顯像對比度 的英文怎麼說
中文拼音 [xiǎnxiàngduìbǐdù]
顯像對比度
英文
reproduced image contrast- 顯 : Ⅰ形容詞1 (明顯) apparent; obvious; noticeable; evident 2 (有名聲有權勢的) illustrious and inf...
- 像 : Ⅰ名詞1 (比照人物製成的形象) likeness (of sb ); portrait; picture 2 [物理學] image Ⅱ動詞1 (在...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 顯像 : video picture; display; presentation; developing; development; visualization
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In order to be the choice of hdtv, different kinds of displays develop much fast in the recent years. the dissertation introduces the development of all kinds of display, and gets the conclusion that, cpt still has the great advantage in the tv terminal field under the condition that the lcd is taking the place of cpt in the cdt field. the main research contents of cpt which includes high - luminance, high - contrast, high - definition, low - power, and complanation, have been investigated
本文系統地闡述了hdtv用的顯示器件的基本要求及其發展歷史和現狀,介紹了各類顯示器件欲成為hdtv終端顯示近年來所作的努力;總結出了雖然在彩色顯示器( cdt )領域,液晶顯示器( lcd )已經大有取而代之之勢,但是在電視終端領域,彩色顯像管( cpt )還是有其不可替代的巨大優勢;並分析了高亮度、高對比度、高解析度、低功耗、平面化等cpt製造的關鍵技術和研究動向。Edge detecting on maximum contrast image of image sequences was done as well, and the results show that effect of canny operator is better
同時對序列圖像的最大對比度圖像進行邊緣檢測,結果顯示canny運算元效果較好。According to the characters of microscopic pathologic image and requirement of clinic and medical scientific research, we implemented various kinds of ootor image processing and parameter measuring approaches, including image movement and adjustment, brightness / contrast adjustment, image edit and length, acreage, amount measurement of ro1
系統針對顯微病理圖像的特點,結合臨床應用和醫學科研工作的需求,重點建立了一系列適合醫學應用的彩色圖像處理方法和特徵參數測量方法。這些方法包括圖像的移動、縮放、亮度對比度調整、圖像編輯以及感興趣區域長度、面積、數量等特徵參數的測量分析功能。According to the characteristic of ieee 1394 with wide bandwidth, common and real - time, the author put forward ieee 13 94 should be applied into real - time digital video transfer in optics - electronics theodolite. before engineering realization, carried out a video image transfer test on three types of digital video tape recorders and camera with ieee 1394 interface. we found that digital videos without compression transfered under ieee 1394 standard ( transfer from 4. 5m to 100m ), compared with analog videos, have no geometric distortion, and have better luminance, contrast, definition
作為工程實現前的實驗研究,對三類具有ieee1394介面的數字錄像機和攝像機進行了視頻圖像傳輸實驗,發現無壓縮格式的按ieee1394標準傳輸的數字視頻圖像(傳輸距離從4 . 5米到100米之間) ,較原始模擬視頻圖像在幾何位置信息上沒有衰變,而在亮度、對比度、邊緣清晰度這些方面有明顯的優勢;但是按dvcam壓縮格式(常見于sony公司的系列產品,是5 : 1的dct幀內壓縮)壓縮的數字視頻圖像,較原始模擬參照圖像有明顯的幾何畸變。The digital information is easy to process by pc. this paper introduces the stereo matching techniques in msv system, including image pre - processing, feature abstraction, stereo matching and depth information acquiring. in order to obtain images easy to detect objects " edges, images have to processed by the techniques such as guass smoothing and image enhancement
針對顯微圖像的特點,對圖像進行了高斯平滑和圖像增強處理,有效的抑制了隨機噪聲對圖像處理的影響,提高了物體與背景的對比度,有效的實現了物體與背景的分離,為邊緣檢測特徵提取,立體匹配提供良好的圖像信息。In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size
本文根據粒度圖像的特點,採用非線性對比度增強處理改善顆粒顯微圖像的對比度;對多種閾值分割方法進行比較,分析了它們的性能和用於粒度圖像的適用性,在此基礎上提出了一種基於梯度圖像的動態閾值分割方法;對獲取的顆粒二值圖像進行形態濾波和空洞填充,設計了識別演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法;提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數,對珍珠粉等粉體粒度進行了測量。Correlation between radionuclide pulmonary perfusion imaging and lung biopsy in severe pulmonary hypertension caused by congenital heart defects in young children
小兒先心病重度肺高壓的核素肺灌注顯像與肺活檢對比研究Ct mri medical image system in pursuit of high - resolution, high - brightness and high - contrast has always brought new technical demands for medical display field. based on the accumulated top techniques and abundant experience, and the opinions and requirements gained from doctors working in the first line, bigtide has developed more convenient high - precision professional lcd for ct mri, which can be used to be responsible for the medical field that allows no performance compromise
追求高解析度高亮度高對比度的ct mri醫療影像系統總是一次次為醫學顯示領域帶來新的技術要求, bigtide憑借多年積累的尖端技術和豐富經驗,並廣泛聽取了醫療第一線醫生的意見與要求,開發出了操作更容易的ct mri用高精度專業液晶顯示器,來應對不能有絲毫性能妥協的醫療現場。Mura is a japanese word meaning blemish that has been widely adopted by the display industry to provide a name for low contrast, non - uniform brightness regions, typically larger than single pixels
Mura一詞來源於日語,原意為臟污或斑痕,現已被顯示器行業普遍接受,專門用來表示一類對比度低、亮度不均勻、面積大於一個像素的面缺陷。But for some special medium materials, such as liquid crystal display controller pcb, magnifiers must be used to gather images to gain enough precision of inspection for the weak contrast between the basic board and the conductor. the images near the light axes are much cleared than that far away from the light axes, so the images can not be simply segmented by black and white and inspected with the methods of pcb which are based on the black white image
但對於一些特殊介質材料,如液晶顯示控制電路板的檢測,由於基板和導體之間對比度不大,而且為了達到檢測精度,必須採用放大鏡頭進行圖像採集,成像系統光軸附近的圖像成像質量較好,而偏離光軸較遠的圖像質量較差。不能通過簡單二值化來很好地分割圖像,而已有的印刷電路板檢測方法都是建立在二值圖像進行分析的基礎上。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。It increases defect ’ s display definition through infrared image ’ s histogram equalization and computing maximum contrast image, amplitude image and phase image of infrared image sequences, consequently it increases the capability of defect detection
通過紅外圖像的直方圖均衡化,計算紅外圖像序列的最大對比度圖像、幅值圖像和相位圖像,提高了缺陷的顯示清晰度,從而提高了缺陷檢測的能力。The results show that 25 inch color fed sample has been fabricated in our lab can display video image and obtain its brightness about 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scales
測試結果表明,本實驗室研製的25英寸彩色fed顯示器樣機能顯示彩色vga視頻圖像,亮度達400cd / m2 ,對比度為1000 : 1 ,電路灰度等級256級。At present, 25 inch color fed sample has been fabricated with the capacity for image processing in our lab. it can display color video and obtains its brightness about 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scales
目前,本實驗室已研製成功具有圖像處理功能的25英寸彩色fed顯示器樣機。該樣機能顯示彩色vga視頻圖像,亮度達400cd / m2 、對比度為1000 : 1 ,電路灰度等級是256級,在國內處于領先水平。Compare with conventional microscope, it improved resolution and contrast of sample image. now, it has wide application in biomedicine and material production - manufacturing fields
與傳統顯微鏡相比,它具有較高的橫向、縱向解析度以及像對比度,在生命科學、材料科學等領域中具有廣泛的應用。Also shown by afm images are the regular features of crystals and ordered crystal domains for the film grown on 200 substrates, the morphologies indicate a phase transition, which is clearly confirmed by contrast between ( 0, 0 ) and ( 0, 1 ) absorption features and the bathoshift of ( 0, 0 ) absorption peak corresponding to the temperature of the substrate
Afm圖像同時顯示,在200的襯底上生長的薄膜具有規則的晶體外型和有序排列的微疇,說明存在結晶轉變。 f - ptcdi薄膜的吸收光譜的( 0 , 0 )和( 0 , 1 )性狀的強度對比與紅移程度隨襯底溫度的變化清晰地表現出150到200之間存在一個相變, dsc測試說明該轉變是從低有序到高有序度的轉變。For the application of direct broadcast satellite ( dbs ), a ku - band high image rejection broadband mixer is designed using ads. it appears predominant performances when compared with common single balanced mixer
針對衛星電視直播接收系統,用ads設計了一個寬頻帶、高鏡像抑制度、低噪聲的ku波段鏡像抑制混頻器,並同普通平衡混頻器進行了對比分析,顯示了其優越的性能。A new binary fuzzy rough sets model based on triangle modulus is discussed, and its application in image edge - detecting and noise eliminating shows better affect than classical edge - detecting operators, such as sobel, prewitt, rorbets and so on. in addition, compared with the classical mathematical morphology, a new mathematical morphologic algorithm based on rough sets not only ensures continuity of the edge, but also renders the edge thin
結合模糊集,本文還研究了模糊粗糙集模型在圖像處理中的應用,提出一種基於t模的二元模糊粗糙集模型,並將該模型應用到圖像邊緣檢測和去噪方面,取得了比sobel等經典運算元較好的效果,在一定程度上改進了經典邊緣檢測演算法對低對比度邊緣檢測不明顯的問題。( 1 ). cr : the con - strast degree can be modified to bring about the lesion focus in diag - nosid and writing terminals
Cr :可以在「影像診斷及報告書寫終端」調整圖像的對比度和黑白度,使病灶顯示的更清晰、更易被發現。Amtis and aster images were scaled up using pixel aggregation algorithm to find scaling error of surface flux estimation. the results show that the largest error appears at the interface of different coverage types, and the error show much complexity because of the discontinuity of algorithms at these boundaries. additionally, the contamination of building, highway and other ground information also add some error in the estimation of land surface e vapotranspiration
將amtis和aster圖像降低解析度后計算通量,檢驗其尺度誤差,結果表明,在不同覆蓋類型的交界處通量誤差比較明顯,由於演算法本身的不連續性,其誤差規律較為復雜,另外,道路、建築等對通量計算無用的信息也是造成大像元尺度誤差的原因之一。分享友人