thresholding 中文意思是什麼
thresholding
解釋
二值化-
With the exemption of simple techniques like thresholding, segmentation algorithms require the examination of each point in comparison to its neighbours.
與取閾值的簡單方法不同，分割演算法需要把每點與其近鄰作一一比較。 -
The key fruits is as follows : 1 in the image - preprocessing, the optimal edge - extraction algorithm was used to increase the correlation s / n and auto - thresholding technique was introduced to decrease the affection of illumination distortion on the recognition possibility, and the bottle - neck of image - preprocessing was delivered to the dsp which is on the genesis card instead of cpu
論文的重點內容如下： 1 、在預處理圖像中，優選了邊緣檢測演算法，並引入自動門限，還將預處理的速度瓶頸交給了圖像卡上的dsp ，這樣不僅提高了s n ，而且也提高了對不同光強的適應能力，還防止了速度瓶頸、減輕了cpu的負擔。 -
That is, using a soft thresholding to remove noise components from the wavelet coefficients of the voiced and unvoiced speech in noisy speech respectively in a different way, which is not only removing noise but also is preventing the quality degradation of the unvoiced sounds and enhancing the signal - noise ratio
該方法採用軟限幅函數對濁音和清音信號的小波變換系數作不同的閾值處理，既抑制了噪聲，又減少了語音段信息的損失，提高了信噪比。 -
Image thresholding method based on divergence of itakura - saito
散度的圖像閾值法 -
The whole procedure includes : scanning and inputn image - suite, image correction image thresholding, image thinning and so on, in the course of studying, found the disadvantage of existing automatic image - suite way on the scanned topographical map
在研究圖像拼接的過程中，發現現有的自動拼接方法在地形圖掃描圖像拼接時的缺點，基於此提出了一種改進的適用於地形圖掃描圖像的自動拼接理論。 -
According to the time variation and feature extraction difficulty of rotating machinery vibration signals, the rule of choosing wavelet basis function and wavelet denoising soft - thresholding value is proposed after making further research on wavelet transform technique, using for denoising rotating machinery vibration signals the conception of " energy " is proposed, based on the theory that signals energy in all frequency can be affected by faults deeply, to construct feature vectors of rotating machinery vibration signals which can give a convenient disposal way to fault feature extraction and fault intellectual diagnosis
針對旋轉機械振動信號的非平穩性及特徵難以提取的特點，通過對小波變換技術的進一步研究，提出旋轉機械振動信號處理的小波基函數選擇原則及小波包消噪的軟閥值原則。利用小波包變換對旋轉機械振動信號進行消噪處理和特徵提取。並以「能量」為元素，構造旋轉機械振動信號的特徵向量，從而為旋轉機械振動信號的故障特徵提取以及后續的故障智能診斷提供了一種便捷的處理方法。 -
The characteristic parameters of effective debris in a ferrograph have been calculated in the present thesis, like area, perimeter, aspect ratio and granularity, in which some methods have been adopted such as smoothing, filtering and thresholding and so on, according to tribological theories and computer technologies and digital image preprocessing
本論文基於摩擦學原理和計算機技術，通過對鐵譜片進行數字化圖像預處理，採用對譜片圖像的平滑、濾波以及閾值二值分割等方法，計算出譜片中特徵磨粒的一些特徵參量，如面積、周長、粒度以及縱橫比等。 -
To the question of the low computational efficiency, low computational speed, low stability and unsatisfactory calculation result of the traditional method to get the optimal thresholds, a new multi - dimension thresholding method based on dga ( dissipative genetic algorithm ) that has higher capability and speed of optimization is developed
模擬結果表明採用耗散結構遺傳演算法進行優化可使圖像處理時間和計算量大大減少，而處理精度並沒有受到影響，且有效避免了遺傳演算法過早陷於局部最優的不足，增強了演算法的穩健性。 -
Model based adaptive thresholding algorithm
一種基於模型的自適應閾值分割演算法 -
De - noising method based on adaptive wavelet thresholding
基於小波自適應閾值的圖像去噪方法 -
An adaptive thresholding image denoising algorithm based on ridgelet transform
基於脊波變換的自適應閾值圖像去噪演算法 -
The study shows that with the method offered the useful information reflecting the condition of the reciprocating pump can be effectively extracted from the highly noised signal by soft - thresholding de - noising method at the power end of the reciprocating pump
通過對振動信號的波形特徵提取表明，該方法能在很高的背景噪聲下有效提取反映往復泵狀態的有用信息。 -
Phase - based optimal image thresholding can deal with poor contrast, high noise to signal ratio, complex patterns, and variable modalities in the gray - scale histograms, and it can obtain very good result
該方法能夠很好的處理低對比度，高信噪比，內容復雜以及多種形狀的灰度直方圖的圖像。 -
The techniques include thresholding, matching, feature extraction, and finally identification of seal images. seal verification by human visual inspection is a serious bottleneck of office automation in oriental countries. in this paper, we propose a new scheme for automatic seal imprint verification using neural network
本文提出的利用神經網路實現印鑒自動鑒別的研究方法，旨在對印鑒圖像進行分割和配準的基礎上，提取其矩描述子和投影矩運算元特徵，然後利用改進的bp神經網路進行訓練和識別。 -
De - noisding by soft - thresholding is a new signal detection method in wavelet analysis
摘要採用浮動閥值分離噪聲是小波分析中一個新的信號檢測方法。 -
The thresholding of betterment gray scale histogram is a method that improve on the traditional thresholding of gray scale histogram, which result is very well
其中改進的灰度直方圖法就是在傳統的灰度直方圖法基礎上改進的演算法，效果較好。 -
Detailed introducing image enhancement, edge detection, thresholding, thinning etc. and many arithmetic such as median filter, sobel arithmetic operator, betterment gray scale histogram etc. applied or betterment applied it to the graduating project
圖像增強、邊緣檢測、圖像二值化、圖像細化等，演算法如中值濾波、邊緣檢測運算元，改進的灰度直方圖法、骨架抽取做了重要探討，並應用或改進應用於本人的設計中。 -
Different threshold selections and thresholding methods are discussed. the new robust local threshold scheme is proposed
討論了幾種閾值選取方法和閾值策略，並提出了一種魯棒局部閾值去噪法。 -
Four families of mother wavelets, four threshold selection rules and three threshold rescaling methods are tested in a series of experiments to estimate the functioning of those wavelets and thresholding parameters
然後對實驗數據進行了去噪處理實驗。以評價各種小波函數和閾值選取方法的優劣。 -
The two difficulty, one is which mother wavelet and decomposition scale can get best de - nosing effect in practical application, another important problem is threshold selection, which may be occurred in wavelet thresholding, is completely and deeply discussed
並針對閾值去噪法中會遇到的小波基及分解層數的選取和閾值的合理選取兩個難點，我們進行了系統深入的討論。
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