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
The following tags are aliased to this tag: jpeg_artefacts and jpg_artifacts (learn more).
这些可以是块状或蚊子的噪音，通常在较高对比的区域（例如近线）中看到。如有疑问，请参阅带有此标签的一些图像。
该标签应用于正常观看时这些伪像的图像，而无需放大或增强对比度。
该标签应用于正常观看时这些伪像的图像，而无需放大或增强对比度。