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import os
import shutil
import uuid
import cv2
import gc
import gradio as gr
import torch
from basicsr.archs.rrdbnet_arch import RRDBNet
from gfpgan.utils import GFPGANer
from realesrgan.utils import RealESRGANer
# download weights for RealESRGAN
#if not os.path.exists('model_zoo/real/RealESRGAN_x4plus.pth'):
# os.system("wget https://github.com/xinntao/Real-ESRGAN/releases/download/v0.1.0/RealESRGAN_x4plus.pth -P model_zoo/real")
#if not os.path.exists('model_zoo/gan/GFPGANv1.4.pth'):
# os.system("wget https://github.com/TencentARC/GFPGAN/releases/download/v1.3.0/GFPGANv1.4.pth -P model_zoo/gan")
#if not os.path.exists('model_zoo/swinir/003_realSR_BSRGAN_DFO_s64w8_SwinIR-M_x4_GAN.pth'):
# os.system('wget https://github.com/JingyunLiang/SwinIR/releases/download/v0.0/003_realSR_BSRGAN_DFO_s64w8_SwinIR-M_x4_GAN.pth -P model_zoo/swinir')
def inference(img, scale):
model = RRDBNet(num_in_ch=3, num_out_ch=3, num_feat=64, num_block=23, num_grow_ch=32, scale=4)
model_path = 'model_zoo/real/RealESRGAN_x4plus.pth'
netscale = 4
tile = 400 if torch.cuda.is_available() else 0
dni_weight = None
# restorer
upsampler = RealESRGANer(
scale=netscale,
model_path=model_path,
dni_weight=dni_weight,
model=model,
tile=tile,
tile_pad=10,
pre_pad=0,
half=False, #Use fp32 precision during inference. Default: fp16 (half precision).
gpu_id=None) #gpu device to use (default=None) can be 0,1,2 for multi-gpu
# background enhancer with RealESRGAN
os.makedirs('output', exist_ok=True)
if scale > 4:
scale = 4 # avoid too large scale value
try:
extension = os.path.splitext(os.path.basename(str(img)))[1]
img = cv2.imread(img, cv2.IMREAD_UNCHANGED)
if len(img.shape) == 3 and img.shape[2] == 4:
img_mode = 'RGBA'
elif len(img.shape) == 2: # for gray inputs
img_mode = None
img = cv2.cvtColor(img, cv2.COLOR_GRAY2BGR)
else:
img_mode = None
h, w = img.shape[0:2]
if h < 300 and h > 0 and w > 0:
img = cv2.resize(img, (w * 2, h * 2), interpolation=cv2.INTER_LANCZOS4)
face_enhancer = GFPGANer(
model_path='model_zoo/gan/GFPGANv1.4.pth', upscale=scale, arch='clean', channel_multiplier=2, bg_upsampler=upsampler)
_, _, output = face_enhancer.enhance(img, has_aligned=False, only_center_face=False, paste_back=True)
if scale != 2:
interpolation = cv2.INTER_AREA if scale < 2 else cv2.INTER_LANCZOS4
h, w = img.shape[0:2]
if h > 0 and w > 0:
output = cv2.resize(output, (int(w * scale / 2), int(h * scale / 2)), interpolation=interpolation)
if img_mode == 'RGBA': # RGBA images should be saved in png format
extension = 'png'
else:
extension = 'jpg'
filename = str(uuid.uuid4())
save_path = f'output/out_{filename}.{extension}'
cv2.imwrite(save_path, output)
output = cv2.cvtColor(output, cv2.COLOR_BGR2RGB)
return output, save_path
except Exception as error:
print('global exception', error)
return None, None
finally:
#clean_folder('output')
gc.collect()
if torch.cuda.is_available():
torch.cuda.empty_cache()
def clean_folder(folder):
for filename in os.listdir(folder):
file_path = os.path.join(folder, filename)
try:
if os.path.isfile(file_path) or os.path.islink(file_path):
os.unlink(file_path)
elif os.path.isdir(file_path):
shutil.rmtree(file_path)
except Exception as e:
print('Failed to delete %s. Reason: %s' % (file_path, e))
title = "Real Esrgan Restore Ai Face Restoration by appsgenz.com"
description = ""
article = "AppsGenz"
grApp = gr.Interface(
inference, [
gr.Image(type="filepath", label="Input"),
gr.Number(label="Rescaling factor. Note max rescaling factor is 4", value=2),
], [
gr.Image(type="numpy", label="Output (The whole image)"),
gr.File(label="Download the output image")
],
title=title,
description=description,
article=article)
grApp.queue(concurrency_count=2)
grApp.launch(share=False) |