本文選題：Linux　切入點(diǎn)：圖像處理　出處：《山東師范大學(xué)》2017年碩士論文

【摘要】：隨著計(jì)算機(jī)技術(shù)的快速發(fā)展及廣泛應(yīng)用,與計(jì)算機(jī)技術(shù)相結(jié)合的激光雕刻加工技術(shù)被廣泛應(yīng)用于社會(huì)生活的諸多方面,其與傳統(tǒng)加工方式相比具有精度高、非接觸、速度快、無(wú)污染等特點(diǎn)。處于激光雕刻系統(tǒng)核心位置的激光雕刻軟件,往往決定著激光雕刻產(chǎn)品的品質(zhì)特性。因此,開(kāi)發(fā)出一套能夠適應(yīng)當(dāng)前激光雕刻技術(shù)成長(zhǎng)需要的激光雕刻軟件成為制約雕刻產(chǎn)品性能得到有效提升的一大重要內(nèi)容。目前,國(guó)內(nèi)激光雕刻加工軟件系統(tǒng)多采用結(jié)合第三方專業(yè)制圖軟件的處理來(lái)獲得雕刻加工圖樣文件,再結(jié)合專業(yè)軟件的處理得到關(guān)于圖樣信息的加工代碼,以實(shí)現(xiàn)整個(gè)雕刻過(guò)程的文件交互式加工�，F(xiàn)有雕刻加工平臺(tái)主要基于Windows系統(tǒng)下進(jìn)行產(chǎn)品的開(kāi)發(fā)及加工操作,加工環(huán)節(jié)中易出現(xiàn)較多使用性問(wèn)題,導(dǎo)致系統(tǒng)穩(wěn)定性得不到有效保證。本論文針對(duì)傳統(tǒng)激光雕刻軟件中存在的圖像處理功能不完善、圖形繪制功能不支持、路徑優(yōu)化功能較匱乏、數(shù)據(jù)傳輸不可靠等問(wèn)題,開(kāi)發(fā)出了一種基于Linux系統(tǒng)的激光雕刻上位機(jī)軟件,該激光雕刻上位機(jī)軟件能夠直接運(yùn)行在Linux系統(tǒng)下,實(shí)現(xiàn)一系列雕刻操作加工功能。本激光雕刻上位機(jī)軟件系統(tǒng)組成成分主要具有四大功能:圖像處理、矢量圖形繪制、雕刻加工代碼輸出和路徑優(yōu)化。本論文所做的主要工作如下:(1)對(duì)激光雕刻加工技術(shù)中數(shù)字圖像技術(shù)進(jìn)行深入研究,在介紹了圖像二值化、灰度化、邊緣檢測(cè)及平移等常見(jiàn)數(shù)字圖像處理算法后,分析了一種經(jīng)圖像矢量化處理后適于激光雕刻的加工方法,為后續(xù)編程實(shí)現(xiàn)激光矢量雕刻功能打下堅(jiān)實(shí)基礎(chǔ)。(2)在分析激光雕刻加工基本原理后,采用主從式軟件系統(tǒng)設(shè)計(jì),結(jié)合現(xiàn)有雕刻路徑優(yōu)化算法進(jìn)行深入研究及優(yōu)化,通過(guò)模擬實(shí)驗(yàn)確定了一種更為有效的激光雕刻路徑優(yōu)化算法,其路徑優(yōu)化功能在激光雕刻上位機(jī)軟件系統(tǒng)予以實(shí)現(xiàn)。(3)針對(duì)當(dāng)前激光雕刻軟件矢量繪圖操作功能的匱乏,設(shè)計(jì)并實(shí)現(xiàn)了支持自繪制矢量圖形進(jìn)行矢量雕刻、柵格圖像轉(zhuǎn)SVG格式圖像并生成數(shù)控代碼功能,從而進(jìn)一步提高了上位機(jī)系統(tǒng)軟件的實(shí)用性。(4)針對(duì)現(xiàn)有激光雕刻系統(tǒng)數(shù)據(jù)傳輸方式不靈活,本論文采用了基于TCP/IP網(wǎng)絡(luò)協(xié)議的無(wú)線通信方式,為進(jìn)一步提高數(shù)據(jù)通信、文件傳輸?shù)目煽啃约坝行?使用MD5算法對(duì)通信數(shù)據(jù)的完整性及安全性進(jìn)行驗(yàn)證,進(jìn)一步分析了雕刻加工異常情況下的雕刻加工處理過(guò)程。(5)在研究分析當(dāng)前激光雕刻軟件現(xiàn)狀后,為提高激光雕刻軟件功能的實(shí)用性和穩(wěn)定性,提出了基于Linux系統(tǒng)的軟件設(shè)計(jì)方案,最后在Linux平臺(tái)下進(jìn)行系統(tǒng)功能測(cè)試,驗(yàn)證了本軟件系統(tǒng)的可行性和穩(wěn)定性。
[Abstract]:With the rapid development and wide application of computer technology, laser engraving technology combined with computer technology has been widely used in many aspects of social life.No pollution, etc.Laser engraving software, which is located at the core of laser engraving system, often determines the quality characteristics of laser engraving products.Therefore, the development of a set of laser engraving software which can meet the needs of current laser engraving technology has become an important content that restricts the performance of engraving products to be effectively improved.At present, most domestic laser engraving software systems use the processing of third-party professional drawing software to obtain the engraving drawing files, and then combine the processing of professional software to obtain the processing code about the pattern information.In order to achieve the entire carving process of the file interactive processing.The existing engraving processing platform is mainly based on the Windows system for product development and processing operation. The system stability can not be effectively guaranteed.In this paper, the image processing function is not perfect, the drawing function is not supported, the path optimization function is scarce, the data transmission is unreliable and so on in the traditional laser engraving software.A laser engraving PC software based on Linux system is developed. The software can run directly under the Linux system and realize a series of engraving operation and processing functions.The software system of laser engraving has four main functions: image processing, vector drawing, code output and path optimization.The main work of this paper is as follows: (1) the digital image technology in laser engraving technology is deeply studied. After introducing some common digital image processing algorithms, such as binarization, grayscale, edge detection and translation, etc.This paper analyzes a processing method suitable for laser engraving after image vectorization, which lays a solid foundation for realizing the function of laser vector engraving by subsequent programming. After analyzing the basic principle of laser engraving, the master-slave software system is adopted.Combined with the existing engraving path optimization algorithm, a more effective laser engraving path optimization algorithm is determined through simulation experiments.The path optimization function is realized in the upper computer software system of laser engraving. (3) aiming at the lack of the operation function of vector drawing in the current laser engraving software, we design and realize the support of vector engraving with self-drawing vector graphics.The raster image is transformed into the SVG format image and the NC code function is generated, which further improves the practicability of the upper computer system software. (4) aiming at the inflexible data transmission mode of the existing laser engraving system,In this paper, the wireless communication mode based on TCP/IP protocol is adopted. In order to further improve the reliability and effectiveness of data communication and file transmission, MD5 algorithm is used to verify the integrity and security of communication data.In order to improve the practicability and stability of laser engraving software, after studying and analyzing the current situation of laser engraving software,The software design scheme based on Linux system is put forward. Finally, the system function test is carried out on Linux platform, which verifies the feasibility and stability of the software system.
【學(xué)位授予單位】：山東師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TN249;TP311.52

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