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OPTICALLY ACTIVE AMINO ACIDS WITH HIGHLY BRANCHED SIDE CHAIN (I) SYNTHESIS OF D- AND L- 2-AMINO-5,5-DIMETHYLHEXANOIC ACID AND 2-AMINO-6,6-DIMETHYLHEPTANOIC ACID
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《Chinese Chemical Letters》 SCIE CAS CSCD 1992年第4期237-238,共2页
The title compounds were prepared by the enzymatic resolution of the corresponding N-acetylated DL-amino acids methyl esters, which were obtained from t-butyl chloride via an 8-step synthesis.
关键词 AMINO-5 5-DIMETHYLHEXANOIC ACID AND 2-AMINO-6 6-DIMETHYLHEPTANOIC ACID AND L OPTICALLY ACTIVE AMINO ACIDS WITH HIGHLY branchED SIDE CHAIN SYNTHESIS OF D
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Branch-Activated Multi-Domain Convolutional Neural Network for Visual Tracking 被引量:2
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作者 CHEN Yimin LU Rongron +1 位作者 ZOU Yibo ZHANG Yanhui 《Journal of Shanghai Jiaotong university(Science)》 EI 2018年第3期360-367,共8页
Convolutional neural networks (CNNs) have been applied in state-of-the-art visual tracking tasks to represent the target. However, most existing algorithms treat visual tracking as an object-specific task. Therefore... Convolutional neural networks (CNNs) have been applied in state-of-the-art visual tracking tasks to represent the target. However, most existing algorithms treat visual tracking as an object-specific task. Therefore, the model needs to be retrained for different test video sequences. We propose a branch-activated multi-domain convolutional neural network (BAMDCNN). In contrast to most existing trackers based on CNNs which require frequent online training, BAMDCNN only needs offine training and online fine-tuning. Specifically, BAMDCNN exploits category-specific features that are more robust against variations. To allow for learning category-specific information, we introduce a group algorithm and a branch activation method. Experimental results on challenging benchmark show that the proposed algorithm outperforms other state-of-the-art methods. What's more, compared with CNN based trackers, BAMDCNN increases tracking speed. 展开更多
关键词 convolutional neural network(CNN) category-specific feature group algorithm branch activation method
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