similarity space 中文意思是什麼

similarity space 解釋
相似空間
  • similarity : n. 1. 類似,相像,相似。2. 類似點;類似物,相似物。
  • space : n 1 空間;太空。2 空隙,空地;場地;(火車輪船飛機中的)座位;餘地;篇幅。3 空白;間隔;距離。4 ...
  1. Experiments are performed and results show : 1 the popular retrieval models the okapi s bm25 model and the smart s vector space model with length normalization do not perform well for document similarity search ; 2 the proposed model based on texttiling is effective and outperforms other models, including the cosine measure ; 3 the methods for the three components in the proposed model are validated to be appropriately employed

    我們通過實驗驗證了以下三點: 1 trec中的常用信息檢索模型不能很好地解決文檔相似搜索2我們提出的基於texttiling技術的模型是有效的,性能優于其他模型3我們提出的模型中所採用的方法是有效的,包括利用texttiling技術進行文本子主題分割,利用餘弦公式來計算文本塊之間的相似度,以及利用最優匹配方法來求解文檔之間的總體相似度。
  2. Document similarity search is to find documents similar to a given query document and return a ranked list of similar documents to users, which is widely used in many text and web systems, such as digital library, search engine, etc. traditional retrieval models, including the okapi s bm25 model and the smart s vector space model with length normalization, could handle this problem to some extent by taking the query document as a long query

    文檔相似搜索指從文檔集中檢索與給定查詢文檔相似的文檔。對于給定的查詢文檔,我們期望文檔相似搜索系統能夠返回一個按相似度排序的相似文檔列表。文檔相似搜索技術已經被廣泛應用到電子圖書館,搜索引擎等系統中,例如citeseer . ist科學文獻數字圖書館的相似文獻推薦功能, google的相似網頁查詢功能等。
  3. Through the experiment, we test its feasibility. 3 、 to solve the insufficiency of the svm method, the thesis proposes another algorithm based on similarity computing for verb subcategorization acquisition, and use two different sentences similarity getting algorithms to the acquisition : vector space model and the algorithm for sentence structure similarity getting that based on word class cluster

    3 、針對支持向量機方法在自動獲取性能方面的不足,探索提出了基於相似度計算的動詞次范疇獲取演算法,並分別使用了兩種不同的句子相似度獲取演算法:向量空間模型和基於詞類串句子結構相似度獲取演算法,用於動詞次范疇類獲取。
  4. In the field of human face tracking, we contrast several main similarity methods nowadays, and adopt a method of human face tracking based on feature space model

    在人臉跟蹤領域,本文對比了當前幾種主要的相似度匹配方法,採用了一種基於特徵空間模型的人臉跟蹤方法。
  5. A fuzzy image data model and a concept of fuzzy space are proposed, in which model visual feature, spatial feature and semantic feature are used for super feature in order to utilize advantage of traditional relation database as well as characteristics of image data and fuzzy retrieval. based fuzzy space, a method of similarity measurement of image is presented to support fuzzy features - based image retrieval and satisfy user ' s query requirement for image. in the thesis, a semantic template and the mechanism of dynamic relevant feedback are defined so that it can express user ' s query semantic and improve retrieval precision and useable capability for image retrieval

    研究了模糊檢索方法和相關反饋機制在圖象檢索中的應用,提出了一種模糊圖象數據模型和模糊空間的概念,該模型將可視特徵、空間特徵、語義特徵看作超屬性,既充分利用了傳統關系數據庫的優點,同時又考慮了圖象數據以及模糊查詢的特點,文中提出的模糊空間和模糊相似性度量方法能支持基於模糊特徵的圖象查詢,較好地體現用戶圖象查詢的應用需求,文中定義的語義模板和相關反饋機制能在一定程度上表達用戶的查詢語義,提高圖象檢索的準確率和易用性。
  6. 6 we present the query optimization method. for the clustered time series database, the query sequence is classified to one of the cluster, and the efficiency of querying is improved for the similarity search space is limited in the cluster, . 7 we implement a client / server query system and test the presented methods

    根據序列數據庫的聚類結果,將序列數據庫劃分為若干層次的簇結構,通過對查詢序列進行k最鄰近分類,確定查詢序列所屬的簇,然後在相應的簇中執行相似性查詢,實驗結果表』明,基於簇的查詢顯著提高了查詢效率。
  7. 2. defining the entropy space of image and entropy difference, the concept of information entropy is applied to image retrieval. some mathematical properties of entropy are studied, and similarity measurement of image entropy and corresponding algorithm is presented. these techniques can reduce the dimensionality of histogram space from n to l ( n > l ), increase the image retrieval efficiency, and improve the capability of image retrieval system

    將信息論中的信息熵概念引入圖象檢索,定義了圖象墑空間、熵差的概念,研究了圖象熵的性質,探討了基於圖象熵的相似性度量方法和實現演算法,該方法可將n維直方圖空間變為1維,提高了圖象檢索的效率,改善了圖象檢索系統的性能。
  8. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數,包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等,提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式識別原理與方法,並用實例說明了該方法的應用效果。
  9. By the similarity partition of network traffic usage space, the codebook of vq can describe the network traffic usage profile accurately and achieved the usage space index via the vq

    通過相似性劃分用戶行為空間,矢量量化的碼書( codebook )能夠精確的描述用戶行為模式輪廓,實現了面向異常度量的網路業務量用戶行為空間索引。
  10. In the fact that different kind of audio has different distribution, audio classification can be achieved by the degree of distribution similarity in the feature space between the unknown audio and the audio trained be fore

    根據不同種類的音頻數據有不同分佈這一事實,比較未知音頻與已知音頻種類的數據在特徵空間中的分佈情況的近似程度,就可完成音頻分類。
  11. In this article, an equivalent definition of reconstruct function is drew in the state space reconstruct by time delay chaotic time series, that lead the prediction more conveniently. then introduce a weighted distance to depict neighbour points of prediction which insured the similarity of the neighbour points

    本文在時間序列坐標延遲后重構的相間中,作出重構函數的等價定義,提高了預測的可操作性;並在此基礎上,引入了加權距離來刻畫預測向量的鄰近點,保證了鄰近點的相似性。
  12. In this paper we use the color auto - correlogram as the similarity metrics of images in low - level feature space, and change the bandwidth function. then we propose the semantic relevance feedback. the system react differently to the positive and negative user ' s feedback so that the system can go on learning after the annotation process by updating the probabilities of the list of attributes of the relevant images and reaching the real values

    本文引入顏色自相關圖特徵作為圖像在底層特徵空間相鄰的度量,並修改了框架中帶寬的計算函數,然後引入反饋機制,對于用戶的正反饋和負反饋分別作不同的處理,以便在使用過程中,系統能夠繼續學習,根據反饋更新圖像的概率鏈表,使之逐漸接近真實情況。
  13. Analyzed the similarity between scheme solving problem and traveling salesman problem ( tsp ), the scheme solving problem for conceptual design is transformed into an optimal path problem in combinatorial optimization, where the dynamic programming based solution space model and the longest path based optimization model are developed

    摘要通過分析概念設計方案求解問題與旅行商問題的相似性,將方案求解問題轉化為組合優化的最優路徑問題,建立了基於動態規劃的解空間模型和基於最長路徑的優化模型。
  14. This paper analyzed the relationship between the model space, initial models, local minimization solutions, global minimization solution etc. in the geophysical inverse problem and the state space, particle state, stationary state, excited states, ground state etc. in the atomic transition based on the similarity of the procedure of iterative optimization for geophysical inverse problem and those for atomic transition

    摘要詳細研究了一般地球物理反問題的迭代優化求解過程與物理學中原子躍遷過程的對應關系,建立了反演問題中模型空間、初始模型、局部極值模型、最優化模型等與原子的態空間、定態、激發態、基態等的對應關系。
  15. Individual factor is divided into cognition factor, personality factor, competence factor and appearance factor. mutual factor is divided into mutual space / distance factor, mutual intercourse frequency factor, mutual similarity factor, mutual complementary factor and mutual adoration factor. and exterior factor is considered to include social circumstance factor and school circumstance factor

    再對三大因素分別進行進一步聚類分析,個體因素又被分成認知因素、個性品質因素、能力因素和儀表因素;雙方互動因素被分成雙方空間距離因素、雙方交往頻率因素、雙方相似因素、雙方互補因素和相悅因素;外部因素被分成社會環境因素和學校環境因素。
  16. Through analyze and express the whole power system with state space method, we assure the similarity of the system software simulated and real power system

    通過使用狀態空間法來分析和描述整個電力系統,我們保證了整個系統與實際電力系統的一致性。
  17. The basic elements of our approach to frames are contain in section one. a sequence of victors on a hilbert space h is called a frame if there are constants, such that as it ' s a important way to frame study by operators, we introduce preframe operator and frame operator associated with a frame { fi } i n and show corresponding relations between several frames and their preframe operators. also, we introduce some definitions such as similarity of frames, weak disjoint, disjoint and strong disjoint

    第一節闡述hilbert空間一般框架理論,所謂hilbert空間h上的框架是指h中的一列元素{ fi正n滿足: 3a , b > 0 , v正" ,有cx , atiftl 』 ( < f , fi > 1 』三biif2 ii2 i = 1通過運算元來研究框架是框架研究的主要方法,為此我們引入預框架運算元和框架運算元,並列出各種不同框架和其相應預框架算了之間的對應關系,為後文需要我們還列出了框架的相似,弱不交,不交和強不交的概念。
  18. Firstly a qualitative criterion for determining the space between adjacent sections in the sampling process and gaussian smoothing algorithm is proposed. then a topological reconstruction method is given. at last a new reconstruction method based on the similarity between adjacent sections is proposed

    首先提出了確定斷層間距的定性方法和數據平滑處理的高斯方法,然後給出了一種拓撲重構方法,最後提出了一種基於相鄰層輪廓相似性的曲面重構新方法。
  19. Recently it has also been applied to rf ( ratio frequency ) fields, and valuable achievements have been reached. ‘ fractal ’ has space filling ability and self - similarity ability. ‘ fractal ’ is a recursively generated structure by iterated function systems. it has a fractional dimension and possesses a self - similarity property. the concept of a ‘ fractal ’ has been applied to antenna design in order to reduce the size of antenna and obtain multi - band frequency operation

    分形具有空間填充能力和自相似性,分形是通過迭代函數系統產生的具有自相似性的分數維結構,分形的概念可用於天線設計以實現天線的尺寸減縮和多頻特性,這在軍用和民用方面都有著非常廣泛的應用前景。
  20. The essence of efmam is that, without destroying the original am ’ s structure and encoding strategies, the patterns in the original space is mapped into the similarity space, which is spanned by the training patterns, by means of empirical kernel map. thus the double noise tolerance is achieved. one is due to the empirical kernel map and the other due to the auto - fmams

    Efmam的實質是在不改變原始fmam結構和編碼策略的前提下,藉助經驗核映射,將原始輸入空間中的模式映射到由訓練模式張成的相似度空間中,從而達到雙重抗噪性(一是由於經驗核映射的引入,二是自聯想fmam本身的抗噪性)的目的。
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