量化圖像信號 的英文怎麼說

中文拼音 [liánghuàtúxiàngxìnháo]
量化圖像信號 英文
quantized visual signal
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 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...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 量化 : quantization量化器 quantizer; digitizer; 量化失真 quantizing distortion; 量化條件 quantum conditi...
  1. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  2. ( 4 ) to record the running situation. and this software was developed by c + + under microsoft vc + + 6. 0 and is composed of 5 modules : the initial module to finish the video card and i / o card initializations ; the start - stop module to create and destroy the thread used to supervise light room and process image ; the image - capturing module to capture the image from ccd to ram ; the image processing module to get classified information through analysis ; the signal i / o module to send the signals to the outside and also to send outer information to the inside ; the system log module to record the running situation of the system and the quantity of detected eggs

    系統由5個模塊組成：初始化模塊完成圖像採集卡和數字量i o卡的初始化；啟動停止模塊建立和消亡用於監控光室狀況和進行圖像處理與分析的線程；圖像採集模塊將光室中所成的像通過ccd經由圖像採集卡採集到主機內存中；圖像處理模塊對主機內存2001碩士論文摘要中的圖像進行分析，得出所需要的分級信息;信號1 / 0模塊將得出的分級信號送出至計算機外部，同時也將計算機外部的控制反饋信息傳至計算機內部;系統日誌模塊記錄系統的啟動運行情況和當前系統檢測鴨蛋的數量。
  3. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、波動大，電源的諧波含量過高，紋波系數過大，乃至電源設備損壞、輸出異常等情況出現，將會嚴重影響視頻信號的圖像效果，大大降低防盜系統的穩定性和可靠性，我們採用快速傅利葉變換原理，即fft變換，通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換，從而得出信號中各次諧波的含量及信號畸變系數，並將其與正常工況下的參數進行對比，從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況；組成監控系統的設備長期處于工作狀態，往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫度過高，從而影響設備的正常運行，降低設備的使用壽命。
  4. The structure of circuit are highly integrated. it not only has a simple structure, but obtains a more high frequency of signal processing than the circuit based on singlechip. ( the highest working frequency of sinlechip circuit is about 12m while this system almost reach 50m ) a higher speed of signal processing ensure the system achieve a better display quality

    本系統將pld晶元設計成系統信號驅動的控制晶元，實現了電路結構的高度集成化，不僅結構簡單，而且信號處理的頻率大大高於單片機電路（普通單片機電路最高工作頻率為12m左右，而本系統控制晶元達到50m以上） ，更快速的信號處理速度保證了系統產生更優良的圖像質量。
  5. The polarimetric sar is a new type imaging radar to measure polarimetric characteristic of radiant signals and combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, which greatly improve its ability to discern surface features. polarimetric sar is thus playing a more and more important role in research on remote sensing and application area

    極化合成孔徑雷達（ polarimetricsar ）是用來測量輻射信號極化特徵的新型成像雷達，具有能夠測量場景中每個分辨單元的全極化散射矩陣和產生二維高解析度圖像的兩大優點，大大提高了它對地物的識別能力，因此在遙感技術研究與應用領域中起著越來越重要的作用。
  6. Only by mean of the resolution, can we select the signal that is the higher - ratio of signal - noise and cut off the lower ratio of signal - noise, thus the globe ratio of signal - noise is enhanced to a higher degree by the enhancement of the local ratios of signal - noise

    本人在這篇論文中，從小波基的選擇。量化方法、濾波器構成方面優化設計，尤其在小波閾值選擇上，通過把小波軟閾值的選擇與信噪比聯系起來從而增加了圖像信號的信噪比。
  7. This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges

    本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號，進而帶動電機驅動儀表指針轉動，計算機通過串口實時採集光柵測量系統的微位移信號，並且通過高精度ccd攝像機實時獲取表盤圖像數據，同時通過計算機軟體實現表盤圖像處理，包括預處理、灰度化、二值化、細化和hough變換等，最終快速識別出表盤指針的位置，並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。
  8. Then the optical path difference can be obtained with psi algorithm and to use the phase value for each pixel to determine a height value for each pixel. a primary advantage of psi is its high precision. with careful control of environmental conditions, measurement precision to the nanometer scale or below is possible with psi

    它的基本測量原理是，通過攝像系統（ ccd ）接受到的干涉圖中空間坐標已知的各個像素點的光強信號，在壓電晶體驅動參考光程有序變化時，採集到多幅干涉圖的光強信號，由移相干涉法，由光強值得到被測光程差值（位相值） 。
  9. The outputs of the camera are analog video signals, and the pixel points of the image sensor are difficult to synchronize with the acquisition card. therefore the images have low quality, and the resolution is limited

    由於攝像機的輸出已轉換成模擬視頻信號方式，且攝像頭傳感器的象素點在輸出時序上很難與採集卡的采樣點一一對應，因此視頻圖像數字化后圖像質量損失較大，圖像分辨力受到限制。
  10. Simultaneously, a new fbp criterion is presented based on the gray - lavel and contour for the image of gabor spectrogram and the relation parameter is used to make flutter boundary prediction. the functions of the method are studied by computer simulation and further examined by using several flutter testing data ( low - speed wind - tunnel, high - speed wind tunnel and flight )

    本文詳細研究了顫振信號聯合時頻譜圖的特徵，應用圖像邊緣識別方法對顫振信號時頻譜圖的輪廓、灰度進行了綜合分析，給出了一種全新的顫振余量定標量化法，依此量化值完成對顫振邊界的外推。
  11. Wavelet transform, which is a new powerful mathematical tool appeared in recent years, is regarded as the crystal work of pure mathematical field and the great breakthrough in signal - picture analysis and quantum physics, and is thought as the new trend of applied mathematics. because of its good time - frequency localization and flexible time - frequency windows, wavelet transform has been widely applied in such as signal study, picture process, quantum mechanics, radar, computer identification, earthquake exploration, so on and so forth

    小波分析是近年來出現的嶄新而有力的數學工具，由於其良好的局部化特性和彈性的時-頻窗特點，而被認為是調和分析這以純數學重要領域半個世紀以來工作之結晶，也是信號與圖像分析、量子物理等科學和工程技術近十年來在數學方法上的重大突破，從而被認為是應用數學的新趨勢。
  12. This measurement system takes the advantages of dsp ' s high performance in data processing, cmos image sensor ' s high performance with low cost and the designing flexibility of cpld. it converts measurements of lens ' s parameters into digital image processing and calculation of data got from the image by modeling to the optical system

    該系統充分利用了數字信號處理器的強大的數據處理功能和數字cmos圖像傳感器的高性能、低成本的優勢，以及可編程邏輯器件的設計靈活性，通過對光學系統建立數學模型，將對透鏡的光學參數的測量轉化為對數字圖像進行增強、變換等處理並從中提取相關信息進行計算。
  13. A simulation method is proposed to predict the motion artifacts of plasma display panels ( pdps ). the method simulates the behavior of the human vision system when perceiving moving objects. the simulation is based on the measured temporal light properties of the display for each gray level and each phosphor. both the effect of subfield arrangement and phosphor decay are involved. a novel algorithm is proposed to improve the calculation speed. the simulation model manages to predict the appearance of the motion image perceived by a human with a still image. the results are validated by a set of perceptual evaluation experiments. this rapid and accurate prediction of motion artifacts enables objective characterization of the pdp performance in this aspect

    針對目前等離子顯示屏普遍存在的運動偽像問題，提出了一種新穎的模擬計算方法，該方法實現了對等離子體顯示屏運動偽像的準確、快速估計.該方法通過測量等離子顯示屏不同顏色不同灰度下光信號隨時間的變化情況，模擬人眼對運動圖像的視覺感知行為，模擬計算出任意圖像以一定速度運動下的視覺感知效果.新演算法不但加入了等離子顯示屏熒光粉的延遲效應的影響，而且提高了模擬計算速度.所得模擬結果與實際主觀視覺感知實驗相符.這種快速準確的估計使對等離子顯示器件運動偽像的客觀評價成為可能
  14. Abstract : a simulation method is proposed to predict the motion artifacts of plasma display panels ( pdps ). the method simulates the behavior of the human vision system when perceiving moving objects. the simulation is based on the measured temporal light properties of the display for each gray level and each phosphor. both the effect of subfield arrangement and phosphor decay are involved. a novel algorithm is proposed to improve the calculation speed. the simulation model manages to predict the appearance of the motion image perceived by a human with a still image. the results are validated by a set of perceptual evaluation experiments. this rapid and accurate prediction of motion artifacts enables objective characterization of the pdp performance in this aspect

    文摘:針對目前等離子顯示屏普遍存在的運動偽像問題，提出了一種新穎的模擬計算方法，該方法實現了對等離子體顯示屏運動偽像的準確、快速估計.該方法通過測量等離子顯示屏不同顏色不同灰度下光信號隨時間的變化情況，模擬人眼對運動圖像的視覺感知行為，模擬計算出任意圖像以一定速度運動下的視覺感知效果.新演算法不但加入了等離子顯示屏熒光粉的延遲效應的影響，而且提高了模擬計算速度.所得模擬結果與實際主觀視覺感知實驗相符.這種快速準確的估計使對等離子顯示器件運動偽像的客觀評價成為可能
  15. A high - resolution method for frequency measurement is strongly introduced in the paper, which is aim at detecting the frequency of regular and binary phase coding modulated pulse signals with high frequency precision. considering the popularity of linear frequency modulated ( lfm ) signal in electronic systems, this paper then referred a radon - stft arithmetic to calculate the carry frequency of lfm signal. both of these methods referred above are implemented in the signal if detection software

    針對常規脈沖調制信號和脈內二相編碼調制信號，本文提出一種高精度的數字化測頻方法，以提高信號載頻測量精度;線性調頻信號作為一種典型的非平穩信號在各種領域應用十分廣泛，但對其載頻的數字化測量比較困難，本文利用圖像處理中的radon變換與信號時頻分析中的線性變換相結合的演算法來完成對其載頻的測量。
  16. At last, the whole system is designed and built. in response to the actual problems encountered by the use of system, it takes digital image processing methods to process the images of joint power spectra and improves the image quality of related export signals

    針對系統在實際使用時遇到的問題，本文採用數字圖像處理的方法，對採集到的聯合功率譜圖像進行數字化處理，提高了相關輸出信號的圖像質量。
  17. The binarization, dilation and thinning of interference pattern are stressed. computing the excursion of interference pattern based on fourier transform is based on the fact that interference pattern has different phase at different position, the signal extraction of interference pattern and phase unwrapping algorithm are mainly discussed. computing the excursion of the interference pattern based on the interference pattern intensity distribution is to position the fringe according to the intensity distribution characteristic

    基於圖像處理計算干涉條紋漂移量，目的是抽取干涉條紋的骨架，通過條紋骨架的定位實現對條紋的定位，重點討論了條紋圖像的二值化、膨脹和細化；基於傅里葉變換計算干涉條紋的漂移量，是基於條紋不同位置處的相位不同這一事實，重點討論了干涉條紋信號的提取和干涉條紋相位去包裹演算法；基於條紋亮度分佈計算條紋漂移量，是根據條紋自身亮度分佈的特點對條紋進行定位。
  18. The function of actuation board is to carry on the value filter and peaked processing for the numeral video signal, the enhancement quality of image displaying and save the video signal which has been processed to two groups of rams, then in accordance with the structure of led displaying screen and the characteristic of demonstration, it will read out data selectively and carry on the gradation pulse - duration modulation to give the display panel by the series monolithic integrated circuit ep1c6 of altera corporation

    驅動板的功能是利用altera公司cyclone系列單片機ep1c6 ，對數字視頻信號進行中值濾波和銳化處理，增強圖像的顯示質量，並將處理后的視頻信號存儲到兩組ram中，再按照led大屏幕的結構和顯示特點，有選擇的將數據讀出，並進行灰度脈寬調制輸出到顯示板。
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