图象

In this paper, three types of image data base is proposed, that is, attribute-oriented, feature-oriented and knowledge-oriented; the public fundamental structure of image data base system in each field is implemented, the improved expression of image geometrical feature is given, the strong command language and necessary auxiliary means to manage image data base are designed.

文中提出了图象数据库的3种类型，即面向属性型、面向特征型和面向知识型；实现了各领域上的图象数据库系统共有的基本结构；给出了一种改进的用于表示图象几何特征的方法；设计了一种具有较强功能的命令语言和管理图象数据库所必要的辅助手段。

Integrated with the design and the programming practice of the matching algorithms about LS MPP embedded computer used to image comprehension, this paper will analyze and study five problems about the SIMD computer which oriented to the application of image comprehension, they are how to reduce the number of memory instructions and their execute cycles, how many control register we require, how to protect the contents of the base address register, how to design the buffer and how to set up the date types of image array, etc.

本文结合 L S MPP嵌入式计算机图象匹配算法的设计与编程实践，对面向图象理解应用的 SIMD计算机减少存储类指令及其执行周期、控制寄存器的数量需求、基地址控制寄存器内容的保护、缓冲器的有关设计及图象阵列数据类型的设立等设计问题进行了分析和讨论，提出的一些设计思想对于面向图象理解的类似 SIMD计算机的设计具有较为重要的参考价值

Digital optical image processing benefits greatly from thecharacteristics of parallelism and low energy loss and the capability for large amount offan-in and fan-out without interference by optics.

它不仅通过结构元素对图象的操作来完成图象增强等常规图象处理功能，而且对图象的结构进行理解。

On the basis of the definition of the extraordinary Radon transform, the theory of rebuilding image from extraordinary Radon transform result is proposed, and some category such as image structure notation, topology of image structure notation and topological space, homeomorphism in topological space, equivalence of homeomorphism relation, topological constant of image structure notation.

与现有的基于区域内部或外形变换的形状分析方法相比，在理论方法上本质不同的是，本文提出的广义Radon变换，直接将原始的图象数据影射到特征空间，给出图象构图特征的描述，给出了可以用来进行图象检索或图象识别的结构特征谱。

In the research of image system, a image processing algorithm of welding seam is established on the basis of image math. model of structured light of Fourier-transformation of lens in space, and the image analyzing system based on the rule-model of the features of welding seam in 3D-space is also established which can meet the requirements of the auto-programming of welding parameters for arc welding robot in accuracy and reliability.

在焊缝图象系统的研制中，基于结构光空间付氏变换的光纹图象数学模型，建立了焊缝图象处理算法，并基于焊缝三维空间特征的规则模型，建立了焊缝图象分析系统，使焊缝检测与分析的精度和可靠性达到了弧焊机器人焊接参数自动规划及焊接路径自动规划的精度要求。

In order to correct these geometric distortions on satellite SAR image, and cooperate this information on SAR image with the information from other sensors, it is necessary to geocode original SAR image, and obtain correct standard geocoded image in the defined map projection.

为了校正星载SAR图象的几何畸变，使SAR图象上的数据信息和其它传感器上得到的信息进行融合，必须对星载SAR原始图象进行地理编码，得到校正后的统一的地图坐标系上的标准地理编码图象。

In the candidate face preprocessing sub-system, the algorithm proposed in this paper first filters the candidate face so as to eliminate the noises, and then extends in gray level up to adjust the contrast of image, and finally uses histogram equalization to adjust the mean value and square difference of images, realizing the gray level normalization.

2对于侯选人脸区域图象预处理子系统；首先对侯选人脸区域进行滤波以去除图象噪声，再做灰度拉伸以调节图象的对比度，然后用直方图均衡调节图象的均值和方差，达到灰度归一化的目的。

The measurement takes account of accumulation of discrepancy signals, distribution of discrepancy signals, and treatment of preternatural discrepancy signals. Based on the measurement, this paper presents, at the same time, a new algorithm for extracting features with symmetric figure on scanned topographic map.

前者匹配效率高，稳定性好，对图象的非本质的变化不敏感；而后者利用图象中的所有信息，所以区分不同图象的能力强，精度高，特别是它能在十分复杂的图象环境下(此时很难甚至不可能使用特征匹配法)有效地工作。

An image acquisition system snapping three instantaneous images at the same time with a color image board has been designed, it can obtain homochromy laser spot images at difference orientation in ICF experiment.

设计和开发了利用单块彩色图象采集板实现三通道并行瞬态图象采集系统，利用它可同时测量ICF实验不同方位的激光焦斑单色图象，并将采集图象实时传送到数据处理中心。

For image enhancement of digital radiography, the traditional processing methods originally used in various tomographic imaging modalities aren't available for enhancing the digital radiographic images, especially for the digital chest images because of the wide dynamic range of information between x-ray emerging from the heavily attenuated mediastinum (heart, spine, aorta, and other central features on the radiography) and subdiaphragmatic area and those that have passed through the air- filled lung.

对于数字放射图象的增强，原先用于CT等各种断层医学数字图象的传统处理方法并不能获得满意的效果，尤其对于数字放射胸片图象。其原因在于放射胸片图象具有相对较宽的信息动态范围，从具有非常大吸收系数的纵隔区（放射上指脊柱，心脏，主动脉）及下隔膜区到X线极易穿透的充满空气的肺部。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。