机器视觉检测设备中的光源有什么作用
What role does the light source in machine vision detection equipment have
机器视觉光源是机器视觉检测系统极为关键的部分之一,直接影响图片质量的好坏,关系到系统的成败,其重要性无论如何强调都不过分。
Machine vision light source is one of the crucial parts of the machine vision detection system, a direct impact on image quality, relates to the success or failure of the system, no matter how to emphasize the importance of not too much.
通过大量研究发现,机器视觉检测设备中的光源主要起到如下的作用:
A large number of studies have found that the light source in machine vision detection equipment mainly plays the following functions:
1、照亮目标,提高亮度
1. Illuminate the target and improve the brightness
2、形成有利于图像处理的效果
2. Forming the effect of image processing
3、克服环境光干扰,保证图像稳定性
3. Overcome ambient light interference to ensure image stability
4、用作测量的工具或参照物
4. Used as a measuring tool or reference
目前视觉行业中用于图像处理的软件,大多只是一些图像处理软件公司提供的软件包。在处理软件性能差异很微小的情况下,如何稳定、连续的获取好的图片将直接决定系统的稳定性。
Currently, the software used for image processing in the visual industry is mostly software packages provided by image processing software companies. In the case of small differences in software performance, the stability and stability of the system can be determined by means of stable and continuously obtained good images.
一幅好的图像应该具备如下条件:
A good image should have the following conditions:
1、对比度明显,目标与背景的边界清晰
1. The contrast is obvious, and the boundary between the target and the background is clear
2、背景尽量淡化而且均匀,不干扰图像处理
2. As far as possible, the background is as smooth as possible without disturbing the image processing
3、与颜色有关的还需要颜色真实,亮度适中,不过度曝光
3. The color is also required to be true, moderate brightness and not excessive exposure
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