介绍一种用矩不变量跟踪天气雷达回波,以估测回波区域内部流场的方法。
A new moment invariant method was presented to evaluate the flow field within weather radar echo.
本文提出了一种新的、建立在图象投影基础上的二维矩快速算法,称为投影矩不变量。
In this paper, we present new fast moment invariant computations based on image projection, which are called projection-moment invariants.
图像矩不变量被提取出来作为图像的索引,来生成依赖于原始图像的、攻击者不知道且不同图像不同的水印。
Image moment invariants are extracted as the index to generate the image-dependent watermark, which is unknown to the attacker and different for different images.
矩不变量在图像进行平移、旋转和尺度变换时保持定值,因此被广泛使用在目标识别、图像分类、图像压缩和场景匹配等各种领域。
The invariable moment, which is invariable to the translation, scaling and rotation of image, is widely used in object recognition, image classification, image condensation, scene matching and so on.
针对分形图像压缩中矩形划分计算量太大的问题,提出了一种混合分类方法并将其应用于图像的矩不变量,得到了一种基于矩形划分的快速分形编码方法。
Aiming at the question that the computational complexity of HV partition is great in fractal image compressing, a hybrid classification method was proposed and it was used on mass center of image.
针对分形图像压缩中矩形划分计算量太大的问题,提出了一种混合分类方法并将其应用于图像的矩不变量,得到了一种基于矩形划分的快速分形编码方法。
Aiming at the question that the computational complexity of HV partition is great in fractal image compressing, a hybrid classification method was proposed and it was used on mass center of image.
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