human 4 intestine preparation adult 3 colonoscopy 3 controlled study 3 Article 2 Colonoscopy 2 Humans 2 aged 2 article 2 female 2 major clinical study 2 male 2 middle aged 2 randomized controlled trial 2 Adolescent 1 Adult 1 Aged 1 Algorithms 1 Buffer storage 1 Colonic Polyps 1 Computer aided diagnosis 1 Computer aided diagnosis systems 1 Computer aided instruction 1 Computer games 1 Conditional random field 1 Cross-dataset evaluation 1 Diagnosis, Computer-Assisted 1 Diseases 1 Endoscopic examination 1