt identification power transformation feature recognition illumination change |
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