Spherical Video Path Selection for Compact Time Lapse Generation
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Solution Overview
Problem
Videos capturing extensive scenes or activities often result in lengthy content that is difficult to view comprehensively due to over-capture, making it challenging to efficiently manage and consume.
Innovation Solution
A system and method for generating time lapse videos by processing spherical video content using path selection and time lapse parameters, including a viewing window movement within the content, to create a condensed representation of the visual content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If spherical video content captures extensive scenes and activities, then visual content coverage is improved, but video duration increases making it difficult to view
Solution Approach 1:
The patent extracts and presents only the most visually interesting portions of the spherical video content within a viewing window, rather than displaying the entire extensive video. This selective extraction condenses hours of content into brief highlight clips, solving the contradiction between comprehensive coverage and viewable duration.
Solution Approach 2:
The patent segments the continuous spherical video content into discrete visual highlights that are presented in a condensed sequence. By dividing the extensive video into selective segments shown within a viewing window, it maintains comprehensive visual coverage while reducing overall viewing time.
2Loss of information
If path selection moves viewing window through spherical video content, then essential visual content is captured, but processing complexity increases
Solution Approach 1:
The patent performs preliminary analysis of the spherical video content to identify visually interesting portions and define an optimal viewing window path before generating the time lapse video. This pre-processing step ensures essential visual content is captured while streamlining the subsequent rendering process, reducing overall complexity.
3Productivity
If time lapse parameters condense video duration, then video consumption efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The patent applies time lapse parameters that dramatically compress the time scale of the original video content, transforming hours of footage into seconds of condensed video. By changing the temporal parameter from real-time to accelerated time lapse, it achieves high consumption efficiency while the automated parameter application keeps generation complexity manageable.
Data Source
AI summary
Video information may define spherical video content having a duration. Spherical video content may define visual content viewable from a point of view as a function of progress through the spherical video content. Path information may define a path selection for the spherical video content. Path selection may include movement of a viewing window within the spherical video content. The viewing window may define extents of the visual content viewable from the point of view as the function of progress through the spherical video content. Time lapse parameter information may define at least two of a time portion of the duration, an image sampling rate, and a time lapse speed effect. A time lapse video may be generated based on the video information, the path information, and the time lapse parameter information.