compression rate 中文意思是什麼

compression rate 解釋
加壓速率
  • 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。
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  1. Video compression plays an important role on digit moving picture processing, since it affects the picture ' s quality, comprcssing rate and visual degree in video sequence. adopting the same aphesis on the different objects, this approach which has employed by mpeg - 2 standard has led to a blur image of key objects, especially for those of the human faces

    視頻壓縮是數字視頻處理的關鍵技術，其決定了圖像的質量、壓縮率和對象的可分辨性，但是目前的mpeg壓縮演算法將不同圖像對象以相同的方式處理使視頻圖像中的關鍵對象信息無法清晰表達。
  2. Image compression rate can be changed to any given number by modifying parameter of the program

    通過設置壓縮程序輸入參數可無級控制圖像壓縮比。
  3. H. 26l has such advantages as high compression rate, strong error resilience capacity, high adaptability and so on

    該標準具有壓縮率高、差錯恢復能力強、適用范圍廣等優點。
  4. Experimental results show that the model achieves higher lossless compression rate of image than lossless spiht and lossless ebcot used in jpeg2000

    實驗結果表明，利用這種模型獲得的平均無損壓縮比高於spiht和用於jpeg2000的ebcot 。
  5. It can perform both lossy and lossless compression, and progressive codec, by providing high compression rate and image reconstruction quality

    在研究嵌入式零樹小波編碼演算法及原理的基礎上，描述了演算法的應用過程，闡述了具體的實現思路。
  6. The experiment result shows that the coding and decoding rates are high, and the signal to noise ratio, compression rate and visual quality are quite good

    實驗結果表明該方法編（解）碼速度快，並有較好的信噪比、壓縮比及視覺效果。
  7. As the latest standard in video codec field, h. 264 has such advantage as high compression rate, strong erroe resilience capacity, highly adaptability and so on

    作為視頻編解碼領域的最新標準， h . 264具有壓縮率高、差錯恢復能力強、適用范圍廣等優點。
  8. Due to the special use of tv guidance, the system needs : good performance of recover image on both subjective and objective review ; high compression rate and low delay

    由於電視制導的特殊性，系統對視頻圖象壓縮的要求為:恢復圖象的主觀、客觀質量高;大壓縮比;系統實時性高、延遲小。
  9. Abstract : in this article, the way of dynamics system dispensation in radio telecontrolling model plan is illustrated, and a comparative ananysis is given to the adjustment of the engine ' s compression rate as well as the performance of different - sized propellers, likewise, any other factors which affect the performance of the dynamics system capacity are also analized and disoussed

    文摘:本文論述了遙控模型飛機動力系統的調配方法，並對發動機壓縮比的調整和不同規格螺旋槳的性能進行了分析比較，對影響動力系統功率發揮的其他因素也進行了分析討論。
  10. Firstly, with the application of both morphologic translation and human body feather analysis on binary graph, the human body contours are extracted by exploited moving information, producing perfect human face region segments ; secondly, in order to form an accurate border, the author presents an improved statistical color model, which has removed redundancy successfully ; finally, a high compression rate is achieved by way of combining wavelet transform and different chain codes

    首先利用運動信息分割出人體輪廓，並綜合運用人體的特徵與形態數學的方法成功地分離出人臉大致區域；然後採用基於改進統計彩色信息模型方法，精確分割出人臉區域，去掉了不相關的冗餘信息；最後提出了利用圖像小波變換結合差分鏈碼技術描述了人臉對象，並實現了高效的視頻壓縮。
  11. People often think about the filter ' s characters of orthogonal, symmetry, regularity, but seldom synthetically think about some factors such as image texture or compression rate. in this paper used the same adaptive arithmetic coder for many filters, analyzed the effect factors synthetically for the best wavelet compression, and give some methods for selecting filter

    本文對多種常見濾波器，採用相同的自適應量化編碼方法進行實驗，研究並分析了選擇濾波器時應該考慮的圖像紋理、濾波器長度、壓縮比等一些綜合因素，有效解決了在小波圖像壓縮過程中，如何更好的選擇濾波器的問題。
  12. With performance of up to 900 million floating - point operations per second ( mflops ) at a clock rate of 150 mhz, tms320c6711 is fit to tackle with the problem. this thesis made a deep research on the h. 263 standard and the tms320c6711. we propose the plan of the software and the hardware for the realization of the h. 263 protocol which include the structure of the whole program, the c code of the key algorithm of the h. 263, the c code of some subprogram, and the circuit for image processing with the tms320c6711 as the processor. furthermore, we optimize some subprogram in common use to make the coding more quickly. we encode a video sequence with the tms320c6711dsk successfully, even if the compression rate is as high as 100, video effect we get after decoding the code stream is satisfying

    首先系統地研究了h . 263協議編碼器的基本演算法，句法，碼流結構和tms320c6711dsk的原理結構以及ccs2 . 0的開發環境；在系統的軟體方面給出了總體流程圖，對于h . 263協議編碼器的某些核心演算法和子程序，給出了部分源代碼，對于dsp的各種代碼優化方法進行了討論，並且對代碼進行優化，從而在提高系統處理速度的同時減少代碼大小和內存需求量；硬體方面以tms320c6711為核心處理器，提出了基於tms320c6711的圖像處理平臺的硬體實現方案，並給出了原理電路圖；最後在tms320c6711dsk上成功對視頻數據進行高壓縮比（ 100倍以上）的編碼，對回傳的結果解碼后得到了令人滿意的效果。
  13. The paper includes two main initiations. one is employing the method of segmentation before compression, which is benefit to a more effective compression according to the characteristics of scanned document image. another is combining roi and progressive transmission, in which makes the compression rate and transmission performance reach the best balance

    該論文的主要創新點有兩個：一個是在圖像壓縮之前採用了圖像分割的方法，有利於更好的針對圖像的自身特點對之進行有效的壓縮；另一個是採用了一種結合興趣域和漸進傳輸的掃描文檔圖像的壓縮和傳輸方法，使得圖像的壓縮比和傳輸性能達到最好的平衡。
  14. Text is a kind of very common resource in digital library, and lossless techniques play an important role in compressing text. starting from the shannon ' s entropy theory, we analyze the lossless compression algorithms, and implement arithmetic coding algorithm in c. in the experiments, we compare four different lossless compression algorithms by their performances such as compression rate, compression rate tendency with the length of data, stability, and complexity, using 35 groups data series with 4 different length

    本文從信息論中shannon熵定理出發，對無損壓縮技術進行系統地分析，用c語言實現了其中的算術編碼演算法，並用它對35組、四種不同長度數據序列進行了壓縮，給出了實驗結果，然後從壓縮比、壓縮比隨字元串長度的變換趨勢、演算法穩定性和演算法復雜性等四個方面對其與其它三種壓縮演算法lzw 、 lz77 、 rle進行了分析與比較。
  15. In order to improve efficiency of scientific data storage and transportation, scientific data compression rate prediction method based on genetic algorithm is proposed, and association rule is used to evaluate its training result to find out whether the method is applicable to certain given scientific data

    為了提高科學數據存儲和傳輸的效率，本文提出一種基於遺傳演算法的科學數據壓縮率預測方法。為檢驗本方法對給定的科學數據的效果，關聯規則被用於科學數據壓縮率預測的訓練結果評估。
  16. This chip integrates the algorithms of coding and decoding in chip, which can accurately control the compression rate and compress many video signal formats, including pal and ntsc. on the other hand, it can also obtain excellent image quality and high compression rate. in this paper, we make the best use of adv6oilc fulfill the remote multimedia surveillance, which provides many advantages in implementing such system

    該專用壓縮解壓縮晶元系列片內集成了編解碼演算法，具有精確的壓縮比特率控制，能實時對包括pal和ntsc在內的多種視頻信號進行壓縮和解壓縮，同時由於採用小波變換進行圖像編解碼，能保證獲得很高的壓縮率和圖像質量。
  17. The system adopts an advanced specific speech compression chip based on ambe algorithm. it can achieve high compression rate at 4 kb / s. the system first performs a / d conversion on analog speech input to obtain pcm signal and the pcm signal was encoded by the main compression chip

    它採用了比較先進的基於ambe演算法的專用語音壓縮編/解碼晶元，壓縮率高，可以將數字語音信號碼率壓縮至4kb / s ，且編碼速率可通過修改控製程序選擇。
  18. Author segments an image and then makes the text layer as roi of document image, then he compresses and reconstructs its all layers according to its own characteristic. author expects to obtain a higher compression rate than general image compression methods

    把分割出來的文本層作為興趣域，插圖層則相應的為非興趣域，然後針對掃描文檔圖像本身的特性對各層進行壓縮與解壓縮，以求達到比通用圖像壓縮演算法更高的壓縮比。
  19. As well as, using vector operation substitute scale operation in order to improve compression rate condition on keeping on distortion. by tool of vc + + simulate the result of research. finally, compared with jpeg, we can draw on a condition : using dct table substitute dct calculate and using vector operation substitute scale operation which can attain that is high compression rate and steady distortion

    其中，在dct變換中通過使用dct查詢標的方式代替dct常規變化，達到減少計算機乘除運算次數的目的；量化過程中通過使用矢量量化代替標量量化，達到在保證最小失真度的前提下提高壓縮比，並因此省略了jpeg壓縮中的熵編碼過程，簡化了壓縮過程，同時獲得最佳壓縮效率。
  20. Experimental results also show that for every quantization width, every scale in time and every scale in space, 3d - pcw not only achieves higher compression rate but also costs less time than 3d - escot

    實驗數據也表明，對于每個量化幅度和每個空間及時間解析度， 3d - pcw不僅獲得了比3d - escot更高的壓縮比，而且演算法執行所需要的時間也更少。
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