Application of the smoothing filtering technology in enhancing tv image quality 平滑濾波技術(shù)在增強(qiáng)視頻圖像中的應(yīng)用
This paper finish the following works : 1 . first , estimate the iris quality and smooth filter the image 本論文主要完成了以下工作: 1 .首先對(duì)虹膜圖像的進(jìn)行質(zhì)量評(píng)價(jià)和平滑濾波。
The cubic b - spline smoothing filter operator to perform multi - scale filtering was designed using the characteristics of wavelet transform 摘要利用小波變換的特點(diǎn),設(shè)計(jì)了3次b樣條平滑濾波算子。
In the project we process the data with the methods of smooth filter , boundary division technique and fisher linear sorting method 算法上采用了平滑濾波技術(shù),邊界分割技術(shù)和交遇區(qū)方法設(shè)計(jì)fisher線性分類器。
Based on the combination of the adjacent diffusion method and the selective smoothing filter , a new anisotropic diffusion algorithm for image enlargement is proposed , which is called as the adjacent diffusion and selective smoothing algorithm ( adass ) 摘要提出了一種新型的各向異性擴(kuò)散圖像放大的鄰域擴(kuò)散選擇平滑法( adass ) ,將鄰域擴(kuò)散法與選擇平滑濾波器相結(jié)合,降低了算法的復(fù)雜度,并提高了圖像的放大質(zhì)量。
Hi designing the edge detection algorithm , the multi - scales character of the wavelet change and the character of the b - spline function as a best smoothing filter are combined . based on the scheme of local modulus maxima , a b - spline wavelet function is designed to detect the edge points 在邊緣檢測(cè)算法中,我們結(jié)合了子波分析的多尺度特性和b -樣條函數(shù)最優(yōu)平滑濾波器的特性,采用模極大值和b -樣條子波進(jìn)行邊緣檢測(cè)。
Besides , we use software smooth filtering to minish the influence of white noise and high - frequency noise , ground connection and shield technology to eliminate electromagnetic interference , and rational circuit distribution to attain high signal - to - noise of the whole fiber optic weak magnetic sensor system 另外,采用軟件平滑濾波等處理以減小白噪聲和高頻噪聲的影響,利用接地及屏蔽技術(shù)消除外界的電磁干擾,并對(duì)電路進(jìn)行合理布局布線,以獲得高信噪比的光纖微弱磁場(chǎng)傳感器系統(tǒng)。
Thereof , the paper probes into directional smoothing filter method to implement binarization , which deduced noise of binary image , and an improved image template thinning algorithm is proposed in the paper against the deficiency of a classical image thinning algorithm , which is effective thinning algorithm acquiring satisfying thinning image 二值化算法采用了方向平滑的思想,降低了二值化圖像的噪聲。針對(duì)一種經(jīng)典細(xì)化算法的不足,本文提出了一種改進(jìn)的指紋圖像模板細(xì)化算法,經(jīng)實(shí)驗(yàn)驗(yàn)證能獲得較好的細(xì)化圖像。
Abstract : the digital pid control equation in microcomputer - based control systems is introduced . the effects of the technologies of digital smooth filtering , first order recurrence filtering and dynamic compensation for improving the control features and enhancing the control accuracy are emphasized . the results of simulation test are illustrated 文摘:介紹了微機(jī)控制系統(tǒng)中的數(shù)字pid控制算式,重點(diǎn)分析了數(shù)字平滑濾波、一階遞推濾波和動(dòng)態(tài)補(bǔ)償技術(shù)在改善控制性能、提高控制精度中的作用,給出了仿真實(shí)驗(yàn)的結(jié)果圖。
Based on iec standards , the methods of designing square demodulator , bandpass - weighted filter , and smoothing filter are presented . besides , the signal conditioning circuits and online statistical analysis methods of instantaneous flicker value are given . matlab simulink is also used to simulate the measuring process of voltage fluctuation and flcker 基于iec標(biāo)準(zhǔn)要求,設(shè)計(jì)了實(shí)現(xiàn)數(shù)字式電壓閃變測(cè)量的平方解調(diào)器、帶通加權(quán)濾波器、平滑濾波器等各環(huán)節(jié),給出了信號(hào)調(diào)理電路和瞬時(shí)閃變值在線統(tǒng)計(jì)分析方法,并應(yīng)用matlab系統(tǒng)仿真工具simulink對(duì)電壓波動(dòng)和閃變測(cè)量全過程進(jìn)行了數(shù)字化仿真。