predictive coding 中文意思是什麼

predictive coding 解釋
預測編碼
  1. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。
  2. Predictive coding based on support vector machine

    基於支持向量機的圖像預測編碼演算法
  3. One - sided autocorrelation sequence ; linear predictive coding ; cepstrum ; dynamic time warping

    單邊自相關序列線性預測編碼倒譜動態時間規正
  4. Linear predictive coding ; lpc prediction error ; cepstrum ; dynamic time warping

    線性預測編碼lpc lpcpe線性預測誤差倒譜動態時軸彎曲或動態時間規正dtw
  5. In the third parts : based on davis ? self - quantization of subtrees, the fractal coding in the wavelet domain put forward orientaiton wavelet - subtree fractal coding, this coding encodes individually towards wavelet - subtree, at the same time, davis put forward the image coding concerning the disadvantage existing in rinaldo and calvagno ? fractal predictive case

    第三部分：以davis提出的小波樹的自量化（ self - quantizationofsubtrees ）編碼演算法研究現有小波域內的分形圖像編碼方法，在現有方法的基礎上，提出了方向性小波樹的分形編碼方法。
  6. Arma predictive model based celp speech coding algorithm

    基於零極點預測模型的碼激勵線性預測語音編碼演算法
  7. Helium speech enhancement based on linear predictive coding

    基於線性預測模型的氦語音增強演算法研究
  8. Coding of speech at 8 kbit s using conjugate - structure algebraic - code - excited linear - predictive cs - acelp

    使用共軛結構代數碼激勵線性預測的8kbit s語音編碼
  9. An adaptive predictive coding based on image segmentation for lossless compression of ultrasonic well logging images

    基於分塊自適應預測的超聲測井圖象無損壓縮編碼
  10. A study on noisy speech recognition linear predictive coding prediction error

    一種噪聲環境下的語音識別方法線性預測誤差法的研究
  11. Adaptive predictive coding

    適?予測符號化
  12. According to the mechanism of speech signal, an effective pitch detection algorithm by combined liner predictive coding with maximum likelihood was proposed

    摘要根據語音信號產生機理，結合常用的線性預測和最大似然法，提出了一種有效的基音檢測演算法。
  13. Predictive coding based on the grads of neighbor coefficient is proposed to encode ll subband because ll subband occupied a majority of energy of transform coefficient

    由於ll子帶占據變換系數的大部分能量，提出一種基於鄰域系數的梯度的預測編碼單獨編碼ll子帶。
  14. The main innovations of this dissertation are summarized as follows : bring forward respectively coding the magnitude and sign of the predictive error of ll subband, which can combined some existing wavelet image codec to improve result

    在許多改進和創新下，提出的兩種嵌入式圖像壓縮演算法相比于各種流行的小波編碼器，取得了很好的性能，有了較大的突破。
  15. In the first part the wavelet analysis theory is systematically summarized in the perspective of signal analysis and digital signal processing. in succession, the excellent of the wavelet image coding techniques are introduced with the focus on the ebcot coding algorithm. at the last part, aiming at the properties of hyperspectral images, three compression schemes are presented : dct + ebcot, differential method + ebcot and predictive method + ebcot

    文中首先從信號分析和數字信號處理的角度對小波分析理論進行了系統的總結，在此基礎上介紹了基於小波的圖像編碼技術的優秀成果，重點介紹了基於小波的ebcot編碼演算法，接著，針對高光譜圖像的特徵，本文提出了以下三種壓縮方案： dct變換+ ebcot的壓縮方案、差值法+ ebcot的壓縮方案及預測法+ ebcot的壓縮方案，對三種壓縮方案進行了軟體模擬，並將模擬結果與其它壓縮方案進行了比較。
  16. Interframe predictive coding is used to eliminate the large amount of temporal and spatial redundancy that exists in video sequences and helps in compressing them. motion eliminate can help to eliminate these redundancy. different kinds of algorithms use different criteria for comparison of blocks

    它採用開放的編碼系統和新一代視頻編碼技術，它在視頻編碼發展史上第一次把編碼對象從圖像幀拓展到具有實際意義的任意形狀視頻對象，從而實現了從基於像素的傳統編碼向基於對象和內容的現代編碼的轉變。
  17. In this paper, firstly, based on image spatial correlation, a fast algorithm named advance predictive correlation vq ( apcvq ) is presented, which aims at reducing the average coding time

    本文首先利用圖像內部的空間相關性，提出一種旨在降低平均編碼時間的超前預測相關矢量量化快速演算法，並對其進行測試。
  18. Some new methods are presented in this paper to improve the quality of harmonic excited linear predictive ( help ) coding which telecommunication and signal processing laboratory in beijing polythenic university develop

    本文以北京工業大學通信與信號處理研究室開發的2 . 4kb s諧波激勵線性預測（ help ）低速率語音編碼演算法為基礎，針對進一步提高語音質量的問題，研究了一系列改進方法。
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