Using square error function and the barycenter algorithm of light intensity as the merit function of focusing and alignment respectively , the system analyzed the images captured by charge coupled device ( ccd ) in the projection screen to produce feedback signals 該系統(tǒng)運用數(shù)字圖像處理技術(shù),以方差函數(shù)和光強重心算法分別作為清晰度調(diào)節(jié)和三色和色調(diào)節(jié)的評價函數(shù),分析電荷藕合器件( ccd )采集的局部圖像,產(chǎn)生反饋信號。
The thesis discusses the construction and design of the equipment . the design refer a lot of related advanced technology of multimedia and measurement . it also studies the related principle and function of pickup , disc character , charge coupled device ( ccd ) , image single capture , conversion process 在設(shè)計過程中,充分借鑒國內(nèi)外多媒體技術(shù)和檢測技術(shù)領(lǐng)域的先進技術(shù),對涉及到的光頭的工作原理、功能及光盤特性、 ccd光電處理、計算機圖像信號的采集與轉(zhuǎn)換原理等內(nèi)容進行了研究。
Charge coupled devices ( ccd ) is a photoelectric device with high performance , which is widely applied in many areas , including astronomical imaging , entertainment and manufacturing , etc . the geometrical measure with ccd has an advantage on achieving high accuracy , dynamic detection and non - contact measurement 電荷耦合器件( ccd )是一種高性能的半導(dǎo)體光電器件,近年來在天文攝像、消費電子、工業(yè)檢測等領(lǐng)域里得到了廣泛的應(yīng)用。將ccd技術(shù)應(yīng)用于幾何量測量可以實現(xiàn)高精度、在線動態(tài)檢測和非接觸測量等要求。
Digital holography is a new imaging technique that uses a charge coupled device ( ccd ) camera for hologram recording and a numerical method for hologram reconstruction . this paper presents the concept and underlying theory for digital holography and its applications in 3 - d object reconstruction and optical metrology 數(shù)字全息術(shù)以ccd等光電探測器件記錄全息圖,用數(shù)值方法再現(xiàn)全息圖,它是綜合光學(xué)全息原理和計算機技術(shù)、電子技術(shù)以及數(shù)字圖像處理技術(shù)發(fā)展起來的一種新型全息成像技術(shù)。
In this paper , a kind of calibration technology for indicating instruments which based on the machine vision method is dissertate . using the charge coupled device ( ccd ) , and image process as well as image identify technology to achieve the aim that calibrating the indicating instruments automaticly 如何解決上述問題已越來越引起計量檢測部門的關(guān)心,本文論述了基于機器視覺方法的指示儀表檢測技術(shù),以ccd攝像機為基礎(chǔ),通過圖像處理和圖像識別技術(shù)進行指示儀表的自動校準(zhǔn)。
Abstract : thermochromic liquid crystal infrared imaging system includes a thermochromic liquid crystal infrared sensor , a chopper , controller , a light source , lens , liquid crystal phase plate , optical system , a charge coupled device ( ccd ) array , and microprocessor . the operation and performance of the thermochromic liquid crystal infrared imaging system are described 文摘:紅外攝像系統(tǒng)包括熱色液晶紅外傳感器、斬波器、控制器、光源、透鏡、液晶相位推移器、微處理器、光學(xué)系統(tǒng)、 ccd陣列等,描述了熱色液晶紅外攝像系統(tǒng)的工作原理和特性。