ratio image 中文意思是什麼

ratio image 解釋
比值圖像
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  • image : n 1 像,肖像,畫像;偶像。2 影像,圖像。3 相像的人(或物);翻版。4 形像,典型。5 形像化的描繪。6...
  1. Film 35 mm ; projected image area, aspect ratio 1, 66 : 1

    35mm膠片.投影的圖象面積.圖象縱橫尺寸比為1 . 66 1
  2. In algorithms, classification algorithms are divided into two cases : one for known statistical distribution model and the other for unknown statistical distribution model. four classification algorithms, the bata - prime statistic model fusing quadratic gamma classifier, based on sar image rcs reconstruction and space position mode, on the mixed double hint layers rbfn ( mdhrbfn ) model and on the self - adapt fuzzy rbfn ( afrbfn ) model, are derived. the problems, including how to further improving the class ratio of the bayes decision, decreasing the dependence on the statistical model and directly providing the adapted algorithm with samples, are solved

    提出了基於徑向基函數神經網路( rbfn )的雙隱層混合網路( mdhrbfn )模型,解決了標準神經網路在具體sar圖像地物分類中分類類別數目不夠和分類精度差的問題;提出了基於模糊推理系統的自適應模糊rbfn分類( afrbfn )模型,兼顧通用性與精確性,增強人機交互能力,進一步提高了演算法分類率。
  3. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。
  4. Tide is the primary dynamic factor in building tidal flat ; it must be affect tidal creek system on mud flat. therefore, based on the raster image of the year of 2000, the thesis has built correlation equations between average tidal ranges and the density of tidal creeks, the ratio of the width of outlet to the length of low tidal shore, the ratio of the area of tidal creek to tidal basin respectively. the result shows that the former is high well - marked correlation ; the two latter are well - marked correlation

    潮汐是塑造潮灘的主要動力因素,它必然與淤泥質潮灘上潮溝系統的發育有密切的關系,為此,本文以2000年的衛片作底圖,對潮溝系的密度、溝口寬度占低潮線長度的比值以及潮溝面積與潮盆面積的比值,分別與平均潮差建立了相關關系,結果發現,潮溝系的密度與平均潮差之間存在著高度顯著的相關性,溝口寬度占低潮線長度的比值和潮溝面積與潮盆面積的比值與平均潮差之間存在著顯著的相關性。
  5. At the surface of the pollen grains there are three types of aperturates, including three porates type, three colpates type and three porate - colpates type ; and four types of sculpture, namely, reticulate, striate, striate - reticulate and verrucate. the upper epidermal cells of the leaves of 12 species plants are detected with hpias - 1000 image analytic system through the treatment of binarization, and the experimental methods are proved stable. the results indicated that the waviness of the anticlinal walls ( sfc ) and the ratio of the feret ' s diameter ( slf ) of the epidermal cells of the middle lamina in the third node of leaves starting from the lowerest part of the stem have a relative constant range and could distinguish from each other. oieanolic acid, l, 5, 8 - trihydroxy - 3 - methoxyxanthone and swertiamarin are separately detected on the tlc, and the different chromatogram of various plants can be considered as characters of identification. the contents of oleanolic acid in 12 species of plants are determinated by hplc, but among the different plants and botanical organs their contents are different, and the highest content in flowers

    本文對川鄂產獐牙菜屬藥用植物資源進行了野外調查、標本採集和鑒定,對12種乾燥藥材的性狀進行了描述,提供了可以鑒別的特徵。通過掃描電子顯微鏡觀察的12種本屬藥用植物的花粉粒均為單粒花粉,萌發孔有3孔型, 3溝型和3孔溝型三種類型;表面紋飾包括網狀紋,條狀?網狀紋,條狀紋和瘤狀紋四種類型。用hpias ? 1000高清晰度彩色病理圖文分析系統對葉片上表皮細胞作圖像分析,並進行方法學研究,結果表明,同種植物莖上第3節葉片中段主脈和第1側脈之間葉上表皮細胞垂周壁彎曲程度sfc值和細胞縱、橫向直徑的比值slf值,種間有顯著差異,每種都有相對恆定范圍值。
  6. In this paper, based on the study of vga graphic displaying theory and the theory of synchronizing display between led large - screen display system and crt image, a method, bit plane addressing method which has good effect -. high ratio of performance to price and can be implemented easily in circuits is discussed. and the principle and the implementation of the multi - gray led display system with programmable logic devices cpld and fpga are analyzed in detail

    本文在分析vga圖象顯示原理和led大屏幕與crt視頻圖像同步顯示原理的基礎上,論述了一種顯示效果較好、性能價格比高、電路上易於實現的方法? ?位平面尋址法實現多灰度圖象,並詳細分析了應用復雜可編程邏輯器件cpld和在線可編程邏輯器件fpga實現多灰度彩色led大屏幕圖像顯示的原理及電路實現。
  7. The dissertation is mainly including four section : the first is the experiments done in the tank, which will supply the reliable information of imaging data ; the second is image edge detection by the use of the art of the zernkie moments, which is used to detect the liner and threaded edge of the object, the third is the underwater camera calibration technique, the forth is automatic positioning the location of the camera by used of the art of cross - ratio, the result of which is satisfied

    本文工作分為四個部分:第一部分是水槽實驗部分,它為后續的工作提供了可靠的圖像數據信息;第二部分是基於zom距的直線、曲線邊緣提取技術及相關的與處理技術;第三部分,水下攝像機標定技術研究,基於改進的tsai演算法,採用逐步分解的標定策略。並探討了一種相對簡單的、靈活的標定技術;第四部分是攝像機定位技術研究,採用具有平移不變性的交比進行攝像機定位,模擬試驗的最大誤差不超過2 ,效果還是令人滿意的。
  8. This dissertation deals with the content - based image retrieval ( cbir ) theory and technique ; some new features and tools for more concisely and discriminatingly charactering the content of an image are proposed, such as region - based color histogram, grey - primitive co - occurrence matrix, ratio of centripetal moment, ratio of eccentric moment and ratio of inertial moment. a new modified genetic algorithm is also described in this dissertation, which can upgrade the performance of standard genetic algorithm ( sga ) while used in image segmentation

    本文以圖像數據庫檢索為主線,討論了基於視覺內容的圖像檢索方法,提出包括基於區域顏色直方圖、灰度?基元共生矩陣及向心矩比、偏心矩比、慣性矩比的特徵描述方式;對遺傳演算法存在的早熟、收斂到最優解慢等問題提出了解決方法,並將改進遺傳演算法應用到圖像分割中,編制了相應程序。
  9. Solid model of the involute worm gearing solid model with drive ratio 1 / 50 is built by using ideas - 5. 0, then the elastic contact analysis is proceeded on the basis of contact fem. the dynamic evolution image of the area of the contact zone, the load sharing among instantaneous meshing tooth pairs, the distribution of the contact force, and tooth stress are obtained. 3

    通過漸開線圓柱蝸桿、蝸輪的齒面方程式,利用ideas - 5 . 0軟體建立了傳動比為1 / 50的漸開線圓柱蝸桿傳動的實體幾何模型,在此基礎上應用接觸有限元方法對該傳動進行了彈性接觸分析,包括接觸區的形狀、位置、載荷在瞬時嚙合齒對的分配狀況; 3
  10. Researchers have developed many methods for image compression, and fractal image compression, as a new scheme of image compression, has received a great deal of attention and study from researchers all over the world in the field of image compression because of its desirable properties such as fast decoding, resolution independence of decoded image and high compression ratio

    目前人們已經提出了很多壓縮方法,而分形圖像壓縮作為一種新的壓縮方法,因其具有壓縮比高、解碼速度快、解碼圖像與解析度無關等優點,十余年來引起了眾多學者的關注和研究。
  11. Characteristics of electro - optical x - ray image intensifiers for medical electrical equipment - determination of the contrast ratio and veiling glare index

    醫用電氣設備.電光x射線圖象增強器的特性.第6部分:對比率和雜光指數測定
  12. Medical electrical equipment - characteristics of electro - optical x - ray image intensifiers - part 6 : determination of the contrast ratio and veiling glare index

    醫用電氣設備.光電x射線影像增強器特性.第6部分:對比度及炫光系數的測定
  13. Medical electrical equipment. characteristics of electro - optical x - ray image intensifiers. part 6 : determination of the contrast ratio and veiling glare index

    醫療用電氣設備.電光x射線圖象增強儀特性.第6部分:對比率和雜光指數的測定
  14. Medical electrical equipment - characteristics of electro - optical x - ray image intensifiers - part 6 : determination of the contrast ratio and veiling glare index iec 61262 - 6 : 1994 ; german version en 61262 - 6 : 1994

    醫療電氣設備.光電x射線圖象增強器特性.第6部分:對比
  15. Thus the coding of a color head image actually become the coding of a color component. the experimental results show this method not only improve the coding efficient and compression ratio but also obtain satisfactory effect of the reconstructed image. at the same time, this method also enables gray head images to be converted into color head images

    這樣對彩色人頭圖象的編碼實質上就變成了對其中的一個色彩分量的編碼,實驗結果表明該方法不僅提高了編碼效率和壓縮比,也能獲得較滿意的重構圖象效果,同時還使得將灰度人頭圖象轉換成彩色人頭圖象成為可能。
  16. Also, through the spectral analysis in digital image processing, methods of geometric correction and accuracy analysis, strengthening of information and extraction of the feature information of emerging of ratio and information ; the extraction of species and division into sub - compartment by using multi - supplementary information sources " ; and from the identification ability of a compartment, division into sub - compartments, land type and species and the ability of accuracy of geomatric correction and map - drawing ; they can be used as the comprehensive assessment of the ability of landscape planning and many other aspects, and determine the adaptiue faculty of different information sources in the forest management inventory

    經過數字圖像的光譜分析、多種方法的幾何校正及精度分析、信息增強、比值及信息融合等多重技術進行特徵信息的提取,並應用dem 、林相圖和地形圖等多種輔助信息源,提取樹種、小班區劃等信息,提高了林班區劃、小班區劃、地類和樹種識別的能力與幾何校正精度、制圖能力,可用於風景區劃等方面進行綜合評價,確定不同信息源在森林資源二類清查中的適用性能力。
  17. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的高頻部分,根據其分佈特性和人眼的視覺特性,採用視覺模型對零樹量化過程的閾值進行修正,有效地去除視覺冗餘;對各高頻子圖採用多級樹集合分割的零樹編碼方法,有效地利用系數編碼剩餘符號,進一步提高壓縮比。
  18. As a new technology and new mode in the next generation rear projection tv and hdtv, reflective lcd is the best way to realize bright light output and high contrast ratio image. in the forth chapter, the physical characteristics and electronic - optics behavior are studied, as well as the working principle and properties of lcds. following the continuum theory, the detail formulas for calculating the director alignment of perpendicular alignment and twist nematic lcds are given

    高亮度、高解析度、高對比度以及體積小、重量輕、色彩豐富、圖像逼真始終是投影顯示技術的發展方向,在本部分,從亮度、解析度、重量和晶元闡述了投影機的技術發展趨勢,得出結論:反射式液晶投影顯示是實現高解析度高亮度投影顯示的最佳方案,也是新一代背投電視尤其是背投hdtv的最佳方案。
  19. Present two constrain - based texture mapping methods using rbf and harmonic model interpolation respectively, which are expressed in explicit formulation and satisfy c1 or c2. combining wavelet decomposition and eri ( expression ratio image ), we propose a new parameterized algorithm for transforming facial expressional details

    提出並實現了基於rbf 、 harmonicmodel插值的兩種基於約束的紋理映射演算法,可以實現形式化表示的、滿足一階或二階連續的紋理坐標插值。
  20. A face recognition algorithm based on improved bp neural network is proposed. first, wavelet transform is utilized to reduce both the dimension of face images and the data amount. then face images are normalized by illumination ratio image to overcome the influence of illumination variation

    運用小波變換對人臉圖像進行降維,在減小數據量的同時保持圖像的基本信息;運用基於光照率圖像的方法對圖像進行光照校正,以改善光照變化對圖像質量的影響;運用改進的bp神經網路對不同光照條件下的人臉圖像進行識別。
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