Highlight Learning Module for Sports Video Event Detection
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Solution Overview
Problem
Existing video processing technologies fail to efficiently identify and extract highlights from sports videos, requiring viewers to watch entire games to find exciting moments, as they are scattered amidst uninteresting content.
Innovation Solution
A highlight learning module that uses event vectors and unsupervised feature extraction to classify video highlights, allowing for the automatic identification of exciting moments by training classifiers on event models developed from low-level features, enabling the separation of highlights from non-highlights in sports videos.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If traditional video processing technologies are used to identify highlights, then the system can process videos, but it requires viewers to watch entire games to find exciting moments, resulting in loss of time
Solution Approach 1:
The patent segments the video processing task into multiple components: low-level feature extraction (color, motion, texture), mid-level event detection (throws, catches, runs), and high-level highlight classification. This segmentation allows each component to be optimized independently and processed in parallel, dramatically reducing the time to identify highlights compared to traditional frame-by-frame analysis.
Solution Approach 2:
The system performs preliminary action by pre-training event models and classifiers on labeled training data before actual highlight detection. The event models are trained to recognize recurring events in sports videos, and classifiers are trained to distinguish highlights from non-highlights based on event vectors. This preliminary training enables rapid highlight identification during actual video processing without requiring viewers to watch entire games.
2Measurement precision
If manual highlight identification is used, then accuracy can be maintained, but the device complexity and operational effort increase significantly
Solution Approach 1:
The system implements self-service through automated event detection and highlight classification. The event models automatically detect recurring events in videos by analyzing low-level features, and the trained classifiers automatically determine which segments are highlights. This eliminates the need for manual annotation while maintaining high accuracy, as the system learns from training data and applies the learned patterns automatically to new videos.
Solution Approach 2:
The patent replaces manual mechanical analysis with automated computational processes. Instead of human viewers watching and identifying highlights manually, the system uses computer vision algorithms to extract features, event models to detect patterns, and machine learning classifiers to identify highlights. This substitution of mechanical human analysis with automated computational systems maintains accuracy while reducing operational complexity.
3Adaptability or versatility
If general video processing methods are applied to sports videos, then the system can handle various video types, but it fails to accurately identify sports-specific highlights
Solution Approach 1:
The system achieves universality through event models that are trained to recognize recurring events across different sports videos. The same event models and classification framework can be applied to various sports (baseball, football, soccer, hockey) by training on sport-specific data. The event vectors capture sport-specific patterns while the overall architecture remains universal, allowing the system to adapt to different sports while maintaining accurate highlight detection.
Data Source
AI summary
A highlight learning technique is provided to detect and identify highlights in sports videos. A set of event models are calculated from low-level frame information of the sports videos to identify recurring events within the videos. The event models are used to characterize videos by detecting events within the videos and using the detected events to generate an event vector. The event vector is used to train a classifier to identify the videos as highlight or non-highlight.


