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Update app.py
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app.py
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import google.generativeai as genai
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from PIL import Image
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import re
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import cv2
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import
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cv2.
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cv2.
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"
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result =
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gr.Textbox(label="
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gr.
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import google.generativeai as genai
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from PIL import Image
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import re
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import cv2
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import numpy as np
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import gradio as gr
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def parse_bounding_box(response):
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bounding_boxes = re.findall(r'\[(\d+,\s*\d+,\s*\d+,\s*\d+,\s*[\w\s]+)\]', response)
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# Convert each group into a list of integers and labels.
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parsed_boxes = []
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for box in bounding_boxes:
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parts = box.split(',')
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numbers = list(map(int, parts[:-1]))
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label = parts[-1].strip()
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parsed_boxes.append((numbers, label))
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# Return the list of bounding boxes with their labels.
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return parsed_boxes
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# Draw bounding boxes with labels.
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def draw_bounding_boxes(image, bounding_boxes_with_labels):
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label_colors = {}
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if image.mode != 'RGB':
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image = image.convert('RGB')
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image = np.array(image)
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for bounding_box, label in bounding_boxes_with_labels:
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# Normalize the bounding box coordinates
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width, height = image.shape[1], image.shape[0]
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ymin, xmin, ymax, xmax = bounding_box
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x1 = int(xmin / 1000 * width)
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y1 = int(ymin / 1000 * height)
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x2 = int(xmax / 1000 * width)
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y2 = int(ymax / 1000 * height)
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if label not in label_colors:
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color = np.random.randint(0, 256, (3,)).tolist()
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label_colors[label] = color
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else:
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color = label_colors[label]
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font = cv2.FONT_HERSHEY_SIMPLEX
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font_scale = 1
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font_thickness = 2
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box_thickness = 2
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text_size = cv2.getTextSize(label, font, font_scale, font_thickness)[0]
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text_bg_x1 = x1
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text_bg_y1 = y1 - text_size[1] - 5
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text_bg_x2 = x1 + text_size[0] + 8
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text_bg_y2 = y1
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cv2.rectangle(image, (text_bg_x1, text_bg_y1), (text_bg_x2, text_bg_y2), color, -1)
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cv2.putText(image, label, (x1 + 2, y1 - 5), font, font_scale, (255, 255, 255), font_thickness)
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cv2.rectangle(image, (x1, y1), (x2, y2), color, box_thickness)
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image = Image.fromarray(image)
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return image
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def detect_objects(api_key, prompt, input_image):
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genai.configure(api_key=api_key)
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img = Image.open(input_image)
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model = genai.GenerativeModel(model_name='gemini-1.5-pro')
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response = model.generate_content([
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img,
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(
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f"Return bounding boxes for {prompt} in the image in the following format as"
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" a list. \n [ymin, xmin, ymax, xmax, object_name]. "
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),
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])
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result = response.text
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result = result[result.find('-'):].strip()
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bounding_box = parse_bounding_box(result)
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output = draw_bounding_boxes(img, bounding_box)
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return output
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# Gradio app
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demo = gr.Interface(
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fn=detect_objects,
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inputs=[
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gr.Textbox(label="Your Gemini API Key", type="password"),
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gr.Textbox(label="Object(s) to detect", value="famous personality"),
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gr.Image(type="filepath", label="Input Image")
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],
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outputs=gr.Image(type="pil", label="Detected Image"),
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title="Object Detection using Gemini ✨",
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description="Detect objects in images using the Gemini.",
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allow_flagging="never"
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)
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if __name__ == "__main__":
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demo.launch(debug=True)
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