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# -*- encoding: utf-8 -*-
import os
os.system('pip install -r requirements.txt')
import math
import random
from pathlib import Path
import time
import cv2
import gradio as gr
from rapidocr_onnxruntime import TextSystem
import numpy as np
from PIL import Image, ImageDraw, ImageFont
text_sys = TextSystem('config.yaml')
def draw_ocr_box_txt(image, boxes, txts, font_path,
scores=None, text_score=0.5):
if not Path(font_path).exists():
raise FileNotFoundError(f'The {font_path} does not exists! \n'
f'Please download the file in the https://drive.google.com/file/d/1evWVX38EFNwTq_n5gTFgnlv8tdaNcyIA/view?usp=sharing')
h, w = image.height, image.width
img_left = image.copy()
img_right = Image.new('RGB', (w, h), (255, 255, 255))
random.seed(0)
draw_left = ImageDraw.Draw(img_left)
draw_right = ImageDraw.Draw(img_right)
for idx, (box, txt) in enumerate(zip(boxes, txts)):
if scores is not None and scores[idx] < text_score:
continue
color = (random.randint(0, 255),
random.randint(0, 255),
random.randint(0, 255))
draw_left.polygon(box, fill=color)
draw_right.polygon([box[0][0], box[0][1],
box[1][0], box[1][1],
box[2][0], box[2][1],
box[3][0], box[3][1]],
outline=color)
box_height = math.sqrt((box[0][0] - box[3][0])**2
+ (box[0][1] - box[3][1])**2)
box_width = math.sqrt((box[0][0] - box[1][0])**2
+ (box[0][1] - box[1][1])**2)
if box_height > 2 * box_width:
font_size = max(int(box_width * 0.9), 10)
font = ImageFont.truetype(font_path, font_size,
encoding="utf-8")
cur_y = box[0][1]
for c in txt:
char_size = font.getsize(c)
draw_right.text((box[0][0] + 3, cur_y), c,
fill=(0, 0, 0), font=font)
cur_y += char_size[1]
else:
font_size = max(int(box_height * 0.8), 10)
font = ImageFont.truetype(font_path, font_size, encoding="utf-8")
draw_right.text([box[0][0], box[0][1]], txt,
fill=(0, 0, 0), font=font)
img_left = Image.blend(image, img_left, 0.5)
img_show = Image.new('RGB', (w * 2, h), (255, 255, 255))
img_show.paste(img_left, (0, 0, w, h))
img_show.paste(img_right, (w, 0, w * 2, h))
return np.array(img_show)
def visualize(image_path, boxes, rec_res, font_path="resources/fonts/FZYTK.TTF"):
image = Image.open(image_path)
txts = [rec_res[i][0] for i in range(len(rec_res))]
scores = [rec_res[i][1] for i in range(len(rec_res))]
draw_img = draw_ocr_box_txt(image, boxes,
txts, font_path,
scores,
text_score=0.5)
draw_img_save = Path("./inference_results/")
if not draw_img_save.exists():
draw_img_save.mkdir(parents=True, exist_ok=True)
time_stamp = time.strftime('%Y-%m-%d-%H-%M-%S', time.localtime(time.time()))
image_save = str(draw_img_save / f'{time_stamp}_{Path(image_path).name}')
cv2.imwrite(image_save, draw_img[:, :, ::-1])
return image_save
def inference(img):
img_path = img.name
img = cv2.imread(img_path)
dt_boxes, rec_res = text_sys(img)
img_save_path = visualize(img_path, dt_boxes, rec_res)
return img_save_path, rec_res
title = 'Rapid🗲OCR Demo (捷智OCR)'
description = 'Gradio demo for RapidOCR. Github Repo: https://github.com/RapidAI/RapidOCR'
article = "<p style='text-align: center'> Completely open source, free and support offline deployment of multi-platform and multi-language OCR SDK <a href='https://github.com/RapidAI/RapidOCR'>Github Repo</a></p>"
css = ".output_image, .input_image {height: 40rem !important; width: 100% !important;}"
gr.Interface(
inference,
inputs=gr.inputs.Image(type='file', label='Input'),
outputs=[
gr.outputs.Image(type='file', label='Output_image'),
gr.outputs.Textbox(type='text', label='Output_text')
],
title=title,
description=description,
article=article,
css=css,
allow_flagging='never',
).launch(debug=True, enable_queue=True)
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