pointer processing 中文意思是什麼
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In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer
本系統由計算機控制步進電動機的運動，進而驅動指針式儀表表針的運動，並且通過高精度ccd攝像機實時獲取表盤圖像數據，同時進行表盤圖像的相關處理，包括圖像分割，閾值確定，圖像二值化，區域標記演算法，圓心擬合，有效區域識別提取，區域細化等，最終快速識別出表盤指針所處位置;最後，根據國家指針式儀表類檢定規程所制定的演算法計算出該儀表的相關誤差，檢定指針式儀表的各種精度，通過這些數據判斷該儀表是否合格，列印該儀表的檢定結果報表。 -
The computer acquires the image of dial gauge by high precision ccd video, after that the computer will process the dial gauge image by some image - processing algorithms such as image segmentations, edge searching, area segmentations and locating the pointer by the " circle ". at last the computer will recognise the dial pointer position and work out the precision of dial gauge in accordance with nation criterion of dial gauge. this study presents several optimum algorithms to realize quick recognition of the pointer and calibration lines of detected dial and improve the accuracy and real time quality of detecting
本系統由計算機控制步進電動機的運動，進而驅動指示表表針的運動，通過高精度ccd攝像機實時獲取表盤圖像數據，同時進行表盤圖像的相關處理，包括閾值分割、邊緣檢測、圖像銳化以及區域分割和定心圓檢測等，最終快速識別出表盤指針所處位置，最後根據國家指示表類檢定規程所制定的演算法檢定出指示表的各種精度，本系統所採用的圖像處理演算法運算量少，速度快，從而大大提高了系統的實時性。 -
This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges
本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號，進而帶動電機驅動儀表指針轉動，計算機通過串口實時採集光柵測量系統的微位移信號，並且通過高精度ccd攝像機實時獲取表盤圖像數據，同時通過計算機軟體實現表盤圖像處理，包括預處理、灰度化、二值化、細化和hough變換等，最終快速識別出表盤指針的位置，並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。 -
In word processing, a feature which causes the typing position or display pointer to be moved to the corresponding character position of the following typing line
在字（詞）處理技術中，能使列印位置或顯示指針移到下一列印行的相應字元位置的一種特性。 -
The arithmetic of pointer image processing and the three feasible scheme of pointer image recognition are studied : region, pointer research and alert region pointer search
研究了指針圖像處理的演算法和圖像識別的三種可用的方案：區域法、指針查找法和告警區域指針查找法。 -
It is spreaded from the principle and characteristic of meter, combining with the image essential processing methods, pick - up red area by using color character of meter ’ s pointer
本文從水表結構的原理和特性出發，結合圖象處理的基本方法，利用水表指針的彩色特徵提取紅色區域。 -
In word processing, to move the paper or display pointer in the direction used during normal printout
在字（詞）處理技術中，正常印出時在印出方向上移動紙或顯示指針。 -
An auto - detecting method of the gauge with pointer that is based on digital image processing technique, high precision grating technique and step motor control technique is presented. there are advantages of high precision, high efficiency and auto - detecting for apply digital image processing technique to detect precision of the gauge with pointer ; moreover, it ’ s helpful to improve system ’ s resolution when high precision grating technique is applied to measure micro displacement ; also it makes system more automatic to control step motor in computer via step motor control card
本文研究的指針式儀表的自動檢定方法是基於數字圖像處理技術、精密光柵測量技術以及步進電機控制技術的，將數字圖像處理技術用於指針式儀表的檢定，具有精度高、效率高、易於實現自動測量等優點;另外，將精密光柵測量技術用來測微位移，有利於提高系統的解析度;還有，通過步進電機控制卡來實現在計算機上對步進電機的控制，提高了系統的自動化程度。 -
A callback is a pointer to a function, so if you want a processing function to notify you about some event you pass a pointer to another function ( the callback ) to the processing function
回調是一個指向函數的指針，所以如果你希望一個處理函數通知你某些事件發生了，你可以傳遞一個指向其他函數的指針（回調）給處理函數。
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