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不定长数据中识别模糊文本的数据加载方法
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作者 苗小爱 《软件导刊》 2023年第5期177-183,共7页
随着人工智能的发展,越来越多的企业开始构建智能应用,OCR即是人工智能落地应用之一,也是当前研究热点。在自然场景下,由于拍摄环境复杂、拍摄设备质量参差不齐,以及拍摄的图片存在文字模糊、文本部分缺失、背景复杂等情况,会造成在不... 随着人工智能的发展,越来越多的企业开始构建智能应用,OCR即是人工智能落地应用之一,也是当前研究热点。在自然场景下,由于拍摄环境复杂、拍摄设备质量参差不齐,以及拍摄的图片存在文字模糊、文本部分缺失、背景复杂等情况,会造成在不定长数据集上训练文本识别模型困难的问题。针对此情况,提出一种新的数据加载方法以加快收敛速度,提高模型识别准确率。该方法主要包括两部分:(1)设计近似背景填充以适当增加负样本比例;(2)设定图像放缩阈值,保证真实数据形状并对数据进行适度放缩以达到自然场景下文本数据样式效果。与常用的经典数据加载方法相比,该数据加载方法具有更快的拟合速度和识别准确率。 展开更多
关键词 文本识别 文字模糊 数据加载 图像放缩阈值 近似背景填充
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CiLin Expansion and Its Application to Word Sense Disambiguation
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作者 姚建民 Zhang Jing +1 位作者 Zhao Tiejun Li Sheng 《High Technology Letters》 EI CAS 2004年第3期23-26,共4页
40 000 new entries are added to CiLin in knowledge engineering. Statistics are presented about the sense ambiguity of Chinese words in CiLin. An automatic solution is proposed for the problem of Chinese sense disambig... 40 000 new entries are added to CiLin in knowledge engineering. Statistics are presented about the sense ambiguity of Chinese words in CiLin. An automatic solution is proposed for the problem of Chinese sense disambiguation, which utilizes the heuristics of part-of-speech tagging and Nave Bayes classification based on a partially disambiguated corpus. 展开更多
关键词 WSD 知识工程 文字处理系统 文字模糊字段 知识收集 辞典 词性
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Plantinga's Evolutionary Argument against Naturalism Revisited
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《Fudan Journal of the Humanities and Social Sciences》 2012年第1期95-114,共20页
Alvin Plantinga's Evolutionary Argument against Naturalism (hereafter "EAAN") is an argument intended to prove that atheism is not highly probably true in the Darwinian framework. Many critics believe that this a... Alvin Plantinga's Evolutionary Argument against Naturalism (hereafter "EAAN") is an argument intended to prove that atheism is not highly probably true in the Darwinian framework. Many critics believe that this argument Cannot work. I am one of them; but I have a different perspective. In my view, although EAAN was originally elaborated for defending theism, the failure of EAAN itself will not consequently undermine theism (as a religious position), but will definitely undermine reliabilism (as an epistemological position). My points include: (1) in Plantinga's epistemological reliabilist narrative, it is quite hard to clarify the meaning of the term "reliability" (as a key word of his whole narrative), and it is the ambiguity of this term that makes some steps in Plantinga's argument more confusing than it ought to be; (2) conversely, if he wiped out this terminological ambiguity, the whole EAANnarrative based on "reliability" would have to be given up, and this cost may be too high for any EAANadherent to pay. 展开更多
关键词 Evolutionary Argument against Naturalism proper functionalism reliability RELIABILISM
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