Effect of image compression on telepathology. A randomized clinical trial.
作者： Paul Fontelo , Alvin Marcelo , Miguel Farolan , Hernani Cualing
DOI: 10.1043/0003-9985(2000)124<1653:EOICOT>2.0.CO;2
关键词: Context (language use) 、 Telemedicine 、 Pathology 、 Image quality 、 Medicine 、 JPEG 、 Medical physics 、 Telepathology 、 Image compression 、 Data compression 、 Confidence interval
摘要: Context For practitioners deploying store-and-forward telepathology systems, optimization methods such as image compression need to be studied. Objective To determine if Joint Photographic Expert Group (JPG or JPEG) compression, a glossy algorithm, negatively affects the accuracy of diagnosis in telepathology. Design Double-blind, randomized, controlled trial. Setting University-based pathology departments. Participants Resident and staff pathologists at University Illinois, Chicago, Cincinnati, Ohio. Intervention Compression raw images using JPEG algorithm. Main outcome measures Image acceptability, diagnosis, confidence level pathologist, quality. Results There was no statistically significant difference diagnostic between noncompressed (bit map) compressed (JPG) images. were also differences level, perception Additionally, rater experience did not significantly correlate with degree accuracy. Conclusions providers practicing telepathology, JPG does affect diagnosis. The acceptability quality affected.
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