在结构光测量系统中需要对采集到的激光条纹图像进行有效处理。
The laser stripe image gathered in the structured light measurement system is needed to be processed effectively.
采用透射光栅和软x光条纹相机测量了铜激光等离子体软x光发射的时间分辨光谱。
Time resolved soft X-ray (SXR) spectra of copper laser plasmas are measured by involving a SXR streak camera with a SXR transmission grating.
该方法在比原算法节省大量逻辑资源的同时,光条纹中心提取速度得到了大大的提升。
The experiment shows that is a more efficient method than before, using less logic resources but enhancing the processing speed greatly.
提出了一种使用校验块的新方法,用来校验基于结构光条纹投射的三维人体测量仪的系统误差。
A novel method, which USES verifying block to verify the system error of 3d body measurement apparatus based on structured light fringe projecting, is mentioned in this paper.
水平的光条纹增加了一系列线性的空洞,它们增加了室外墙壁的光亮,同时也使自然光渗入室内。
Horizontal striations add a series of linear voids to lighten the appearance of the exterior wall, similarly allowing natural light to dapple the interior.
该系统产生的超短紫外光脉冲对X光条纹相机的动态参数及带时标的条纹相机的研究具有重要意义。
This fourth harmonic system offers wide applications to the diagnostics of the soft X ray ps streak camera and framing camera, nonlinear optics and other ultrafast phenomena study.
为提高结构光条纹中心线的提取精度和提高重建对象的表面光滑度,提出了一种基于曲线拟合的结构光条纹中心的检测方法。
To improve the accuracy of structured light methods and surface smooth degree of reconstructed object, new method based on curve fitting is advanced.
以结构光条纹相位为信息载体,采用相移技术精确地测量结构光条纹成像过程中相位的变化,实现高分辨的光线追迹,得到点列图。
The phase changes in the imaging process can be tested accurately by the phase-shifting technique and then used for ray tracing to get the spot diagram.
针对图像背景噪声强的特点,提出了一种基于感兴趣区域(ROI)的结构光条纹中心处理方法,即在ROI内用最大类间方差法进行阈值分割再用重心法进行细化。
Aim at removing the background noise in the large measuring range system (about 2m), a method which combines Otsu based on ROI and gray barycenter method is proposed.
红色条纹是加拿大落基山脉光与云相互作用所致。
The red stripe is caused by a the interplay of light and cloud in the Canadian Rockies. The light-reflecting nature of the clouds coupled with low sun elevation resulted in this startling effect.
由多条纹结构光投射器与CCD相机组成的视觉系统,广泛应用于非接触在线测量领域。
The vision inspection system consisting of multi-stripes projector and CCD camera finds a wide application in non-contact and online measurement.
利用条纹照相机直接观察和记录了由全息相位共轭技术产生的相位共轭的皮秒光脉冲。
The phase conjugation of picosecond optical pulses is observed and recorded directly by using a streak camera. The signals are achieved by holographic phase conjugate technique.
本文介绍光干涉条纹及其检测高精度浮动端面密封环密封面的理论与应用。
This paper introduces the optical interference and its theory and application on the inspection of high precision flatness of the seal-face of floating end-face seal rings.
提出了冻结的光弹性模型条纹经切削加工后的稳定性的概念。
Thus they advance the concept of stability of the frozen photoelastic model streaks after sliced.
如果和动光弹等色线结合,可以同时获得被测材料的弹性模量、泊松比、材料条纹值参数。
By combining with dynamic isochromate pattern, the elastic modulus, Poisson's ratio and dynamic material fringe value of the material measured can be obtained by the method.
分别采用双波长法和相移法研究了光弹性条纹的自动分析技术。
The application of two-wavelength method and phase shifting for automatic analysis of fringe patterns resulted from photoelasticity was investigated.
图6.20所示为一台市售的条纹倍增和细化装置,它安装在一台便于使用的专门设计的偏振光弹仪上。
Figure 6. 20 illustrates a commercially available fringe multiplication and fringe sharpening apparatus mounted on a polariscope specially designed to facilitate these applications.
在狭缝的夫琅和费衍射中,由振动平行和垂直于缝边的偏振光的衍射条纹得到的缝宽值不同。
In Fraunhofer diffraction of a slit, the slit widths obtained with the fringes produced by polarized light whose vibration is parallel or perpendicular to the slit edge are different.
那我们看见的光的条纹就是陨石破碎了,对吗?
The streaks of light we see is that meteoroids breaking up, isn't it?
通过将横向剪切干涉仪光路展开,得出反射镜角度变化与干涉条纹倾斜角和线对数变化之间的关系。
By unfolded the Lateral Shear Interferometer, the relationship between the line pairs and the tilt of strip with the tilt of reflected mirrors was derived.
利用现场可编程门阵列器件FPGA实现了结构光激光线图像条纹中心线的实时提取。
The use of field of programmable gate array (FPGA) makes the detection of Central Line of structured laser light stripe image implementation in real -time.
如何从各种噪声尤其是强烈的不均匀背景光噪声中提取清晰完整的条纹是热流场层析图预处理的主要问题。
How to extract clear and intact fringes from all kinds of noises, especially strongly inhomogeneous background illumination, is the key problem in preprocessing of thermal flow field tomogram.
进行了光面护壁爆破和切缝护壁爆破技术的动态光弹性试验,获得了光面护壁爆破和切缝护壁爆破过程的等差条纹图。
The isochromatic fringes graphs of smooth blasting and cutting seam blasting of pipe protecting borehole wall were obtained upon dynamic photo-elasticity experiments on both kinds of blasting.
制作具有光变图像(OVD)光栅条纹的大面积全息原版,是激光图像无油墨印刷的核心技术之一。
The technology to make a large area master with the grating of optically variable device (OVD) is role in holographic image embossing.
对于理想的相干光,影响干涉条纹可见度的主要因素是光波的光强。
For an ideal coherent light, the chief factor that affects fringe visibility is light intensity.
条纹灰度法在光弹性中能自动采集数据、分析和显示等色线条纹图。
A fringe gray level method can be used to automate the data collection, analysis and display of isochromatic-fringe pattern in photoelasticity.
研究和建立了以几何光学近似光散射理论为基础的激光相位多普勒空间干涉条纹模型。
A theoretical model of laser phase - doppler sizing anemometer based on the geometrical optics approximation of light scattering is studied.
当两相干光附加一按固定频率变化的相位差时,其干涉条纹的光强将随之交变,即为相位调制干涉。
In addition to alternating phase difference between two aims of interferometer, the intensity of light of the interference fringes will vary in the same frequency, which is called as phase modulation.
当两相干光附加一按固定频率变化的相位差时,其干涉条纹的光强将随之交变,即为相位调制干涉。
In addition to alternating phase difference between two aims of interferometer, the intensity of light of the interference fringes will vary in the same frequency, which is called as phase modulation.
应用推荐