搜索结果: 1-15 共查到“工学 Image quality”相关记录32条 . 查询时间(0.178 秒)
IMAGE QUALITY ASSESSMENT OF HIGH-RESOLUTION SATELLITE IMAGES WITH MTF-BASED FUZZY COMPREHENSIVE EVALUATION METHOD
Image Quality Assessment High-resolution Satellite Images MTF Fuzzy Comprehensive Evaluation
2018/5/15
A Modulation Transfer Function (MTF)-based fuzzy comprehensive evaluation method was proposed in this paper for the purpose of evaluating high-resolution satellite image quality. To establish the fact...
ANALYSIS OF THE IMAGE QUALITY OF NO GROUND CONTROLLED POSITIONING PRECISION ABOUT SURVEYING AND MAPPING SATELLITE
Positioning accuracy Modulation Transfer Function Signal to Noise Ratio Quantization Bits degradation data
2018/5/15
The image quality of the surveying camera will affect the stereoscopic positioning accuracy of the remote sensing satellite. The key factors closely related to the image quality are Modulation Transfe...
REMOTE SENSING IMAGE QUALITY ASSESSMENT EXPERIMENT WITH POST-PROCESSING
Remote Sensing Image Quality Assessment Post-processing Experiment
2018/5/14
This paper briefly describes the post-processing influence assessment experiment, the experiment includes three steps: the physical simulation, image processing, and image quality assessment. The phys...
NO-REFERENCE IMAGE QUALITY ASSESSMENT FOR ZY3 IMAGERY IN URBAN AREAS USING STATISTICAL MODEL
Image quality assessment Statistical model Generalized Gaussian distribution (GGD) High-resolution remote sensing images Urban area ZY3
2016/7/28
More and more high-spatial resolution satellite images are produced with the improvement of satellite technology. However, the quality of images is not always satisfactory for application. Due to the ...
PLEIADES PROJECT:ASSESSMENT OF GEOREFERENCING ACCURACY,IMAGE QUALITY,PANSHARPENING PERFORMENCE AND DSM/DTM QUALITY
Pleiades Georeferencing Accuracy Image Quality Pansharpening DSM/DTM
2016/7/5
Pleiades 1A and 1B are twin optical satellites of Optical and Radar Federated Earth Observation (ORFEO) program jointly running by France and Italy. They are the first satellites of Europe with sub-me...
THE SYSTEM OVERVIEW AND GEOMETRIC IMAGE QUALITY OF THE TH-1 SATELLITE
Location accuracy Satellite photogrammetry On-orbit calibration Bundle adjustment Low-frequency errors Line-Matrix CCD camera
2016/7/5
The Tian-Hui 1 (TH-1) is the first stereo mapping transmission satellite in China, and the primary mission goal of the satellite is for topographic mapping at 1:50,000 scale without Ground Control Poi...
The Influence on Image Quality under Relative Calibration Accuracy
accuracy analysis calibration imagery method pushbroom remote sensing
2015/11/24
Strips can be seen in raw remote sensing images of CCD camera. The object of relative radiometric calibration is to eliminate them. This paper discusses the influence on image quality under different ...
Research on "Beijing 1" Micro-satellite Image Quality and Land Use Classification Precision
"Beijing 1" Micro-satellite Image quality Land use Classification Precision analysis Appraise
2015/11/23
“Beijing 1” is one Micro-satellite of the international Disaster Monitoring Constellation (DMC). It was launched successfully in 2005, and has high-powered characteristic, such as high gaining data ab...
Using Exotic Guidance for PLEIADES-HR Image Quality Calibration
Calibration Image Quality Guidance Star
2015/11/20
In-flight Image Quality calibration and performance assessment activities depend on specific acquisitions and, for some of them, on dedicated guidance of the satellite platform. The operational constr...
ASSESMENT OF THE INFLUENCE OF UAV IMAGE QUALITY ON THE ORTHOPHOTO PRODUCTION
Photogrammetry Unmanned Aerial Vehicle Bundle Block Adjustment Image Quality Point Cloud
2015/9/10
Over the past years a noticeable increase of interest in using Unmanned Aerial Vehicles (UAV) for acquiring low altitude images has been observed. This method creates new possibilities of using geodat...
A DEPENDENCY MATRIX TO ASSIST IN THE VISUALIZATION OF GEOSPATIAL IMAGE QUALITY
Visualization Quality Imagery Databases Decision Support
2015/8/31
Professionals of various backgrounds have recognized the value that the use of geospatial imagery can add to their analysis. They
take advantage of the widespread availability of data in vast image ...
Visualization of Image Quality in Distributed Spatial Databases
Quality Visualization Imagery
2015/7/9
Users of GIS are offered an abundance of aerial and satellite imagery in distributed spatial databases. Available datasets can
cover the same area, differing only in quality attributes, such as resol...
Image Quality Related Processing and Applications Based on Retinex Wavelet Theory
Remote Sensing Image, Quality Multi-resolution Wavelet Transforms
2015/7/9
In this paper, a new image processing model based on Retinex technique and multi-resolution wavelet analysis together to simulate
the imaging course and focus mechanism of HSV is proposed. At first, ...
CHARACTERIZING IMAGE QUALITY: BLIND ESTIMATION OF THE POINT SPREAD FUNCTION FROM A SINGLE IMAGE
Characterization of algorithms contrast sensitivity function (CSF)
2015/3/24
This paper describes a method for blind estimation of sharpness and resolving power from a single image. These measures
can be used to characterize images in the context of the performance of image a...
ENHANCEMENT OF THE RADIOMETRIC IMAGE QUALITY OF PHOTOGRAMMETRIC SCANNERS
Photogrammetric Scanner Calibration Radiometric Performance Film Characteristics
2014/12/29
Photogrammetric scanners are used more and more for the digitization of aerial images. Geometric accuracy has always played an important role in photogrammetry, while aspects of the radiometric qualit...