Around View for Driver Assistance System

碩士 === 國立臺灣科技大學 === 電機工程系 === 104 === The main objective of this thesis is to create an around view for drivers in automatic driver assistance system. We transform the four around images into bird's eye images and stitch them together. Eventually, we can get the stitched bird's eye...

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Main Authors: Wei-Han Lin, 林威漢
Other Authors: Nai-Jian Wang
Format: Others
Language:zh-TW
Published: 2016
Online Access:http://ndltd.ncl.edu.tw/handle/t4nsy6
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spelling ndltd-TW-104NTUS54420592019-10-05T03:47:06Z http://ndltd.ncl.edu.tw/handle/t4nsy6 Around View for Driver Assistance System 環繞影像駕駛輔助系統 Wei-Han Lin 林威漢 碩士 國立臺灣科技大學 電機工程系 104 The main objective of this thesis is to create an around view for drivers in automatic driver assistance system. We transform the four around images into bird's eye images and stitch them together. Eventually, we can get the stitched bird's eye images surround our vehicle. Furthermore, drivers can be informed by this image where the obstructions or the pedestrians are. This system can also increase safety driving on road. This thesis is divided into three parts. The first part is bird's eye image transformation. We transform images into bird's eye images because the top view is widest view which is used to observe the obstacles around the vehicle. The second part is the image matching. In this section, we have to find out the feature points which may be corners or some obvious points on the images. We use Harris Corner detector to find out the feature points on the images. After finding out these feature points, we use the gradient vector to represent these feature points. Then, we use these gradient vectors to match images and use RANSAC algorithm to filter out the mismatches. The third part is the bird's eye image stitching. In this section, we use the results of the second part to calculate the image stitching matrix. Finally, we stitch four direction bird's-eye image to complete the surround bird's eye image. To achieve Around View for Driver Assistance System, we use four cameras with 640 × 480 images and show the bird's eye image on the screen. Experimental results show that our system can reach 28 FPS. Nai-Jian Wang 王乃堅 2016 學位論文 ; thesis 65 zh-TW
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language zh-TW
format Others
sources NDLTD
description 碩士 === 國立臺灣科技大學 === 電機工程系 === 104 === The main objective of this thesis is to create an around view for drivers in automatic driver assistance system. We transform the four around images into bird's eye images and stitch them together. Eventually, we can get the stitched bird's eye images surround our vehicle. Furthermore, drivers can be informed by this image where the obstructions or the pedestrians are. This system can also increase safety driving on road. This thesis is divided into three parts. The first part is bird's eye image transformation. We transform images into bird's eye images because the top view is widest view which is used to observe the obstacles around the vehicle. The second part is the image matching. In this section, we have to find out the feature points which may be corners or some obvious points on the images. We use Harris Corner detector to find out the feature points on the images. After finding out these feature points, we use the gradient vector to represent these feature points. Then, we use these gradient vectors to match images and use RANSAC algorithm to filter out the mismatches. The third part is the bird's eye image stitching. In this section, we use the results of the second part to calculate the image stitching matrix. Finally, we stitch four direction bird's-eye image to complete the surround bird's eye image. To achieve Around View for Driver Assistance System, we use four cameras with 640 × 480 images and show the bird's eye image on the screen. Experimental results show that our system can reach 28 FPS.
author2 Nai-Jian Wang
author_facet Nai-Jian Wang
Wei-Han Lin
林威漢
author Wei-Han Lin
林威漢
spellingShingle Wei-Han Lin
林威漢
Around View for Driver Assistance System
author_sort Wei-Han Lin
title Around View for Driver Assistance System
title_short Around View for Driver Assistance System
title_full Around View for Driver Assistance System
title_fullStr Around View for Driver Assistance System
title_full_unstemmed Around View for Driver Assistance System
title_sort around view for driver assistance system
publishDate 2016
url http://ndltd.ncl.edu.tw/handle/t4nsy6
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AT weihanlin huánràoyǐngxiàngjiàshǐfǔzhùxìtǒng
AT línwēihàn huánràoyǐngxiàngjiàshǐfǔzhùxìtǒng
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