Composite Image Creation for Athletic Motion Analysis
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Solution Overview
Problem
Existing athletic motion analysis systems struggle to effectively convey the temporal relationship between multiple objects in an image, making it difficult to intuitively analyze and understand the motion of objects over time.
Innovation Solution
A composite image creation system that includes a moving object region specifying unit, a luminance correction unit, and an image combining unit, which specifies moving object regions, adjusts luminance differences between images, and combines them with added color information to create a composite image that clearly depicts the temporal relationship between moving objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If conventional image processing is used to generate trajectory images, then motion analysis information can be output, but it is difficult to grasp temporal relationships between multiple objects
Solution Approach 1:
The patent applies color changes by assigning different colors to moving objects based on their temporal sequence. The image combining unit adds color information to moving object regions in a time series, where objects appearing earlier are assigned different colors than later objects. This allows the temporal relationship between multiple moving objects to be visually distinguished in the composite image, solving the problem of难以 grasping temporal relationships while maintaining simple image processing.
2Loss of information
If multiple images are combined to show motion trajectories, then temporal information can be visualized, but luminance differences make it difficult to distinguish objects clearly
Solution Approach 1:
The patent uses color changes to differentiate moving objects across multiple images. By assigning distinct colors to objects based on their temporal appearance and maintaining consistent coloring across the composite image, the system makes temporal information visible despite luminance variations from combining multiple images with different lighting conditions.
Solution Approach 2:
The patent applies parameter changes by modifying the color parameter of moving object regions while processing luminance differences. The luminance correction unit adjusts luminance values to reduce differences between images, and the image combining unit adds color information, changing the color parameter to encode temporal information and improve object distinguishability.
3Loss of information
If color information is added to moving objects, then temporal relationships become visible, but processing complexity increases
Solution Approach 1:
The patent implements color changes by adding color information to moving object regions in a systematic way. The image combining unit processes images in time series order, assigning colors based on temporal sequence, which makes temporal relationships visible while keeping the processing approach straightforward and integrated into the existing image combination workflow.
Data Source
AI summary
A composite image creation system includes: a moving object region specifying unit that specifies a moving object region in each of a plurality of images consecutive in times series; a luminance correction unit that executes luminance correction processing to reduce a difference between a luminance signal in at least a part of one moving object region in one image and a luminance signal in at least a part of another moving object region in another image; and an image combining unit that combines the one image including the one moving object region subjected to the luminance correction processing and the other image including the other moving object region subjected to the luminance correction processing, and generates a composite image by adding predetermined color information to at least a part of the one moving object region and at least a part of the other moving object region in time series.