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Camera Integration

PraisonAI supports camera integration for real-time visual analysis through multimodal agents. While there’s no built-in camera capture, you can easily integrate camera feeds by capturing frames or videos and passing them to vision agents.

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Overview

Camera integration works by:

  1. Capturing frames/videos from camera using OpenCV
  2. Saving temporarily to disk
  3. Passing file paths to agents via the images parameter
  4. Cleaning up temporary files after analysis

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Quick Start

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Prerequisites

pip install praisonaiagents opencv-python
export OPENAI_API_KEY=your_openai_api_key

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Basic Camera Capture

import cv2
from praisonaiagents import Agent, Task, PraisonAIAgents

def capture_and_analyze():
    # Create vision agent
    vision_agent = Agent(
        name="CameraAnalyst",
        role="Camera Feed Analyzer",
        goal="Analyze camera captures in real-time",
        backstory="Expert in real-time visual analysis",
        llm="gpt-4o-mini"
    )
    
    # Capture from camera
    cap = cv2.VideoCapture(0)  # 0 for default camera
    ret, frame = cap.read()
    
    if ret:
        # Save frame temporarily
        cv2.imwrite("temp_capture.jpg", frame)
        cap.release()
        
        # Create analysis task
        task = Task(
            description="Analyze what you see in this camera feed",
            expected_output="Detailed analysis of camera content",
            agent=vision_agent,
            images=["temp_capture.jpg"]
        )
        
        # Run analysis
        agents = PraisonAIAgents(
            agents=[vision_agent],
            tasks=[task]
        )
        
        return agents.start()

# Run analysis
result = capture_and_analyze()

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Integration Patterns

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1. Single Frame Analysis

Perfect for quick snapshots and one-time analysis:

def single_frame_analysis():
    cap = cv2.VideoCapture(0)
    ret, frame = cap.read()
    
    if ret:
        image_path = "snapshot.jpg"
        cv2.imwrite(image_path, frame)
        
        # Analyze with your agent
        # ... (agent setup and task creation)
        
    cap.release()

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2. Continuous Monitoring

Ideal for security systems and real-time monitoring:

def continuous_monitoring(interval=10):
    vision_agent = Agent(
        name="SecurityMonitor",
        role="Security Camera Analyst",
        goal="Monitor for security events",
        backstory="Expert security analyst",
        llm="gpt-4o-mini"
    )
    
    cap = cv2.VideoCapture(0)
    
    while True:
        ret, frame = cap.read()
        if ret:
            timestamp = int(time.time())
            filename = f"capture_{timestamp}.jpg"
            cv2.imwrite(filename, frame)
            
            # Analyze frame
            task = Task(
                description="Monitor for unusual activities",
                agent=vision_agent,
                images=[filename]
            )
            
            agents = PraisonAIAgents(
                agents=[vision_agent],
                tasks=[task]
            )
            
            result = agents.start()
            print(f"Analysis: {result}")
            
        time.sleep(interval)

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3. Multi-Agent Analysis

Use multiple specialized agents for comprehensive analysis:

def multi_agent_camera_analysis():
    # Create specialized agents
    security_agent = Agent(
        name="SecurityExpert",
        role="Security Specialist",
        goal="Identify security threats",
        backstory="Expert in surveillance and threat detection",
        llm="gpt-4o-mini"
    )
    
    object_detector = Agent(
        name="ObjectDetector",
        role="Object Recognition Specialist",
        goal="Identify and catalog objects",
        backstory="Computer vision expert",
        llm="gpt-4o-mini"
    )
    
    scene_analyst = Agent(
        name="SceneAnalyst",
        role="Scene Understanding Expert",
        goal="Provide comprehensive scene analysis",
        backstory="Environmental analysis expert",
        llm="gpt-4o-mini"
    )
    
    # Capture frame
    cap = cv2.VideoCapture(0)
    ret, frame = cap.read()
    cap.release()
    
    if ret:
        cv2.imwrite("analysis_frame.jpg", frame)
        
        # Create specialized tasks
        security_task = Task(
            description="Analyze for security threats",
            agent=security_agent,
            images=["analysis_frame.jpg"]
        )
        
        object_task = Task(
            description="Identify all objects in scene",
            agent=object_detector,
            images=["analysis_frame.jpg"]
        )
        
        scene_task = Task(
            description="Provide comprehensive scene analysis",
            agent=scene_analyst,
            images=["analysis_frame.jpg"]
        )
        
        # Run parallel analysis
        agents = PraisonAIAgents(
            agents=[security_agent, object_detector, scene_analyst],
            tasks=[security_task, object_task, scene_task],
            process="parallel"
        )
        
        return agents.start()

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4. Video Recording & Analysis

Analyze temporal events and activities:

def record_and_analyze_video(duration=10):
    cap = cv2.VideoCapture(0)
    
    # Setup video writer
    fps = int(cap.get(cv2.CAP_PROP_FPS)) or 30
    width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
    height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
    
    fourcc = cv2.VideoWriter_fourcc(*'mp4v')
    out = cv2.VideoWriter('recording.mp4', fourcc, fps, (width, height))
    
    # Record video
    start_time = time.time()
    while (time.time() - start_time) < duration:
        ret, frame = cap.read()
        if ret:
            out.write(frame)
    
    cap.release()
    out.release()
    
    # Analyze video
    video_agent = Agent(
        name="VideoAnalyst",
        role="Video Content Analyzer",
        goal="Analyze video content for activities",
        backstory="Expert in video analysis",
        llm="gpt-4o-mini"
    )
    
    task = Task(
        description="Analyze this video for activities and events",
        agent=video_agent,
        images=["recording.mp4"]  # Video files work too!
    )
    
    agents = PraisonAIAgents(
        agents=[video_agent],
        tasks=[task]
    )
    
    return agents.start()

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Supported Input Types

PraisonAI accepts various visual input formats:

  • ✅ Local Images: "camera_shot.jpg", "webcam_capture.png"
  • ✅ Local Videos: "security_feed.mp4", "recording.avi"
  • ✅ Image URLs: "https://example.com/live_feed.jpg"
  • ✅ Multiple Sources: ["cam1.jpg", "cam2.jpg", "video.mp4"]

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Configuration Options

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Camera Selection

# Different camera sources
camera_id = 0    # Default camera
camera_id = 1    # External USB camera
camera_id = "rtsp://camera-ip/stream"  # IP camera

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Analysis Intervals

# For continuous monitoring
analysis_interval = 5   # Every 5 seconds (high frequency)
analysis_interval = 30  # Every 30 seconds (moderate)
analysis_interval = 300 # Every 5 minutes (low frequency)

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Video Recording

# Recording duration
duration = 10    # 10 seconds
duration = 60    # 1 minute
duration = 300   # 5 minutes

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Use Cases

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Security Monitoring

  • Real-time threat detection
  • Unauthorized access alerts
  • Suspicious activity identification
  • Perimeter monitoring

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Retail Analytics

  • Customer behavior analysis
  • Inventory monitoring
  • Queue management
  • Theft prevention

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Industrial Automation

  • Quality control inspection
  • Safety compliance monitoring
  • Equipment status verification
  • Process optimization

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Smart Home

  • Activity recognition
  • Elderly care monitoring
  • Pet monitoring
  • Energy usage optimization

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Best Practices

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Performance Optimization

  1. Frame Rate Management

    # Reduce analysis frequency for better performance
time.sleep(5)  # Analyze every 5 seconds instead of continuously

  2. Image Size Optimization

    # Resize frames for faster processing
frame = cv2.resize(frame, (640, 480))

  3. Parallel Processing

    # Use parallel process for multiple agents
process="parallel"

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Memory Management

  1. Clean Up Temporary Files

    import os
if os.path.exists(image_path):
    os.remove(image_path)

  2. Limit Video Duration

    # Keep recordings short to avoid large files
max_duration = 30  # seconds

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Security Considerations

  1. Camera Permissions

    • Ensure application has camera access
    • Handle permission errors gracefully

  2. Privacy Protection

    • Implement data retention policies
    • Secure transmission of camera data
    • User consent for recording

  3. Access Control

    • Authenticate camera access
    • Implement role-based permissions

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Troubleshooting

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Camera Not Found

# Check available cameras
for i in range(4):
    cap = cv2.VideoCapture(i)
    if cap.isOpened():
        print(f"Camera {i} is available")
        cap.release()
    else:
        print(f"Camera {i} not available")

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Permission Issues

Linux:

# Add user to video group
sudo usermod -a -G video $USER

macOS:

  • Grant camera permissions in System Preferences > Security & Privacy

Windows:

  • Check camera privacy settings in Windows Settings

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Performance Issues

# Reduce frame size
frame = cv2.resize(frame, (320, 240))

# Lower analysis frequency
time.sleep(10)  # Analyze every 10 seconds

# Use threading for non-blocking capture
import threading

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Examples

Complete working examples are available in the repository:

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