搜索结果: 1-13 共查到“信息处理技术 Quality”相关记录13条 . 查询时间(0.208 秒)
Cartographic maps can only contain a certain amount of information. If the information density is too high, the map becomes hard to comprehend for a human viewer. A common solution for this problem is...
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...
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 ...
Transient Performance Analysis of a Multicorrelator Signal Quality Monitor
Transient Performance Analysis Multicorrelator Signal Quality Monitor
2015/6/29
The ability to monitor and detect problematic distortions in the received GPS-SPS signal is a task of critical importance. Detection of these satellite signal anomalies or “evil waveforms” (EWFs) can ...
A Simple Method of Signal Quality Monitoring for WAAS LNAV/VNAV
Signal Quality Monitoring WAAS LNAV/VNAV
2015/6/26
The integrity of the Wide Area Augmentation System (WAAS), being developed for the FAA, is of significant concern because of its intended use in commercial aviation navigation applications.
The Signal Quality Monitor (SQM) is an integrity monitor for the Wide Area Augmentation System (WAAS). The monitor detects L1 signal waveform deformation of a GPS or a Geosynchronous (GEO) satellite m...
Fusion of terrasar-x and rapideye data: a quality analysis
Image fusion TerraSAR-X RapidEye Multi-sensor
2013/4/22
This research compares and evaluates image fusion algorithms to achieve spatially improved images while preserving the spectral information. In order to compare the performance of fusion techniques bo...
QUALITY ANALYSIS OF VEHICLE-BASED SEQUENCE IMAGES RELATIVE ORIENTATION BASED ON COMPUTER VISION
Relative Orientation Direct Geo-referencing Computer vision Sequence images Mobile mapping SIFT RANSAC
2012/8/1
Analyzed the quality and its influence factors of relative orientation of vehicle-based sequence images by comparing with the result obtained from Position & Orientation System using Direct Geo-refere...
Error Resilient Dual Frame Motion Compensation with Uneven Quality Protection
Motion Compensation Uneven Quality Protection
2010/6/30
In jump update dual frame motion compensation (JU-DFMC), two reference buffers
are utilized for motion compensation, as shown in Fig. 1, the first reference buffer
contains the most recently decoded...
A ROI Quality Adjustable Rate Control Scheme for Low Bitrate Video Coding
ROI Quality Adjustable Rate Control Scheme Bitrate Video Coding
2009/12/31
This paper proposed a novel Region of Interest (ROI) based rate control algorithm for video communication systems, in which the subjective quality of ROI can be adjusted
according to users’ requireme...
Image Quality Assessment Using Spatial Frequency Component
Image Quality Assessment Spatial Frequency Component
2008/12/31
Image quality assessment (IQA) is a crucial technique in perceptual image/video coding, because it is not only a ruler for performance evaluation of coding algorithms but also a metric for ratio-disto...
Rate-Distortion Modeling and its Application to Quality Layer Assignment in SVC/H.264 Fine-Granular SNR Scalable Videos
Rate-Distortion Modeling Quality Layer Assignment SVC/H.264 Fine-Granular SNR Scalable Videos
2007/12/31
To support efficient quality extraction in H.264/AVCbased scalable video coding, it’s important to obtain the rate-distortion (R-D) or distortion-rate (D-R) function of
each FGS packet. In this paper...
A Simple Algorithm for Constant Quality Reconstruction of Scalable video Using a New Analytical R-D Model,
Constant Quality Scalable video Analytical R-D Model
2006/12/31
In this paper, we first introduce the analytical R-D model of scalable video in our recent work. The R-D model is induced by the R-D analysis of Generalized Gaussian Distribution (GGD). Then we propos...