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Finding the largest traffic flows in a network is very significant to many network management applications. The problem of finding these flows is known as the heavy-hitter problem. In this paper we present an algorithm that can find those flows exceeding a user-specified threshold over data streams and give the estimate of their sizes. In addition, the deviation of estimate is guaranteed not to exceed...
Colorimetric characterization is the basic work of color reproduction. To find an optimized method to evaluate different types of displays is of great importance. The object of this study is to compare several universal algorithms which can be used for different types of displays. Different color space and whether gamma correction is applied are considered. The results illustrate both methods generated...
The small color-difference data obtained by printed sample were used to analyze and evaluate the color-difference forecast performance of CAM02-LCD, CAM02-SCD and CAM02-UCS color-difference formulae based on color appearance model, CIECAM02, the result was compared with the evaluation of CIE L*a*b*, CIEDE94, CMC (1:1), CMC (2:1) and CIEDE2000 classical color-difference formulae based on CIE L*a*b*...
In order to observe the robot driverpsilas workspace configuration and optimize its designing sizes, a three-dimensional motion simulation is studied in this paper. A three-dimensional realistic model of the robot driver is built by the model tool of AutoCAD for simulating the moving process of robot driver vividly. Through data format conversion, the model is imported into OpenGL which has excellent...
When air traffic congestion happens, the optimization adjustment on the order for approach landing flights can reduce the air traffic congestion and the flightspsila delay, improve the safety of flying, and reduce the economy cost. For the flights sequencing problem of multi-runway in the terminal area, the model was given according to the least total cost of flights delay, then the ant colony algorithm...
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