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import gradio as gr
from PIL import Image, ImageDraw, ImageFont
import scipy.io.wavfile as wavfile
from transformers import pipeline
narrator = pipeline("text-to-speech",
model="kakao-enterprise/vits-ljs")
object_detector = pipeline("object-detection",
model="facebook/detr-resnet-50")
def generate_audio(text):
# Generate the narrated text
narrated_text = narrator(text)
# Save the audio to a WAV file
wavfile.write("output.wav", rate=narrated_text["sampling_rate"],
data=narrated_text["audio"][0])
# Return the path to the saved audio file
return "output.wav"
def read_objects(detection_objects):
# Initialize counters for each object label
object_counts = {}
# Count the occurrences of each label
for detection in detection_objects:
label = detection['label']
if label in object_counts:
object_counts[label] += 1
else:
object_counts[label] = 1
# Generate the response string
response = "This picture contains"
labels = list(object_counts.keys())
for i, label in enumerate(labels):
response += f" {object_counts[label]} {label}"
if object_counts[label] > 1:
response += "s"
if i < len(labels) - 2:
response += ","
elif i == len(labels) - 2:
response += " and"
response += "."
return response
def draw_bounding_boxes(image, detections, font_path=None, font_size=20):
"""
Draws bounding boxes on the given image based on the detections.
:param image: PIL.Image object
:param detections: List of detection results, where each result is a dictionary containing
'score', 'label', and 'box' keys. 'box' itself is a dictionary with 'xmin',
'ymin', 'xmax', 'ymax'.
:param font_path: Path to the TrueType font file to use for text.
:param font_size: Size of the font to use for text.
:return: PIL.Image object with bounding boxes drawn.
"""
# Make a copy of the image to draw on
draw_image = image.copy()
draw = ImageDraw.Draw(draw_image)
# Load custom font or default font if path not provided
if font_path:
font = ImageFont.truetype(font_path, font_size)
else:
# When font_path is not provided, load default font but it's size is fixed
font = ImageFont.load_default()
# Increase font size workaround by using a TTF font file, if needed, can download and specify the path
for detection in detections:
box = detection['box']
xmin = box['xmin']
ymin = box['ymin']
xmax = box['xmax']
ymax = box['ymax']
# Draw the bounding box
draw.rectangle([(xmin, ymin), (xmax, ymax)], outline="red", width=3)
# Optionally, you can also draw the label and score
label = detection['label']
score = detection['score']
text = f"{label} {score:.2f}"
# Draw text with background rectangle for visibility
if font_path: # Use the custom font with increased size
text_size = draw.textbbox((xmin, ymin), text, font=font)
else:
# Calculate text size using the default font
text_size = draw.textbbox((xmin, ymin), text)
draw.rectangle([(text_size[0], text_size[1]), (text_size[2], text_size[3])], fill="red")
draw.text((xmin, ymin), text, fill="white", font=font)
return draw_image
def detect_object(image):
raw_image = image
output = object_detector(raw_image)
processed_image = draw_bounding_boxes(raw_image, output)
natural_text = read_objects(output)
processed_audio = generate_audio(natural_text)
return processed_image, processed_audio
demo = gr.Interface(fn=detect_object,
inputs=[gr.Image(label="Select Image",type="pil")],
outputs=[gr.Image(label="Processed Image", type="pil"), gr.Audio(label="Generated Audio")],
title= "Audio Described Object Detector",
description="THIS APPLICATION WILL BE USED TO HIGHLIGHT OBJECTS AND GIVES AUDIO DESCRIPTION FOR THE PROVIDED INPUT IMAGE.")
demo.launch() |