Miniaturised Hyperspectral Imager for Remotely Piloted Aircraft Surveys
用于遥控飞机测量的小型化高光谱成像仪
基本信息
- 批准号:NE/L012278/1
- 负责人:
- 金额:$ 5.16万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2014
- 资助国家:英国
- 起止时间:2014 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The colour of an object, e.g. a tree or a field of grass, is controlled by the way in which light interacts with the material of the object (leaves, trunk, soil). By measuring the colour of an object (its reflectance spectrum), we can work out what materials are present, how much of them are there, and sometimes we can even work out whether they are healthy or dying. Spectral cameras are used to take images of objects from a distance using different colours (wavelengths) of light. By putting spectral cameras on satellites orbiting the Earth, we can monitor vast areas of the planet; whole oceans and continents. However spectral cameras on satellites are generally designed to cover big areas (wide swath) and many are not able to resolve small features below ~1km. Satellite cameras are also limited by being unable to see through clouds. This means we need a different vehicle to mount spectral cameras on for local studies of e.g. rivers, lakes, estuaries or for seeing high resolution images of fields and forests. Aircraft have been used to do this for many years, very successfully, but they are expensive to run and it is very hard to organise getting the aircraft out to a remote location at exactly the same time as people on the ground or on a boat. Recently a new type of remotely piloted aircraft (RPA - also known as a drone) has become cheap enough and reliable enough for it to be possible for individuals or small research groups to be able to afford to buy and operate them. These RPAs are small and easily launched and landed, and if we could make spectral cameras small enough to mount on them, they could be a really useful platform for high quality environmental surveys. This project will try to develop a small spectral camera that is light enough to be able to use it on an RPA. We will build the camera so that it is able to measure many different colours of light (e.g. 100 different colours - hyperspectral). We will use a new kind of optical filter to help keep the size and weight down and we will work with the Field Spectroscopy Facility in Edinburgh to make sure that the camera gives very accurate readings of the amount of light of each colour.
物体的颜色,例如一棵树或一片草地,是由光与物体材料(树叶、树干、土壤)相互作用的方式控制的。通过测量物体的颜色(其反射光谱),我们可以计算出存在哪些材料,其中有多少,有时我们甚至可以计算出它们是健康的还是正在死亡。光谱相机用于使用不同颜色(波长)的光从远处拍摄物体的图像。通过在绕地球运行的卫星上安装光谱相机,我们可以监测地球的广大区域;整个海洋和大陆。然而,卫星上的光谱相机通常设计用于覆盖大区域(宽幅),并且许多无法解析约 1 公里以下的小特征。卫星摄像机也因无法透过云层进行观察而受到限制。这意味着我们需要不同的车辆来安装光谱相机以进行局部研究,例如。河流、湖泊、河口或观看田野和森林的高分辨率图像。飞机已经用于执行此操作多年,非常成功,但它们的运行成本很高,并且很难组织将飞机与地面或船上的人员完全相同的时间运送到偏远地点。最近,一种新型遥控飞机(RPA - 也称为无人机)变得足够便宜且足够可靠,个人或小型研究团体有能力购买和操作它们。这些 RPA 体积小,易于发射和着陆,如果我们能够制造足够小的光谱相机以安装在它们上面,它们可能成为高质量环境调查的真正有用的平台。该项目将尝试开发一种小型光谱相机,其重量足够轻,能够在 RPA 上使用。我们将构建相机,使其能够测量许多不同颜色的光(例如 100 种不同颜色 - 高光谱)。我们将使用一种新型光学滤光片来帮助降低尺寸和重量,并且我们将与爱丁堡的现场光谱学设施合作,以确保相机能够非常准确地读取每种颜色的光量。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Performance of spatially variable bandpass filters deposited using microwave reactive sputtering
使用微波反应溅射沉积的空间可变带通滤波器的性能
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:Song S
- 通讯作者:Song S
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David Hutson其他文献
2F-5 Surface Preparation of 1-3 Piezocomposite Material for Microfabrication of High Frequency Transducer Arrays
2F-5 用于高频换能器阵列微加工的1-3压电复合材料的表面处理
- DOI:
10.1109/ultsym.2007.37 - 发表时间:
2007 - 期刊:
- 影响因子:0
- 作者:
A. Bernassau;S. Mckay;David Hutson;C. Démoré;Luis Garcia;Tim W. Button;J. McAneny;Sandy Cochran - 通讯作者:
Sandy Cochran
David Hutson的其他文献
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{{ truncateString('David Hutson', 18)}}的其他基金
Fast adaptive optics technology for advanced laser applications
适用于先进激光应用的快速自适应光学技术
- 批准号:
ST/H000135/1 - 财政年份:2010
- 资助金额:
$ 5.16万 - 项目类别:
Research Grant
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