GIMP-ML/gimp-plugins/deepmatting.py
Kritik Soman 001b95d59d CPUButton
2020-09-20 18:55:54 +05:30

111 lines
3.4 KiB
Python
Executable File

import os
baseLoc = os.path.dirname(os.path.realpath(__file__))+'/'
from gimpfu import *
import sys
sys.path.extend([baseLoc+'gimpenv/lib/python2.7',baseLoc+'gimpenv/lib/python2.7/site-packages',baseLoc+'gimpenv/lib/python2.7/site-packages/setuptools',baseLoc+'pytorch-deep-image-matting'])
import torch
from argparse import Namespace
import net
import cv2
import os
import numpy as np
from deploy import inference_img_whole
def channelData(layer):#convert gimp image to numpy
region=layer.get_pixel_rgn(0, 0, layer.width,layer.height)
pixChars=region[:,:] # Take whole layer
bpp=region.bpp
# return np.frombuffer(pixChars,dtype=np.uint8).reshape(len(pixChars)/bpp,bpp)
return np.frombuffer(pixChars,dtype=np.uint8).reshape(layer.height,layer.width,bpp)
def createResultLayer(image,name,result):
rlBytes=np.uint8(result).tobytes();
rl=gimp.Layer(image,name,image.width,image.height,1,100,NORMAL_MODE)#image.active_layer.type or RGB_IMAGE
region=rl.get_pixel_rgn(0, 0, rl.width,rl.height,True)
region[:,:]=rlBytes
image.add_layer(rl,0)
gimp.displays_flush()
def getnewalpha(image,mask,cFlag):
if image.shape[2] == 4: # get rid of alpha channel
image = image[:,:,0:3]
if mask.shape[2] == 4: # get rid of alpha channel
mask = mask[:,:,0:3]
image = cv2.cvtColor(image,cv2.COLOR_RGB2BGR)
trimap = mask[:, :, 0]
cudaFlag = False
if torch.cuda.is_available() and not cFlag:
cudaFlag = True
args = Namespace(crop_or_resize='whole', cuda=cudaFlag, max_size=1600, resume=baseLoc+'weights/deepmatting/stage1_sad_57.1.pth', stage=1)
model = net.VGG16(args)
if cudaFlag:
ckpt = torch.load(args.resume)
else:
ckpt = torch.load(args.resume,map_location=torch.device("cpu"))
model.load_state_dict(ckpt['state_dict'], strict=True)
if cudaFlag:
model = model.cuda()
# ckpt = torch.load(args.resume)
# model.load_state_dict(ckpt['state_dict'], strict=True)
# model = model.cuda()
torch.cuda.empty_cache()
with torch.no_grad():
pred_mattes = inference_img_whole(args, model, image, trimap)
pred_mattes = (pred_mattes * 255).astype(np.uint8)
pred_mattes[trimap == 255] = 255
pred_mattes[trimap == 0] = 0
# pred_mattes = np.repeat(pred_mattes[:, :, np.newaxis], 3, axis=2)
image = cv2.cvtColor(image,cv2.COLOR_BGR2RGB)
pred_mattes = np.dstack((image,pred_mattes))
return pred_mattes
def deepmatting(imggimp, curlayer,layeri,layerm,cFlag) :
if torch.cuda.is_available() and not cFlag:
gimp.progress_init("(Using GPU) Running deep-matting for " + layeri.name + "...")
else:
gimp.progress_init("(Using CPU) Running deep-matting for " + layeri.name + "...")
img = channelData(layeri)
mask = channelData(layerm)
cpy=getnewalpha(img,mask,cFlag)
createResultLayer(imggimp,'new_output',cpy)
register(
"deep-matting",
"deep-matting",
"Running image matting.",
"Kritik Soman",
"Your",
"2020",
"deepmatting...",
"*", # Alternately use RGB, RGB*, GRAY*, INDEXED etc.
[ (PF_IMAGE, "image", "Input image", None),
(PF_DRAWABLE, "drawable", "Input drawable", None),
(PF_LAYER, "drawinglayer", "Original Image:", None),
(PF_LAYER, "drawinglayer", "Trimap Mask:", None),
(PF_BOOL, "fcpu", "Force CPU", False)
],
[],
deepmatting, menu="<Image>/Layer/GIML-ML")
main()