Colonoscopy images

<b>Original frame image was extracted from colonoscopy video.</b> In this study, colonoscopy was performed using a high-resolution colonoscopy device (CV260SL, Olympus, Tokyo, Japan). Colonoscopy videos were acquired using a video capture card (SkyCaputre U6T, Skydigital, Yongsan, Korea), after signal branching from the CV260SL. The video was converted to an MP4 format to avoid alteration of the resolution, and the resolution was 1920*1080, 30fps. The colonoscopy video was decomposed into frames. A frame was extracted as a PNG file per 0.5 s using Virtualdub software.本数据集的原始帧图像均提取自结肠镜检查视频。本研究中，结肠镜检查采用高分辨率结肠镜设备（CV260SL，奥林巴斯（Olympus），日本东京）开展。在从CV260SL设备分出信号后，通过视频采集卡（SkyCaputre U6T，Skydigital，韩国龙山区）采集结肠镜检查视频。为避免分辨率发生变更，视频被转换为MP4格式，其分辨率为1920×1080，帧率为30fps。随后将结肠镜检查视频拆解为帧序列，使用Virtualdub软件以每0.5秒一帧的频次提取图像，并保存为PNG格式文件。