jpeg artifacts
A kind of compression artifact.
Prevalent in images uploaded from Twitter and Facebook.
These can be either blockiness or mosquito noise and are usually seen in areas with high contrast, such as near lines. If in doubt, refer to some of the images with this tag.
This tag should be used for images where these artifacts are noticeable when viewed normally, without zooming in or enhancing the contrast.
Example
另请参见
External links
- "Wikipedia: Compression artifact": http://en.wikipedia.org/wiki/Compression_artifact
The following tags are aliased to this tag: jpeg_artefacts and jpg_artifacts (learn more).
这些可能是块状噪声或蚊式噪声，通常出现在高对比度区域，例如近线。如有疑问，请参阅带有此标签的一些图像。
此标签应用于正常查看时这些伪影很明显的图像，无需放大或增强对比度。
此标签应用于正常查看时这些伪影很明显的图像，无需放大或增强对比度。