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基于小波變換的圖像壓縮系統(tǒng)的實現(xiàn)本科畢業(yè)設(shè)計論文-展示頁

2025-07-15 14:23本頁面
  

【正文】 是目前解決這一矛盾的一個切實可行的途徑。同時,在某些圖像通信場合下的傳輸受客觀物理條件的限制,難以擴(kuò)展。 然而圖像經(jīng)過采樣和量化轉(zhuǎn)換成數(shù)字信號后,其數(shù)據(jù)量的巨大已經(jīng)成為多媒體技術(shù)發(fā)展中的一個非常棘手問題。 關(guān)鍵詞: 圖像壓縮技術(shù), 圖像編碼 , 壓縮系統(tǒng) ,小波 變換 ,圖形用戶界面 湖南工業(yè)大學(xué)本科畢業(yè)設(shè)計(論文) III ABSTRACT With the rapid development of puter and digital munication technology, large volume image data can bring pressure in the memory capacity, bandwidth of munication channel and puter processing speed, to solve the problem, data press is needed. More and more people pay attention on the study of image code and decode algorithm. Essentially, image code use less symbols to express data information as more as possible with certain and bination. The field of image coding have been a number of sophisticated algorithms , it can be divided into pixel coding, predictive coding transform coding, as well as other methods. In recent years, wavelet transform are more and more prominent in the application, with the maturity of image coding. The paper major research emphasis on the image encoding part of the image coding based on wavelet transform image pression technology, such as the difference of pulse coding, predictive coding, discrete cosine transform and wavelet transform analysis in detail and discussed in detail wavelet image pression module of the design process, and finally through the example of the algorithm on some specific details of the design of a friendly graphical user interface, userfriendly observation, a better understanding of algorithms, based on wavelet transform image processing toolbox to achieve system main function, the system userfriendly, interactive. Keywords: image pression technology, image coding ,pression system,wavelet transform, graphical user Interface 湖南工業(yè)大學(xué)本科畢業(yè)設(shè)計(論文) IV 目錄 第 1 章 緒論 ........................................................................................ 1 論文研究的背景及意義 ...................................................................................1 論文的主要研究工作 .......................................................................................1 論文的結(jié)構(gòu) .......................................................................................................2 第 2 章 圖像壓縮編碼 ......................................................................... 3 數(shù)字圖像 ...........................................................................................................3 圖像編碼技術(shù) ...................................................................................................3 圖像壓縮編碼的必要性與可行性 ......................................................3 圖像壓縮編碼的技術(shù)指標(biāo) ..................................................................5 數(shù)據(jù)壓縮方法 ......................................................................................7 靜態(tài)圖像壓縮編碼標(biāo)準(zhǔn) ................................................................................. 11 JPEG .................................................................................................... 11 JPEG 20xx .......................................................................................... 11 第 3 章 小波分析理論 ........................................................................14 小波理論的發(fā)展 .............................................................................................14 小波變換理論 .................................................................................................15 多分辨率分 析 .................................................................................................17 第 4 章 基于小波變換的圖像壓縮 .....................................................18 小波圖像壓縮概述 .........................................................................................18 小波圖像壓縮的特點(diǎn) ........................................................................18 小波圖像壓縮中小波基的選取 .....................................................................19 小波基特征分析 ................................................................................19 常用小波函數(shù)特征 ............................................................................21 小波基函數(shù)選擇的原則 .................................................................................23 小波變換的特點(diǎn) .............................................................................................24 第 5 章 系統(tǒng)的設(shè)計和實現(xiàn) ................................................................25 系統(tǒng)的特點(diǎn)和功能 .........................................................................................25 系統(tǒng)模塊的功能設(shè)計 ........................................................................25 湖南工業(yè)大學(xué)本科畢業(yè)設(shè)計(論文) V 系統(tǒng)的詳細(xì)設(shè)計 .............................................................................................26 離散余弦變換模塊 ............................................................................26 小波變換模塊 ....................................................................................28 系統(tǒng)的具體實現(xiàn)及操作 .................................................................................30 第 6 章 結(jié)論和展望 ...........................................................................37 結(jié)論 .................................................................................................................37 展望 .................................................................................................................37 參考文獻(xiàn) ............................................................................................39 致 謝 ................................................................................................40 湖南工業(yè)大學(xué)本科畢業(yè)設(shè)計(論文) 1 第 1 章 緒論 論文研究的背景及意義 在人類所接收到的全部信息中,有 70%以上是通過視覺得到的。近幾年來 ,隨著小波變換的成熟 ,其在圖像編碼領(lǐng)域的應(yīng)用越來越突出。為了解決這個問題 ,必須進(jìn)行壓縮處理。 作 者 簽 名: 日 期: 指導(dǎo)教師簽名: 日 期: 使用授權(quán)說明 本人完全了解 大學(xué)關(guān)于收集、保存、使用畢業(yè)設(shè)計(論文)的規(guī)定,即:按照學(xué)校要求提交畢業(yè)設(shè)計(論文)的印刷本和電子版本;學(xué)校有權(quán)保存畢業(yè)設(shè)計(論文)的印刷本和電子版,并提供目錄檢索與閱覽服務(wù);學(xué)??梢圆捎糜坝?、縮印、數(shù)字化或其它復(fù)制手段保存論文;在不以贏利為目的前提下,學(xué)校可以公布論文的部分或全部內(nèi)容。盡我所知,除文中特別加以標(biāo)注和致謝的地方外,不包含其他人或組織已經(jīng)發(fā)表或公布過的研究成果,也不包含我為
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