profilometry

The phase-measuring profilometry ( PMP ) applied in big scale measurement.

将相位检测面形术 ( PMP ) 用于大尺度、高精度三维面形测量中.

互联网摘选

Computer stereo vision technique can be mainly described as two images combination, Moire contouring, Fourier transform profilometry, phase measuring profilometry, active triangulation, range form focus, time of flight and spectrum project method.

计算机立体视觉技术主要有双像合成法、莫尔条纹法、傅立叶变换轮廓法、位相测量法、三角测距法、聚焦法、飞行时间法和光谱法。

互联网摘选

In 3-D surface profilometry by means of high-speed laser sheet, since the increase of distance between two optical cross-sections, the discontinuity on the object surface will lead to an erroneous triangular facet and distorted surface reconstruction.

在高速光截法三维面形测量中，由于光截面之间距离增加，物体表面的不连续性将容易导致错误的三角网格化，引起面形重建的畸变。

互联网摘选

The accuracy of phase-measuring profilometry ( PMP ) is greatly influenced by the environmental light room.

在野外运用相位测量剖面术 ( PMP ) 测量物体三维面型时,环境光场经常发生变化,从而严重影响测量精度.

互联网摘选

A New Phase Measuring Profilometry Based on Differentiation

基于微分法的新相位测量轮廓术

互联网摘选

Methods of improving the depth resolution in optical 3-D profilometry with laser sheet

激光片光三维传感中提高深度分辨率的方法

互联网摘选

Profilometry for phase measurement with non-integral times twin-frequency grating is proposed, lowering the errors transferring during phase-unwrapping. The simulating experiment compared with integral times twin-frequency grating shows that the measuring precision is improved.

提出了采用非整数倍双频光栅投影的相位测量轮廓术，减小在相位展开过程中误差的传递，与采用整数倍双频光栅投影测量进行了模拟对比实验，表明测量精度得到了提高。

互联网摘选

Measure Buckling Mode of Sectioned Thin Shell by Optical Method of Profilometry Measurement

形状测量的光学方法应用于组合薄壳的屈曲模态测量

互联网摘选

Chapter 2 explains the principle of extracting 3-D information from the deformed grating pattern, including Fourier transform profilometry and an algorithm to demodulate deformed grating pattern, and introduces the concept of the phase unwrapping.

第二章说明了所要应用的光栅投影测量直接分析法的基本原理，介绍了傅立叶变换轮廓术、正交验波位相解调算法及位相图去包裹的基本概念。

互联网摘选

D topography measurement consists of Moires method , phase-shifting method shadow moir é profilometry.

三维物体形貌测量技术包括:云纹轮廓术 、 相位测量法、投影栅线相位轮廓术.

互联网摘选

Three dimensional Profilometry Using a Single Mode Optical Fiber Phase shifting Method

单模光纤相移三维轮廓测量术

互联网摘选

Phase Measuring Profilometry ( PMP ) a composite grating is a non-contract and-time-dimensional ( 3 D ) measurement method.

基于复合光栅的相位测量轮廓术在物体三维信息重建中是一种 非接触 、 实时 的测量方法.

互联网摘选

Study on Data Registration of Subdivided Shapes in Optical 3-D profilometry

光学三维形面分区域测量数据的拼接研究

互联网摘选

A simple calibration model was developed for digital fringe projection profilometry ( DFPP) based on absolute phase extraction and space mapping techniques to simplify the measuring system.

建立了数字光栅投影轮廓测量系统的简易标定模型，以实现测量系统的简便化和便携式应用。

互联网摘选

Bashed on computer image analysis, fractal theory is used to analysis the binary image of crepe fabrics, restored surface and fabric surface section contour image bashed on Fourier transform profilometry of crepe fabrics.

基于计算机图像处理，借助分形理论对绉织物纹理的二值化图像和基于傅立叶变换轮廓法得到的绉织物的三维面形分布图和切面轮廓分布图进行研究。

互联网摘选

In Fourier transform profilometry ( FTP), zero frequency of the captured patterns influences the measuring range and measuring precision, and even makes the reconstruction of three-dimensional surface incorrect.

在实际傅里叶变换轮廓术测量中，获取条纹图的零频分量对傅里叶变换轮廓术的测量精度和测量范围有很大影响，甚至妨碍三维面形的正确重建。

互联网摘选

Study of the Automatic Measurement for Three-dimensional Shapes of Fabric Appearance with Two-dimensional Fourier Transform Profilometry

基于二维傅立叶变换轮廓法的织物表面形态测量研究

互联网摘选

Measurement Errors Analysis of 3-D Profilometry Based on Linear Coding Structure Light Having Isosceles Triangle Teeth

等腰三角形结构光编码的面形测量误差分析

互联网摘选

Studies on a Optical Three-dimension Phase Profilometry Measurement Technology

光学三维位相轮廓测量技术研究

互联网摘选

A new method of unwrapping for three-dimensional profilometry is presented in this paper.

本文提出一种可用于三维面形测量的新的去包裹方法.

互联网摘选

Methods of reducing the speckle noise and improving the depth resolution in optical 3-D profilometry with laser sheet are proposed in the paper.

提出了两种在激光片光三维传感中降低散斑噪声、提高深度分辨率的方法。

互联网摘选

The fiber optic Moire interferometric 3-D profilometry has been developed in this paper.

本论文研究了光纤莫尔干涉三维轮廓术.

互联网摘选

3-D active vision sensing technique is mainly involved in time-of-flight method, point structured light scanning, linear structured light scanning and space encoding structured light method, Moire contouring, phase measuring profilometry, Fourier transform profilometry, etc.

主动三维视觉传感技术主要有飞行时间法、点结构光扫描法、线结构光扫描法和编码面结构光法、莫尔法、相位测量轮廓术、傅里叶变换轮廓术等。

互联网摘选

Of the different shape measurement methods and the phase analysis techniques, optical profilometry for the diffused reflection objects can be classified into two groups, namely direct triangulation and grating projection phase measurement method.

对于漫反射物体的轮廓测量的光学投影式轮廓测量技术，根据不同的测量方法和条纹图像分析技术可以大致分为两种：直接三角法和相位测量法。

互联网摘选

3-D Profilometry Based on Linear Coding Structure Light with Isosceles Triangle Teeth

具有等腰三角形齿结构的线性结构光编码的三维面形测量技术

互联网摘选