搜索结果: 1-13 共查到“工学 Performance Comparison”相关记录13条 . 查询时间(0.156 秒)
The Classification and Performance Comparison Analysis of High Dimensional Indices for Feature-Based Spatial Data Similarity Search
Spatial Database Data Management Digital Photogrammetry Query Processing GIS
2015/12/11
The applications of spatial data similarity search are increasingly needed nowadays, and accordingly high dimensional index becomes one key technology to solve the problem of spatial data similarity s...
AUTOMATED ROAD EXTRACTION AND UPDATING USING THE ATOMI SYSTEM - PERFORMANCE COMPARISON BETWEEN AERIAL FILM, ADS40, IKONOS AND QUICKBIRD ORTHOIMAGERYE. Baltsaviasa, L. O’Sullivanb, C. Zhang
3D road reconstruction automation updating mapping performance evaluation orthoimage IKONOS Quickbird, digital airborne sensor high-resolution satellites
2015/6/1
In the recent years, the automated extraction of roads from digital images has drawn considerable attention due to the need for the efficient acquisition and updating of road data for geodatabases. Th...
PERFORMANCE COMPARISON OF 2D OBJECT RECOGNITION TECHNIQUES
Computer Vision Object Recognition Performance Comparison
2015/3/24
We propose an empirical performance evaluation of five different 2D object recognition techniques. For this purpose, two novel
recognition methods that we have developed with the aim to ful@...
Performance Comparison Of Evolutionary Algorithms For Image Clustering
Evolutionary Algorithms Backtracking Search Optimization Algorithm (BSA) Image Clustering
2014/9/29
Evolutionary computation tools are able to process real valued numerical sets in order to extract suboptimal solution of designed problem. Data clustering algorithms have been intensively used for ima...
Performance comparison of aero-ramp and transverse injector based on gas-pilot flame
dual-mode scramjet aero-ramp injector transverse injector gas-pilot flame mixing and combustion performance
2014/5/15
A direct performance comparison between the four-hole aero-ramp injector and single transverse injector in a dual-mode scramjet combustor was conducted. The mixing characteristics of two injectors wer...
Performance Comparison between 120 Gbit/s RZ-DQP-ASK and RZ-D8PSK over a 480 km Link
Performance Comparison between 120 Gbit/s RZ-DQP-ASK RZ-D8PSK 480 km Link
2015/5/20
This paper experimentally presents the first direct comparison between two 120-Gbit/s 8-ary formats and show that both can be superior over different distances. The performances of two formats are als...
Performance Comparison of 112 Gb/s PM-QPSK Transmission with NZ-DSF Dispersion Compensation Configurations for Lower Bit Rates
Dispersion Compensation Lower Bit Rates Performance Comparison
2015/5/14
We investigate transmission performance for 112 Gb/s PM-QPSK DWDM systems over NZ-DSF with configurations enabled by NZ-DSF dispersion characteristics. We find flexibility in dispersion compensation f...
Performance Comparison of MLSE-Based Receivers in a 1000 km Transmission Link under Fast SOP Variations
Fiber optics links subsystems Polarization
2015/6/10
This paper aims at comparing the tolerance to fast SOP variations of two MLSE-based receivers. Descriptions of the emulation device and measurement method are given. The results show that the receiver...
Performance Comparison of Single-Stage and Cascade Refrigeration Systems Using R134a as the Working Fluid
Refrigeration Cascade system Single-stage system Coecient of performance R134a
2009/10/10
This study presents an experimental comparison of single-stage and cascade vapour-compression refrigeration systems using R134a as the refrigerant. The experimental plants employ a vapour-compression ...
Performance comparison of slow-light coupled-resonator optical gyroscopes
Fiber-optical gyros Sagnac effect fi ber gyros fi ber-optical sensors measurement of rotation
2015/8/10
We investigate the connection between group velocity and rotation sensitivity in a number of resonant gyroscope designs.
Performance comparison of radio-over-fibre UWB distribution in SSMF and MMF optical media
radio-over-fibre UWB distribution SSMF MMF optical media
2015/7/31
The performance of OFDM and IR-UWB radio-over-fibre distribution by direct and external modulation on SSMF/MMF is presented. Both UWB implementations achieve 75 km reach on SSMF.
Performance Comparison of AVS and H.264/AVC Video Coding Standards
Performance Comparison AVS H.264/AVC Video Coding Standards
2010/12/16
Performance Comparison of AVS and H.264/AVC Video Coding Standards.
Performance Comparison of Thin and Thick Film Microstrip Rejection Filters
microstripline circuits thin and thick film techniques a Microstrip rejection filter
2010/12/21
A performance comparison of microstripline circuits using thin and thick film techniques has been studied, in which a Microstrip rejection filter, in the X-band of microwaves, is used as test circuit....