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- The changes of the line spread function(LSF)and modulation transfer function(MTF)of scanner due to the variation of detector bias voltage are analyzed. 通過實驗和計算,分析由於探測器偏置電壓的不同所產生的線擴展函數(LSF)變化和隨之導致的掃描器調製傳遞函數(MTF)變化。
- The Optical Transfer Function( OTF) of a linear optical systemcan be derived from the Fourier Transfer of the Line Spread Function( LSF). 線性光學系統的傳遞函數(tf)由線擴散函數的傅立葉變換求出。
- Abstract: The changes of the line spread function(LSF)and modulation transfer function(MTF)of scanner due to the variation of detector bias voltage are analyzed. 文摘:通過實驗和計算,分析由於探測器偏置電壓的不同所產生的線擴展函數(LSF)變化和隨之導致的掃描器調製傳遞函數(MTF)變化。
- With regard to its, the paper proposes using the equivalent width of line spread function (EQW) as an image quality evaluating stan dard) the tests indicate that there is certainly similarity between 1/EQW and the resolution of the photograph. 在MTF應用方面,提出了以線擴散函數的等效寬度(EQW)作為像質評定的一個標準。 試驗表明,1/EQW與底片的目視分解力有著一定的近似關係。
- line spread function(LSF) 線擴布函數
- To achieve high accuracy,three strategies are adopted:1) a number of line spread functions (LSF) on each edge are extracted; 為提高辨識的精確度,採取了三種策略:1)從每個邊緣提取多個線擴展函數;
- line spread function 線擴散函數
- extrinsic line spread function 非本徵線擴展函數, 非本徵線展寬函數
- lines spread function 線擴散函數
- When point spread function(PSF)is not known or only partially determined, restoration of the degraded images is called blind image restoration (BIR). 當點擴展函數未知或不確知的情況下,從觀察到的退化圖像中恢復原始圖像的過程稱為圖像盲復原。
- Setting the point spread function (PSF) of motion-blurred images is the key problem in image restoration. 摘要點擴展函數的設置是影響圖像復原的關鍵問題。
- We assume the spatial fluctuation relative to the smooth point spread function(PSF) of the target star is due to errors. 結果顯示，在星場疏散的情形下，兩種方法得到的光度曲線差異不大。
- When the Point Spread Function（PSF） associated with motion blur is unknown，estimating parameters of the PSF is necessary for image restoration. 在運動模糊的點擴散函數未知的情況下，估計運動模糊的點擴散函數是運動模糊恢復的前提和關鍵。
- During the transmission of digital image, the signal may be blurred by the Point Spread Function (PSF) of the 2-dimensional channel. 數字圖像在傳輸過程中，由於受到二維通道的點擴展函數(PSF)的影響，會產生圖像模糊問題。
- Point Spread Function（PSF） estimation，an essential part for image restoration，has no accurate estimation algorithm at present. 摘要 點擴展函數估計是圖像復原的重要內容，目前還沒有精確估計的演算法。
- A parametric blind deconvolution (PBD) algorithm was presented based on a new model of the 3-D Gaussian point spread function (PSF) to restore the microscopic optical slices. 摘要提出了一種新的基於三維高斯點擴展函數(PSF)模型的參數盲解卷積(PBD)演算法，並將此演算法用於顯微光學切片的圖像復原。
- When Point Spread Function（PSF） is not known or only partially determined，restoration of the degraded images is called Blind Image Restoration（BIR）. 摘要 當點擴展函數未知或不確知的情況下，從觀察到的退化圖像中恢復原始圖像的過程稱為圖像盲復原。
- Borrowing demarcation line and demarcation line spreading are common phenomena in processes of workpiece quenching in liquid. 交界線借用和交界線擴展是工件在液態介質中淬火冷卻時經常發生的事情。
- The stability of how light is scattered in the NICMOS camera, called the point spread function (PSF), is key for using Hubble images to recover planets. 光分散在NICMOS照相機中的穩定性能，亦稱為點分散功能(PSF)，對使用哈博望遠鏡發現行星是一項關鍵技術。
- The conclusion is that suitable departure helps to improve the resolution of the imaging, and not to bring any unreasonable side lobe that influences the point spread function. 結果表明，適當的偏心量有利於提高環狀干涉條紋成像的解析度，又不致於產生對點擴展函數有影響的旁瓣。
