نتایج جستجو برای: scrambled pair
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A novel Variable Dimension Space Audio Scrambling Algorithm Against MP3 Compression is proposed. The algorithm is implemented in audio position space, which changes the dimension of coordinates and uses arbitrary matrices to scramble audio. The scrambled audio was segmented and a sequence number is embedded in the front of each segment to discriminate different segments. The proposed method can...
Electrophysiological measures were used to investigate the contribution of lexical status on the maintenance of letter strings in visual short-term memory (VSTM). The sustained posterior contralateral negativity (SPCN), an electrophysiological marker of storage in VSTM, was measured for words and nonwords as well as scrambled letters. A smaller SPCN was found for words than for nonwords (indepe...
A novel MRI proteinase-modulated contrast agent (PCA) was developed to detect the activity of the proinvasive enzyme matrix metalloproteinase-2 (MMP-2) in vivo. The PCA2-switch agent incorporates a solubility switch, where cleavage of a peptide substrate by MMP-2 decreases the water solubility of the agent. Evidence suggests that this leads to an accumulation of cleaved PCA2-switch in an MMP-2-...
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