OpenEXR
https://gyazo.com/19379df4f512fc9f70edc47b61c4a2df
圧縮
参考
可逆（Lossless）
None
Disables all compression.
This is a basic form of compression that is comparable to that used by standard Targa files.
Zip (per scanline)
deflate compression with zlib wrapper applied to individual scanlines (not based on the ZIP file format despite its name). Zip (16 scanline blocks)
deflate compression applied to blocks of 16 scanlines at time. This tends to be the most effective style of compression to use with rendered images that do not have film grain applied. PIZ (wavelet compression)
This lossless method uses a new combined wavelet / Huffman compression(ハフマン符号). This form of compression is quite effective when dealing with grainy images, and will often surpass any of the other options under grainy conditions. PXR24 (24-bit data conversion then deflate compression)
This form of compression from Pixar Animation Studios converts 32-bit floats to 24 bits then uses deflate compression. It is lossless for half and 32-bit integer data and slightly lossy for 32-bit float data. slightly lossy for 32-bit float data.ではあるyozba.icon
非可逆（Lossy）
B44
This form of compression is lossy for half data and stores 32-bit data uncompressed. It maintains a fixed compression size of either 2.28:1 or 4.57:1 and is designed for realtime playback. B44 compresses uniformly regardless of image content.
B44A
An extension to B44 where areas of flat color are further compressed, such as alpha channels.
DWAA
JPEG-like lossy compression format contributed by DreamWorks Animation. Compresses 32 scanlines together. DWAB
Same as DWAA, but compresses blocks of 256 scanlines.