APEX是一种基于快速傅立叶变换的直接盲解卷积算法，能够快速复原复杂纹理图像。
The APEX method is an FFT-based direct blind deconvolution technique that can recover complex texture imagery quickly.
针对传统的从明暗恢复形状(SFS)算法存在误差大、耗时长的问题，提出了一种SFS的快速黏性解算法(PSFS - FVS)。
Focusing on the high error and time consuming of the algorithms for shape from shading (SFS), a fast viscosity solution algorithm of perspective SFS (PSFS-FVS) is proposed.
实例计算表明：在任一温度、压力和组成条件下，无论多组分系统是汽液共存还是仅为单相，该算法均能快速得到相应极值解。
Computation experience shows that this method can judge quickly whether the multi-composition system at a given pressure and temperature is in tow-phase or single-phase condition.
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