fractal image compression 中文意思是什麼

fractal image compression 解釋
不規則圖象壓縮
  • fractal : 分數維幾何
  • image : n 1 像，肖像，畫像；偶像。2 影像，圖像。3 相像的人（或物）；翻版。4 形像，典型。5 形像化的描繪。6...
  • compression : n. 1. 壓縮；壓緊；濃縮，緊縮。2. 加壓；壓抑。3. （表現的）簡練。4. 應壓試驗。
  1. A fractal image compression method with dct approximation

    近似的分形圖像壓縮方法
  2. Fractal image compression coding is focused attention upon by researchers for it ' s good quality of high compression ration, resolution irrelevancy and fast decoding. but it ca n ' t be put into practice for the matching search of domain and range is too difficult and the coding time is too long

    分形圖像壓縮編碼以其高壓縮比、解析度無關性、快速解碼等優越特性而引起世人矚目，但卻常因為龐大的定義域計算和煩瑣的定義域值域匹配搜索而使編碼時間過長，從而影響了其實用性。
  3. Researchers have developed many methods for image compression, and fractal image compression, as a new scheme of image compression, has received a great deal of attention and study from researchers all over the world in the field of image compression because of its desirable properties such as fast decoding, resolution independence of decoded image and high compression ratio

    目前人們已經提出了很多壓縮方法，而分形圖像壓縮作為一種新的壓縮方法，因其具有壓縮比高、解碼速度快、解碼圖像與解析度無關等優點，十余年來引起了眾多學者的關注和研究。
  4. A fast fractal image compression algorithm based on k - mean clustering optimization

    均值聚類優化的快速分形圖像壓縮演算法
  5. The second chapter sets forth the theorem basis of fractal image compression. by researching the property of iterate function system in metric space, two basic theorems are brought outthe fixed - point theorem of contract mapping and collage theorem. in the third chapter, fractal image compression method based on block partition is discussed and implemented

    接著在第二章中闡述了分形圖象壓縮的理論基礎，通過對完備空間中迭代函數系統性質的研究，提出了分形圖象壓縮的兩個基本定理：壓縮映射的不動點定理和拼貼定理。
  6. With the mass application of the image in the contemporary world, the research of the image compression technology becomes more and more impera - tive. the fractal image compression technology was proposed by american math - ematican barnsley and sloan [ 10 ] in 1987

    分形圖象壓縮編碼技術是由美國數學家barnsley和sloan於1987年提出的，此後jacquin首先實現了完全自動的分形壓縮編碼，給分形圖象壓縮領域帶來突破性的進展。
  7. During the procedure of the still digital image compression, first, we make a jpeg algorithm to the input general still digital image ; then, we make a fractal image compression based on wavelet coefficient cubtrees to the jpeg image

    在靜態數字圖像的壓縮和編碼過程中，首先將輸入的靜態數字圖像做jpeg壓縮；接著，採用基於小波系數子樹的分形圖像壓縮編碼方法對jpeg圖像進行二次壓縮。
  8. To many not strictiy self - similar image, the usual fractal image compression method based on block partition divides the image into non - overlap regular shape block collection. every block ' s iterate function system is found out by local self - similarity. the parameters of all iterate function system form fractal image compression code

    這種方法將圖象劃分為規則形狀的不重疊的子塊集，根據子塊的局部自相似性，找出集中每一個子塊的迭代函數系統，由全體子塊的迭代函數系統參數形成分形圖象壓縮編碼。
  9. The block - based fractal image compression method has a low compression ratio, so simple region - based fractal image compression is introduced, then the competitive region - based fractal image compression method is presented. the experimental results show that the compression ratio is effectively improved at a similar psnr value. wavelet - fractal image compression has been received widely attention

    由於基於塊的分形圖像壓縮方法的壓縮比不高，對此進行改進，先介紹簡單的基於區域的分形圖像壓縮，然後提出基於區域的競爭分形圖像壓縮演算法，並進行實驗，實驗結果表明，該方法在保持一定的信噪比的情況下，有效的提高了壓縮比。
  10. Fractal image compression is based on the fixed - point theorem and the collage theorem proposed by m. barnsley in 1988. in chapter three the extend collage theorem is presented which gives the control expression of the hausdorff distance between two iterated images

    分形圖像壓縮的理論基礎是不動點定理和拼貼定理，本文對拼貼定理進行了推廣，得到擴展拼貼定理，給出任意兩幅迭代圖像的hausdorff距離的控製表達式，原拼貼定理是擴展拼貼定理的一個特例。
  11. The original image is divided into non - overlap square domain block collection and range collection, which is fourfold the domain block. to every domain block, the best self - similarity transformation is gained by matching the found best similar range block, the parameters of the gained best domain block ' s transformations are the image compression code. the fourth chapter discusses and implements fractal image compression method based on region partit ion

    在第三章中討論並實現了基於子塊劃分的分形圖象壓縮方法，這種方法將原始圖象劃分為不重疊的正方形值域塊集和四倍大小的正方形定義塊集，對于每一個值域塊，在定義塊集中通過最佳匹配找出最相似的定義塊，通過匹配得到值域塊的最佳自相似變換，對所在值域塊的最佳自相似變換參數編碼實現圖象壓縮。
  12. Fractal image compression coding ( ficc ) is a new image coding method developed in recent years and has been studied extensively. based on the analyze of conventional fractal coding and decoding, a fractal image coding algorithm based on changeable threshold and creative function is proposed in this paper. new algorithm is to be in accordance with the feature of human visual system

    本文通過對傳統分形圖像壓縮編解碼的分析，提出了門限變化和生成函數改進的編碼演算法，此演算法在一定程度上與人類視覺系統特性相符，我們在理論上證明了在相同的條件下，用改進的生成函數恢復的圖像在質量方面比傳統的生成函數要好，恢復圖像的信噪比有所提高。
  13. The method of fractal image compression transfers a digital into a group of contract iterate function system ( ips ) model. encoding ifs ' s parameters achieves image compression. this method may gain higher compression ratio, as well as decoding rapidly

    分形圖象壓縮方法是根據圖象的自相似性，將一幅數字圖象轉化為一組收縮的迭代函數系統模型，通過對迭代函數系統參數編碼達到圖象壓縮的目的。
  14. The purpose of fractal image compression is to gain a good ifs whose attractor is similar to original image. so this search problem can be viewed as a combination and optimization process with complicated constraints and a large searching space

    分形圖像壓縮的最終目的是要獲得一個較好的ifs ，使它的吸引子與原始圖像盡可能的相似，可以把這個搜索問題看成是一個優化過程。
  15. However, there ' s a especially unsatisfying problem in this method : too long encoding time, mainly because of the considerable number of domain blocks to compare with for each range block in encoding phase, which, in fact, prevent fractal image compression from becoming a practical method for image compression, hence fast encoding has become a hot issue in fractal image compression

    但是，這種方法存在一個最大的問題：編碼時間過長，主要是因為編碼時定義域塊的搜索量非常可觀。這實際上已成為了該方法走向高效能實用化的最主要障礙，因此分形編碼加速方法已成為了近些年來分形壓縮的一個研究熱點。
  16. Methods improving for fractal image compression

    一種提高分形圖像壓縮編碼速度的方法
  17. A method of the fractal image compression based on region partition

    基於區域劃分的分形圖像壓縮方法
  18. Fractal image compression

    分形圖像壓縮演算法
  19. Bj fractal image compression

    分形圖像編碼
  20. In this paper, a fractal image compression method based on region partition is devised

    本文設計了一種基於區域劃分的分形圖象壓縮方法。
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