fisheye lens

Research on Application of Omni-directional Computer Vision Based on the Fisheye Lens

基于鱼眼镜头的全方位机器视觉应用研究

Fisheye lens is also applied to video surveillance to achieve the " blind spot " monitoring .

而将鱼眼镜头应用到视频监控领域，可以实现无盲区监控。

Both are matchbox size with an off-centre fisheye lens and two big control buttons .

两款相机都是火柴盒大小，都有一个偏离机身中心的超广角镜头和两个较大的控制按钮。

We use a fisheye lens upwards with the view angle of 185 ° to build the omnidirectional vision system .

我们用视场角可达到185°的鱼眼镜头来建立全方位视觉系统。

The author also introduces the main techniques of panorama virtual roaming including the methods for implementing fisheye lens and panoramic generating .

再次，重点介绍了全景在线虚拟漫游景观的主要技术，包括鱼眼镜头和生成全景的几种方法。

The fisheye lens means you can 't accidentally take head-on photos of people unless you are very close to their faces .

鱼眼镜头使你不会无意间拍到别人的正脸，除非你离他们的面部非常近。

The major distortion error of fisheye lens is divided into three categories : radial distortion , eccentric distortion and thin prism distortion .

鱼眼镜头主要的畸变误差分为三类：径向畸变、偏心畸变和薄棱镜畸变。

Making QuickTime Cubic VR with Fisheye Lens

使用鱼眼镜头制作QuickTimeCubicVR

Because of these features , the fisheye lens in the video conferencing , security surveillance , intelligent transportation and other fields have broad market prospects .

由于以上特点，鱼眼镜头在视频会议、安防监视、智能交通等领域具有广阔的市场前景。

A lot of research has been done on fisheye lens which has been used widely in many application areas due to it super wide view angle in machine vision field .

鱼眼镜头因其超大范围的视场角成为近年来机器视觉领域内的研究热点，并得到了很多成功的应用。

The fisheye lens can reach excellent imaging quality in such an austere environment , and provide important guarantee for information capture with extreme wide-angle view on the orbit .

相机在严峻的空间环境下具有良好的环境适应性，为在轨获得超广角空域信息提供了保证。

At last , the above image correction algorithms are applied into fisheye lens monitoring systems , and the centre expansion , multi-view expansion and panoramic view expansion display modes are achieved .

最后将上述图像校正算法应用于鱼眼镜头监控系统中，实现了中心展开、分视角展开和全景展开三种方式下的监控视频显示。

Since the devise of the fisheye lens , the range of the application of it is more and more widely and the two important aspects of which are virtual tour and video surveillance .

鱼眼镜头出现以后，它的应用越发广泛，而虚拟漫游和视频监控是其中的两个方面。

Chapter 2 : Expatiate on the basic theory of the GRIN micro-sphere-lens , especially on the classical model & MAXWELL fisheye lens , which demonstrates their excellent optical properties .

第二章：阐述了一般GRIN球透镜的基础理论及球透镜的典型模型&Maxwell鱼眼微球透镜的各种光学性能，说明了此类透镜的优越性。

The paper investigated the image of modeling fisheye lens and obtained the method from origin image to interested object by using " Image-pro plus " software . It could be understood and operated easily .

文章以模拟鱼眼镜头的模型照片为研究对象，应用Image-PROPLUS图像处理软件，得出从原始图像提取目标的方法步骤，易于理解，方便操作。

Chapter 2 . An analysis is made on general optical character of spherical GRIN material and make an example of Maxwell fisheye lens model to elaborate the efficiency of imaging and coupling of the GRIN lens .

第二章介绍了一般球梯度折射率光学器件的光线理论，并以Maxwell鱼眼微球透镜模型为例研究球梯度微透镜在成像及光耦合方面的性能，显示此类透镜的应用前景。

It packs a 5-megapixel camera with fisheye lens and five sensors -- including an accelerometer , compass and thermometer -- in order to take a picture when it thinks your surroundings have changed .

它配置了一个500万像素的鱼眼镜头和五个传感器――其中包括加速计、指南针和温度计――这使它能感知周遭环境变化，及时拍照。

Based on the panorama picture taken by fisheye lens and laws of the sun 's movement , it may be exactly concluded whether a certain spot is shadowed by its surroundings and predicted the possible shadowing time .

利用鱼眼镜头成像规律以及太阳的运动规律，准确地找到测试点周围物体对该点阳光是否遮挡，以及遮挡的时刻。

The device with a fisheye lens is able to obtain larger viewing angle . So larger field can be obtained with less fisheye cameras than the normal camera . And the image acquisition process is simplified , and the hardware resources is saved as well .

采用鱼眼镜头的图像采集设备能够获取比一般采集设备更大的视角，因此能够用更少的带有鱼眼镜头的采集设备获得更大范围的景物，从而简化图像采集过程，节约硬件资源。

Compound structure of Maxwell fisheye sphere lens

麦克斯韦鱼眼球透镜的一种复合结构

But the study on the theory of Maxwell fisheye microspheric lens shows that on certain condition it has fine image formation ability and coupling efficiency .

但通过对麦克斯韦鱼眼微球透镜的理论研究表明，在一定条件下，它具有良好的成像性能和耦合效率。

When , Maxwell fisheye sphere lens images for the short distance object point with small-est aberration , the bigger difference of refractive index △ n is required , but the present ion-exchange technology is hard to reach this level .

麦克斯韦鱼眼球形透镜对近距物点以最小像差成像时，往往要求较大的折射率差值△n￣〔1〕，目前的离子交换制作工艺尚难达此技术水平。

Studies on the collimation of Maxwell fisheye sphere micro - lens

MAXWELL鱼眼微球透镜准直性能的研究

This paper discusses the principle of spherical screen motion-picture and the design method of fisheye lenses for photograph and projection of it . The characteristics of the structure and the aberrations of the fisheye lens are described and two examples of The fisheye lenses are given respectively .

本文介绍了球幕电影的原理以及球幕电影摄影用和放映用鱼眼物镜的设计方法，论述了鱼眼物镜的结构型式和象差特点，并给出了摄影用和放映用两种鱼眼物镜的实例。