The slightest movement will defocus the microscope.
最轻微的运动都会使显微镜散焦。
A new method for depth measurement based on defocus images was proposed.
提出了基于散焦图像深度测量的一种新方法。
Motion blur and defocus blur are the common blur types which degrade image.
运动模糊和散焦模糊是常见的两种图像模糊类型。
The 135mm DC, or "Defocus Control, " lens, is among Nikon's sharpest lenses ever.
该镜头135mm直流，或“散焦控制”镜头，是在尼康的镜头有史以来最大。
Integrated filter to defocus the selection mask, to avoid problems with noise or grain.
在选定的遮罩中使用整合的滤镜进行散焦，避免出现噪点和颗粒。
High frequent energy represents differences among images in different defocus position.
聚焦过程中，不同离焦点其图像差异体现在高频能量上。
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。
A new method to measure the optical defocus of a passive imaging system (ODPIS) is proposed.
提出了一种测量被动成像系统光学散焦的新方法。
A new method for depth measurement of mobile object based on defocus images was proposed....
提出了一种基于散焦图像移动目标深度测量的方法。
The wavefront curvature sensor comprising a phase defocus grating is designed and fabricated.
研制了一套相位光栅型波前曲率传感器。
Given the loss of fringe visibility, the tolerances of defocus and tilt have also been obtained.
并给出了一定条纹可见度损失的情况下各部分的允许误差。
Therefore, in this paper, a novel Depth from Defocus (DFD) method is proposed to solve this problem.
因此，提出了一种新的通过物距变化恢复景物全局深度信息的方法。
The two parameters have good application in practical defocus analysis due to their independence of reference image.
图像熵和高阶累积量不需要参考图像，因此可以在实际的离焦分析中广泛应用。
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。
A new pinhole-focusing scheme using referenced defocus signal is applied to an automatic subsystem for laser direct writing.
一种新的采用基准离焦信号的针孔调焦方案，用于激光直写的自动对焦子系统。
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。
The lens may take a variety of shapes, including Fresnel features, and may focus, collimate, or defocus the ultrasonic energy.
透镜可以采用多种形状，包括菲涅尔特征并且可以聚焦、准直或散焦该超声能量。
FMF evaluates the defocus degree of interesting region image. Focus measurement is a kind of reference image quality evaluation.
聚焦是针对兴趣区域的聚焦，聚焦评价函数完成对兴趣区域的离焦程度评价，它是一种有参考的图像质量评价。
The sensor can do comparatively precise measurement on the aberration of defocus, astigmatism and so on, with error rates less than 1.
传感器对于离焦，像散等像差模式都可以进行较为准确的测量，误差率都小于1。
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。
It can be used to optimize the all optical switch design for different materials (self focus and defocus), nonlinear indices and wavelengths.
此设计方法可以对不同的材料(自聚焦、自散焦)、不同的非线性折射率和波长等进行波导全光开关优化设计。
This, combined with the information provided by the studies described above, emphasizes the role of optical defocus in inducing refractive error change.
结合前面讲到的，这突出了光学离焦在引起屈光不正病因中的重要作用。
Furthermore, the methods above are applied to the micromanipulator system, and an experiment to insert a needle into another in defocus status is fulfilled.
进一步，将上述方法应用于微操作机器人系统，成功完成了离焦状态双针互插实验。
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。
Laser direct writing system is the key equipment for fabrication of optical diffractive elements, and the defocus detection technique is the important sub-tech in it.
激光直写机是制作衍射光学元件的关键设备，离焦检测技术是其中的重要单元技术之一。
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。
From analyzing the data of the slope and et, he speculated that the sensory system in LOM subjects might be less sensitive to defocus than that of emmetropic subjects.
分析坡度和ET资料后，他推测在LOM人员中，对离焦感觉的敏感性不如正视眼那么高。
But in the actual silo measurement, the photograph of the missile is fuzzy because of the camera's quiver, the object's movement, and the defocus diffraction and so on.
实际井下测量过程中，存在相机振动、目标运动、离焦衍射等问题，导致拍照的图像模糊不清。
The GF1 also provides a total of 16 Scene modes, including a new Peripheral Defocus mode that keeps the subject in sharp focus while gently softening the focus around it.
该GF 1系列还提供了16种场景模式，包括一个新的外围散模式保持了这一问题的焦点轻轻软化，而周围的重点总额。
When biological cells or tissue thick specimens are imaged by bio-optical microscopy, image resolution decreased significantly due to the impact of diffraction and defocus.
生物光学显微镜对生物细胞(组织)厚样本成像时，由于受衍射和散焦成份的共同影响，成像分辨率明显下降。
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