Topic
Word error rate
About: Word error rate is a research topic. Over the lifetime, 11939 publications have been published within this topic receiving 298031 citations.
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02 Jun 2001
TL;DR: A simple architecture for parsing transcribed speech in which an edited-word detector first removes such words from the sentence string, and then a standard statistical parser trained on transcribedspeech parses the remaining words is presented.
Abstract: We present a simple architecture for parsing transcribed speech in which an edited-word detector first removes such words from the sentence string, and then a standard statistical parser trained on transcribed speech parses the remaining words. The edit detector achieves a misclassification rate on edited words of 2.2%. (The NULL-model, which marks everything as not edited, has an error rate of 5.9%.) To evaluate our parsing results we introduce a new evaluation metric, the purpose of which is to make evaluation of a parse tree relatively indifferent to the exact tree position of EDITED nodes. By this metric the parser achieves 85.3% precision and 86.5% recall.
180 citations
27 Nov 1995
TL;DR: First experiments along highways in the Netherlands show that the CLPR-system has an error rate, of 0.02% at a recognition rate of 98.51%.
Abstract: A car license plate recognition system (CLPR-system) has been developed to identify vehicles by the contents of their license plate for speed-limit enforcement. This type of application puts high demands on the reliability of the CLPR-system. A combination of neural and fuzzy techniques is used to guarantee a very low error rate at an acceptable recognition rate. First experiments along highways in the Netherlands show that the system has an error rate, of 0.02% at a recognition rate of 98.51%. These results are also compared with other published CLPR-systems.
180 citations
TL;DR: It is shown that articulatory feature (AF) systems are capable of achieving a superior performance at high noise levels and that the combination of acoustic and AFs consistently leads to a significant reduction of word error rate across all acoustic conditions.
180 citations
TL;DR: This paper first presents some theoretical arguments for a close relationship between perplexity and word error rate, and the notion of uncertainty of a measurement is introduced and is then used to test the hypothesis thatword error rate and perplexity are correlated by a power law.
180 citations
TL;DR: This paper presents an approach to recognition confidence scoring and a set of techniques for integrating confidence scores into the understanding and dialogue components of a speech understanding system and demonstrates a relative reduction in concept error rate.
179 citations