otsu 中文意思是什麼
otsu
解釋
大角榮-
Median filtering is chosen to modify the fuzzy edge by using the smoothing arithmetic, sobel operator is used to detect edge because of its filtering characteristic. image is changed from gray - scale to two - valued according to the threshold which is automaticly selected by otsu
選用中值濾波減小平滑演算法導致的邊緣模糊;利用有濾波特性的sobel運算元進行邊緣檢測;使用最大類間方差自動確定閾值，將灰度圖像轉化為二值圖像。 -
18 otsu n. a threshold selection method from gray - level histogram. ieee transaction systems, man cybernetics, 1979, 9 : 62 - 66
識別器為三個分類器的并行組合，包括神經網路k近鄰分類器和基於模糊的k近鄰分類器。 -
An improved otsu method for image segmentation
基於灰度梯度映射函數的紅外圖像分割 -
The integral structure of system are analyzed, and a scheme based on dsps processing board + mcu control board are put forward firstly, following design difficulties and relevant measures. every modules of dsps board are described in details, including chips selection, implementation manners choice, interface and time sequence match and etc. compared otsu single threshold segmentation with multi - threshold segmentations, the latter are preferred to perform the object identification in hardware designed by author. combined to like background rejection, morphology expansion and etc. steps, the paper gets the length of queue ; finally, a - b united control and area united control based on can bus are designed
首先分析了系統的總體結構，提出了一種基於dsps處理板+單片機控制板的信號機實現方案；在此基礎上，重點介紹了處理板模塊化的硬體電路設計，其中考慮了晶元的選型、實現方式的選擇、工作機制、時序匹配等問題；之後，分析了otsu單閾值目標識別和多閾值目標識別的效果，重點選擇後者在硬體電路板內對圖像進行了目標識別的演算法處理，結合背景的剔除、形態學膨脹等幾個減小誤差的措施，對車輛排隊長度進行了較為精確的提取；最後在控制板上完成了干線a - b信號聯動控制和基於can總線的區域聯網控制的通訊方案設計。 -
It is known that if there is defection on the glass - shell, it must be identified exactly. in order to extract the defect, some image segmentation methods are studied, such as differential histogram method, otsu method, and histogram method
為了將氣泡及劃痕等缺陷從圖象中分割出來，本文研究了玻殼圖象的分割方法，包括微分直方圖法、 otsu法、直方圖法，最終選用微分直方圖法來分割圖象。 -
In research of forest fire auto - recognition, the paper discusses digital image processing with wavelet theory and nn. image de - noise processes in wavelet domain by wavelet transform and automatically segments by otsu method, wsa and kohonen nns
森林火災圖像經小波分解后，在小波域中予以去噪預處理，並藉助閾值化圖像分割技術、 wsa與kohonen神經元網路自動分割圖像。 -
Extended optimal otsu thresholding method of image segmention
最優閾值圖像分割的實現方法 -
Experimental results show that i - casda obtains better results than n. otsu and casda, consuming time less than 0. 01 second. in the module of character recognition, based on the step of feature extracting cascading classifier - based and svm - based character recognition methods are proposed
實驗結果表明，應用該演算法對一幅牌照圖象進行二值化處理，消耗時間在0 . 01秒以下，優于n . otsu演算法和casda演算法。 -
Via refer to literature and theory study, three methods, namely ent, otsu, and iteration method are putted forward to calculate void fraction and via lots of experiment, three methods are compared and induced. in the end, otsu is recommend which it has satisfactory precision and speed
經過大量的圖像分割實驗，對各種分割方法的分割效果和適用條件進行了比較和歸納，以計算精度和計算速度作為比較標準，作者認為類間方差法是計算閾值的最佳方法。 -
In this paper, the strategy of combining the information of gray level and spatial position is adopted to achieve non - texture image segmentation, and two novel approaches are presented. the first approach is a generalization of otsu algorithm
本文使用將灰度信息和空間位置信息相結合的策略來實現非紋理圖像分割，提出了一種結合空間信息的閾值化演算法，和一種針對sar圖像的與區域生長相結合的模糊域分割演算法。
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