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import gradio as gr
import os.path
import numpy as np
from collections import OrderedDict
import torch
import cv2
from PIL import Image, ImageOps
import utils_image as util
from network_fbcnn import FBCNN as net
import requests
for model_path in ['fbcnn_gray.pth','fbcnn_color.pth']:
if os.path.exists(model_path):
print(f'{model_path} exists.')
else:
url = 'https://github.com/jiaxi-jiang/FBCNN/releases/download/v1.0/{}'.format(os.path.basename(model_path))
r = requests.get(url, allow_redirects=True)
open(model_path, 'wb').write(r.content)
def inference(input_img, is_gray, input_quality, enable_zoom, zoom, x_shift, y_shift, state):
if is_gray:
n_channels = 1 # set 1 for grayscale image, set 3 for color image
model_name = 'fbcnn_gray.pth'
else:
n_channels = 3 # set 1 for grayscale image, set 3 for color image
model_name = 'fbcnn_color.pth'
nc = [64,128,256,512]
nb = 4
input_quality = 100 - input_quality
model_path = model_name
if os.path.exists(model_path):
print(f'loading model from {model_path}')
else:
os.makedirs(os.path.dirname(model_path), exist_ok=True)
url = 'https://github.com/jiaxi-jiang/FBCNN/releases/download/v1.0/{}'.format(os.path.basename(model_path))
r = requests.get(url, allow_redirects=True)
open(model_path, 'wb').write(r.content)
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
# ----------------------------------------
# load model
# ----------------------------------------
if (not enable_zoom) or (state[1] is None):
model = net(in_nc=n_channels, out_nc=n_channels, nc=nc, nb=nb, act_mode='R')
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for k, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
test_results = OrderedDict()
test_results['psnr'] = []
test_results['ssim'] = []
test_results['psnrb'] = []
# ------------------------------------
# (1) img_L
# ------------------------------------
if n_channels == 1:
open_cv_image = Image.fromarray(input_img)
open_cv_image = ImageOps.grayscale(open_cv_image)
open_cv_image = np.array(open_cv_image) # PIL to open cv image
img = np.expand_dims(open_cv_image, axis=2) # HxWx1
elif n_channels == 3:
open_cv_image = np.array(input_img) # PIL to open cv image
if open_cv_image.ndim == 2:
open_cv_image = cv2.cvtColor(open_cv_image, cv2.COLOR_GRAY2RGB) # GGG
else:
open_cv_image = cv2.cvtColor(open_cv_image, cv2.COLOR_BGR2RGB) # RGB
img_L = util.uint2tensor4(open_cv_image)
img_L = img_L.to(device)
# ------------------------------------
# (2) img_E
# ------------------------------------
img_E,QF = model(img_L)
QF = 1- QF
img_E = util.tensor2single(img_E)
img_E = util.single2uint(img_E)
qf_input = torch.tensor([[1-input_quality/100]]).cuda() if device == torch.device('cuda') else torch.tensor([[1-input_quality/100]])
img_E,QF = model(img_L, qf_input)
QF = 1- QF
img_E = util.tensor2single(img_E)
img_E = util.single2uint(img_E)
if img_E.ndim == 3:
img_E = img_E[:, :, [2, 1, 0]]
print("--inference finished")
if (state[1] is not None) and enable_zoom:
img_E = state[1]
out_img = Image.fromarray(img_E)
out_img_w, out_img_h = out_img.size # output image size
zoom = zoom/100
x_shift = x_shift/100
y_shift = y_shift/100
zoom_w, zoom_h = out_img_w*zoom, out_img_h*zoom
zoom_left, zoom_right = int((out_img_w - zoom_w)*x_shift), int(zoom_w + (out_img_w - zoom_w)*x_shift)
zoom_top, zoom_bottom = int((out_img_h - zoom_h)*y_shift), int(zoom_h + (out_img_h - zoom_h)*y_shift)
if (state[0] is None) or not enable_zoom:
in_img = Image.fromarray(input_img)
state[0] = input_img
else:
in_img = Image.fromarray(state[0])
in_img = in_img.crop((zoom_left, zoom_top, zoom_right, zoom_bottom))
in_img = in_img.resize((int(zoom_w/zoom), int(zoom_h/zoom)), Image.NEAREST)
out_img = out_img.crop((zoom_left, zoom_top, zoom_right, zoom_bottom))
out_img = out_img.resize((int(zoom_w/zoom), int(zoom_h/zoom)), Image.NEAREST)
return img_E, in_img, out_img, [state[0],img_E]
gr.Interface(
fn = inference,
inputs = [gr.inputs.Image(label="Input Image"),
gr.inputs.Checkbox(label="Grayscale (Check this if your image is grayscale)"),
gr.inputs.Slider(minimum=1, maximum=100, step=1, label="Intensity (Higher = stronger JPEG artifact removal)"),
gr.inputs.Checkbox(default=False, label="Edit Zoom preview (This is optional. "
"After the image result is loaded, check this to edit zoom parameters "
"so that the input image will not be processed when the submit button is pressed.)"),
gr.inputs.Slider(minimum=10, maximum=100, step=1, default=50, label="Zoom Image "
"(Use this to see the image quality up close. "
"100 = original size)"),
gr.inputs.Slider(minimum=0, maximum=100, step=1, label="Zoom preview horizontal shift "
"(Increase to shift to the right)"),
gr.inputs.Slider(minimum=0, maximum=100, step=1, label="Zoom preview vertical shift "
"(Increase to shift downwards)"),
gr.inputs.State(default=[None,None], label="\t")
],
outputs = [gr.outputs.Image(label="Result"),
gr.outputs.Image(label="Before:"),
gr.outputs.Image(label="After:"),
"state"],
examples = [["doraemon.jpg",False,60,False,42,50,50],
["tomandjerry.jpg",False,60,False,40,57,44],
["somepanda.jpg",True,100,False,30,8,24],
["cemetry.jpg",False,70,False,20,76,62],
["michelangelo_david.jpg",True,30,False,12,53,27],
["elon_musk.jpg",False,45,False,15,33,30],
["text.jpg",True,70,False,50,11,29]],
title = "JPEG Artifacts Removal [FBCNN]",
description = "Gradio Demo for JPEG Artifacts Removal. To use it, simply upload your image, "
"or click one of the examples to load them. Check out the paper and the original GitHub repo at the link below. "
"JPEG artifacts are noticeable distortion of images caused by JPEG lossy compression. "
"This is not a super resolution AI but a JPEG compression artifact remover.",
article = "<p style='text-align: center;'><a href='https://github.com/jiaxi-jiang/FBCNN'>FBCNN GitHub Repo</a><br>"
"<a href='https://arxiv.org/abs/2109.14573'>Towards Flexible Blind JPEG Artifacts Removal (FBCNN, ICCV 2021)</a></p>",
allow_flagging="never"
).launch(enable_queue=True) |