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- KLT is used to remove the correlation of spectral redundancy as one-dimensional (1D) linear transform, and SFCVQ coding is applied to enhance compression ratio. KL變換作為一維線性變換被用於消除一維(1D)譜冗餘,且SFCVQ編碼被應用於提高壓縮比。
- The DCT was used as the main method of image transform coding for a long time. 圖像壓縮編碼長期以來利用離散餘弦變換(DCT)作為變換編碼的主要技術。
- Firstly,a photogrammetric model named direct linear transform (for short DLT),which relate the world coordinate with image coordinate ,is presented. 本文還論述了圖象處理技術,包括中值濾波、邊緣檢測、哈夫變換、連通域標記等,應用這些技術,可以得到像點的圖象坐標。
- DCT/IDCT/Hadamard transform coding has been widely used in video coding standards. DCT/IDCT/Hadamard變換被廣泛應用於多種視頻編碼標準中;而H.
- The concept is introduced of the annihilating polynomial and minimal polynomial of vector with linear transform, their property discussed. 介紹了線性變換作用向量的化零多項式與最小多項式的概念,並討論了它們的性質。
- Among these DCT coding, as a kind of Block Transform Coding, is the most used and mature one. 其中塊變換編碼中的DCT變換編碼是比較常用和發展比較成熟的方法。
- The results show that 1) the linear transform colospaces have better performance than others, and 2) the absence of the luminance component decreases performance significantly. 結果表明:線性顏色空間是最優的膚色空間類,去除亮度信息將降低膚色-非膚色的類可分離性,並導致分類性能的退化。
- Adaptive Interframe Transform Coding A class of compression algorithms commonly used in video codecs to reduce the data transmission rate. 自適應幀間變換編碼一種壓縮運演算法則等級,通常用於視頻編解碼器,以降低數據傳輸速率。
- The normal variable has two important natures: One is the invariance of the linear transform;the other is the equivalence between the non-relevance and the independent. 摘要正態變數有兩個重要性質,第一是線性變換不變性,第二是不相關性和獨立性之間的等價性。
- The H.263 protocol integrates the prediction coding DCT transform coding and entropy coding to realize the compression for video data. 該協議將預測編碼、DCT變換編碼和熵編碼相結合實現對視頻數據的壓縮,並規定了編碼器的總體結構和數據格式。
- Zhang Muxiang,Xiao Guozhen.Structure of invertible linear transform with convolution property in finite field[J].Acta Electronica Sinica,1994,22(4):20-23. [2]張木想;肖國鎮.;有限域上具有卷積性質的可逆線性變換的結構[J]
- The wavelet image coding achieves higher image quality and higher compression ratio than the traditional DCT transform coding. 小波變換圖像編碼獲得了比傳統 DCT變換編碼更好的圖像質量和更高的壓縮比。
- This paper introduces statistics, forecast, transform coding method in lossless compression,for each method gives a typical example. 介紹雷達無損壓縮中的統計、預測、變換編碼方法,對每種方法均給出較為典型的實例。
- Then analyses the main technologies in H.264 and AVS, including quantization and transform coding, motion estimation and compensation, and entropy coding. 264和AVS標準進行了詳細的剖析。
- A linear transformation on Milbert space is called compact(also completely continuous). 希爾伯特空間上的線性變換叫做緊的(也叫全連續的)。
- The DLT (Direct Linear Transformation) algorithm is widely used in 3-D reconstruction of planar images. DLT演算法是利用平面圖象進行三維重構的廣泛採用的基本演算法。
- Linear transformation is the key of complex function, and also is a fundamental and significant Conformal mapping. 線性變換是複變函數中的一個重要內容,是一種基本又十分重要的保形變換。
- The method used to calibrate the camera is the Direct Linear Transform (DLT) in photogrammertry.Meanwhile, many image processing technologies are adopted, such as the filtering, denoising and so on. 本文採用了攝影測量學的直接線性轉換法(DLT)來標定攝像機,並利用了數字圖像處理技術中的均衡、濾波等技術對圖像進行處理。
- Waveform Transformation Coding(WTC)speech analysis-synthesissystem adapted to a microcomputer is developed. 本文介紹一個適用於微型計算機的波型變換編碼語音分析和合成開發系統。
- The specular reflection is a very important linear transformation in Euclidean space, and it has a special geometrical explanation in geometrical space. 摘要鏡面反射是歐氏空間中一類很重要的線性變換,在幾何空間中有著極其形象的解釋。