高對比圖像 的英文怎麼說

中文拼音 [gāoduìbǐtúxiàng]
高對比圖像 英文
high contrast picture
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 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...
  • 圖 : Ⅰ名詞1 （繪畫表現出的形象; 圖畫） picture; chart; drawing; map 2 （計劃） plan; scheme; attempt 3...
  • 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...
  1. Results contrast with the unimproved or some previous models, the features of tumor microvascular networks generated from our model by simulating the angiogenesis in caecum tumor, such as vascular tortuosity, branching and anastomosis, are closer to the physiological facts and more resemble the experimental observations

    結果對盲腸腫瘤微血管網進行數值模擬，與改進前的模型和其他模型比較，本模型生成的腫瘤微血管網結構特徵，如血管的走向、扭曲、分叉與融合等，更接近生理實際，與實驗觀測圖像的相似度更高。
  2. Finally, this thesis discussed these following questions : first, the algorithm of used the error image for improving the purpose of the edge detection. secondly, we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain. thirdly, we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform

    最後，在傳統的邊緣檢測演算法和小波分析的邊緣檢測演算法之外，對以下幾個方面也進行了一些討論： 1 ）利用誤差圖像來提高邊緣檢測效果的演算法； 2 ）將求解任意方向的一階、二階方向導數的問題轉換到頻域中去求解，發現在頻域中它們具有簡單易用的公式，使得原來求解任意方向的一階、二階導數的比較困難的問題變得容易實現了。
  3. Our video post - processing algorithm can only convert several tipycal types of interlaced signals to de - interlaced signals. while the 21 types of video display formats must be achieved by video display module. in this dissertation. we provide the design method of video display module in detail based on the introduction of multiplicate video display formats. at the mean time, in order to improve image quality further, by analyzing and comparing a variety of currently popular image sealer methods. we provide a alternative way for selecting appropriate image sealer methods

    視頻后處理演算法只針對幾種典型的輸入制式進行隔行變逐行的轉換，而多達21種的視頻顯示格式主要通過視頻顯示模塊來完成，因此，本文在介紹多種視頻顯示格式的基礎上，詳細介紹了針對我們目前版本的視頻后處理晶元視頻顯示模塊的設計方法，並且為了在視頻后處理晶元的后續版本中，進一步提高視頻顯示的質量，本文對圖像插值的方法也進行了探索，通過比較和分析目前多種流行的圖像插值方法，得到了后續版本圖像插值方法選擇的方向。
  4. 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。
  5. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上，簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理，對兩種測量方法存在的問題及誤差進行詳細分析和比較；針對位相解包裹錯誤點的傳播問題，作者通過改變解包裹路徑來提高位相解包裹的正確性；分析討論從解包裹位相（ x ， y ）到再現物體的高度h （ x ， y ）物理量之間的關系，研究相應的演算法，利用matlab平臺，對實際採集的條紋圖像進行處理和輪廓重構，其中改進及創新工作主要表現在以下兩個方面： （ a ）針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響，提出了一種用條紋穩定器穩定干涉條紋，用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法，建立了相應的測量系統，系統的條紋穩定可以達到。
  6. Proposing to adaptively encode run length with 3 symbol ' s arithmetic coding in term of it ' s binary form, which can be generalize any codec using run length. hereby, bdrl is realized to form embedded bitstream

    與一些流行的性能優秀的小波編碼器相比，對于文中的一些測試圖像，在各個比特率時mcgsd的效果都是最好的，峰值信噪比（ psnr ）值都是最高的。
  7. According to the fact that the basic features of apalmprint, including principal lines, wrinkles and ridges, havedifferent resolutions, in this paper we analyze palmprints using amulti - resolution method and define a novel palmprint feature, whichcalled wavelet energy feature, based on the wavelet transform. wef can reflect the wavelet energy distribution of the principal lines, wrinkles and ridges in different directions at different resolutions scales, thus it can efficiently characterize palmprints. this paperalso analyses the discriminabilities of each level wef and, according to these discriminabilities, chooses a suitable weight for each levelto compute the weighted city block distance for recognition. theexperimental results show that the order of the discriminabilities ofeach level wef, from strong to weak, is the 4th, 3rd, 5th, 2nd and 1stlevel

    作為對現有人體生物特徵識別技術的重要補充，掌紋識別有著其獨特的優點：掌紋比指紋含有更多的可區分信息掌紋採集設備的價格比虹膜採集設備的價格要低廉得多掌紋特徵比簽名特徵更為穩定掌紋識別可獲得比人臉識別更高的識別精度掌紋含有獨特的線特徵包括主線和皺褶，這些線特徵具有很強的區分能力，並可以在低解析度圖像中提取出來可以將手掌上的各種特徵融合在一起建立一個高精度的生物識別系統等。
  8. After the temperature measurement system is scaled by the black body furnace, we use least square method and neural network to calculate the temperature respectively according to the images taken from both the black body furnace and the common coal furnace. through comparison the calculation data with the result of thermocouple, an improved method of neural network is proposed. this method is more practical and precise

    根據標定結果，本文用最小二乘和神經網路兩種方法分別對黑體爐和普通煤爐的圖像進行了溫度計算；通過比較熱電偶輸出的溫度值和計算的結果，提出了一種改進的神經網路方法，該方法更適用於工程實際，其測溫精度較高。
  9. This method provides unequal protection for spiht bet stream with different importance, and adaptively adjusts the source and channel coding rates according to the time - varying characteristic of the channel, thus yields good performance and high reliability without adding extra bandwidth. simulations in rayleigh channel show that the scheme can obviously improve the image quality compared to eep and uep scheme, especially when the channel is in bad condition

    本方法通過對spiht編碼碼流重要性的不同而進行不同程度的保護，並利用通道的時變特性自適應地調整信源和通道編碼速率，從而在不增加額外帶寬的前提下有效地提高了系統的性能和可靠性，經過計算機模擬模擬，得出了在瑞利通道中，傳輸條件惡劣的情況下，本方法比eep和uep能更好的提高重建圖像的質量。
  10. Because of the phase errors caused by aircraft ' s motion errors, accurate motion compensation should be applied to get high resolution, high contrast and low geometric distortion sar images

    因為由雷達載機運動誤差帶來的相位誤差，為了獲得高分辨力、高對比度、小幾何變形的圖像，就需要進行精確的運動補償。
  11. Afterwards, in order to decrease the contradiction between the more complex and mass remote sensing image data and relatively slow speed of information extraction, an improved sfim image fusion method is proposed. this modified algorithm is on the base of sfim fusion technique, combines ihs method and sfim method and then replaces the former mean filter by an adaptive weighted mean filter. compared with the results of several common fusion techniques through a set of simulation tests between multispectral images and panchromatic images, it is proved that the new method can get an excellent result for the aim of improving spatial resolution while preserving the spectral information of multispectral images

    論文的主要工作和成果包括：在像素層，論文研究了多傳感器數據融合理論及遙感圖像預處理的過程和步驟，歸納了多源遙感圖像像素層融合的常用演算法，並針對目前遙感數據呈海量化、復雜化這一發展趨勢同遙感信息提取的能力和效率滯后這一矛盾，在sfim演算法的基礎上，將ihs變換與sfim相結合，將原演算法中的均值濾波器改進為自適應加權均值濾波器，提出了一種改進的sfim演算法，通過對一組多光譜圖像和全色圖像的雙傳感器融合模擬對比試驗，證明了該演算法在保持原多光譜圖像光譜信息的同時，能夠有效提高融合圖像的空間分辨能力。
  12. On the basis of the authors ’ results published in this journal [ 67 ], this paper further proposed two strategies which improved both quality and speed of fractal encoding : one, a priori adding additive white gaussian noise into the image being encoded to reduce the domain blocks that are unlikely to meet the constraint on contrast scaling factors ; the other, range blocks with small standard deviations are directly approximated by the constant block ( i. e., all the

    在筆者原有結果[計算機模擬， no . 8 ， 2004 ]的基礎上，本文提出進一步提高解碼圖像質量和編碼速度的方案:一是預先在待編碼圖像中添加高斯白噪聲以進一步減少不滿足對比度因子約束的domain塊的數目;二是對小方差range塊直接用其均值塊代替以進一步加快編碼速度。
  13. 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。
  14. Conclusion dynamic picture angiography with digital subtraction using non - ionic contrast medium under rapid injection is the key for claiming the high quality imaging diagnosis of congenital heart disease in children

    結論對于兒童先天性心臟病心血管造影而言，使用動態電影攝片，作數字血管減影，採用軸位成角投照技術，使用非離子型對比劑和快速注射對比劑是取得高質量圖像和理想診斷效果的關鍵。
  15. The main works are as follows : firstly, we compare image enhancement in wavelet domain with that based on unsharp masking and indicate that there is intrinsic relation between them, namely they both enhance images by enhancing the high frequency coefficients. because after an image is decomposed in wavelet domain, every high frequency can be enhanced. however, if unshrap masking is used, only one high frequency channel is enhanced

    本文主要研究了基於小波多分辨分析的圖像去噪和增強，主要工作如下： 1將反銳化掩模與基於小波多分辨分析的圖像增強進行了對比分析，指出它們之間存在著內在的聯系，即兩者都是對與圖像邊緣細節對應的高頻實行增強，而且指出前者只不過是後者的一個特例，因為小波分解后，多級尺度多個高頻通道可得到增，而反銳化掩模僅增強了一個高頻通道。
  16. Motion compensated prediction error image has significant amplitudes mainly along the boundaries of moving objects, correspondingly its wavelet coefficients contain large energy in high frequency bands. this greatly reduces the coding efficiency of ezw. it is first provided that the correspondence between the significant amplitudes area of the mcp error image and the wavelet coefficient significant map, then encode the significant map efficiently using quadtree approach, followed by bit - plane coding the significant coefficients to produce an embedded data stream. experiment result shows that compared to ezw and zte, the proposed algorithm is more efficient and has better performance

    演算法對于運動補償余量誤差幀首先進行小波變換，並選取適當的閾值，用重要圖表示大於該閾值的重要系數。根據殘差幀小波系數的統計特性，用四叉樹方法編碼重要圖，並對重要系數作位面編碼，生成嵌入式碼流。實驗表明，與ezw ， zte等演算法相比較，該演算法編碼效率高，復現圖像質量好。
  17. Experiments on gray - level and color images show that it yields results with lower root - mean - squared errors and preserves better high - frequency details such as high contrast and sharp edges

    在灰度和彩色圖像上的實驗均表明該方法得到的結果具有更低的均方根誤差，而且更好地保持了高頻空間的細節，例如高對比度和銳利的邊緣。
  18. In the first part the wavelet analysis theory is systematically summarized in the perspective of signal analysis and digital signal processing. in succession, the excellent of the wavelet image coding techniques are introduced with the focus on the ebcot coding algorithm. at the last part, aiming at the properties of hyperspectral images, three compression schemes are presented : dct + ebcot, differential method + ebcot and predictive method + ebcot

    文中首先從信號分析和數字信號處理的角度對小波分析理論進行了系統的總結，在此基礎上介紹了基於小波的圖像編碼技術的優秀成果，重點介紹了基於小波的ebcot編碼演算法，接著，針對高光譜圖像的特徵，本文提出了以下三種壓縮方案： dct變換+ ebcot的壓縮方案、差值法+ ebcot的壓縮方案及預測法+ ebcot的壓縮方案，對三種壓縮方案進行了軟體模擬，並將模擬結果與其它壓縮方案進行了比較。
  19. Image enhancement deals with improving image quality by eliminating noise ( extraneous or missing pixels ) or by enhancing contrast

    圖像增強通過消除噪聲（外來的或丟失的點） 、提高對比度等方法來改善圖像質量。
  20. In order to gain a high accuracy, all types of error sources in digital image processing system and their influences are discussed in detail. further more, a special auxiliary light, software means and the correction of the system errors are used to improve the accuracy of digital image processing system

    此外，還詳細分析了數字圖像測量系統誤差產生的根源，並且從輔助照明、軟體演算法和系統誤差修正等多方面入手進一步提高數字圖像測量系統的測試精度，經過比較論證，提出了一套針對三軸試驗變形測量的合理高效的定標和誤差修正方案。
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