Video Signal Information Embedding via Motion Map Weighting

The patent merges object detection and classification data directly into the video frame structure itself, eliminating the need for separate timestamp-based synchronization. The message is embedded within the video frame data, combining multiple data streams into a single integrated structure that maintains synchronization without requiring additional buffering or selection operations.

The patent segments the message into first and second message parts that are embedded in different video frames. This segmentation allows the system to distribute information across temporal slices, maintaining synchronization while reducing the processing burden on any single frame by dividing the overall synchronization task into manageable portions.

The patent applies local quality by weighting the first message part based on the motion map, which indicates movement of pixels between frames. This means that in regions with high motion, the embedded information is weighted accordingly, while static regions receive different weighting. This localized adaptation ensures that embedding operations are optimized for each region's characteristics, minimizing visible artifacts in static areas while maintaining efficiency in dynamic areas.

The patent changes the parameter of data embedding by using motion map information to determine weighting factors. Instead of uniform embedding, the system adjusts embedding parameters dynamically based on motion characteristics, allowing the same embedding process to produce different results in different spatial regions, thereby reducing visible artifacts while maintaining processing efficiency.

The patent segments the message into two parts and embeds them in sequential video frames, which simplifies the overall embedding process by breaking down a complex single-frame embedding task into two simpler temporal steps. This segmentation approach maintains frame-synchronous storage while reducing the computational complexity of any individual embedding operation.

The patent performs preliminary actions by determining the motion map before embedding the message parts. This preliminary computation of motion information allows the subsequent embedding process to use pre-calculated weighting factors, reducing the complexity of the main embedding operation and enabling more efficient frame-synchronous storage.