| 电视测井中的图象处理问题 |
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| 引用本文： | 王理,范永全,沙椿.电视测井中的图象处理问题[J].物探化探计算技术,2000,22(3):238-244. |
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| 作者姓名： | 王理 范永全 沙椿 |
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| 作者单位： | 1. 成都理工学院,信息工程与地球物理系,四川,成都,610059
2. 国家电力公司,成都勘测设计研究院,物探测试研究中心,四川,成都,610072 |
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| 摘 要： | 电视测井采集到的原始视频图象经过几何空间变换，图像象素重采样，最终生成可供地质分析解释的井壁表面图象文件。此外，必须动态识别指北针的图像以确定井下探头的方位，并以识别的北方位为起点守成图象的几何空间变换。基于井场施工效率和井下探头的安全原因，探头井中以４ｃｍ／ｓ左右的速度下落，图像处理过程必须与探的落保持同步，因而还具有一定程度的实时性要求。
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| 关 键 词： | 视频信号采集 图象处理 电视测井 图像识别 |
| 修稿时间： | 2000-06-12 |
THE IMAGE PROCESSING PROBLEMS IN TELEVISION LOGGING |
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| WANG Li,FAN Yong-quan,SHA Chun.THE IMAGE PROCESSING PROBLEMS IN TELEVISION LOGGING[J].Computing Techniques For Geophysical and Geochemical Exploration,2000,22(3):238-244. |
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| Authors: | WANG Li FAN Yong-quan SHA Chun |
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| Abstract: | After geometric transformation of image space, resampling of image pixels, and transfer from DDB to DIB bitmap mode, the original images acquired in television log become some bitmap files which can more properly be used in the geological explanation. The image processing procedure should start with the northern orientation detected by image recognition for a small acquired compass image during image data acquiring. Because of logging effectiveness and the safety of television sonde in the well, the sonde may be moved downward at speed of about 4cm/s and the image processing procedure should proceed synchronously. Therefore it has real time behavior to some extent. |
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| Keywords: | video data acquisition image processing image recognition real time behavior |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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