矢量圖象 的英文怎麼說
中文拼音 [shǐliángtúxiàng]
矢量圖象
英文
vector image-
The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。A coding scheme is proposed to eliminate the redundancy of output vectors in pyramidal lattice vector quantization ( plvq ). a fast algorithm of labeling lattice points and a fast algorithm of finding lattice points are presented. and the transmission priority in case of asynchronous transfer mode is suggested
提出了一種與圖象本身無關的熵編碼方法去消除金字塔格型矢量量化（ plvq ）的輸出冗餘：同時也提出了由格點輸出索引和由索引輸出格點的快速演算法；而且還根據異步傳輸模式（ atm ）的特點，選擇了傳輸的優先級。Svg allows for three types of graphic objects : vector graphic shapes, images and text
Svg支持圖形對象的三種類型：矢量圖形、圖像和文本。Vectorization, i. e. raster - to - vector conversion, is the process of analyzing the scanned image of an engineering drawing in paper form and recognizing the graphic objects in the drawing, and finally, generating the vector format file
工程圖矢量化是將紙介質工程圖紙掃描輸入計算機后，對所得的掃描圖像加以分析、識別，最終重建其中的目標對象的過程。The total auto symbol recognition disposition method proposed in this paper can deal with the problem which converts papery of aircraft theory graphics or system graphics into vectorgraphs which can lose some useful information. furthermore, the display technique with multi - level buffer not only resolves the problem of high - speed for aircraft theory graphics or system graphics in cbt, but also ensures scrolling and zooming in / out smoothly and avoids the flashing phenomenon efficiently
目前紙質的飛機系統圖、原理圖矢量化方法用基本的矢量圖元按其位置來再現原始圖，從而導致矢量后圖中各符號整體信息丟失問題，該文提出的自動符號識別方法可有效地解決該問題，此外改進多級緩沖顯示技術不但可有效地解決cbt中系統圖、飛機原理圖的快速顯示，而且也保證圖形可連續光滑滾動和消除放縮拖動時屏幕閃爍現象。However, there still exists correlation between coefficients of sub - matrices after 4d - mdct. this thesis proposes a four dimensional matrix video coding method based on context to get rid of the correlation between coefficient sub - matrices further. it includes three parts as follows : firstly, this thesis presents a four - dimensional matrix video encoder and decoder model, which contains components of prediction, transform and entropy coding
實驗結果表明，該方法與傳統的二維編碼方法相比，具有高壓縮比和高圖象質量的優點;與矢量量化編碼相比，具有碼表體積小，計算復雜度低的特點;與霍夫曼編碼方法相比，在相同信噪比的條件下，對運動相對劇烈的視頻序列壓縮效果要更好。Image code is a developing field on image compress and a lot of methods on that has now generated, such as statistic code, predict code, transform code, subband code, model code, wavelet transform code, vector quantization code, neural networks code, fractal code etc. in this thesis, we mainly describe our work on vector quantization code and wavelet transform code on image compress
常見的圖像壓縮編碼方法有：統計編碼，預測編碼，變換編碼，子帶編碼，模型基編碼，小波變換編碼，矢量量化編碼，神經網路編碼，分形編碼等。本文以矢量量化壓縮編碼和小波變換壓縮編碼這兩種圖像壓縮編碼方法為主要研究對象。The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image
本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理，研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。Sts produces substantially better visual results. sts is faster than lic ( linear integral convolution ) texture - based method. 2 ) in order to overcome the lic ' s shortcoming that only presents direction of the vector field, multi - granularity lic and image blend technique which can present the magnitude and direction at one time are proposed
2 ）提出了多粒度lic紋理和圖象混合技術，它們能很好地同時表示矢量的大小和方向，從而克服了lic紋理方法只能表示矢量方向而不能表示矢量大小的缺點。This paper gives a new 3d spatial object model, iont which the 3d vector spatial data, digital elevation model and digital ground image data are integrated, and introduces com to the implementation of the spatial object model
摘要提出了一種新的基於3d矢量圖形、數字高程模型與數字正射影像相結合的空間對象模型的設計思想，並將com組件技術引入到該模型的實現中。( 3 ) a series of new methods of feature extraction based on the generalized optimal discriminant analysis are proposed, including the improved algorithm based on guo ' s algorithm calculating the generalized optimal set of discriminant vectors, the analytical algorithm of solving generalized optimal set of discriminant vectors which is the complete solution of the generalized optimal set of discriminant vectors, and the new algorithm of feature extraction based on the generalized kl transformation which enjoys the advantaqges of higher recognition rate and the lower computational load. furthur more, we have proposed the relationship between the generalized kl transformation and the generalized optimal discriminant transformation, a new explanation of generalized kl transformation has been obtained
（ 3 ）提出了基於廣義最優鑒別分析的圖象特徵抽取的一系列新方法，它們包括： guo廣義最優鑒別矢量集演算法的改進方法；廣義最優鑒別矢量集的解析演算法，徹底解決廣義最優鑒別矢量集的求解問題；提出了基於廣義k - l變換的特徵抽取方法，並從理論上揭示了基於廣義k - l變換的特徵抽取方法和基於廣義最優鑒別準則的特徵抽取方法之間的關系。( 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。Zerotrees and pyramidal lattice vector quantization for wavelet image coding
金字塔格型矢量量化的小波圖象編碼Through anatomizing ezw coding algorithm and taking the effects of human being ’ s vision characteristics on quality of reconstituting image. a improved zeretrees algorithm are put forward. at last a new image compression encoding algorithm based on wavelet transform and vector quantization is put forward. the experiment show, in very low bit rate, using the proposed algorithm, the reconstructed image is superior to that of ezw in both of perception and psnr
最後，在小波樹的基礎上，通過對矢量量化的研究，本文提出了一種基於四叉樹結構新的小波樹矢量量化壓縮編碼演算法，實驗證明，在較高壓縮比的情況下，使用此方法得到的重構圖象質量（視覺效果和峰值信噪比）比通常的小波壓縮演算法有了較大的提高。77 motion vector : a two - dimensional vector used for inter prediction that provides an offset from the coordinates in the decoded picture to the coordinates in a reference picture
運動矢量：一個二維矢量，用在幀間預測中，提供解碼圖象（中塊）相對于參考圖象（中參考塊）的坐標的偏移量。To show color characteristic of image, the method of the hsv color space, which is suitable to the visual characteristic of human, is utilized. taking advance of human ? feeling to color, it quantifies color sector with unequal interval, and get characteristic vector. finally, it matches the similarity of image with the algorithm of the histogram intersection
這種方法採用符合人類視覺特性的hsv顏色空間來表示圖象的顏色特性，利用人對顏色的感知來對顏色分量進行非等間隔的量化並形成特徵矢量，用直方圖交叉演算法進行圖象的相似性匹配。A classified vector quantization scheme of still image based on wavelet transform
一種基於小波分解的圖象分層分類矢量量化方法Content - based image rrtrieval ( cbir ) is a kind of retrieval, which derictly use content of an image for information search, it is one of most active researches in multimedia retrieval field. in order to analysis the informations included in an image, the cbir system always ultilize the color, texture, shape and other low level image features. to establish the feature vectors as retrieval index. in present time, the main cbir method is similiarity search based on multi - dimension feature vector of image
基於內容的圖像檢索（ cbir ， content - basedimageretrieval ）是指直接採用圖像內容進行圖像信息查詢的檢索。基於內容的圖像檢索技術是當前多媒體檢索研究的熱點之一。基於內容的圖像檢索方法，其主要思想是根據圖像所包含的色彩、紋理、形狀以及對象的空間關系等低層圖像特徵來分析圖像信息，建立圖像的特徵矢量作為其索引，檢索方法目前主要是根據圖像的多維特徵進行相似查詢。The image class is an abstract base class that provides methods for working with raster images bitmaps and vector images metafiles
類是抽象基類，它提供了處理光柵圖像（位圖）和矢量圖像（圖元文件）的方法。Includes artist and gallery listings, news, events, and articles. galleries and artists are encouraged to submit their work
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