Camera Robot Scene-Based Control for Precise Video Shooting
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Solution Overview
Problem
Current video sequence shooting methods require experienced cinematographers and manual guidance, leading to inefficiencies and increased production costs due to the need for precise camera movements and adjustments, often resulting in multiple attempts to achieve the desired shot.
Innovation Solution
A method for controlling a camera robot that determines characteristic shooting scenes and adjusts control parameters, allowing for automated camera travel and orientation, using either user input or machine learning to select and apply optimal control parameters for efficient video sequence shooting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual guidance by cinematographer is used, then camera movement precision can be achieved, but shooting efficiency decreases and production time increases
Solution Approach 1:
The camera robot system performs self-guidance through automated scene analysis and parameter determination. The control unit automatically determines characteristic shooting scenes from captured images and selects appropriate control parameters without requiring manual cinematographer intervention, enabling the system to serve itself while maintaining precision and improving efficiency
Solution Approach 2:
The patent replaces the mechanical manual operation system with an automated control system. The control unit uses image processing and scene recognition algorithms to substitute the cinematographer's manual guidance, transforming the mechanical control process into an automated electronic control process that determines camera movement parameters based on analyzed shooting scenes
2Reliability
If experienced cinematographer with concentration is used, then optimal shooting effects can be achieved, but production costs increase
Solution Approach 1:
The system automatically determines shooting scene characteristics and selects control parameters without requiring experienced cinematographers. The control unit performs self-service by analyzing images, identifying scene types (e.g., talking head, interview, presentation), and autonomously selecting appropriate camera movement parameters, thereby eliminating the need for skilled manual operation while maintaining shooting quality
Solution Approach 2:
The system creates and uses a database of characteristic shooting scenes and their corresponding optimal control parameters. By copying and storing successful shooting patterns from various scene types, the system can reproduce optimal shooting effects automatically without requiring the original cinematographer's expertise, reducing production complexity while maintaining reliability
3Reliability
If multiple shooting attempts are made, then desired result can be achieved, but production time increases
Solution Approach 1:
The control unit performs preliminary analysis of the shooting scene by processing captured images before actual shooting begins. It determines the characteristic shooting scene type and pre-selects appropriate control parameters for camera movement, ensuring that the first shooting attempt is optimized and reduces the need for multiple retakes, thereby saving production time while maintaining success rate
Solution Approach 2:
The system uses feedback from image analysis to continuously optimize shooting parameters. The control unit monitors the captured images, determines scene characteristics, and adjusts control parameters accordingly, creating a closed-loop system that ensures optimal shooting conditions are achieved before and during the shooting process, reducing the need for multiple attempts
Data Source
AI summary
The invention relates to a method for controlling a camera robot for shooting a video sequence, the camera robot includinga chassis that can be moved on a surface;a camera for shooting the video sequence;a holding device for connecting the camera to the chassis as well as for orienting the camera relative to the chassis; anda control unit configured to control the chassis, the holding device and/or the camera;the method including the following stepsdetermining a characteristic shooting scene; anddetermining control parameters of the control unit depending on the determined characteristic shooting scene.