image fidelity 中文意思是什麼
image fidelity
解釋
圖像逼真度-
The paper mentions the design of three - dimensional graphics modeling in the mine such as shaft, laneway, and equipment of transport and mining. human - computer interaction and viewpoint rambling in the demo system are realized so that the simulating staff may look at circumstances from different viewpoint and positions. under the precondition of limited resources holding, the contradiction between the fidelity of image display and real - time feature of system interaction process is better resolved with using of display list and model culling technology
論文中採用了opengl圖形庫的基本繪圖函數進行三維圖形的模型設計，並詳細給出了立井、拱形巷道、梯形巷道以及工作面支架和井底運輸巷道設備的三維圖形設計方法；並著重分析人機交互與視點漫遊功能的技術在系統中的實現；在佔用有限資源的前提下，為了提高場景實時顯示速度，論文中採用顯示列表和模型淘汰等技術，並編制出了一個虛擬礦井實例。 -
Taking the storage and transfer of mass image data into consideration, not only could favorable image compression techniques achieve high compression ratio and fidelity, they should also meet the demands of web applications, image compression need further detailed study, thus having developed into a specialized research field known as image coding
出於圖像存儲技術和圖像通信的考慮，良好的圖像壓縮技術不僅能夠實現高壓縮率和高保真率，還能滿足諸如漸進傳輸、圖像漸現等網路應用的需要。因此，為了滿足實際應用的需要，有必要對圖像數據壓縮處理進行深入細致的研究，目前已發展成為專門的研究領域:圖像編碼。 -
In this thesis, some key issues of the vr technique are systematically investigated. firstly, for the image filters and image interpolation between slices, a integrated interpolation algorithm is presented based on the contour shape and correspondence matching, which keeps the shapes and grays information the objects of interest. secondly, the fidelity of effect of the vr for medical images is studied, and a continuous - gradient - based method for transparent volume rendering is proposed, which vivifies the results of volume rendering
首先，研究了醫學斷層圖像數據的濾波及層間插值技術，提出了一種基於輪廓形變和對應點匹配相結合的混合插值演算法，在實現圖像層間插值的同時保持了目標的輪廓形狀與灰度信息；其次，對醫學影像容積重建效果的逼真度進行了研究，提出了一種基於連續梯度轉換函數的互動式透明體繪制方法，使重建效果更加生動、真實。 -
A favorable image compression technique can not only achieve high compression ratio and fidelity but also meet such demands such as progression transmission. firstly, the development course of the image compression theories and standards is introduced
出於圖象存儲和圖象通信的考慮，良好的圖象壓縮技術不僅能夠實現高壓縮率和高保真度，還應該滿足諸如漸進傳輸、圖象漸現等網路應用的需要。 -
Fast image scaling with high fidelity plays a key role in video processing and codec by providing various resolution, reducing bitrates to facilitate video transmission and achieving the best visual quality at the receiver
在視頻編碼轉化中，必須確保幀內編碼幀（幀）經過縮放后仍然具有很高的質量，才能使后繼運動預測幀的運動補償誤差達到最小化，從而到達較好的視頻編碼轉換效果。 -
This paper deals with the algorithms of still image compression with high fidelity, including embedded zerotree coding and jpeg2000
本文主要研究高保真靜止圖象壓縮演算法，包括嵌入式零樹編碼演算法和jpeg2000 。 -
In practice, it is currently very difficult to create a high - fidelity virtual reality experience, due largely to technical limitations on processing power, image resolution and communication bandwidth
實踐中，產生一個高度保真虛擬現實體驗目前非常困難，主要由於處理過程功率、圖象解碼和通訊帶寬的技術限制。 -
Colors render in the full color image spectrum, and text is legible, although the image definition and fidelity are not comparable to conventional displays such as the crt, lcd, that have been under development for many decades
顏色覆蓋了全部光譜，文字也是容易辨認的，雖然圖象的保真度不及普通顯示器如crt 、 lcd ，它們已經經過了數十年的發展。 -
Since each description included part or all information of the odd and even position coefficients, the reconstructed image from any single channel would have acceptable fidelity
由於每個描述都包含了奇數位系數和偶數位系數的部分或全部信息，因此，接收到一個通道的信息就可以重建出一定質量的圖像。 -
In order to assess the performance of the proposed methods, we propose three types of image measures to quantify the performance compared to some other methods. the first type evaluates the fidelity of the reconstructed image by computing the peak signal - to - noise ratio and euclidean distance in cielab color space between the original and reconstructed image in smooth and edge regions respectively. the second type accounts for a major artifact ? zipper effect
為了評估演算法質量，本文採用了三類評估手段:一是分別計算原始圖像與重構圖像在平滑區域與邊界區域的峰值信噪比與cielab顏色空間的歐氏距離來分析重構圖像的保真度;二是利用數學手段對重構圖像的一類主要失真現象? ? zipper效應進行定量評估;三是對硬體實現的成本與實際可行性進行了分析。 -
The history of system of kemar has sixty or seventy years. the researchers have been interested with it because of the advantages of the fidelity, nature of its sound image and it only need two independent transfer channels. but it not used broadly because of some disadvantages and difficulties of technology
假頭（人工頭）型立體聲系統已有六、七十年的歷史，由於它具有聲像逼真、自然，且只需要兩個獨立的傳輸信號等突出優點，幾十年來研究工作者對其興趣經久不衰，但由於它具有一定的局限性，以及一些技術上的困難，故未能在廣播、家用立體聲等方面得到廣泛的應用。 -
As for the compromise in the presentation quality, instead of video with full frame, full fidelity and full motion, one may reduce the image size, use less bits to represent colors, or reduce the frame rate
作為對表達質量的折衷，取代視頻的全幀、全保真度和全運動，一個辦法是減小圖像大小，用較少的比特表示色彩，或者減小幀速率。 -
Experimental results show that the denoising method with our new fidelity term is capable of sufficiently preserving geometric information such as edges and corners in addition to its effectiveness for image denoising
實驗結果表明，耦合自適應保真項的擴散方程能夠很好地保持圖像中目標的幾何結構，同時具有良好的去噪能力。 -
Experiments show that choosing frequency domain to embed watermarking can gain image fidelity better and have more robustness than watermarking embedded algorithm in space domain
實驗證明選擇頻域嵌入水印可以獲得更好的圖像保真度並且比在空域中的水印嵌入演算法更穩健。 -
What kind of the image definition and fidelity can i expect
我能期待多高的圖象保真度？
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