database retrieval 中文意思是什麼

database retrieval 解釋
數據庫檢索
  • retrieval : n. （可）取回，（可）恢復，（可）挽回；（可）修補，（可）修正，（可）更正；（可）彌補，（可）補償。 beyond retrieval 不能補救的，不能挽回的。
  1. A fors ( floricultural document tentative ontology - based retrieval system ) has been firstly developed in china in order to validate the reusability of fom. fors was based on chinese agricultural scientific & technological document database

    進而為了驗證花卉學本體模型的可用性，論文還在國內首次設計並構建了一個具有一定推理功能的花卉學文獻試驗性本體檢索系統。
  2. In the fifth chapter, a. web - based sample content - based video retrieval system, which was developed with the tools of asp ( active server pages ) programming technology and sql server dbms ( database management system ), was demonstrated

    第五部分實現基於內容的視頻檢索系統，這一部分涉及到了前面章節的da碩士學垃論文四厲石墳「叮礬』 nl正「基礎知識，重點是技術的實現。
  3. Content - based image retrieval in database using svm and gray primitive co - occurrence matrix

    和灰度基元共生矩陣進行圖像數據庫檢索
  4. Because of considerable storage space and larger index database, higher rate in the full searching and the lower rate in the exact searching, the article demonstrates a new retrieval method based on the phrase list

    然後針對該演算法存在的「索引庫較大、匹配速度不高和查全率較高而查準率較低」等缺點，引入了第二種檢索方法：基於詞表的檢索方法。
  5. Scopus abstract database and its retrieval on internet

    文摘數據庫及其檢索利用
  6. 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。
  7. Virtual fields, such as fields referencing basic subroutines, cannot be updated using sql, as the database cannot reverse engineer the retrieval process

    虛欄位，例如引用basic子程序的欄位，是不能使用sql來更新的，因為數據庫不能執行檢索過程的反向工程。
  8. And based on these theories and methods, an image retrieval by region units is presented. first, when scan image orderly, continuously incorporate neighbor similar pixels in color and get several region units. then, write the values of color, shape, and position into database

    基於這些理論與方法，提出了一種以區域塊為單位的圖像檢索方法，其基本思想是在順序掃描圖像的同時，運用遞歸演算法不斷合併四鄰域相似顏色象素得到若干區域塊，同時記錄下區域塊的顏色、形狀和位置等量化特徵。
  9. Comparison between two retrieval system service ways of dialog cd database

    光盤數據庫兩種檢索系統服務方式的比較
  10. The main results in this paper as follows : first, a prototype of a shape - based image database retrieval system is completed, it can receive the query mode both by giving an example image and by sketching the desired object on the screen, second, five shape - based image retrieval methods are realized ; third, an algorithm based on triangulation for shape - based image retrieval is brought forward. in this algorithm, firstly, the edge of the original image is followed and the candidate corners in the original image are detected. then the counterpoints of the candidate corners in the result of edge follow are found, and the boundary corners whose counterpoints have been found are queued in the order of their counterpoints in edge follow

    同時本文中主要完成了以下三方面的工作：完成了一個基於形狀特徵的圖象檢索的原型系統，可實現例子圖象或徒手繪草圖兩種查詢方式；實現了五種利用形狀特徵進行圖象檢索的具體方法，並對其進行了分析比較；並且在繼承將三角剖分引入形狀檢索的思想基礎上提出了利用三角剖分進行形狀檢索的一種新演算法：先對原圖象進行邊界跟蹤和角點檢測；然後尋找初始角點在邊界跟蹤中的對應點，並對找到對應點的角點按其對應點在邊界跟蹤中的順序進行排序；再對排序后的角點進行德洛內三角剖分，得到能表示目標真實形狀的三角形序列；最後計算三角形序列的角度直方圖作為形狀特徵，並進行相似性匹配。
  11. The system implements pipe - line graphic to be build dynamically by using spatial database retrieval technique

    利用空間數據庫檢索技術，系統實現了三維管線圖的動態構建。
  12. What s more, simple concurrent programming has been available on essentially all unix hosts since at least 1988, which is when ksh standardized its " co - processes. " if you save the ksh source in listing 1, below, as ex1. ksh and then run it, you ll see a " countdown " - " ten, nine, eight, etc. " - display, then the result of the ksh subprocess : " all done. " in practice, you might use something like this for a long - running chemical calculation or database retrieval : launch the operation as a subprocess, but keep users informed about what s going on or how much time is left before completion

    此外，至少自1988年以來，基本上已經在所有unix主機上實現了簡單的並發編程，在1988年這一年ksh對其「協同進程（ co - process ） 」進行了標準化。如果您將下面清單1中的ksh源代碼保存為ex1 . ksh ，然後運行它，您會看到「倒計時」顯示： 「十、九、八，等等」 ，然後看到ksh子進程的結果： 「 all done 」 。實際運用中，您可能會對長期運行的化學計算或數據庫檢索使用類似這樣的操作：啟動操作作為子進程，但是讓用戶始終知道操作的進展或完成之前還剩多少時間。
  13. In this thesis, a detailed survey on 3d model retrieval techniques is given firstly, witch include feature extraction, similarity calculation, and database retrieval algorithms

    本文首先對現有的3d模型檢索技術進行了全面的綜述，介紹了這些檢索技術的特徵提取方法、相似度計算、數據庫檢索方法。
  14. A basic problem, in such areas as image analysis, computer vision, automatic navigation, diagnosis based on medical image and image database retrieval, is the automatic segmentation, description and recognition of objects in image

    圖像物體的分割、描述、特徵提取和識別是圖像分析、計算機視覺、自動導航、基於醫療圖像的診斷以及圖像數據庫檢索等領域的一個核心問題。
  15. Lastly, a skeleton - based experiment system for image database retrieval is designed and implemented on the basis of the symmetry based object representation and recognition theories. the prospective result is shown

    最後，在基於對稱性的目標描述和識別理論的基礎上，建立了一個基於骨架的圖象數據庫檢索的實驗系統，取得了預期的效果。
  16. Image database retrieval is a hot topic and has attracted increased attention from researchers. it includes several contents such as describing the image visual content ( extracting features ), image database management, image matching and so on

    圖像數據庫檢索是當今信息時代人們廣泛關注的熱點問題，主要包括對圖像內容的描述（特徵表達及提取） 、圖像數據庫管理、圖像匹配等內容。
  17. Through the analysis on the basic principles and steps of cross - database retrieval system, this paper probes theoretically into the factors of influencing the searching efficiency of cross - database system, and advances some improving measures

    通過分析跨庫檢索系統的基本原理與步驟，從理論上探討了跨庫檢索系統檢索效率的影響因素，並提出了改進措施。
  18. Consequently, the computational cost of the method is low. in addition, the methods presented by the dissertation can also be applied to character recognition, speech segmentation and recognition, obstacle avoidance for robot, image database retrieval and hiding

    本文獲得的成果還可以用於字元的識別、語音分割與識別、機器人避碰、圖像數據庫的查詢與檢索以及計算機圖形學中圖形消隱與裁減等許多學科領域。
  19. Also, i provide the introduction of the various specialties of every kind of retrieval system. comparing cd - rom, international on - line databases, and internet retrieval systems while providing retrieval paths, their ability to support multi - database retrieval, and various other relevant aspects of information retrieval systems. chapter two : chapter two discusses research on medical information retrieval performed over the internet

    介紹了各種檢索體系的特點、國內外有影響和常用的代表性的數據庫，最後對醫學計算機檢索系統的主要檢索技術進行介紹，並對光盤檢索、國際聯機檢索和網路檢索從信息量、時差、費用、檢索途徑、是否支持同時進行多數據庫檢索等方面進行比較研究。
  20. With the development and application of internet, information service organizations are confronted with both opportunities and challenges. establishing the full - text database retrieval system based on web has become a trend. against this background, the service system for military medical information is designed and constructed

    隨著internet技術的發展和應用，信息服務機構遇到了巨大的機遇和挑戰，通過網際網路面向用戶提供高效、快捷、全方位的信息服務，是當前世界范圍內信息行業發展的新方向，軍事醫學信息服務系統就是在這種環境下開始研建的。
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