2、Image processing : 40 filters , 图像处理相关. 3、Blending modes : 29 filters , 混合模式相关. 4、Visual effects : 25 filters , 视觉效果相关.GPUImageXYDerivativeFilter 属于GPUImage 图像视觉效果相关,用于图像 XYDerivative 边缘检测。shader 源码如下:/...
P. Kothiyal, “Spatial phase filtering with a porphyrin derivative as phase filter in an optical image processor,” Opt. Comm., vol. 251, pp. 292-298, 2005Sendhil, K., Vijayan, C. and Kothiyal, M.P. (2005) Spatial Phase Filtering with a Porphyrin Derivative as a Phase Fil- ter ...
DMF is dried and stored over 4-Å molecular sieves and, immediately before use, it is also freed of volatile amines by a helium stream and filtered through a 0.25-µm filter. Water is Milli-Q grade, filtered through a 0.25- µm filter....
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Finally, combined with a parameter-free shape estimation scheme, a derivative filter is developed for the typical applications of curvilinear structure ... C Xiao,M Staring,Y Wang,... - 《IEEE Transactions on Image Processing A Publication of the IEEE Signal Processing Society》 被引量: 77发表...
at 240 °C for 60-min residence time following heating. PET was added manually to the reactor followed by manual addition of ammonium hydroxide. At the end of the residence time, the vessel was cooled and the liquid recovered and vacuum-filtered through Whatman #42 filter paper (diameter 55...
(using a 320 nm cut-off filter) in a model emulsion sample [27]. Furthermore, Tarras-Wahlberg et al. showed that the UV spectrum of HM-BZP and 2-Hydroxy-4-methoxy-4′-methylbenzophenone inpetroleum jellywas stable to both UVA and UVB radiation [28]. The benzophenone sunscreens form ...
since this enzyme works at acidic pH. All the CFSs were then filtered with 10 kDa cut-off spin columns (Amicon Ultra-0.5 Centrifugal Filter Unit, Millipore, distributed by Sigma Aldrich) to remove the enzymes (molecular weights in kDa: trypsin 24, proteinase K 28.9, and pepsin 34.5, respect...
The computer executable instructions may also cause pre-processing and preparation of the raw sensor data. This pre-processing may include pre-filtering of the column vectors using a Hamming or other optimal smoothing window, plus a specially tailored filter that improves the contrast for certain fea...
The constitution for an optical circuit can be applied to a thermo-optic switch for a single mode or a multi-mode, an arrayed wave guide grating, an optical multiplex or demultiplexer, a wavelength-variable filter, and a core material or a clad material for an optical fiber. The constitution...