As a basal part of the whole project, this study is demanded to provide necessary data for other systems. One of the tasks is to extract vector data from raster images.
作为项目的基础性部分，本课题需要为其它相关的课题提供所需的数据，其中很重要的一项任务就是从栅格影像中获取矢量数据。
The SOCET GXP v3.2 software release also adds automated tools for viewing and editing live video feeds, and efficient tools for converting terrain analysis results from raster to vector file format.
该SOCETGXPV3.2软件还增加了用于查看和编辑实况视频的自动化工具和用于转换地形分析结果(从栅格转为矢量文件格式)的高效工具。
It is also very easy to convert from vector to raster formats, but the same ease doesn't hold true vice-versa.
将矢量图转换为光栅图也很简单，可反过来则不行。
After characters are divided from the raster image, the features of characters are extracted by symmetrical grids and then are inputted into BP neural network for further analysis.
首先对图纸的光栅图像进行字符分离，利用均匀网格方法抽取字符特征，用BP神经网络进行训练和识别。
Which workflow to get polygons from a geographic area and a raster file?
工作流从一个地理区域获得多边形栅格文件？
It includes some basic points such as scanning precision, format description of scanned data, conversion from the scanned data to generalized raster data, geometric correction and photograph merging.
阐述了扫描精度、扫描数据格式说明、转换成通用的栅格数据方法、几何纠正、像片拼接等基本问题。
Create new raster image from the current content of Windows desktop.
捕捉当前屏幕图像来建立新的图像文件。
Create new raster image from the current content of Windows desktop.
捕捉当前屏幕图像来建立新的图像文件。
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