橫向字元 的英文怎麼說
中文拼音 [héngxiàngzìyuán]
橫向字元
英文
horizontal character-
With the distinguishing characteristics of character " s texture ( such as horizontal lines, vertical lines, or slant lines in a character ) that can be extracted directly, the character - regions are segmented from their background quickly, and the image - noises rising during the processing period can be removed by morphological filter
首先提取字元的橫向、豎向紋理的方向信息，然後根據各自的閾值把候選字元區標識出來，用形態濾波的方法消除噪聲，最後用斜向紋理的平均斜向能量判斷是否是字元區。In the plate region of a vehicle image, the gray value varies frequently in cross - direction, so we define a parameter ". cross variance " to describe it. we also calculate other parameters to approximately locate the plate, they are the space length between two chars, the thickness of stroke, the peak and trough of gray value, the ratio of width and length, etc. at last, we exactly locate the plate by the theory of mathematical morphology
該方法根據圖像車牌區域橫向灰度值變化頻率比較大這一特徵提出了橫向方差參數，並結合車牌的字元間距、筆劃粗細、灰度峰谷值、長寬比值等特徵粗定位車牌，在車牌的精確定位中利用了數學形態學的方法。我們從某高速公路收費站實地拍攝的照片中選取了1000多幅作為實驗樣本數據。Horizontal tabulation character
橫向製表字元
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