In this paper , rough set theory has been discussed , by the analysis and synthesis of data mining algorithm based on rough set theory , incremental updating algorithms based on attributes reduction and data reduction have been presented , and incremental updating algorithms for mining association rules have been discussed 文中在對粗集理論進行研究,并分析和綜合基于粗集理論的數據挖掘算法基礎上,提出了增量算法,即基于屬性約簡與值約簡的增量更新算法,并討論了關聯規則的增量更新算法。
An updating algorithm based on linear programming is proposed in this paper based on the definition and property of fixed direction hulls . this method need not add any additional computation and memory during building bounding volume hierarchies . it can update a bounding volume through 3k multiplication 根據固定方向凸包的定義和性質,文中提出了一種基于線性規劃的更新算法,不需要在構造包圍盒層次時增加任何額外的計算量和存儲量,在對象運動后可以僅通過3k次乘法得到更新后的包圍盒。
The background subtraction method is used to retrieve the foreground , and the mixture gaussian model is used to model the background , during the modeling , the improved k - means algorithms is applied to improve the speed of background modeling ; 2 . in the process of the background updating , the updating algorithms based on statistical average is used to update the background , compared to the traditional background updating methods , it improves the speed of the background updating ; 3 . to solve the problem that the detection method based on gaussian shadow model detects the shadow inaccurately under some situations , a novel algorithm based on the body color vector matching is presented to detect and eliminate the shadow 本文在總結和分析了國內外相關研究工作的基礎上,針對運動物體檢測與提取中如何檢測與提取前景區域以及如何檢測與去除陰影的問題開展研究,其主要研究內容和成果如下: 1 .采用背景減除法提取前景區域,利用混合高斯模型進行背景建模,建模過程中,引入了改進的k -均值算法,加快了背景建模的速度,提高了背景建模的質量; 2 .在背景更新的過程中,采用了基于統計平均的更新算法,相對于傳統的背景更新方法,提高了背景更新的速度; 3 .針對運動物體陰影檢測與去除中,基于高斯陰影模型的陰影檢測方法在某些情況下對陰影檢測不準確的問題,提出了一種基于體色向量匹配的陰影檢測與去除算法。
Abstract the extended discernibility matrices and extended decision matrices have been introduced , new attribute reduction algorithm and incremental updating algorithm ( namely , attribute reduction algorithm based on extended discernibility matrix and incremental rule acquisition algorithm based on extended decision matrix ) have been presented , and incremental updating algorithm of rules has been discussed and researched 摘要引入擴展差別矩陣和擴展決策矩陣,提出了新的屬性約簡算法和增量更新算法,即基于擴展差別矩陣的屬性約簡算法和基于擴展決策矩陣的增量式規則提取算法,討論了規則的增量更新算法。
The attitude updating algorithms were investigated systematically in this paper . on the basis of the quaternion algorithm the coning compensation algorithms and the improved coning compensation algorithms the attitude updating algorithms were deduced when the gyro outputs are angular velocity . existing updating algorithms analyzed the accuracy of the algorithm , i . e 本文對捷聯慣性導航系統捷聯矩陣的更新算法進行了系統的研究,詳細地分析了四元數法、圓錐補償算法、及在此基礎上發展起來的利用前一時刻陀螺儀輸出的改進圓錐補償算法。
According to the characteristics of tv - guided bombs , we put forward tv - guided image tracking algorithms and adaptive updating algorithms for templates based on partial derivative correlation function - then we designed a partial derivative correlation tracker and carried out simulation test for a group of gray - scale images 摘要針對電視制導炸彈的特點,提出一種基于偏導相關函數的電視圖像跟蹤算法和模板自適應更新算法,在此基礎上設計出偏導相關跟蹤器并對一組灰度圖像進行仿真試驗。
The algorithm of upgrading of general face recognition system is based on all serial algorithm in a single computer , it is very slow to deal with a large amount of data , and the efficiency is low . so , this article introduces the application of grid computing in face recognition system , upgrades the original serial algorithm of face data into parallel algorithm in the grid platform by using mpi parallel program , realizes the already existing updated algorithm of the recognition of face to be processed in the distributed computers , which has strengthened the systematic ability to deal with a large amount of data , in order to improve systematic performance 常規人臉識別系統中的更新算法都是基于單機的串行算法,在處理大量數據的時候速度慢,效率低,介紹了網格計算在人臉識別系統中的應用,把原來的人臉數據更新串行算法改為并行算法并通過編寫mpi并行程序移植到該網格計算平臺中運行,實現了原有人臉識別系統中更新算法的分布式處理,增強了系統處理大量數據的能力,以達到提高系統性能的目的。
The theory of sins is described firstly , including the principle of work , the attitude update algorithms and the navigation calculations . and the algorithms of the attitude matrix are discussed in detail . with the many problems to be considered and solved in engineering , the following works have been done : 1 本文首先系統介紹了捷聯慣導系統的基本理論,包括捷聯慣導系統的工作原理、捷聯慣導系統的姿態更新和導航計算,其中重點介紹了姿態矩陣的求解算法。
When these models deal with material uncertainty , there are different from basic thought and method in detail , but the reasoning has the same hypostasis and they have the same form of structure , such as the same description of knowledge " uncertainty , the same description of evidence ' s uncertainty , the same update algorithm of uncertainty and so on 不同的推理模型處理問題的基本思想和方法有很大的差異,但不確定推理的本質是相同的,都具有一個相同的結構形式,即對知識不確定性的描述,證據不確定性的描述和不確定性的更新算法。