Then, the proper grayscale threshold and edge-detector are selected to obtain the binary image and the target boundary.
选取适当的阈值和边缘检测算子对候选目标进行图像二值分割和边缘提取；
In first part, describing how the line detector is constructed from the edge detector.
首先阐述了从边缘探测器中建构线状探测器。
Morphological gradient is a nonlinear edge detector that can overcome the some drawbacks of the linear edge detector. Wide edges detected by morphological gradient cause the low edge resolution.
数学形态学边缘检测器能克服线性边缘检测器的一些缺点，但是存在宽边缘，导致边缘分辨率较低。
A system and method for imaging a volume having a detector including a first atomic species with an absorption edge at a first wavelength.
用于对体积成像的系统和方法，具有包括第一原子种类的检测器，第一原子种类具有处于第一波长的吸收边沿。
The second atomic species has a characteristic emission peak that substantially matches the absorption edge of the detector.
第二原子种类具有实质上匹配检测器的吸收边沿的特征发射峰值。
A new edge detector is constructed by using the basic operators in soft mathematical morphology and it is applied to detect the edges of medical images.
利用软数学形态学中基本算子构造了一种新的边缘检测器，并将其用于医学图像的边缘检测。
When machining vibratory drums on NC boring and milling machine, photoelectric edge detector instead of the original alignment method was used to achieve better result.
采用数控镗铣床加工振动轮时，利用光电式寻边器替代原有的校正方式可以取得比较好的效果。
The performance of ordered statistic with cell averaging (OSCA) CFAR detector under K-distribution clutter edge situation was studied.
文中研究有序统计平均(osca)恒虚警检测器在K分布杂波边缘中的性能。
The performance of the Ordered Statistic with Greatest Option CFAR (OSGO-CFAR) detector in K-distribution clutter edge is studied.
研究有序统计选大(osgo)恒虚警检测器在K分布杂波边缘中的性能。
The basic concept of a coordinate logic is firstly introduced and a novel non-linear edge detector using multi-structure element is proposed for the application of edge detection.
首先介绍了坐标逻辑运算的基本概念，并就其在图像边缘检测方面的应用提出了一个新颖的利用多结构元进行边缘检测的非线性算子。
A method of detection and visualization of shock waves from the calculated data with the edge detector has been proposed in this paper.
利用边缘检测算子从计算数据中检测出位于边缘上的点，通过处理压力数据可以在图像中清晰地显示冲击波的轮廓。
This paper mainly studies the edge detection of noisy images. An edge detector based on the fuzzy theory is presented.
该文主要研究了受不同噪声污染图像的边缘提取问题，提出了一种基于模糊理论的边缘检测算法。
Moreover, the proposed edge detector needs no threshold for conventional edge detection and has strong retention capacity of the details.
实验表明，该方法具有较强的细节保持能力，达到了令人满意的边缘检测效果。
And then a new edge detector is defined by using the multi-scale operation of the modified morphological transform.
在此基础上利用改进形态学算子的多尺度运算定义了一种新的边缘检测算子。
It utilizes the latest advances in electronic technology, and its functional design represents the leading edge of the metal detector engineering art.
他囊括了最先进的电子技术，他的实用设计代表了机械艺术的前沿。
It utilizes the latest advances in electronic technology, and its functional design represents the leading edge of the metal detector engineering art.
他囊括了最先进的电子技术，他的实用设计代表了机械艺术的前沿。
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