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After analyzing traditional image difference subtraction algorithm, based on the theory of mathematical morphology, Top-Hat operation algorithm is chosen to remove image noise and perform the task of object detection based on gray morphology theory.

在分析传统的差影减法实现目标检测算法的的基础上，基于灰度数学形态学原理，采用 Top-Hat运算去除图像噪声并完成纸病图像的可疑目标的快速检测。

As for top-hat beam and transmittance of 0.1-1.0 of Gaussian beam intercepted aperture, they were measured to transmittance curves of Z-scan.

但由于实验过程中得到的高斯-贝塞尔光束不易加以确认，所以在实验上利用灵敏度较高的top-hat 光束进行测量。

In order to complete the task of detecting and tracking infrared dim objects much faster, the paper introduces an effective hardware design. Image pre-processing is completed by implementing Top-hat arithmetic in FPGA, which mitigates the DSPs' task greatly, so, it is able to do more operations in the limited time, and the system's real-time requirement can be fulfilled better.

为了以更快的速度完成对红外弱小目标的检测与跟踪任务，将图像的预处理电路放在FPGA里实现，通过完成Top-hat算法使后续DSP的处理大大减轻任务，使其在有限的时间内能够完成更多的运算，这在很大程度上保证了系统的实时性。

When compared with conventional mathematical morphology Top-hat algorithm, several groups of experimental results demonstrate that the presented algorithm can suppress background effectively and the signal-noise ratio and contrast of image is improved efficiently.

与数学形态学Top-hat算法比较，实验结果表明本文所提算法能有效地抑制图像背景，从而较好地提高图像的信噪比和对比度。

This paper presents a new methods that enhance the image of hand vein based on contrast limited local histogram equalization and top-hat transform to overcome the influence of photoelectric and thickness of the back of hand skin.

为了克服光强，手背厚度对手背静脉图像的影响，提出一种新的手背静脉图像增强方法，对比度受限的局部直方图均衡和top-hat变换相结合的方法。

Classical Top-Hat transform only uses structure element in one size and can not effectively extract objects in the image, because only part of objects may have a high response for a given structure element size and a lower response for the rest.

经典的Top-Hat变换用唯一尺寸的结构元素对图像进行处理，并不能有效地提取目标，图像上面的结构或目标不一定对那个尺寸的结构元素敏感。

Toward detection of feeble moving infrared spot target, improved Top-Hat morphological filtering operator is presented based on improved genetic algorithms.

针对红外序列图像中运动弱小点目标的检测问题，设计了一种基于改进遗传算法优化的修正Top-Hat形态学滤波器算子。

To avoid the decrease in signal length in morphological wavelet decomposition, a novel morphological un-decimated wavelet based on multi-scale Top-Hat transformation is proposed.

针对形态小波分解过程的抽样引起信号长度逐层递减的问题，提出一种基于多尺度Top-Hat变换的形态非抽样小波构造方法。

To answer questions like "Who are the top-k most typical NBA players?",the measure of simple typicality is developed.

我们系统地建立了大型数据集的模型，形式化定义描述了三种典型的top-k查询方法。

We model typicality in large data sets systematically. Three types of top-k typicality queries are formulated.

本文我们实现了针对物理和理科数据查询回问题进行代表性分析，并且研究了一种新的top-k应答典型查询问题。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。