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
另請參見
External links
The following tags are aliased to this tag: jpeg_artefacts and jpg_artifacts (learn more).
這些可以是塊狀或蚊子的噪音，通常在較高對比的區域（例如近線）中看到。如有疑問，請參閱帶有此标簽的一些圖像。
該标簽應用于正常觀看時這些僞像的圖像，而無需放大或增強對比度。
該标簽應用于正常觀看時這些僞像的圖像，而無需放大或增強對比度。