pixel noise 中文意思是什麼
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The algorithms of image processing, including pixel gray - level detection, intensity transform, noise smoothness and image sharpen are discussed in detail
本文詳細的研究了圖像處理的演算法，實現了像素灰度提取、灰度變換、圖像平滑、圖像銳化等演算法。 -
For example, the geometric effect and vignetting are simulated with the synthetic method in which they are modeled with ray tracing and then simulated with pixel - based processing. the effects of detector noise on imaging are simulated with the three - dimension model. the theory of pixel transfer function is extended and developed, and microscanned images of four patterns are simulated with good results
本文具有如下幾個突出特點：用光線追跡法分析建模，而用基於象素處理的綜合方法，模擬了光學系統中的幾何效應和漸暈現象；利用三維噪聲模型，模擬了探測器噪聲對圖像質量的影響；對象素傳遞函數理論進行了擴展和延伸，給出四種工作模式的微掃描成像系統的象素傳遞函數的具體數學表達式，並利用這些表達式模擬了探測器的空間效應和微掃描成像的圖像效果。 -
In addition, we designed the sensor to cancel out noise that might be generated by different components, from the pixel amplifier, which strengthens the signals, to the memory and switches
我再補充一點，我們的設計使得傳感器可以補償其它部分可能產生的噪音，從放大信號的像素放大器到內存和轉換器等。 -
A novel edge detection operator is presented, which is the simplest operator based on regular convolution kernel. moreover, its error is no more than one pixel in the noise - free case
提出了最簡邊緣檢測運算元，它精度高，運算速度快，針對于分塊均勻的數字圖象具有常規運算元無可比擬的檢測效果。 -
In the course of remote sensing digital image preparation, the paper, based on many experiments, chooses histogram match for radiation correction, texture filter method for strip noise reduction, and, with tm image in 1996 as the standard, carries out geometric correction and re - sampling of multi - band combined colored image by means of binary multinomial and closest pixel, with the error of one pixel
在遙感數字圖像預處理中，通過多次試驗，採用紋理濾波法消除條帶噪聲，以96年tm影像為參考標準進行二階多項式幾何精校正和最鄰近像元法重采樣，誤差控制在1個像元內。 -
The active pixel sensor structure widely used in image sensor is used here to convert the micro photoelectric signal generated in pixel to large electric signal to facilitate the signal processing and reduce the noise. the arrayed sensor structure ? s used to obtain the coordinate and shape information of targets
該傳感器的感光單元採用了cmos圖象傳感器中使用的有源像素傳感器（ activepixelsensor ， aps ）設計，在感光單元內部由光電信號預處理電路直接將傳感產生的光電信號轉化為幅度較大的電信號輸出，避免了對微弱信號的處理，降低了噪聲的影響。 -
The nikon approach ( large sensor area and large pixel sizes to improve the signal to noise ratio might be a more sensible solution )
尼康道路：採用更大的傳感器和更大面積的像素來降低信噪比，似乎更合理一些。 -
The results show that this method is valid, and is effective to preserve the spectral characteristic of non - noise pixel
實驗證明，該方法是有效可行的，而且這種方法不會影響到非噪聲像元的灰度信息。 -
Experimental results show that the proposed algorithm is robust to noise, can detect accurately shadows and is more efficient than the algorithm based on pixel
實驗結果表明，該演算法能夠很好地抑制噪聲，準確地檢測出陰影，明顯比基於像素的演算法有效。
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