光图像

For the laser coordinate measuring machine, the single CCD and the structure light are used to match the 3D object surface data. A new ladder-shaped calibration block is designed and two images are taken: one is structured stripe image and the other is laser plane image by this block. The laser plane and camera calibration can be accomplished by both images.

由于关节式坐标测量机的激光测量头，使用单摄像机和线结构光来匹配被测物体表面的三维数据，本文设计了一种新型的阶梯形标定块，通过标定块图像和激光条纹图像完成了摄像机的内外参数标定和激光平面参数标定。

To improve the accuracy, as to the hardware, the quality of composite polymer films and adjustment of light path were controlled strictly, including cleanout of base, synthesis of solvent, filtering of solvent, preparation of the films and control of picturing. As to the process of picturing, adding gauge, foreground and background, many exposals in same angle were used, and the area of the films to measure was also chosen. As to software, picture analysis was mainly used to improve accuracy.

为了提高测量精度，在硬件方面严格控制复合聚合物薄膜的质量和光路的调整，包括：基片的清洗、溶液的配制、溶液的过滤、薄膜的制备、和摄像的控制等等，在采集图像的过程中，通过加标尺、测量前景和背景、同一角度下的多次曝光、薄膜测量区域的选择等等措施来消除误差；在软件方面提高测量精度方法主要采用图像处理的方法，并用自编的软件处理数据。

This algorithm mainly consists of two parts: auto shutter control based on cubic interpolating polynomial of common logarithm of the image average gray and image grey stretch technique based on experiment data analysis.

结合图像处理中的灰度拉伸技术，实现了一种方便、稳定及高精度的调光。其算法主要由基于场景灰度均值对数的三次多项式插值函数自动快门控制和图像灰度拉伸实现。

It employs the principles of constructive and destructive interference of light, normally used to create holograms, to create high-resolution two-dimensional images.

它采用的是一般在建立全息图像时用到的建设性和破坏性的干扰特点的光原理。用它来建立高清晰度的二维图像。

Referring to the function of cylindrical lens and the principles of holographic optical elements, we make this holographic element, which can achieve the optical function of cylindrical lens, and have the advantage of large-scale, short focal length and well-distributed light energy, in order to meet the requirements of laser direct writing synthetic holograms.

实验结合激光直写合成全息拍摄时所需柱面透镜的功能，参考全息光学元件的制作原理来制作图像柱面压缩全息光学元件，实现柱面透镜的光学功能，并使元件具有大面积、短焦距、会聚光均匀分布的特点，满足激光直写合成全息拍摄对图像的需求。

One is based on the photoelectricity diffusibility reflection theory. In this method, an expensive photoelectricity sensor is laid closely with the signatures which are lightened by red LEDs. It will be judged by the analog reflection value from the detected area whether the signature is good or not. The other method uses the complex electronic image processing technology to identify some content in the signature.

一是采用光电扩散反射原理，利用特制的光传感器，在和书帖密切接触的情况下，以红色LED作为投光源照射书帖，根据检查区域内的反射光的强弱模拟量大小进行判别；二是使用复杂的电子图像识别技术，针对书帖中部分内容作图像识别。

To make picture clear, the electron beam that must come out to be being hit from electron gun undertakes focusing is handled, let electron beam pass electron lens, be opposite with optical lens of beam of light collect action likeness, the electron beam assemble that opens scattering rises, get on fluorescent screen one shines again small spot, add the effect of scanning circuit, ability shows clear picture.

为了使图像清楚，必须对从电子枪打出来的电子束进行聚焦处理，让电子束通过电子透镜，和光学透镜对光束的聚集功能相似，把散射开的电子束会聚起来，在荧光屏上得到一个又亮又小的光点，加上扫描电路的功能，才能显示清楚的图像。

The merits of the invention is: it uses virtual instrument to realize function adjusting and extending; realizes flat geometry parameter normalization evaluation in continuous light, aids with analysis of fuzzy moving image, realizes the quick measurement of sports character, and it has no limit to the frequency; it uses image matching technology to realize the high precise sport character test in flash light.

本发明的优点在于：采用虚拟仪器方式实现功能调整和扩展；在连续光照明下，实现平面几何量参数的归一化评定，辅以模糊运动图像的分析，实现运动特性的快速测量，且对频率无限制；在频闪照明下，利用图像匹配技术实现高精度的运动特性测试。

Finally, the problems of feature selection and the design of leukocyte classifier are discussed.

最后分析了白细胞图像的特征描述，对分割后的白细胞核、浆区域图像提取了形态、彩色光密度和纹理特征，并就特征选择、分类器的设计等问题进行了讨论。

According to the traits of images in sptial domain and Fourier domain, it is testified that pixels on the large optical path difference are important for the shape of spectrum.

根据干涉高光谱图像在空间域和傅里叶域的特点，推导出空间域中随着光程差的增大，干涉图像对傅里叶域中光谱曲线的形状影响越大。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。