BLEU(Bilingual Evaluation Understudy)是一种广泛用于评估机器翻译和自然语言生成任务质量的指标。BLEU-4评分是基于四个n-gram(从单个词到四词组合)匹配度的加权几何平均值,旨在衡量生成文本与参考文本之间的相似性。 #2. BLEU详细介绍 n-gram 精确度 对于每个n-gram(n=1,2,3,4),计算生成文本中n-gram在参考文...
BLEU BLEU ( Bilingual Evaluation Understudy ) 是一种常用的自动化评估机器翻译(MT)质量的指标,用于衡量机器翻译系统输出与参考翻译之间的相似度。它被广泛应用于自然语言处理(NLP)领域,特别是在机器翻译任务中,用来量化翻译结果的质量。 BLEU的工作原理
BLEU (Bilingual Evaluation Understudy) is an algorithm for evaluating the quality of text which has beenmachine-translatedfrom onenatural languageto another. Quality is considered to be the correspondence between a machine's output and that of a human: "the closer a machine translation is to a p...
BLEU,全称为Bilingual Evaluation Understudy(双语评估替换),是一个比较候选文本翻译与其他一个或多个参考翻译的评价分数。 尽管BLEU一开始是为翻译工作而开发,但它也可以被用于评估文本的质量,这种文本是为一套自然语言处理任务而生成的。 通过本教程,你将探索BLEU评分,并使用Python中的NLTK库对候选文本进行评估和评分...
现在仅讲一下较简单的BLEU,n-gram precision,多元准确性,意思为n个词为一组来评估原多个caption与生成caption的综合准确度,对于n个词为一组,举个例子,对于一句话,I am settle down in Beijing, 他的1-gram是 I, am, settle, down, in, Beijing,就是一个词为一组经行匹配。4-gram 是 I am settle ...
BLEU (Bilingual Evaluation Understudy) is an algorithm for evaluating the quality of text which has been machine-translated from one natural language to another. Quality is considered to be the correspondence between a machine's output and that of a human: "the closer a machine translation is to...
该评价方法是IBM发表于ACL2002上。从文章命名可以看出,文章提出的是一种双语评价替补,"双语评价(bilingual evaluation)"说明文章初衷提出该评价指标是用于机器翻译好坏的评价指标,"替补(understudy)"说明文章想提出一种有效的评价指标进而帮助人类来快速评价翻译结果的好坏。
Define Bilingual evaluation understudy. Bilingual evaluation understudy synonyms, Bilingual evaluation understudy pronunciation, Bilingual evaluation understudy translation, English dictionary definition of Bilingual evaluation understudy. Noun 1. bleu -
BLEU, or the Bilingual Evaluation Understudy, is a score for comparing a candidate translation of text to one or more reference translations. A perfect match results in a score of 1.0, whereas a perfect mismatch results in a score of 0.0. The score was developed for evaluating the predictions...
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