特徵性抽提 的英文怎麼說

中文拼音 [tèzhǐxìngchōudī]
特徵性抽提 英文
feature extraction
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 抽 : 動詞1 （把夾在中間的東西拉出; 提取） take out （from in between） 2 （從全部里取出一部分; 騰出） ...
  • 提 : 提動詞（垂手拿著） carry （in one's hand with the arm down）
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. The disquisition includes choice of algorithm, accomplish of algorithm, collection of learning sample, parameter of net, shortcoming of bp algorithm, extraction and reduction form line etc. referring to shortcoming of traditional bp algorithm, a modified learning factor with adaptation is introduced. because of every different font has robust, the way based chain coded and knaggy feature is used. a bizarre sample feature database is constructed for speeding up modified bp learning and classification

    本文對人工神經網路理論進行了研究，探討了網路形式及演算法的選擇、演算法的實現、學習樣本的收集、網路參數選擇、 bp演算法缺陷、表格線提取、還原、生成及字元識別、還原生成等問題，並針對bp演算法的缺陷提出了和實現了改進型bp演算法，使網路學習效率提高，對不同人的不同字型字體有較強的魯棒性，採用了基於鏈碼特徵和凹凸分佈特徵的方法來抽取字元特徵。
  2. Secondly ， the author point out the problems of development of chinese tourism marketing for example ， the tourism marketing is not perfect ， and the marketing kind is not complete ， and the system of tourism marketing is imperfect and so on in the end ， the author gives some advice how to settle these problems in order to make chinese tourism industry great progress the system of tourism maketing should be meliorated ； model of sales promotion of tourism product should be improved ； new objective tourism marketing should be developed ， for instance ， we should develop education tourism marketing ， rural tourism marketing and the rich residents of tourism marketing many methods of demonstration are adopted ， qualitative analysis and quantitative analysis are integrated ； deductjve reasoning and induction are expioited with ease ； the author anach importance to empoloy relative theorv ， of tourism ， at the same time ， the researching of the calse is emphasized

    這篇論文針對我國目前的旅遊市場進行宏觀分析，首先就我國旅遊市場的宏觀背景即國內旅遊市場發展背景和國際旅遊、旅遊市場研究進展和趨勢進行初步探悉，運用現實的統計數據和抽樣調查數據進行分析論證；其次就我國目前旅遊市場的現狀和存在的問題進行闡述和分析，然後針對我國目前旅遊市場的特徵和存在的問題提出發展戰略和解決措施，分析問題的方法上主要採用抽樣調查、比較分析法、演繹與歸納、定量與定性相結合等。
  3. The conventional principal component analysis ( pca ) and fisher linear discriminant analysis ( lda ) are based on vectors. that is to say, if we use them to deal with the image recognition problem, the first step is to transform original image matrices into same dimensional vectors, and then rely on these vectors to evaluate the covariance matrix and to determine the projector

    所提出的這兩種方法的共同特點是，在進行圖像特徵抽取時，不需要事先將圖像矩陣轉化為高維的圖像向量，而是直接利用圖像矩陣本身構造圖像散布矩陣，然後基於這些散布矩陣進行主分量分析與線性鑒別分析。
  4. Rather, in this paper, two straightforward image projection techniques, termed image principal component analysis ( 1mpca ) and image fisher linear discriminant analysis ( imlda ), are respectively developed to overcome the weakness of the conventional pca and lda as applied in image feature extraction

    在orl標準人臉庫和nust603人臉庫上的試驗結果表明，與通常的主分量分析與線性鑒別分析方法相比，圖像投影鑒別分析與主分量分析技術將特徵抽取的速度提高了一個數量級以上。不僅如此，其識別精度依然高於傳統的eigenfaces與fisherfaces方法。
  5. In this paper, a new combined feature selection function that is based on the mutual information and ^ 2 is proposed

    本文針對^ 2統計和互信息兩種特徵選擇評估函數存在的不足展開研究，根據兩者之間的互補性提出了一種聯合的特徵抽取評估函數。
  6. On the other hand, the thesis studies to develop the design software library for the hdcs with c + + programming language, including rcs module and communication tool of control system. moreover, based on the concept and properties of class and the merits of application programming interface ( api ), the thesis puts forwards to use the abstract class to realize the elements of the design software library, such as the control module ( rcs module ) class and the communication classes ( neutral message language and communication management system ), encapsulating the bottom details of the application and providing the top interface for user, as leads to the interface between modules be simple and makes user master and use them conveniently. what ' s more, the control system developed by the design software has good expansibility and reusability

    另外，本文研究了用c + +程序設計語言進行遞階分佈控制系統設計軟體庫的開發，包括rcs模塊和系統通訊工具。基於類的概念與特徵以及應用程序編程介面（ api ）的優點，提出用抽象類實現設計軟體庫元件，如控制模塊（ rcs模塊）類和通訊類（中性消息語言nml （ neutralmessagelanguage ，簡稱nml ）和通訊管理系統cms （ communicationmanagementsystem ，簡稱cms ） ） ，封裝了控制系統應用程序底層的工作細節並提供了高層介面，從而使控制模塊之間介面簡單，便於用戶掌握和使用，使開發出的控制系統具有很好的擴展性和重用性。
  7. Business valuation based on modern economy is one of the most difficult and comprehensive professional work in asset appraisal, but also stands for the trend of the appraisal. as china implemented planned economy all the long in the past years, the concept of business value was proposed later than other advanced countries. the study on the theory and method of business valuation we made is relatively backward. all these lead to that we merely use cost method in practice. with the improvement of market economy, the validity of cost method is challenged. hunting for appraisal methods suitable for china circumstance has become more and more urgent. this thesis presents its own opinion on the adjustment of the basic frame of theory of business valuation. for the first time, it puts systems theory into the study of the theory base, and believes that the enterprise as a compound entity has higher efficiency than the sum of its constituent, and then proposes new appraisal assumption. aiming at the obscure understan ding, it analyses a group of conception related to business valuation. after giving a whole analysis and study, this thesis indicates the income approach which emphasizes earning - capacity of a enterprise should become the correct choice of china, and makes a further study on the origin - features and feasibility of this method

    植根于現代經濟的企業價值評估是資產評估中綜合性最強，技術難度最高的業務之一，也是評估業未來的發展方向，由於我國過去長期實行計劃經濟體制，企業價值概念的提出和運用時間較晚，缺少現代經營理念的積累，企業價值評估的理論與方法的研究比較滯后。本文試圖以理性分析和案例分析相結合的方法，系統研究和分析企業價值評估的基礎理論及其現實條件下，適應我國經濟發展的評估方法，以期為構建有中國特色的企業價值評估理論和方法體系做一些有益的探索。文章以企業價值評估的基本概念為起點，在對眾多關于企業性質的學說和理論觀點進行概括抽象的基礎上，指出了整體性、持續經營和盈利性是企業的重要特徵，依據企業的整體性運用系統方法闡明了企業的價值大於組成企業的單項資產價值之和，據此提出了反映企業價值評估特點的有機組合增殖假設；依據盈利性的特點，強調了企業價值評估的核心應為企業的獲利能力，而不是組建企業的成本；對企業價值、企業價值評估含義、特點的論述以及對相關概念的辨析表明了作者的個人觀點和文章的基本定位，而從評估目的入手劃分的以產權變動為目的的企業價值評估和以財務決策為目的的企業價值評估與企業價值評估的假設、評估核心共同決定了評估方法的選用。
  8. ( 2 ) a series of new methods of feature extraction based on the optimal discriminant analysis are proposed, including the new lda algorithm based on the spectral decomposition of within - class scatter matrix sw which is effective when the number of class is small, an improved algorithm of optimal set of discriminant vectors based on the svd which is effective for face recognition, and the kernel fisher discriminant method ( kfdm ). experimental results on orl show that the kfdm outperforms conventional fisher discriminant methods in face recognition, however the computational load is much higher than those of conventional algorithms

    （ 2 ）提出了基於最優鑒別分析的圖象特徵抽取的一系列新方法，它們包括：基於對類內矩陣s _ w進行譜分解的f - s最優鑒別矢量集方法，該方法在類別數比較小時非常有效；一種改進的基於svd的最優鑒別矢量求解演算法，將該方法用於人臉識別時有較好的性能；非線性最優鑒別矢量集方法，該方法雖然有效，但計算時間較長。
  9. In this dissertation, the following experiments are conducted : firstly, cloning of hpab - gene, i ) the amino acids sequences of 23 animal - peptide antibiotics were analyzed by multiple sequences alignment method and a pair of degenerated primers were designed according to the consensus sequence derived from mature peptides of some beta peptide antibiotics

    人源肽抗生素hpab -的基因克隆：對動物23種型肽抗生素的氨基酸序列進行對比，選擇部分相似性較高的序列，分析其成熟肽的結構特點，抽提型肽抗生素的一級結構特徵，並以此為基礎設計簡並引物。
  10. Then taken four kinds of maps for examples, comparing with m - sequence, their properties are calculated, verifying the advantages of the chaotic sequence generated by the new method. after this, an improved scheme is discussed - - using m - sequence to change the sequence ’ s turn and verifying that the permutation parameters have effect on improving the sequence ’ s properties. in chapter 5, monte carlo simulation method is used to test performances of our sequences ’ applications in the given model of direct spread spectrum cdma system, and results of error rate of the system are given ; the comparing resuls of performances of anti - multi - access interference and anti - multi - address interference of different pn sequence is also shown in this thesis

    本文首先對擴頻通信中常用二進制偽隨機序列的產生方法、性能特點進行了總結，指出了現有二進制偽隨機序列的應用局限性;其次，根據混沌非線性系統特徵，深入研究了混沌數字序列的產生方法;在此基礎上，提出了一種新的產生方法中間抽取法，然後，以四種混沌映射系統為例，對其所產生的混沌數字序列進行了偽隨機特性實驗數據分析，並與m序列進行比較，結果說明了混沌數字序列代替傳統擴頻序列的優點，同時驗證了新方法的可行性。
  11. Abstract : an identification model of taste signals is developed based on fuzzy neural networks. the data compression and feature extraction of the sampled taste signals obtained using taste sensors are implemented employing wavelet transformation. fuzzy neural networks are used to identify the taste signals. the training of network weights and the optimization of membership functions are conducted employing genetic algorithms. the data processing and fuzzy identification of mixed acid and sweet taste signals are realized. simulated experimental results show that it is feasible and effective to introduce fuzzy neural networks into the fuzzy identification of taste signals

    文摘:文中提出了一種基於模糊神經網路方法的味覺信號識別模型，利用小波變換實現了對傳感器所採集的味覺信號進行數據壓縮及特徵抽取，以模糊神經網路作為味覺信號的識別工具，並利用遺傳演算法訓練網路權值、優化隸屬度函數.文中實現了對酸、甜復合味覺信號的數據處理和模糊識別.實驗結果表明了將模糊神經網路引入到味覺信號模糊識別的可行性和有效性
  12. Now there are two basic target recognition strategies, such as processing from bottom to top, which is called data - driving method, and processing from top to bottom, which is called knowledge - driving method. the former begins with low layer processing for example, general segmentation, label and feature extraction, then judges whether the feature vector extracted from the labeled area is in accordance with the feature vector of the object model. the latter firstly brings forward a hypothesis on probably existed feature, secondly proceeds with purposeful segmentation, label and feature extraction, lastly judges whether the feature vector extracted from the labeled area is in accordance with the feature vector of the object model

    目標識別在工農業生產、國防建設中具有極其重要的地位，目前目標識別的演算法常用的有兩種，一種是由下而上的數據驅動型策略，即不管目標屬於何種類型，一律先對原圖像進行一股性的分割、標記和特徵抽取等低層次處理，然後將每個帶標記的已分割區域的特徵矢量與目標模型相匹配；另一種是由上而下的知識驅動型策略，即先對圖像中可能存在的特徵提出假設，根據假設進行有目的地分割、標記和特徵抽取，在此基礎上與目標模型進行精確匹配。
  13. This subject combines object - oriented technology and abstracts the characteristic data of the simulator as the parameter control to encapsulate these abstract data into operational aircraft target according to object - oriented principle in order to realize c + + mechanism that have adopted, and construct the class that draws target of aircraft through data element, element parameterization, element attributes and the parameterizations of element attributes

    本課題採取結合面向對象技術，提取飛行模擬器的特徵數據作為參數控制，將這些抽象的數據依據面向對象原理封裝為可操作的飛行器對象，實現上採用c + +的類（ class ）機制，通過數據的圖元化、圖元的參數化、圖元的屬性化、圖元屬性的參數化構造飛行器對象繪制類。
  14. Next, the article has inspected the planning process for inland water transportation from the planning subject and its characteristics, from the planning phases and its space in narrow sense, from the planning of timing and its objects etc. and has put forward a concept of multi - dimensional space for this planning ( the planning space in broad sense ) for inland water transportation. the inland water transportation planning is categorized in accordance with different features of the variation of all these key multi - dimensional planning elements and development strategy, layout plans, master plans, the five - year plans and annual plans are now in place following the mainline of phased planning features by the order from abstract ( orientation ) to concrete ( maneuverability ), from macro to micro, and from long - term to short - term. the structure of planning is studied according to the different planning features to form a new planning system for inland water transportation and logical relationships among all branches of planning are explored

    論文從規劃主體、規劃性質、規劃層次、規劃空間（狹義空間） 、規劃時間、規劃對象等要素考察內河航運規劃，提出了內河航運規劃多維空間（廣義空間）的概念；按照規劃多維空間變化要素的不同特徵對內河航運規劃進行分類；按照規劃層次特徵和規劃由抽象（方向性）到具體（操作性） 、由宏觀到微觀、由遠到近的發展順序，論證了發展戰略、布局規劃、總體規劃、五年計劃和年度計劃的邏輯主線；按不同特徵研究了各類內河航運規劃的結構方式，構建了一個新的內河航運規劃體系；探討了各類規劃相互之間的邏輯關系。
  15. The existent keywords - based information feature extraction methods and user interest models pay only attention to semantic connotation while ignored utilization of semantic extension. thereby, it is insufficient for providing users with more personal services

    已有的基於關鍵詞的信息特徵抽取和用戶興趣模型只注重了語義的內涵，缺乏對語義外延的描述能力，不利於為用戶提供更個性化的服務。
  16. The method first segments time series based on a series of perceptually important points, use segment dynamic time warping distance as measurement, and then time series are converted into meaningful symbol sequences in terms of the segment ' s features and math categorization. after that, use above index model - irst, to achieve fast similarity retrieval in multiple time series

    該方法提出通過基於重要點分段技術的分段動態挖掘距離作為相似性度量，既保證了度量的魯棒性，又減少計算復雜度；利用各個分段的抽取六個主要特徵，將時間序列轉化成一種特定的符號序列，在此基礎上利用海量全文索引結構實現了相似性的索引查找。
  17. With the approach and the composition logic, we define a service composition knowledge template, which using pattern, quality of service and service resource can configure flexibly. end - users can construct application by configuring the parameter according to their own individuation requirement and realize the service optimal selection by initiative recommendation at runtime. ( 2 ) proposed domain ontology based template selection algorithm and content based service recommendation algorithm we introduce domain ontology into composition template, provide the semantic description with domain ontology, and facilitate the management of composition template

    從支持業務用戶「編程」的角度出發，充分利用領域專業人員的知識和經驗，將其引入到組合知識的抽取和使用中，採用基於案例推理的技術，利用已有的vinca流程，提出了一種基於vinca服務組合的知識抽取方法，利用給定的知識抽取方法，並基於組合邏輯定義了一種使用模式、服務質量和服務資源均可靈活配置、具有行為多態特徵的服務組合知識模板，給出了其性質分析和實例化方法。
  18. Experiments show the presented hierarchical indexing scheme outperforms the original vq - based indexing method and probabilistic approximate nn searches. both presented approaches support quadratic - form distance metric and can integrate with relevance feedback techniques for practical large - scale image retrieval systems

    通過對二次型距離的推廣，提出了二分量判別函數，使用非線性的方法抽取反映散度判據和距離判據的特徵，具有比線性方法具有更高的檢索精度。
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