景象匹配是飞行器导航与定位的一种重要手段，其中的雷达图像匹配由于具有全天候的特征而受到人们的重视。
Scene matching is an important means on navigation and location of aeroplane, and radar image matching is thought a lot by reason of all weather.
介绍了合成孔径雷达景象匹配的定位机理。
The location mechanism of Synthesis Aperture Radar (SAR) scene matching is introduced.
研究了有效特征区域的松弛检测方法，对基于模糊熵差的景象匹配算法进行相应后处理，提高了匹配性能。
The relaxation detecting of effective feature segmentation is studied before matching capability of Scene Matching Algorithm of fuzzy entropy similarity metric can be improved.
数据压缩问题是景象匹配制导图像预处理技术中的重要研究内容之一。
The problem of image data compression is an important part of the scene matching guidance image pre-processing technique.
针对合成孔径雷达景象匹配实时信号处理特点，提出了一种实时处理系统的结构。
The characteristics of SAR scene matching real-time signal processing and airborne SAR real-time signal processing are compared.
在航空摄影、景象匹配导航等领域，由光学相机采集的图像往往同时存在着运动模糊和散焦模糊。
There are motion blur and defocus blur in the images captured by optics cameras in some areas, for example, in the areas of aeroplane photography and navigation using scene matching.
针对图像灰度变化和遮挡问题，提出一种增量符号相关的景象匹配方法。
A scene matching approach based on increment sign correlation is proposed to solve the problem of gray change or occlusion in image.
实验结果表明，这是一种十分有效的最佳景象匹配区选取方法。
The experiment shows it is an effective method for selecting the best scene-matching region.
校正后，图像显示系统的畸变小于0.4%，完全能够满足导弹景象匹配系统定位误差及定位概率的检测要求。
After the correction, the distortion of image display system is less than 0.4%. This result can meet the needs of the positioning and probability of the missile's scene matching guidance system.
最后通过大量仿真试验验证了分形特征和基准图的正确匹配概率之间的关系，对于景象匹配区的选择具有一定的实用价值。
Experiments validate the relation between acquisition probability and fractal feature of reference map, which is valuable for the selection of scene matching reference map.
合成孔径雷达(SAR)用于景象匹配导航系统，可提高导航精度。
The precision of scene matching navigation system can be improved greatly when synthetic aperture radar (SAR) is used.
其关键设备是景象匹配相关器，关键技术是景象匹配，它利用实时图像和基准图像的匹配来实现自主导航、制导。
Its key equipment is scene matching correlator, and its key technology is scene matching. It realizes independent navigation and guidance by matching real-time image and reference image.
为此，本文将最小二乘图象匹配算法引入景象匹配辅助导航系统以获取图象匹配时的旋转变换参数。
So, the paper applies the least square images matching algorithm to the scene matching aided navigation system for getting the rotation transformation parameter.
介绍一种新的景象匹配的度量测度：不变线矩。
A new measure named invariant linear moment for image matching is introduced and proved in this paper.
剪裁区域的高宽很少景象下时候和屏幕的像素高宽相匹配的。
The clipping area height and width will rarely match the width and height of the window in pixels.
但在景象匹配过程中会不可避免的会出现匹配错误、匹配精度不够等问题，为此，基于景象匹配过程中载体机动性能规律，提出了飞行航迹近似为直线的误匹配点剔除方法。
Based on the carrier maneuverability law in scene matching process, the paper presented a method for eliminating the mismatching points when the flight track was approximated to a straight line.
论文的第一部分，建立了景象匹配问题的理论框架。
In the first part of the paper, scene matching problem as a whole is analysed and discussed.
实验结果表明，该平台对于景象匹配导航系统从理论到仿真的研究，以及算法的适应性分析等方面具有重要应用价值。
Experimental result shows that the platform is valuable for research of scene matching navigation system and adaptability analysis of matching algorithm.
实现虚拟信息与真实景象的正确匹配或有机结合是每个增强现实实用系统都必须完成的一项重要任务。
One of the most important tasks for every augmented reality application is to merge the virtual scene and real scene correctly and make it be an organic whole.
在景象匹配过程中，选用归一化互相关系数作为相似性度量。
During the process, the normalized cross correlation function is used as the similarity measure.
新一代的无人机，以及导航设备，很多已经采用了基于生物视觉原理的景象匹配导航技术。
The new unpiloted aircraft and navigation device has adopted the technology of vision navigation. For Image Matching Navigation, it's not enough for visible light image.
相对于针对SAR景象匹配算法的研究而言，目前针对SAR景象适配区选取的研究尚且有限。
But compared with multifarious SAR matching algorithms proposed, there are very few research works concentrating on the selection of good SAR matching-suitable areas at present.
研究了下视景象匹配区的自动选择方法。
Researches on the automatic selection of matching areas in the downward-looking matching system were made.
景象匹配中，实时目标图与基准目标图之间的亮度、对比度、噪声水平以及旋转等差异是造成误匹配的重要原因。
In scene matching, false matching occurs due to brightness, contrast, scale, noise, and rotation difference between real-time target image and standard target image.
将神经网络思想引入到景象匹配，提出了基于模糊集的神经网络景象匹配算法。
Via introducing neural network theory and fuzzy sets theory , a novel neural network algorithm (NNBF) based on fuzzy sets is proposed.
针对合成孔径雷达景象匹配实时信号处理特点，提出了一种实时处理系统的结构。
This paper thoroughly analyzes the features of UWB radar real-time signal processing system.
针对合成孔径雷达景象匹配实时信号处理特点，提出了一种实时处理系统的结构。
This paper thoroughly analyzes the features of UWB radar real-time signal processing system.
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