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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(guò)實(shí)驗和計算,分析由于探測器偏置電壓的不同所產(chǎn)生的線(xiàn)擴展函數(LSF)變化和隨之導致的掃描器調制傳遞函數(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(xiàn)性光學(xué)系統的傳遞函數(tf)由線(xiàn)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(guò)實(shí)驗和計算,分析由于探測器偏置電壓的不同所產(chǎn)生的線(xiàn)擴展函數(LSF)變化和隨之導致的掃描器調制傳遞函數(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(xiàn)擴散函數的等效寬度(EQW)作為像質(zhì)評定的一個(gè)標準。 試驗表明,1/EQW與底片的目視分解力有著(zhù)一定的近似關(guān)系。
- line spread function(LSF) 線(xiàn)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,采取了三種策略:1)從每個(gè)邊緣提取多個(gè)線(xiàn)擴展函數;
- line spread function 線(xiàn)擴散函數
- extrinsic line spread function 非本征線(xiàn)擴展函數, 非本征線(xiàn)展寬函數
- lines spread function 線(xiàn)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(diǎn)擴展函數未知或不確知的情況下,從觀(guān)察到的退化圖像中恢復原始圖像的過(guò)程稱(chēng)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(diǎn)擴展函數的設置是影響圖像復原的關(guān)鍵問(wèn)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(chǎng)疏散的情形下，兩種方法得到的光度曲線(xiàn)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(dòng)模糊的點(diǎn)擴散函數未知的情況下，估計運動(dòng)模糊的點(diǎn)擴散函數是運動(dòng)模糊恢復的前提和關(guān)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(guò)程中，由于受到二維信道的點(diǎn)擴展函數(PSF)的影響，會(huì )產(chǎn)生圖像模糊問(wèn)題。
- Point Spread Function（PSF） estimation，an essential part for image restoration，has no accurate estimation algorithm at present. 摘要 點(diǎn)擴展函數估計是圖像復原的重要內容，目前還沒(méi)有精確估計的算法。
- 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于三維高斯點(diǎn)擴展函數(PSF)模型的參數盲解卷積(PBD)算法，并將此算法用于顯微光學(xué)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(diǎn)擴展函數未知或不確知的情況下，從觀(guān)察到的退化圖像中恢復原始圖像的過(guò)程稱(chēng)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(xiàn)借用和交界線(xiàn)擴展是工件在液態(tài)介質(zhì)中淬火冷卻時(shí)經(jīng)常發(fā)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(chēng)為點(diǎn)分散功能(PSF)，對使用哈博望遠鏡發(fā)現行星是一項關(guān)鍵技術(shù)。
- 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，適當的偏心量有利于提高環(huán)狀干涉條紋成像的分辨率，又不致于產(chǎn)生對點(diǎn)擴展函數有影響的旁瓣。
