Incremental Adaptive Learning Vector Quantization for Character Recognition with Continuous Style Adaptation
Shen, Yuan-Yuan; Liu, Cheng-Lin
2018-04-01
发表期刊COGNITIVE COMPUTATION
卷号10期号:2页码:334-346
文章类型Article
摘要Incremental learning enables continuous model adaptation based on a constantly arriving data stream. It is a way relevant to human cognitive system, which learns to predict objects in a changing world. Incremental learning for character recognition is a typical scenario that characters appear sequentially and the font/writing style changes irregularly. In the paper, we investigate how to classify characters incrementally (i.e., input patterns appear once at a time). A reasonable assumption is that adjacent characters from the same font or the same writer share the same style in a short period while style variation occurs in characters printed by different fonts or written by different persons during a long period. The challenging issue here is how to take advantage of the local style consistency and adapt to the continuous style variation as well incrementally. For this purpose, we propose a continuous incremental adaptive learning vector quantization (CIALVQ) method, which incrementally learns a self-adaptive style transfer matrix for mapping input patterns from style-conscious space onto style-free space. After style transformation, this problem is casted into a common character recognition task and an incremental learning vector quantization (ILVQ) classifier is used. In this framework, we consider two learning modes: supervised incremental learning and active incremental learning. In the latter mode, samples receiving low confidence from the classifier are requested class labels. We evaluated the classification performance of CIALVQ in two scenarios, interleaved test-then-train and style-specific classification on NIST hand-printed data sets. The results show that local style consistency improves the accuracies of both two test scenarios, and for both supervised and active incremental learning modes.
关键词Continuous Incremental Adaptive Learning Vector Quantization Style Transfer Mapping Local Style Consistency Active Learning
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1007/s12559-017-9491-3
关键词[WOS]ONLINE ; PERCEPTRON ; ALGORITHM
收录类别SCI
语种英语
项目资助者Strategic Priority Research Program of the CAS Grant(XDB02060009) ; National Natural Science Foundation of China (NSFC)(61411136002)
WOS研究方向Computer Science ; Neurosciences & Neurology
WOS类目Computer Science, Artificial Intelligence ; Neurosciences
WOS记录号WOS:000430190600013
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/22004
专题模式识别国家重点实验室_模式分析与学习
作者单位Chinese Acad Sci, Univ Chinese Acad Sci, Inst Automat, Natl Lab Pattern Receognit, Beijing 100190, Peoples R China
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Shen, Yuan-Yuan,Liu, Cheng-Lin. Incremental Adaptive Learning Vector Quantization for Character Recognition with Continuous Style Adaptation[J]. COGNITIVE COMPUTATION,2018,10(2):334-346.
APA Shen, Yuan-Yuan,&Liu, Cheng-Lin.(2018).Incremental Adaptive Learning Vector Quantization for Character Recognition with Continuous Style Adaptation.COGNITIVE COMPUTATION,10(2),334-346.
MLA Shen, Yuan-Yuan,et al."Incremental Adaptive Learning Vector Quantization for Character Recognition with Continuous Style Adaptation".COGNITIVE COMPUTATION 10.2(2018):334-346.
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