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import gradio as gr | |
from transformers import AutoProcessor, AutoModelForCausalLM | |
import requests | |
import copy | |
from PIL import Image, ImageDraw, ImageFont | |
import io | |
import matplotlib.pyplot as plt | |
import matplotlib.patches as patches | |
import random | |
import numpy as np | |
import os | |
import subprocess | |
from unittest.mock import patch | |
from transformers.dynamic_module_utils import get_imports | |
def fixed_get_imports(filename: str | os.PathLike) -> list[str]: | |
if not str(filename).endswith("modeling_florence2.py"): | |
return get_imports(filename) | |
imports = get_imports(filename) | |
imports.remove("flash_attn") | |
return imports | |
with patch("transformers.dynamic_module_utils.get_imports", fixed_get_imports): | |
models = { | |
'microsoft/Florence-2-base-ft': AutoModelForCausalLM.from_pretrained('microsoft/Florence-2-base-ft', trust_remote_code=True, device_map='cpu'), | |
'microsoft/Florence-2-base': AutoModelForCausalLM.from_pretrained('microsoft/Florence-2-base', trust_remote_code=True, device_map='cpu'), | |
} | |
processors = { | |
'microsoft/Florence-2-base-ft': AutoProcessor.from_pretrained('microsoft/Florence-2-base-ft', trust_remote_code=True), | |
'microsoft/Florence-2-base': AutoProcessor.from_pretrained('microsoft/Florence-2-base', trust_remote_code=True), | |
} | |
DESCRIPTION = "# [Florence-2 Demo](https://huggingface.co/microsoft/Florence-2-base)" | |
colormap = ['blue','orange','green','purple','brown','pink','gray','olive','cyan','red', | |
'lime','indigo','violet','aqua','magenta','coral','gold','tan','skyblue'] | |
def fig_to_pil(fig): | |
buf = io.BytesIO() | |
fig.savefig(buf, format='png') | |
buf.seek(0) | |
return Image.open(buf) | |
def run_example(task_prompt, image, text_input=None, model_id='microsoft/Florence-2-base'): | |
model = models[model_id] | |
processor = processors[model_id] | |
if text_input is None: | |
prompt = task_prompt | |
else: | |
prompt = task_prompt + text_input | |
inputs = processor(text=prompt, images=image, return_tensors="pt") | |
generated_ids = model.generate( | |
input_ids=inputs["input_ids"], | |
pixel_values=inputs["pixel_values"], | |
max_new_tokens=1024, | |
early_stopping=False, | |
do_sample=False, | |
num_beams=3, | |
) | |
generated_text = processor.batch_decode(generated_ids, skip_special_tokens=False)[0] | |
parsed_answer = processor.post_process_generation( | |
generated_text, | |
task=task_prompt, | |
image_size=(image.width, image.height) | |
) | |
return parsed_answer | |
def plot_bbox(image, data): | |
fig, ax = plt.subplots() | |
ax.imshow(image) | |
for bbox, label in zip(data['bboxes'], data['labels']): | |
x1, y1, x2, y2 = bbox | |
rect = patches.Rectangle((x1, y1), x2-x1, y2-y1, linewidth=1, edgecolor='r', facecolor='none') | |
ax.add_patch(rect) | |
plt.text(x1, y1, label, color='white', fontsize=8, bbox=dict(facecolor='red', alpha=0.5)) | |
ax.axis('off') | |
return fig | |
def draw_polygons(image, prediction, fill_mask=False): | |
draw = ImageDraw.Draw(image) | |
scale = 1 | |
for polygons, label in zip(prediction['polygons'], prediction['labels']): | |
color = random.choice(colormap) | |
fill_color = random.choice(colormap) if fill_mask else None | |
for _polygon in polygons: | |
_polygon = np.array(_polygon).reshape(-1, 2) | |
if len(_polygon) < 3: | |
print('Invalid polygon:', _polygon) | |
continue | |
_polygon = (_polygon * scale).reshape(-1).tolist() | |
if fill_mask: | |
draw.polygon(_polygon, outline=color, fill=fill_color) | |
else: | |
draw.polygon(_polygon, outline=color) | |
draw.text((_polygon[0] + 8, _polygon[1] + 2), label, fill=color) | |
return image | |
def convert_to_od_format(data): | |
bboxes = data.get('bboxes', []) | |
labels = data.get('bboxes_labels', []) | |
od_results = { | |
'bboxes': bboxes, | |
'labels': labels | |
} | |
return od_results | |
def draw_ocr_bboxes(image, prediction): | |
scale = 1 | |
draw = ImageDraw.Draw(image) | |
bboxes, labels = prediction['quad_boxes'], prediction['labels'] | |
for box, label in zip(bboxes, labels): | |
color = random.choice(colormap) | |
new_box = (np.array(box) * scale).tolist() | |
draw.polygon(new_box, width=3, outline=color) | |
draw.text((new_box[0]+8, new_box[1]+2), | |
"{}".format(label), | |
align="right", | |
fill=color) | |
return image | |
def process_image(image, task_prompt, text_input=None, model_id='microsoft/Florence-2-base'): | |
image = Image.fromarray(image) # Convert NumPy array to PIL Image | |
if task_prompt == 'Caption': | |
task_prompt = '<CAPTION>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
return results, None | |
elif task_prompt == 'Detailed Caption': | |
task_prompt = '<DETAILED_CAPTION>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
return results, None | |
elif task_prompt == 'More Detailed Caption': | |
task_prompt = '<MORE_DETAILED_CAPTION>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
return results, None | |
elif task_prompt == 'Caption + Grounding': | |
task_prompt = '<CAPTION>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
text_input = results[task_prompt] | |
task_prompt = '<CAPTION_TO_PHRASE_GROUNDING>' | |
results = run_example(task_prompt, image, text_input, model_id) | |
results['<CAPTION>'] = text_input | |
fig = plot_bbox(image, results['<CAPTION_TO_PHRASE_GROUNDING>']) | |
return results, fig_to_pil(fig) | |
elif task_prompt == 'Detailed Caption + Grounding': | |
task_prompt = '<DETAILED_CAPTION>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
text_input = results[task_prompt] | |
task_prompt = '<CAPTION_TO_PHRASE_GROUNDING>' | |
results = run_example(task_prompt, image, text_input, model_id) | |
results['<DETAILED_CAPTION>'] = text_input | |
fig = plot_bbox(image, results['<CAPTION_TO_PHRASE_GROUNDING>']) | |
return results, fig_to_pil(fig) | |
elif task_prompt == 'More Detailed Caption + Grounding': | |
task_prompt = '<MORE_DETAILED_CAPTION>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
text_input = results[task_prompt] | |
task_prompt = '<CAPTION_TO_PHRASE_GROUNDING>' | |
results = run_example(task_prompt, image, text_input, model_id) | |
results['<MORE_DETAILED_CAPTION>'] = text_input | |
fig = plot_bbox(image, results['<CAPTION_TO_PHRASE_GROUNDING>']) | |
return results, fig_to_pil(fig) | |
elif task_prompt == 'Object Detection': | |
task_prompt = '<OD>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
fig = plot_bbox(image, results['<OD>']) | |
return results, fig_to_pil(fig) | |
elif task_prompt == 'Dense Region Caption': | |
task_prompt = '<DENSE_REGION_CAPTION>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
fig = plot_bbox(image, results['<DENSE_REGION_CAPTION>']) | |
return results, fig_to_pil(fig) | |
elif task_prompt == 'Region Proposal': | |
task_prompt = '<REGION_PROPOSAL>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
fig = plot_bbox(image, results['<REGION_PROPOSAL>']) | |
return results, fig_to_pil(fig) | |
elif task_prompt == 'Caption to Phrase Grounding': | |
task_prompt = '<CAPTION_TO_PHRASE_GROUNDING>' | |
results = run_example(task_prompt, image, text_input, model_id) | |
fig = plot_bbox(image, results['<CAPTION_TO_PHRASE_GROUNDING>']) | |
return results, fig_to_pil(fig) | |
elif task_prompt == 'Referring Expression Segmentation': | |
task_prompt = '<REFERRING_EXPRESSION_SEGMENTATION>' | |
results = run_example(task_prompt, image, text_input, model_id) | |
output_image = copy.deepcopy(image) | |
output_image = draw_polygons(output_image, results['<REFERRING_EXPRESSION_SEGMENTATION>'], fill_mask=True) | |
return results, output_image | |
elif task_prompt == 'Region to Segmentation': | |
task_prompt = '<REGION_TO_SEGMENTATION>' | |
results = run_example(task_prompt, image, text_input, model_id) | |
output_image = copy.deepcopy(image) | |
output_image = draw_polygons(output_image, results['<REGION_TO_SEGMENTATION>'], fill_mask=True) | |
return results, output_image | |
elif task_prompt == 'Open Vocabulary Detection': | |
task_prompt = '<OPEN_VOCABULARY_DETECTION>' | |
results = run_example(task_prompt, image, text_input, model_id) | |
bbox_results = convert_to_od_format(results['<OPEN_VOCABULARY_DETECTION>']) | |
fig = plot_bbox(image, bbox_results) | |
return results, fig_to_pil(fig) | |
elif task_prompt == 'Region to Category': | |
task_prompt = '<REGION_TO_CATEGORY>' | |
results = run_example(task_prompt, image, text_input, model_id) | |
return results, None | |
elif task_prompt == 'Region to Description': | |
task_prompt = '<REGION_TO_DESCRIPTION>' | |
results = run_example(task_prompt, image, text_input, model_id) | |
return results, None | |
elif task_prompt == 'OCR': | |
task_prompt = '<OCR>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
return results, None | |
elif task_prompt == 'OCR with Region': | |
task_prompt = '<OCR_WITH_REGION>' | |
results = run_example(task_prompt, image, model_id=model_id) | |
output_image = copy.deepcopy(image) | |
output_image = draw_ocr_bboxes(output_image, results['<OCR_WITH_REGION>']) | |
return results, output_image | |
else: | |
return "", None # Return empty string and None for unknown task prompts | |
css = """ | |
#output { | |
height: 500px; | |
overflow: auto; | |
border: 1px solid #ccc; | |
} | |
""" | |
single_task_list =[ | |
'Caption', 'Detailed Caption', 'More Detailed Caption', 'Object Detection', | |
'Dense Region Caption', 'Region Proposal', 'Caption to Phrase Grounding', | |
'Referring Expression Segmentation', 'Region to Segmentation', | |
'Open Vocabulary Detection', 'Region to Category', 'Region to Description', | |
'OCR', 'OCR with Region' | |
] | |
cascased_task_list =[ | |
'Caption + Grounding', 'Detailed Caption + Grounding', 'More Detailed Caption + Grounding' | |
] | |
def update_task_dropdown(choice): | |
if choice == 'Cascased task': | |
return gr.Dropdown(choices=cascased_task_list, value='Caption + Grounding') | |
else: | |
return gr.Dropdown(choices=single_task_list, value='Caption') | |
with gr.Blocks(css=css) as demo: | |
gr.Markdown(DESCRIPTION) | |
with gr.Tab(label="Florence-2 Image Captioning"): | |
with gr.Row(): | |
with gr.Column(): | |
input_img = gr.Image(label="Input Picture") | |
model_selector = gr.Dropdown(choices=list(models.keys()), label="Model", value='microsoft/Florence-2-base') | |
task_type = gr.Radio(choices=['Single task', 'Cascased task'], label='Task type selector', value='Single task') | |
task_prompt = gr.Dropdown(choices=single_task_list, label="Task Prompt", value="Caption") | |
task_type.change(fn=update_task_dropdown, inputs=task_type, outputs=task_prompt) | |
text_input = gr.Textbox(label="Text Input (optional)") | |
submit_btn = gr.Button(value="Submit") | |
with gr.Column(): | |
output_text = gr.Textbox(label="Output Text") | |
output_img = gr.Image(label="Output Image") | |
gr.Examples( | |
examples=[ | |
["image1.jpg", 'Object Detection'], | |
["image2.jpg", 'OCR with Region'] | |
], | |
inputs=[input_img, task_prompt], | |
outputs=[output_text, output_img], | |
fn=process_image, | |
cache_examples=True, | |
label='Try examples' | |
) | |
submit_btn.click(process_image, [input_img, task_prompt, text_input, model_selector], [output_text, output_img]) | |
demo.launch(debug=True) |