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quincunx n.1.(五點排列成的)梅花形。2.【植物;植物學】(果...

quincunxcial

The classroom form may according to the course content need , suspend the class furniture the quincunx , the square , the circular and so on nimble diverse group to study the square formation , lets the teachers and students , live can relaxed exchange , the discussion question freely , realizes the interactive cooperation 課堂形式可以根據教學內容的需要,把課桌椅擺成梅花形、正方形、圓形等靈活多樣的小組學習方陣,讓師生、生生能夠輕松自如地交流、探討問題,實現互動合作。

This kind of two - channels wavelets decomposition methed reconstruct the wavelet coefficients of an image from the radon transform data , and these coefficients were made reverted wavelet transform obtain the original image . wavelets subsampled on the quincunx lattice , which can have cut - off at an angle during the wavelets decomposition 基于不可分離mra的小波算法將投影數據進行二維濾波,其二通道的小波分解直接得到小波的近似系數和細節系數,這些系數再經過逆小波變換就得到了最終的重建圖像。