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The Design and Realization of Large Plane Colour CCD Digital Aerial Camera System
Aerial camera Aerial photogrammetry Large CCD-array Colour composition Image fusion Large scale mapping
2015/11/23
On the basis of a size single plane array CCD (SPAC-1), we study and establish a digital aerial photogrammetry camera system, which adopts a “3+1”modular design method, i.e., three ×99 kk×22 kk CCD mo...
CCD信号自适应采样方法的研究和实现
自适应采样 电荷耦合器件 相位监测 遥感相机
2016/8/4
由于受温度变化和器件老化影响,空间遥感相机焦平面CCD信号的相位会发生变化,尤其是在高速应用领域,利用传统方法定标确定并固化的采样点参数不再适用,极大影响了图像信噪比,甚至造成图像不能正常显示。提出了一种针对空间相机焦平面CCD信号采样位置的自适应调整方法,通过实时监测CCD信号的相位变化,计算相应的采样位置调整量,并在线调整了采样时钟的相位,使CCD信号采样位置在其使用寿命期限中不同的温度环境下...
A simulation study for the geometric accuracy testing of airborne linear array ccd cameras
geometric accuracy testing airborne linear array ccd cameras
2015/9/1
Since their first introduction, linear array CCD cameras play an important role in the airborne optical digital sensors market, together with matrix array CCD sensors. The methods and algor ithms to p...
Automated calibration technique for photogrammetric system based on a multi-media projector and a CCD camera
Photogrammetry Calibration Accuracy Multi-media projector Non-contact measurements
2015/8/25
Recently multi-media projectors became commercially available for using in 3D reconstruction application. They have a number of features which make them attractive for using in photogrammetric applica...
Investigating the influence of ionizing radiation on standard CCD cameras and a possible impact on photogrammetric measurements
Photogrammetry CCD Camera Image Radiation Sensor Accuracy Quality
2015/8/24
In the context of high precision metrology tasks in heavy radiated areas questions arose concerning the applicability of digital cameras for photogrammetric purposes under these special conditions. Th...
Development of a CCD camera based reflex goniometer
reflex goniometer etalon gimbal plane parallel shifted laser temperature calibration
2015/8/24
The article describes the development of a reflex goniometer for biaxial angle measurement of a gimbal mounted mirror by means of a CCD camera. After the state of the art the measurement principle and...
CCD camera calibration based on the sun's images
Camera Calibtation Narrow Angular Lens Non-Metric Close Range
2015/8/24
A Nikon D70s Digital camera with resolution of 6M, equipped with a narrow angle Nikkor 85 mm f/1.8D lens and suitable filters;was calibrated successfully, by two sets of the sun's images. Each set was...
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor in 110nm CMOS
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor CMOS
2015/8/17
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor in 110nm CMOS.
Development of Digital Surface Model and Feature Extraction By Integrating Laser Scanner and Ccd Sensor With Imu
Laser Scanning CCD IMU
2015/7/15
Three dimension data are in great demand for the various applications such as 3D GIS, navigation, digital archive, simulation,
computer games, and so on. In order to represent space in details, it is...
A New Data Fusion Method for Improving Cbers-1 Irmss Images Based on Ccd Image Multi-source Imagery
CCD Fusion High Resolution
2015/7/9
A new data fusion method is proposed in this paper to improve CBERS-1 IRMSS images based on CCD image. Each pixel in an
IRMSS image with lower spatial resolution is correspondence with a group of sub...
近期，中国科学院合肥物质科学研究院安徽光学精密机械研究所大气光学研究中心激光雷达技术研究室王珍珠等研究人员提出新的几何因子探测方法，该方法适合于垂直放置的米散射激光雷达，这一成果发表在美国光学学会出版的OPTICS LETTERS（2015，40（8），1749-1752）上。
为了提高CCD的扫描速率并将其应用于百纳秒级瞬态超快现象的探测,提出一种基于面阵CCD的高时间分辨的瞬态光谱测量方法,并对其进行了实验验证.该方法采用帧存储的工作思路,对面阵CCD的工作时序进行改进,以实现高时间分辨率的探测.LED脉冲光实验结果表明,探测帧频可达10 Mfps,时间分辨率达到100 ns,并且能够连续成像2 048次.该方法对扩展CCD在瞬态光谱检测领域的应用具有借鉴意义.
制冷对电子倍增CCD相机成像质量的影响
制冷 空间相机 电子倍增CCD 成像质量
2015/12/26
电子倍增CCD相机的读出噪声降低到1e-以下后,暗电流噪声成为电子倍增CCD相机的主要噪声源。由于制冷可以显著降低电子倍增CCD的暗电流噪声,因而其成为影响电子倍增CCD相机成像质量的重要因素。本文在分析比较不同制冷系统优缺点的基础上,提出了适用于航天应用的电子倍增CCD相机制冷系统。通过构建电子倍增CCD相机的噪声模型,分析了不同制冷效果对电子倍增CCD相机成像质量的影响。分析结果表明,电子倍增...
多线阵CCD位姿测量光学系统
姿态测量 线阵CCD 像方远心光路 柱面镜组
2015/12/25
针对悬浮试验场内飞行物体的高精度姿态测量,提出了采用面阵CCD辅助识别的多线阵CCD姿态测量系统。设计了采用柱面镜组构成的线阵CCD专用成像镜头。在被测飞行物体上安装3个红色发光二极管(LED)光点作为合作目标,2个面阵CCD和3个线阵CCD同时对光点成像,通过测量光点空间位置坐标,计算出飞行物体的姿态高度。线阵CCD光学镜头选用(635±15)nm的红光作为工作标段,设计的全视场角为19°,焦距...
HIGH RESOLUTION MAPPING USING CCD-LINE CAMERA AND LASER SCANNER WITH INTEGRATED POSITION AND ORIENTATION SYSTEM
Digital panoramic camera laser scanner
2015/6/1
The fusion of panoramic camera data with laser scanner data is a new approach and allows the combination of high-resolution image
and depth data. Application areas are city modelling, computer visio...