The programmer needs to worry about many aspects of session management which can defocus him/ her from the main goal: implementing the business logic that makes the site unique and profitable. 程序设计者会担心会话管理的许多方面,它能够将他/她从主要目标中的注意力分散:执行这个使此网站唯一且有用的商业逻辑。
Therefore, in this thesis, three image processing algorithms are proposed based on the depth from defocus ( DFD) to obtain depth information. 因此,为了获得景深信息,本论文研究了散焦测距的几种视觉模型。
Depth from defocus based on uneven defocusing model 利用不均匀散焦模型获取景物深度信息
The Effect of Optical Defocus to Refractive Status of Guinea Juvenile Pigs 光学离焦对幼龄豚鼠屈光状态影响的实验研究
Objective To investigate the influence of myopic optical defocus on the emmetropization of infant rhesus monkeys. 研究近视性光学离焦对幼恒河猴正视化过程的影响。
The models for analyzing the value of the defocus quantificationally was built, which provides the theoretical reference for the evaluation and improvement on the image quality of spatial targets. 本文旨在通过构造模型来定量分析其散焦量,为星像质量的评估和改善提供理论参考。
Not round and on one side it will be elongated vertical and the other side horizontal then as you go more defocus it will snap to a perfect symmetrical circle. 如果在一面是垂直拉伸的,在另一面水平方向,如果你继续散焦,会变成对称的圆环。
In this paper, the differential astigmatic detection method for defocus measurement with one-way defocused detector is developed from the conventional differential as. 本文在传统差动像散检测方法基础上,给出一种基于单向离焦的差动像散检测方法。
A good test is to defocus just a bit and see if the image is nice and round or egg-shaped. 一个好的测试方法是虚焦一点点,看图像是不是圆形或者是蛋型的。
Defocus control doesn't mean soft focus, it means "background softness control." 散焦控制并不意味着软聚焦,它意味着“背景疲软的控制。”
This paper introduces a practical method for computer to estimate the defocus blur parameter in cepstrum area. 介绍一种倒谱分析方法,使计算机能较好地识别散焦模糊参数。
Detection, location and labeling under a multi-moving-person, multi-view set The Effect of Uncertainty in Defocus Distance on the Wave-front Reconstruction with the Phase-diversity Algorithm 多视角多行人目标检测、定位与对应算法离焦量误差对相位差法波前重构的影响
The temperature has more influence on the optical system based on the analysis of the various factors effect on the defocus. 本文通过对影响离焦的各种因素的分析可知温度的变化对光学系统的影响最大。
If it is egg-shaped, it will look the same on both sides of defocus, just turned around. 如果是蛋型的,那么焦内焦外看起来是一样的。
The Sensitivity of Accommodative System to Retinal Defocus in Myopia 近视眼调节系统对视网膜离焦敏感度的相关研究
Research on Detection of Defocus Length Based on Optical Modulator 基于空间光学调制的离焦探测技术研究
Novel algorithm of camera calibration based on defocus images 一种新的基于散焦图像的摄像机标定方法
However, the reconstructed images suffer from degraded contrast due to the superimposition of foreground defocus blur. 然而,由于重构出的目标图像中叠加了前景遮挡物的离焦图像,因此其对比度受到严重影响。
Point spread function ( PSF) and Strehl ratio ( SR) are used to evaluate the imaging quality of the system with different defocus parameters. 通过分析点扩散函数、斯特列比和离焦量的关系来评价三种不同掩模板对光学系统成像质量的影响。
Moreover, the welding speed effects on the fish-scale spacing and the defocus distance on the weld bead penetration and weld width mainly. 扫描速度对焊缝表面的鱼鳞状条纹间距影响尤为明显;离焦量主要影响焊缝的宽度和熔透性;
Defocus is one of the most familiar reason inducing image degradation. 离焦是造成图像模糊的最常见原因之一。
The Effect of Uncertainty in Defocus Distance on the Wave-front Reconstruction with the Phase-diversity Algorithm 离焦量误差对相位差法波前重构的影响
The full-field calculation of active depth from defocus is proposed. 提出了离焦三维测量的全局计算方法。
Depth from defocus is based on location of object and departure degree of focus plane. 散焦测距的原理是根据物体所处位置与摄像机聚焦平面的偏离程度对应在像平面上形成模糊的散焦图像的模糊程度,且偏离距离越大,模糊程度越大。
Numerical experiments are performed to simulate the degradation arisen from diffraction and defocus in coaxial spherical optical system. 对光学成像系统常见的离焦、衍射模糊问题进行了仿真;
A new method for depth from defocus images is proposed. 提出了一种基于散焦图像计算景物距离的新方法。
It is effect to the motion blur of any direction, defocus blur or the mixed blur. 可以解决任意角度的运动模糊、散焦模糊以及两种类型的模糊相混合情况下的图像恢复,为常见的模糊图像恢复提供了一个简洁、准确的方法。
Objective To study the effect of defocus and aniseikonia induced by anisometropia on stereopsis. 目的研究实验性屈光参差及其造成的视网膜像模糊和不等像视对立体视的影响。
The both methods could adapt well to the defocus and the motion blur simultaneously. 这两种算法都能很好地同时适应散焦模糊和运动模糊的参数识别。
The accuracy of this method and some influencing factors such as image dimension, shooting angle, defocus and lens distortion were analyzed and the scope of application was studied. 对该方法的精度和一些影响位移测量的因素如图像大小,拍摄角度,离焦,镜头畸变等进行了分析,探讨了方法的适用范围。