搜索结果: 16-30 共查到“摄影测量与遥感技术 CCD”相关记录31条 . 查询时间(0.093 秒)
FUSING STEREO LINEAR CCD IMAGE AND LASER RANGE DATA FOR BUILDING 3D URBAN MODEL
FUSING STEREO LINEAR CCD IMAGE LASER RANGE DATA 3D URBAN MODEL
2015/3/16
FUSING STEREO LINEAR CCD IMAGE AND LASER RANGE DATA FOR BUILDING 3D URBAN MODEL.
PHOTOGRAMMETRIC MEASUREMENT OF LINEAR OBJECTS WITH CCD CAMERAS – SUPER-ELASTIC WIRES IN ORTHODONTICS AS AN EXAMPLE
Calibration CCD Medicine Object recognition Orthodontics Photogrammetry Recognition
2015/1/6
This paper describes the development of an approach for nearly automatic recognition of the shape of linear objects on the example of super-elastic wires in orthodontics. This is made possible by the ...
MULTI-IMAGE MATCHING IN OBJECT SPACE USING AIRBORNE CCD-LINESCANNER IMAGERY
Surface reconstruction Image matching in object space High-resolution images DTM / DEM / DSM Facets Stereo Vision
2014/12/31
An object space-based strategy for simultaneous multi-image matching of airborne stereoscopic CCD-linescanner imagery is introduced. The goal of the presented algorithmic solution is to improve and to...
GEOMETRIC CALIBRATION OF THE MICAS CCD SENSOR ON THE DS1 (DEEP SPACE ONE) SPACECRAFT: LABORATORY VS. IN-FLIGHT DATA ANALYSIS
CCD Camera Calibration
2014/12/29
We have carried out a geometric calibration of the CCD sensor of MICAS (Miniature Integrated Camera Spectrometer),a 4-inch aperture reflecting telescope on board the DS1 (Deep Space One) spacecraft, u...
A DIGITAL MULTI CCD CAMERA SYSTEM FOR NEAR REAL-TIME MAPPING
Digital Camera CCD Camera Real Time Mapping Multiple Sensors System Sensors Integration
2014/12/29
Recently, Canada had to deal with three major natural disasters over a short period of time: flooding in the Saguenay area (province of Quebec) following heavy rain and the collapse of a water dam, fl...
STRIPING NOISE REMOVAL OF IMAGES ACQUIRED BY CBERS 2 CCD CAMERA SENSOR
CCD Camera CBERS striping noise satellite imagery remote sensing
2014/12/1
CCD Camera is a multi-spectral sensor that is carried by CBERS 2 satellite. Imaging technique in this sensor is push broom. In images acquired by the CCD Camera, some vertical striping noise can be se...
基于方向WPS改进TDI CCD遥感图像清晰度评价函数
自动调焦 小波 功率谱估计 图像清晰度评价函数
2016/8/31
在轨调焦是航天相机获取高质量图像的关键技术之一。针对航天相机在发射、在轨期间由于振动冲击及温度气压等环境参数变化引起的光学系统离焦现象，以及TDI CCD遥感相机成像场景实时变化的特殊特点，对基于功率谱的清晰度评价函数进行了研究。根据小波变换的多分辨率和带通特性，提出了一种对FFT功率谱的改进——小波功率谱（WPS）估计。针对像移亦会导致TDI CCD图像模糊的问题，提出了方向WPS估计算法。参照...
EVALUATION OF RATIONAL FUNCTION MODEL FOR GEOMETRIC MODELING OF CHANG’E-1 CCD IMAGES
Planetary Mapping Geometric Model Rational Function Mode
2014/5/8
Rational Function Model (RFM) is a generic geometric model that has been widely used in geometric processing of high-resolution
earth-observation satellite images, due to its generality and excellent...
STUDY ON THE LINE SCAN CCD CAMERA CALIBRATION OF VEHICLE-BORNE 3D DATA ACQUISITION SYSTEM
Line Scan Camera Vehicle-borne dynamic calibration Laser Scanner Vehicle-borne
2014/4/28
Based on the characters of the line scan CCD camera and the Vehicle-borne 3D data acquisition system, it presented a novel method to calibrate the line Scan Camera (LSC) based on the laser scanner. Us...
APPLYING CCD CAMERAS IN STEREO PANORAMA SYSTEMS FOR 3D ENVIRONMENT RECONSTRUCTION
CCD Camera 3D Environment Reconstruction Stereo Panorama Calibration
2014/4/28
Proper recontruction of 3D environments is nowadays needed by many organizations and applications. In addition to conventional methods the use of stereo panoramas is an appropriate technique to use du...
TDI-CCD在轨成像质量MTF数值模拟
CBER- 02B卫星 高分辨率相机 成像数值模拟
2009/11/24
在研究卫星总体参数对TDICCD推扫成像调制传输函数MTF（Modula Transfer Function, MTF）影响关系的基础上,提出了一套模拟卫星在轨成像MTF下降的技术方法。通过这套模拟方法，建立了卫星总体参数与在轨成像质量MTF下降之间的关系，为用户根据对遥感图像质量MTF指标的需求来确立对卫星主要总体参数的要求提供了分析手段。
地形因素对航空面阵CCD影像的影响分析与评价
航空大面阵CCD相机 地形起伏 地球曲率
2009/11/23
地形因素，包括地面起伏和地球曲率，是造成航空数字遥感影像变形的主要原因之一。本文以中国科学院遥感所自行研发的多
模态航空CCD相机系统为对象，结合其成像模式和几何形态，分析了地形因素给影像带来的变形，推导出航空面阵CCD影像变形的一般
公式，并通过概算进行了定量评价，得出了对于航空面阵CCD影像，要想得到高精度的几何处理，必须改正地球曲率影响的结论。
基于时空统计的CCD瑕疵检测校正新方法
CCD 影像检测 图像校正
2009/11/20
从分析CCD像元的光电响应特征入手，分析了不同瑕疵点的响应特征，并对CCD瑕疵进行分类。通过对大量不同场景下的影像进
行时空统计分析，提出了根据图像统计异常信息识别瑕疵点的新算法。根据识别的结果标记瑕疵点的位置和类型，根据瑕疵类型对CCD
影像进行校正处理。实验结果表明，该算法能够在没有实验室标定的情况下有效地对CCD瑕疵进行自动检测和校正。
摄影测量中CCD相机精度对比方法研究
摄影测量 标准精度 CCD定焦相机 变焦相机
2009/9/22
数字摄影测量在逆向工程和三维检测方面具有广泛应用。对摄影测量中CCD相机的测量精度进行探讨，提出一种基于数理统计的计算方法。通过相机拍摄多组照片，在XJTUDP软件下计算相同条件的编码点或非编码点之间的距离，得出其平均值，将测得的每组单个数值减去平均值，可获得每次测量的个体误差。求个体误差与平均值的比值的绝对值，可得出单组数组的测量精度。对测量精度求平均值，得出标准精度的概念。将标准精度作为衡量C...