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Add Embiggen automation to upscale-cut-img2img-stitch and achieve high res without extra VRAM (#437)

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* Add Embiggen automation

* Make embiggen_tiles masking more intelligent and count from one (at least for the user), rewrite sections of Embiggen README, fix various typos throughout README

* drop duplicate log message
This commit is contained in:
Travco
2022-09-12 15:37:26 -04:00
committed by GitHub
parent 1c649e4663
commit dbf2c63c90
6 changed files with 443 additions and 4 deletions
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16
scripts/dream.py
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@ -631,7 +631,7 @@ def create_cmd_parser():
nargs='+',
default=None,
type=float,
help='Scale factor (2, 4) for upscaling followed by upscaling strength (0-1.0). If strength not specified, defaults to 0.75'
help='Scale factor (2, 4) for upscaling final output followed by upscaling strength (0-1.0). If strength not specified, defaults to 0.75'
)
parser.add_argument(
'-save_orig',
@ -639,6 +639,20 @@ def create_cmd_parser():
action='store_true',
help='Save original. Use it when upscaling to save both versions.',
)
parser.add_argument(
'-embiggen',
nargs='+',
default=None,
type=float,
help='Embiggen tiled img2img for higher resolution and detail without extra VRAM usage. Takes scale factor relative to the size of the --init_img (-I), followed by ESRGAN upscaling strength (0-1.0), followed by minimum amount of overlap between tiles as a decimal ratio (0 - 1.0) or number of pixels. ESRGAN strength defaults to 0.75, and overlap defaults to 0.25 . ESRGAN is used to upscale the init prior to cutting it into tiles/pieces to run through img2img and then stitch back togeather.',
)
parser.add_argument(
'-embiggen_tiles',
nargs='+',
default=None,
type=int,
help='If while doing Embiggen we are altering only parts of the image, takes a list of tiles by number to process and replace onto the image e.g. `1 3 5`, useful for redoing problematic spots from a prior Embiggen run',
)
# variants is going to be superseded by a generalized "prompt-morph" function
# parser.add_argument('-v','--variants',type=int,help="in img2img mode, the first generated image will get passed back to img2img to generate the requested number of variants")
parser.add_argument(