1.1 本指南提供了数字图像处理指南，以确保制作高质量的法医图像，供法院用作证据。 1.2 本指南简要介绍了每个主要过程的优点、缺点和潜在局限性。 1.3 本标准不能取代通过教育、培训和经验获得的知识、技能或能力，并由具有此类学科特定知识、技能和能力的个人结合专业判断使用。 1.4 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 经过处理的图像被法医学界用于许多目的。它们可以产生原始图像中不明显的信息，这可以帮助专家得出否则可能无法得出的结论。 5.2 本指南从以下三个方面阐述了图像处理和相关法律注意事项: 5.2.1 图像增强， 5.2.2 图像恢复，以及 5.2.3 图像压缩。

1.1 This guide provides digital image processing guidelines to ensure the production of quality forensic imagery for use as evidence in a court of law. 1.2 This guide briefly describes advantages, disadvantages, and potential limitations of each major process. 1.3 This standard cannot replace knowledge, skills, or abilities acquired through education, training, and experience, and is to be used in conjunction with professional judgment by individuals with such discipline-specific knowledge, skills, and abilities. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 Processed images are used for many purposes by the forensic science community. They can yield information not readily apparent in the original image, which can assist an expert in drawing a conclusion that might not otherwise be reached. 5.2 This guide addresses image processing and related legal considerations in the following three categories: 5.2.1 Image enhancement, 5.2.2 Image restoration, and 5.2.3 Image compression.