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112 lines
3.1 KiB
Python
112 lines
3.1 KiB
Python
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from gimpfu import *
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import sys
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sys.path.extend([baseLoc+'gimpenv/lib/python2.7',baseLoc+'gimpenv/lib/python2.7/site-packages',baseLoc+'gimpenv/lib/python2.7/site-packages/setuptools',baseLoc+'neural-colorization'])
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import torch
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from model import generator
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from torch.autograd import Variable
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from scipy.ndimage import zoom
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from PIL import Image
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from argparse import Namespace
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import numpy as np
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from skimage.color import rgb2yuv,yuv2rgb
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def getcolor(input_image):
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p = np.repeat(input_image, 3, axis=2)
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if torch.cuda.is_available():
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g_available=1
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else:
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g_available=-1
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args=Namespace(model=baseLoc+'neural-colorization/model.pth',gpu=g_available)
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G = generator()
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if torch.cuda.is_available():
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G=G.cuda()
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G.load_state_dict(torch.load(args.model))
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else:
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G.load_state_dict(torch.load(args.model,map_location=torch.device('cpu')))
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img_yuv = rgb2yuv(p)
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H,W,_ = img_yuv.shape
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infimg = np.expand_dims(np.expand_dims(img_yuv[...,0], axis=0), axis=0)
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img_variable = Variable(torch.Tensor(infimg-0.5))
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if args.gpu>=0:
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img_variable=img_variable.cuda(args.gpu)
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res = G(img_variable)
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uv=res.cpu().detach().numpy()
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uv[:,0,:,:] *= 0.436
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uv[:,1,:,:] *= 0.615
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(_,_,H1,W1) = uv.shape
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uv = zoom(uv,(1,1,float(H)/H1,float(W)/W1))
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yuv = np.concatenate([infimg,uv],axis=1)[0]
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rgb=yuv2rgb(yuv.transpose(1,2,0))
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out=(rgb.clip(min=0,max=1)*255)[:,:,[0,1,2]]
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out=out.astype(np.uint8)
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return out
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def channelData(layer):#convert gimp image to numpy
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region=layer.get_pixel_rgn(0, 0, layer.width,layer.height)
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pixChars=region[:,:] # Take whole layer
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bpp=region.bpp
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# return np.frombuffer(pixChars,dtype=np.uint8).reshape(len(pixChars)/bpp,bpp)
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return np.frombuffer(pixChars,dtype=np.uint8).reshape(layer.height,layer.width,bpp)
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def createResultLayer(image,name,result):
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rlBytes=np.uint8(result).tobytes();
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rl=gimp.Layer(image,name,image.width,image.height,image.active_layer.type,100,NORMAL_MODE)
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region=rl.get_pixel_rgn(0, 0, rl.width,rl.height,True)
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region[:,:]=rlBytes
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image.add_layer(rl,0)
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gimp.displays_flush()
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def genNewImg(name,layer_np):
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h,w,d=layer_np.shape
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img=pdb.gimp_image_new(w, h, RGB)
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display=pdb.gimp_display_new(img)
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rlBytes=np.uint8(layer_np).tobytes();
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rl=gimp.Layer(img,name,img.width,img.height,RGB,100,NORMAL_MODE)
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region=rl.get_pixel_rgn(0, 0, rl.width,rl.height,True)
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region[:,:]=rlBytes
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pdb.gimp_image_insert_layer(img, rl, None, 0)
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gimp.displays_flush()
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def colorize(img, layer) :
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gimp.progress_init("Coloring " + layer.name + "...")
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imgmat = channelData(layer)
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cpy=getcolor(imgmat)
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genNewImg(layer.name+'_colored',cpy)
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register(
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"colorize",
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"colorize",
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"Generate monocular disparity map based on deep learning.",
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"Kritik Soman",
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"Your",
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"2020",
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"colorize...",
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"*", # Alternately use RGB, RGB*, GRAY*, INDEXED etc.
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[ (PF_IMAGE, "image", "Input image", None),
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(PF_DRAWABLE, "drawable", "Input drawable", None),
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],
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[],
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colorize, menu="<Image>/Layer/GIML-ML")
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main()
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