| 1. | Image field distrubution
像场分布 |
| 2. | Optics and optical instruments - general optical test methods - measurement of relative irradiance in the image field
光学和光学仪器.一般光学试验方法.成像区相关辐照度的测量 |
| 3. | Optics and optical instruments - general optical test methods - measurement of relative irradiance in the image field
光学和光学仪器.一般光学试验方法.成像场中有关辐照度的测量 |
| 4. | Because vision procedure is actually nonlinear , using nonlinear techniques become one kind of important research tend in image fields
由于视觉过程本身的高度非线性，采用非线性的信号处理技术就自然成为图像领域的一种重要发展趋势。 |
| 5. | Speckle is caused by object ' s micro - structure , with more less - correlated random structure co - interference in the imaging field , the speckle can be depressed greatly
采用面内多帧平均和动态采集方式可以有效的抑制散斑噪声，综合利用这两种方式可以更好的提高测量精度。 |
| 6. | Meanwhile 3d data sets visualization technology can also widely apply to medicine image field , meteorology field , etc . ray - casting algorithm assumes that 3d space data f ( xi , yj , zk ) distributes on the dots of even or formula reseau
所以数据场可视化技术在石油勘探开发中的应用前景十分广泛，同时三维数据场的可视化技术也广泛地应用于医学影像学、气象学等领域。 |
| 7. | Short - time fourier transform and time - frequency distribution series are applied to time - frequency imaging . time - frequency distribution series based on wavelet transform is discussed . , and a new time - frequency tool : frequency - shear distribution is introduced into radar imaging fields
讨论了基于小波变换的时频分布级数，把一种新的时频分析工具? ?频率-切变分布应用于时频成像。 |
| 8. | The optical system is optimized to achieve 0 . 1 u m resolution over a o . lmm diameter image field of view and the mirrors of the objective were coated with mo / si multilayer to provide 45 % reflectance at near - normal incidence angle for 13 . 0nm radiation
经优化设计后， 0 . 1mm像方视场内的成像分辨率优于0 . 1 m ；近正入射条件下， schwarzschild微缩物镜主、次镜mo / si多层膜的实测反射率为45 。 |
| 9. | A focal length only half the diagonal of the film frame , produced with an almost symmetric lens design of surprising compactness , featuring the typical advantages of symmetrical lens designs : distortion is extremely well controlled , and so is color correction and image field flatness
只有胶片对角线长度一半的焦距、惊人的紧凑和几乎对称的镜头设计，使之具有对称结构镜头的典型优点：控制得极好的变形、色彩矫正和像场平坦度。 |
| 10. | During segmentation of the bridge image , this paper synthetically thinks over the advantages of self - adapted selection threshold and iterative selection threshold , and presents own self - adapted iterative selection threshold . what ' s more the variance of the infrared image is neatly applied to the visible image . at the time of beeline extraction , this paper mends hough transformation , and use novel method , which reasons the information gamed from the transformation field into the image field , to eliminate the inability to locate beeline of hough transformation
做桥梁识别，进行图像分割的时候，本文结合了自适应阈值选择算法与迭代阈值选择算法的优点，提出了自适应迭代阈值选择算法，同时把红外图像中的方差图引入到可见光图像的处理中；在图像中提取直线的时候，对hough变换进行了一些改进，同时针对其不能定位的缺点，使用了把变换域得到的信息反推到图像域的方法，解决了这个问题。 |
