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Journal of Korean Society for Quality Management > Volume 23(2); 1995 > Article
Journal of Korean Society for Quality Management 1995;23(2): 1-.
국내 G3 팩시밀리 화상품질에 관한 통계 분석
이성덕1, 권세혁2
1충북대학교 통계학과
2한남대학교 응용통계학과
Statistical Analysis on the Measurement of the Image Quality of G3 facsimile
Sung Duck Lee1, Sehyg Kwon2
1Dept. of statistics, Chungbuk National University
2Dept. of Applied Statistics, Hannam University
Two user groups, expert and non-expert, are sampled to measure the image quality of G3 facsimile. A ITU-TS tset chart No. 2 has been transmitted among some selected cities and evaluated by user groups. Their subjective evaluation to the image quality is quantified by Mean Opinion Score method. There is highly significant difference in the image quality between expert and non-expert. From modified logit model, it is concluded that there is no significance in two considered factors, the effects of the number of links and transmission time. The derived percent curves show that 80% of non-experts(90% of expert) is considering the image quality of G3 facsimile "fair, good, or excellent".
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