line feature 中文意思是什麼
line feature
解釋
線要素-
First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment
使用最小二乘方法擬合草圖基準平面，採用二次規劃方法提取拉伸方向和旋轉軸線，然後將數據點投影以獲取草圖數據，通過柵格劃分提取草圖邊界輪廓數據，再對這些邊界數據進行基於特徵點的分割，以直線和圓弧段擬合出草圖輪廓。 -
Therefore, the method of screen spreading is presented herein with the following basic feature : taking the surface of the perpendicular line at the end of the distortion and bottom as the datum plane, move the controlling point of every distortion part to the datum plane with the principle of changeless of geometry size, and then the spreading is formed
為此提出一種屏幕展開方法，此方法的基本要點是，以扭曲面末端垂直線和底部起坡線所在的平面為基準面，將扭曲面各分塊的控制點按幾何尺寸不變的原則搬到基準面，即可形成展開圖。 -
In local vector match method, we add the line numbers and the dispersion of direction angle between the center point and near minutiae point. we also add the direction angle of the center point. these additions enhance veracity of the minutiae feature matching
在局部向量特徵匹配法中加入了中心點與鄰近特徵點的紋線數，方向角差，中心點的方向角等特徵信息，提高了特徵匹配的準確性。 -
The disquisition includes choice of algorithm, accomplish of algorithm, collection of learning sample, parameter of net, shortcoming of bp algorithm, extraction and reduction form line etc. referring to shortcoming of traditional bp algorithm, a modified learning factor with adaptation is introduced. because of every different font has robust, the way based chain coded and knaggy feature is used. a bizarre sample feature database is constructed for speeding up modified bp learning and classification
本文對人工神經網路理論進行了研究，探討了網路形式及演算法的選擇、演算法的實現、學習樣本的收集、網路參數選擇、 bp演算法缺陷、表格線提取、還原、生成及字元識別、還原生成等問題，並針對bp演算法的缺陷提出了和實現了改進型bp演算法，使網路學習效率提高，對不同人的不同字型字體有較強的魯棒性，採用了基於鏈碼特徵和凹凸分佈特徵的方法來抽取字元特徵。 -
A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given
使用分形方法提取目標的特徵，在知識指導下，提出了一種基於目標特徵模型的降維的形態學分形維數計算方法，對傳統分形方法進行了改進，從理論上推證了演算法的合理性，並對演算法進行了模擬分析；針對傳統hough變換無法獲得線段端點和長度信息的局限性，提出了一種基於目標特徵先驗知識的hough變換融合策略，通過引入目標先驗知識，可以有效地獲得直線信息；對信息多而復雜的機場目標採用基於知識的目標識別方法，使用置信度模摘要型實現不確定推理，對目標進行識別判斷，將知識貫穿于整個識別過程中，對目標進行了有效地識別。 -
Then analyze typical noises of the network based on bispectrum, get the wave characteristics according to bi - coherence function, and carry on the clustering analysis based on self - organizing feature mapping, so it realizes the clustering identification of the typical noises of medium - voltage power line
而後對電網的典型噪聲進行雙譜分析，並通過雙相干函數提取其波形特徵，利用自組織特徵映射神經網路進行類聚分析，從而對特定中壓配電網的各種電網噪聲干擾進行分類識別。 -
Promote thematic, below the main line guidance that wants the theory that constructing socialism with chinese feature and party namely, advocate all is helpful for that develop the thought of patriotism, collectivistic, socialism and drive energetically, initiate all thoughts that are helpful for reforming and opening and modernization and drive energetically, offer everything to be helpful for the thought of happiness of progress of ethical solidarity, society, people and spirit energetically, advocate everything to scramble the thought of good life and mind with honest labor energetically
弘揚主旋律，就是要在建設有中國特色社會主義的理論和黨的基本路線指導下，大力提倡一切有利於發揚愛國主義、集體主義、社會主義的思想和精神，大力倡導一切有利於改革開放和現代化建設的思想和精神，大力提供一切有利於民族團結、社會進步、人民幸福的思想和精神，大力倡導一切用老實勞動爭取美好生活的思想和精神。 -
Another key feature of this remnant is the long white line running from left to right across the center called the equatorial belt
該遺跡的另一關鍵特徵是，赤道方向有一道明亮的白色環帶，自左向右穿過穿過遺跡的中心，名為環赤道帶。 -
Feature - based image registration algorithm using invariant line moments
一種基於可操縱金字塔的魯棒圖像匹配演算法 -
In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators
本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先，介紹了國內外太陽能電池的研究現狀及應用情況；其次，運用太陽能電池基本原理討論影響電池轉換效率的因素，分析了級聯電池的伏安特性；隨后，討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念，研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程，解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題；然後總結了級聯電池的后工藝製作；最後，研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝，設計並安裝完成新型聚光太陽能電池組件。 -
The key of off - line handwritten character recognition are feature extract and classifier design
脫機手寫體字元識別的重點與難點在於字元的特徵提取與分類器的設計。 -
This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored
二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論，特別對利用空間信息進行閾值選取進行了詳細論述；在對通過對基於數學形態學的細化的基礎上，討論序貫同倫形態細化演算法和保形的快速形態細化演算法；然後依據聯機字元識別原理框圖，分析了手寫數字的結構特點，提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術，對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述；繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究，對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振（ art ）網路的字元識別分別進行了詳細討論，並引入置信度分析將多個分類器進行了混合集成；最後簡單闡述了手寫數字識別的典型應用，對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。 -
About the applications of cognitive map : line feature detection and form based on fuzzy cognitive map, basic shapes recognition based on fuzzy cognitive map, object recognition based on probabilistic fuzzy cognitive map, a new method of image understanding based on cognitive map and robot high - level planning based on fuzzy cognitive map have been realized in this dissertation
對于認知圖在圖像分析及理解中的應用：本文在認知圖理論研究的基礎上，把認知圖應用到圖像分析與圖像理解中。實現了一種基於模糊認知圖的線特徵檢測與形成方法、基於模糊認知圖的基本形狀識別方法、基於概率模糊認知圖的目標識別方法及基於認知圖的圖像理解方法，並將圖像理解與認知圖應用到機器人的高層規劃系統中。 -
Research on technique of passive sonar target recognition based on line spectrum feature extraction
基於線譜特徵提取的被動聲納目標識技術研究 -
On the aspect of data model, based on improving and extending the gdf data model, the data model of sde was put forwad. the data model can express multi - section data and semantic relations between different feature layers. it support segment attributions, so can express a segmental attribution of a line feature
在數據模型方面，在gdf數據模型的基礎上進行了改進和擴充，提出了sde的數據模型，該模型具有多圖幅數據連續性表達、能表達不同層要素之間語義關系、支持段屬性，能夠表達線要素屬性上某一段屬性、支持多媒體數據類型等優點，並對數據庫中矢量數據的存放方式作了比較實驗。 -
A multi - threshold based morphological approach for extracting coastal line feature from remote sensed images
一種基於多閾值的形態學提取遙感圖象海岸線特徵方法 -
Basing on background of urban transportation planning, the thesis presents a stdm of urban transportation and gives a special emphasis to spatiotemporal representation of point feature, line feature and area feature of transportation planning basic information, treatment of disaggregate travel data, and management of planning project
本論文以城市交通規劃為背景，對城市交通規劃時空數據模型的設計方法進行了討論，提出了一個城市交通規劃時空數據模型。論文著重對交通規劃基礎信息面狀要素、線。 。 -
Product - line feature
產品線特色決策 -
Global motion estimation using multi - line feature for image stabilization application
多直線全局運動估計及其在圖像穩定中的應用 -
12 zhang d, shu w. two novel characteristics in palmprintverification : datum point invariance and line feature matching. pattern recognition, 1999, 32 : 691 - 702
在掌紋驗證和辨識中，基於小波能量特徵的方法分別達到了99 . 24 %和99 . 45 %的精度，這些結果優于其他的掌紋識別方法。
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