本文選題：車內(nèi)攝像機(jī) + 車外攝像機(jī)��； 參考：《北京理工大學(xué)》2015年碩士論文

【摘要】：開車時(shí)打電話會(huì)嚴(yán)重干擾駕駛員的注意力,使得發(fā)生車禍的風(fēng)險(xiǎn)比正常駕駛時(shí)高4倍以上。目前,對(duì)于駕駛員行車途中打電話行為檢測(cè)的研究還比較少,主要集中在基于手機(jī)信號(hào)進(jìn)行檢測(cè)。由于很難分辨是駕駛員在打電話還是乘客在打電話,基于手機(jī)信號(hào)的方式會(huì)有很多誤檢。因此,本文研究了基于機(jī)器視覺的駕駛員打電話行為的檢測(cè),提出了兩種應(yīng)用于不同場(chǎng)景的駕駛員打電話行為檢測(cè)方法,即基于車內(nèi)攝像頭的駕駛員打電話檢測(cè)方法與基于車外攝像頭的駕駛員打電話行為檢測(cè)方法。基于車內(nèi)攝像頭的駕駛員打電話行為檢測(cè)方法,利用安裝在車內(nèi)擋風(fēng)玻璃上的攝像頭采集駕駛員的視頻數(shù)據(jù),基于視頻數(shù)據(jù)進(jìn)行打電話行為檢測(cè)。將駕駛員打電話行為分解為一系列滿足一定時(shí)序關(guān)系的原子動(dòng)作,使用與或圖來建模打電話行為的層次結(jié)構(gòu)以及原子動(dòng)作之間的時(shí)序關(guān)系,通過統(tǒng)計(jì)解析的方法在駕駛員的視頻中檢測(cè)打電話行為。這種方法可以適用于安裝在公共運(yùn)輸車輛(如公交車、長(zhǎng)途客運(yùn)車、出租車等)內(nèi),對(duì)駕駛員打電話行為進(jìn)行監(jiān)控,提高行車安全。基于車外攝像頭的駕駛員打電話行為檢測(cè)方法,利用安裝在車外,如天橋、燈桿等位置的攝像頭采集駕駛員的圖像數(shù)據(jù),基于圖像數(shù)據(jù)進(jìn)行打電話行為的檢測(cè)。通過檢測(cè)駕駛員的行車姿勢(shì)和手部狀態(tài)(手部位于頭部中下部及手部姿態(tài)為抓握狀)共同判斷駕駛員的打電話行為。這種方法可用于交通部門對(duì)于駕駛員行車途中打電話這一違規(guī)行為進(jìn)行取證,作為處罰依據(jù)。我們建立了駕駛員打電話行為的視頻和圖像數(shù)據(jù)集,通過所提出的方法進(jìn)行駕駛員打電話行為檢測(cè)。實(shí)驗(yàn)結(jié)果表明所提出的方法可以取得較高的檢測(cè)率和較低的誤檢率,對(duì)不同的光照條件和背景變化具有較高的魯棒性。
[Abstract]:Calling a phone while driving can seriously disrupt the driver's attention, making the risk of an accident more than four times higher than that of a normal driver. At present, there are few researches on the detection of driver's calling behavior while driving, mainly focused on mobile phone signal detection. Because it is difficult to tell whether the driver is on the phone or the passenger is on the phone, there are many false detections based on the cell phone signal. Therefore, this paper studies the detection of driver's telephone behavior based on machine vision, and puts forward two detection methods of driver's calling behavior, which are applied to different scenarios. The detection method is based on the inside camera and the outside camera. The detection method of driver's calling behavior is based on the camera inside the vehicle. The video data of the driver is collected by using the camera installed on the windshield of the vehicle, and the telephone calling behavior is detected based on the video data. The behavior of driver's telephone call is decomposed into a series of atomic actions which satisfy a certain temporal relation. The hierarchical structure of the behavior and the temporal relationship between the atomic actions are modeled by using the and or graph. The behavior of telephone call is detected in the video of driver by statistical analysis method. This method can be used in public transport vehicles (such as buses, long-distance passenger cars, taxis, etc.) to monitor the behavior of drivers making telephone calls and improve the safety of driving. The detection method of the driver's calling behavior based on the outside camera, using the camera installed outside the vehicle, such as flyover, lamp pole and so on, collects the driver's image data, and detects the telephone call behavior based on the image data. The driving posture and the hand state (the hand is located in the middle and lower part of the head and the hand posture is gripping) were detected to judge the driver's telephone making behavior. This method can be used to collect evidence for the violation of the driver's phone call while driving, as a basis for punishment. The video and image data sets of the driver's telephone call behavior are established, and the proposed method is used to detect the driver's telephone calling behavior. The experimental results show that the proposed method can achieve higher detection rate and lower false detection rate, and is robust to different illumination conditions and background changes.
【學(xué)位授予單位】：北京理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：U463.6;U495;TP391.41

【參考文獻(xiàn)】

相關(guān)期刊論文 前1條

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本文編號(hào)：1814852