GIF stands for "Graphics Interchange Format" and employs the same lossless LZW compression that TIFF images use.

GIF代表“图形交换格式”并使用TIFF(标记图像文件格式)图像相同的无损耗lzw压缩。

youdao

Unity takes care of compression for the output platform, so unless your source is already a JPG of the correct resolution it's better to use a lossless format for your textures.

Unity能很好压缩其他软件输出的文件格式，所以除非你已经是一个正确分辨率的JPG文件否则最好使用无损格式的纹理（不要手动进行压缩）。

youdao

The RAW data format provides pure data for high-resolution images, and uses lossless compression for more compact, yet uncompromised, data files.

ENGADGET: Sigma DP3 Merrill packs a Foveon X3 sensor and a fixed F2.8, 75mm-equivalent lens