change detection 中文意思是什麼
change detection
解釋
變更檢波-
The value of gravimeter surveys for gravity change detection lies in the fact that gravity change indicates elevation change.
用重力測量檢測重力變化的意義在於，重力變化表示高程變化。 -
This paper studies urban change detection with sar images. this paper discusses widely - used change detection techniques and mainly studies image differencing method
本文對當前常用的變化檢測技術進行了討論，主要研究了圖像差值變化檢測方法。 -
The former requires the availability of a ground truth. the latter performs change detection without any additional information besides the raw images considered
前一種需要利用先驗知識，而後一種除了利用原始圖象信息外，不需要任何另外信息。 -
After analysis of tm / etm + data ' s advantage over the forest change detection, tasseled cap transformation, principal component analysis and normalized difference vegetation index were chosen to enhance the vegetation spectral information. expert classification system was adopted to extract the main tree species in the littoral shelter forest
在分析etm +數據在森林資源監測中的優勢的基礎上，通過纓帽變換、主成分分析和植被指數法增強植被光譜信息，結合專家分類系統對沿海防護林主要樹種進行提取。 -
New method of combining camera motion recognition and shot change detection
攝相機運動識別及視頻分割的組合檢測新方法 -
( 2 ) based on the review and analysis of typical object detection methods, especially the temporal difference, a moving objects detection algorithm based on three frame difference is proposed. this algorithm employs many new technologies, such as adaptive frame interval, half - pixel global motion estimation and compensation, adaptive change detection and object repair, therefore it is very practical
2 .在總結常用運動目標檢測方法，並詳細討論時間差分法的基礎上，針對實地拍攝的紅外圖像序列，提出了一種基於三幀差分的運動目標檢測演算法，該演算法採用自適應幀間隔、半象素全局運動估計與補償、自適應變化區域檢測、抗噪聲形態學處理和目標修復等一系列新技術，具有很強的實用性。 -
Some features and feature groups that can well show the characteristics of urban environment are founded through experiment to compare the performances of different features. for all the researches in this paper, the radarsat images in 1998 and 2000 and the spot image in 2000 of beijing and field survey data are used to validate. the experimental result demonstrates that a higher change detect accuracy can be obtained < wp = 4 > through the texture differencing method than through the image differencing method based on gray level and the wide application of texture differencing method for urban change detection in sar images
本文開展的各項研究工作，均使用北京地區1998年、 2000年radarsat圖像、 2000年spot圖像及實地考察數據進行了驗證，實驗結果表明，與灰度差值法相比，本文所提出的紋理差值變化檢測方法獲得了更好的檢測結果，也表明了紋理差值變化檢測方法在合成孔徑雷達圖像和變化檢測中良好的應用前景。 -
By using the single - probe change detection paradigm and a divided - attention procedure, two experiments were conducted in the present study to investigate the effects of feature dimension and attentional level on the representation of objects in visual working memory
摘要運用單探測的變化檢測範式和注意分配程序，兩個實驗分別考察了由相同維度特徵組成的客體和由不同維度特徵組成的客體在工作記憶中的表徵方式，以及注意對其的作用。 -
To achieve such a hierarchical structure mining, this paper proposed an efficient shot detection algorithm, developed a novel algorithm for measuring video shot similarity and adopt scene change detection ( scd ) to construct video scene based on color, texture and semantic similarity between shots
摘要為了實現視頻層次結構挖掘，提出了一個有效的視頻鏡頭分割演算法和一種鏡頭相似性度量方法，然後根據鏡頭顏色、紋理和語義相似性採用場景邊界探測演算法構造視頻場景。 -
Three satellite images, i. e. two from tm or etm and one from spot scenes, were used. land use change areas were determined using the two change detection techniques of post - classification comparison and spectrum comparison
按土地利用數據變化的監測、更新、分析與管理的技術路線，對長樂市1998 2000年的土地利用變化應用研究。 -
The resultant change images obtained by the two change detection methods were overlaied to obtain more accurate change information. the analysis of the change information indicates that land use in changle have changed greatly in the study period. the land use change mainly occurred in paddy field, forest, dry land and barren land
本文選取了1998年與2000年的tm / etm和spot遙感圖像，分別採用分類后比較法和光譜直接比較法對長樂市1998 2000年的土地利用進行變化信息提取，再通過兩者的疊加分析最後確認土地利用變化的信息，獲得較為理想的變化監測結果。 -
Fast segmentation of video objects based on change detection and spatial - temporal filters
基於變化檢測與時空濾波器的視頻對象分割方法 -
Error concealment based on scene change detection
基於場景檢測的錯誤隱藏技術 -
Scene change detection is the main part and basis of content based video retrieval, and it can works on uncompressed domain and compressed domain
鏡頭邊界的檢測則是基於內容視頻檢索的基礎和重要步驟，它可以在解壓域和壓縮域兩個方面進行。 -
In uncompressed domain, we analyse the processing and the normal algorithms of scene change detection. a new algorithm for video abrupt shot change detection based on the relation of the partial interframe differences is proposed in this dissertation
在解壓域，系統地分析了解壓域鏡頭邊界檢測過程和常見的解壓域鏡頭邊界檢測演算法，提出了一種新的解壓域鏡頭突變檢測演算法:基於局部幀間差相關性的鏡頭突變檢測法。 -
In compressed domain, we analyse the traditionary scene change detection algorithms that are based on the compressed streams of mpeg - 1 / 2 / 4 and introduce the newest standard of video compression : h. 264 / avc. on the basis of analyse of the new features of srteams of h. 264 / avc and theirs impact on traditionary scene change detection algorithms, a novel scene change detection algorithm on h. 264 / avc is proposed in this dissertation
在壓縮域，在分析傳統的基於mepg - 1 / 2 / 4碼流的鏡頭邊界檢測演算法的基礎上，結合最新視頻標準h . 264 / avc的碼流新特性，提出了一種在h . 264 / avc碼流上檢測鏡頭邊界的演算法。 -
The change detection based on the clustering of the imagery is proposed to achieve change detection of the large area targets. the steps of this change detection method are : registering the multi - date image pairs, clustering the image pairs respectively, finding differences of the clustered - image pair, marking the differences using the striking colors in the copies of the image pair
對于檢測大面積目標的變化，本文使用基於圖像聚類的變化檢測方法，實現步驟為：多時相圖像配準、分別聚類參考圖像和檢測圖像、尋找參考圖像和檢測圖像聚類結果中具有類別差異的像素、在原始圖像的副本中用醒目顏色標注變化部分。 -
M transformation used in multivariate change detection of noaa avhrr data
數據變化檢測中的應用 -
To the former one, since most previous work depends on the signature of nodes, which would be costly to be computed, a new way is proposed to discriminate those nodes that have the same paths in the intrinsic properties of the xml document. towards this end, the thesis introduces a series of notions related to the key path, which make the change detection of xml document easier. based on the notions, a change detection algorithm named kf - diff is presented, which is tailored to unordered trees
對於前者，針對已有演算法大多依賴非常耗時的結點簽名，並且演算法過程復雜的問題，本文提出了一種文檔變化檢測的處理方法，該方法利用文檔固有信息建立特徵參照體系，通過特徵路徑相關的一系列概念的引入，將傳統標號樹匹配問題轉化為無重復路徑的標號樹匹配問題，有效地解決了路徑等價類比較的問題，簡化了xml文檔的比較。 -
Forth, to extract the semantic object from the spatial segmentation, we applied a temporal segmentation based on the global motion compensation, statistical model - based change detection and post processing technology to get the motion mask
第四章是對運動信息檢測技術的介紹及實驗結果討論，這章涉及到時域上的運動掩碼檢測方案，全局運動補償，基於概率模型的運動檢測以及后處理。
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