Optical correlation is realized by using turn-mirror scanning non-coherent signal dynamically.
利用转镜进行非相干光的动态扫描可以实现光信号的相关。
This paper discussed the pattern recognition technique based on optical correlation processing.
本文研究基于光学相关处理的图象识别技术。
At present there are two realization ways of optical image recognition: optical correlation and optical nerve network.
目前光学图像识别主要有光学相关和光学神经网络两类实现方法。
This paper presents how to recognize targets under complicated background of cloud in sky by stimulating optical correlation.
针对云层中目标的识别问题,以计算机模拟光学相关运算给出了识别结果。
Using the technology of optical correlation can real-time track and recognize moving targets, but the reliability is not very good because of noise while dealing with the images.
利用光学相关的目标识别技术可以实时处理和检测目标,但检测效果容易受噪声影响,检测的可靠性不高。
A concept of multi-complex matched filter is introduced to improve the recognition of optical correlation image and the resistance of distortion, and a new way for the recognition is discussed.
为提高光学相关图像识别的准确度和抗畸变能力,引入多重复合匹配滤波器概念,探讨一种新的识别思路。
Optical fiber-digital speckle pattern correlation method (FDSP) is studied based on theoretical analysis and experimental research.
对光导纤维—数字散斑相关方法进行了详细的理论分析和实验研究。
An optical flow method instead of the cross correlation method is proposed for convective precipitation system.
针对强对流降水的情况,提出了使用光流法计算得到的光流场来代替交叉相关法得到的运动矢量场。
The fractional Fourier transform contains the spatial information and the spatial-frequency information simultaneously. The fractional correlation can be used to optical pattern recognition too.
分数傅里叶变换同时包含了空间域和空间频率域信息,分数相关也可以用于光学图样识别。
After joint best basis selection, eigen-images are generated and applied in a volume holographic correlation recognition system to implement optical iris recognition.
生成最优基的特征图像,采用体全息相关识别系统实现虹膜的光学识别,实验取得较好的效果。
The experimental results can be explained with the second-order spatial correlation of a multimode thermal optical field.
实验结果可以用多模热光场的二阶空间关联性质来解释。
A technique of using optical wavefront-division multiplexer to realize high efficiency joint transform correlation is proposed in this paper.
提出一种利用光学波分复用器实现实时高效联合变换相关的方案。
In this paper, two methods of realizing optical pattern recognition, spatial matched filter correlation and joint transform correlation (JTC), were discussed first with the emphasis on the JTC.
本文首先论述了实现光学模式识别的两种方案,空间匹配滤波相关识别和联合变换相关识别的原理和技术。
The performance of the adaptive binarization thresholding method has been compared with that classical optical correlator in the areas of correlation peak to and SNR (signal to noise ratio).
和传统的联合变换相关器结果比较,自适应阈值法对于输出的相关峰值、信噪比等主要参数都有明显提高。
The optical measurement system of digital image correlation method was established, and the full field displacement of the single-edge crack specimen was obtained experimentally.
通过搭建数字图像相关方法光学非接触测量系统,试验表征含单边裂纹芳纶纤维复合材料试验件在拉伸载荷作用下的全场位移。
The optical double correlation is a new technique not using a holographic matched filter.
光学双相关技术是一种不用光学全息匹配滤波器的新技术。
By this filter, the shift, scale and rotation invariant optical pattern recognition was realized with a high signal noise ratio of correlation output.
用这种滤波器实现了平移、旋转、尺度三重不变光学图像识别,且有较高的信噪比。
Since the downward conversion photon pairs have strong correlation in time, they can be used for noise - free optical communication.
由于下转换光子对具有很强的时间相关性,可用来进行无噪声的光通讯。
The simulation is discussed in detail, including the violation of the Bell inequality and the correlation properties of optical pulses' group delays.
为了与量子纠缠类比,进一步研究了这种纠缠态对贝尔不等式的破坏以及波导群时延的相关性质。
Optical joint transform correlation can recognize automatically, overcome the drawback of filter-based correlator, and it is suitable for real-time processing, can achieve better recognition result.
克服了经典的匹配滤波相关存在大的相关旁瓣、很大的相关带宽和低的光效率等缺点。
The possibility of the correlation detection with the signals of change in scale th-rough scanning the input plane in an optical intensity correlator has been considered.
对强度相关器中输入平面轴向位移实现尺度变化相关进行了理论分析。
The spatiotemporal correlation of filaments is obtained with optical method.
利用光学方法测量了介质阻挡放电中放电丝的时空特性。
The spatiotemporal correlation of filaments is obtained with optical method.
利用光学方法测量了介质阻挡放电中放电丝的时空特性。
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