| 1. | Stress wave and identification of isochromatic fringes in dynamic photoelasticity 应力波和动光弹等差条纹的分析与判读 |
| 2. | Application of digital image processing in extracting isochromatic fringe framework 数字图像处理在等差条纹骨架线提取中的应用 |
| 3. | An automatic order determination of color isochromatic fringe based on bp artificial neural network is presented 提出基于bp神经网络的彩色域等色线自动定级法。 |
| 4. | A method of transforming the fem stress analysis results into photo - elastic isochromatic fringe pattern is discussed . and the fem analysis results of the tooth , which is a key part of mmd1250 mineral sizer , is successfully processed by this method 探讨了把有限元应力分析结果直接处理成光弹性等差条纹图的方法,并对mmd1250双齿辊破碎机辊齿的有限元分析结果进行了处理。 |
| 5. | The complex function between isochromatic fringe orders and rgb gray values of the image pixels is described by bp artificial neural network . the technique can improve the precision of experimental stress analysis in three - dimensional photoelastic thin slices 其特点是通过bp神经网络建立图像中像素点的r 、 g 、 b颜色值与条纹级数n之间的非线性关系;可以准确地得到3级以内等色线条纹级数。 |
| 6. | Because color isochromatic fringes appear in the stress model based on a plane polariscope in white light , we studied the problems systematically by a digital camera as image inputting device , digital image processing technique and bp artificial neural network . based on the work that has been reported before , a technique named five - step color phase shifting technique ( fcpst ) to acquire single isoclinics is presented 根据白光入射时应力模型在偏振仪光学系统中的等色线条纹是彩色的特点,本论文采用彩色数码相机作为数据采集与输入设备,结合彩色信息图像处理和bp神经网络等新技术,对上述两个难题进行了系统的研究,获得以下成果:在综合前人工作的基础上,提出获得全场单纯的等倾角相图的五步彩色相移法。 |
| 7. | In automatic acquisition and procession of the photoelastic data , there are some troubles about how to acquire single isoclimcs and to improve the precision of evaluating isochromatic fringe orders in the thin slice of the three - dimension model when the actual problems are solved by photoelasticity 用光弹性实验处理实际问题时,在数据自动采集与处理中,如何获得单纯等倾线的问题仍是一大难点,此外就是如何进一步提高三维冻结模型薄切片的等色线定级精度问题也比较困难。 |