嵌入式攝影機的軟硬體協同開發平台

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姓名

劉冠伶(Kuan-Ling Liu) 查詢紙本館藏

畢業系所

資訊工程學系

論文名稱

嵌入式攝影機的軟硬體協同開發平台
(Hardware/Software Collaborative Development Platform of Embedded Camera)

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摘要(中)

隨著機器視覺的進步，逐漸以機器取代人眼進行視覺檢測等應用，然而開發一嵌入式視覺應用過程複雜、耗時，且仰賴開發人員的技術能力，需耗費大量開發成本。本研究提出一個嵌入式攝影機的軟硬體協同開發平台，於微控制器中實作嵌入式影像處理中介軟體與Grafcet虛擬機器，於FPGA中實作取像與影像處理硬體加速器，兩者形成軟硬體協同處理器。最後結合PC端Grafcet圖形開發和驗證軟體，形成一個可開發嵌入式視覺應用的軟硬體協同開發平台。此開發平台中最為核心的模組為嵌入式影像處理中介軟體，其具有多種影像處理、分析方法，協助使用者開發視覺應用，且為Non-OS系統，使用的記憶體資源少、可移植性高。最後，以兩個嵌入式視覺應用開發案例，驗證本研究設計之嵌入式攝影機軟硬體開發平台，於開發視覺應用上具有快速開發且減少開發複雜度的優點，並且開發的視覺應用可獨立運作於嵌入式裝置中。

摘要(英)

As machine vision advances, machines have gradually replaced human vision for visual inspection and other applications. However, developing an embedded visual application is complicated and time-consuming, and heavily dependent on professional capacity. This paper proposed a hardware/software collaborative development platform of embedded camera. This development platform includes hardware/software collaborative processor which is composed of microcontroller and FPGA, and PC software. This paper implements embedded image processing middleware and Grafcet virtual machine on microcontroller, and implements image capture and image processing hardware accelerator on FPGA. Then, we design a PC software which contains two function: development using Grafcet description language and verification of user design. In this paper, the core of development platform is embedded image processing middleware. This middleware includes many methods of image processing and image analysis to helps user develop vision applications. Moreover, the middleware is Non-OS system and thus it has the advantages of less memory usage and high portability. Finally, we verify this development platform through the two experiments of embedded vision application development. The result shows that the development platform features rapid development of vision applications and reduces complexity of development. Additionally, developing vision application can run independently on embedded devices.

關鍵字(中)

★ 嵌入式攝影機
★ FPGA
★ 微控制器
★ 軟硬體協同
★ 開發平台
★ 嵌入式
★ 攝影機
★ 中介軟體

關鍵字(英)

★ embedded camera
★ FPGA
★ microcontroller
★ hardware/doftware vollaborative
★ development platform
★ embedded
★ camera
★ middleware
★ Grafcet

論文目次

目錄
摘要 i
Abstract ii
誌謝 iii
目錄 iv
圖目錄 vii
表目錄 x
第一章、緒論 1
1.1研究背景 1
1.2研究目的 3
1.3論文架構 3
第二章、嵌入式視覺系統 4
2.1影像處理中介軟體 4
2.2嵌入式視覺軟硬體設計 5
2.3嵌入式攝影機軟硬體協同開發平台 10
第三章、嵌入式影像處理中介軟體設計 12
3.1 MEIPM設計 12
3.2影像二值化 14
3.3影像平滑化 17
3.4邊緣偵測 19
3.5細線化 23
3.6 BLOB分析 26
3.7紋理分析 29
第四章、視覺檢測系統 34
4.1嵌入式系統設計方法論 34
4.1.1 IDEF0 35
4.1.2 Grafcet 36
4.2視覺檢測系統架構設計 38
4.3離散事件建模 40
4.3.1 Grafcet虛擬機器 42
4.3.2取像控制與硬體加速 43
4.4軟硬體整合 48
4.5視覺應用開發案例 51
第五章、開發平台實作與驗證 53
5.1軟硬體開發環境 53
5.2視覺檢測系統功能驗證 55
5.2.1影像處理中介軟體模組功能驗證 55
5.2.2硬體模組驗證與軟硬體性能比較 61
5.2.3軟硬體協同處理 65
5.3視覺檢測應用開發平台驗證 65
5.3.1紋理分析實例 68
5.3.2 BLOB分析實例 71
第六章、結論與未來研究方向 76
6.1、結論 76
6.2、未來研究方向 77
參考文獻 78
附錄一 81

參考文獻

參考文獻
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指導教授

陳慶瀚(Ching-Han Chen)

審核日期

2017-1-20

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