标准摘要
[中文适用范围]: 本技术规范规范了用于显示器和显示系统的轻量编码系统的评估和分级,但与显示技术无关。该程序测量观察者是否能够以预定的、具有统计意义的标准区分未压缩的参考图像和重建图像。该程序使用两种可能的强制选择比较测试方法比较单个图像。该程序依赖于主观评估方法,旨在识别任何技术或尺寸的电子彩色显示器上的图像缺陷。测试特定编码系统的图像选择对程序产生的结果有影响,但测试所需的特定图像不在本规范范围内,不包括描述自测认证的参考性附录。不同最终用途产品的图像类别可能有所不同。例如,与电视制造商相关的内容可能与计算机制造商无关。由于该程序作为视觉心理物理测试的性质,观察者的年龄被视为结果的重要参数。 [外文原描述]: ISO/IEC 29170-2:2015 normalizes evaluation and grading of a light coding system used for displays and display systems, but is independent of the display technology. This procedure measures whether an observer can distinguish between an uncompressed reference and the reconstructed image to a pre-determined, statistically meaningful level. The procedure compares individual images with two possible forced choice comparison test methods. This procedure relies on subjective evaluation methods designed to discern image imperfections on electronic colour displays of any technology or size.
英文名称Information technology - Advanced image coding and evaluation - Part 2: Evaluation procedure for nearly lossless coding