Light-Painting Image Synthesis with Real-Time Cache Retrieval
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Solution Overview
Problem
Conventional light-painting photography methods do not allow for real-time modification of images, requiring users to restart if they are not satisfied with a part of the image, leading to inefficient creation and suboptimal artistic effects.
Innovation Solution
A photographing method and apparatus that continuously cache synthesized images during light-painting, enabling users to extract and re-use previous images as a basic image upon user instruction, allowing for real-time modification and pausing of the light-painting process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional light-painting photographing is performed without caching synthesized images, then the photographing process is simple, but the user cannot modify the image in real time and must restart if dissatisfied
Solution Approach 1:
The system performs preliminary action by continuously caching synthesized images during the light-painting process. This allows the user to pause at any point and retrieve previously cached images for modification, eliminating the need to restart from the beginning when dissatisfied with the current image state.
Solution Approach 2:
The system creates copies of synthesized images at different time points during the light-painting process and stores them in a cache. When the user needs to modify the image, the system retrieves the appropriate copy from the cache, allowing non-destructive editing and multiple attempts without losing previous work.
2Productivity
If the user must complete light-painting without pausing, then the photographing process is simple to control, but the creation efficiency is low and artistic effect is suboptimal
Solution Approach 1:
The system introduces dynamic control to the light-painting process by enabling pause and resume functionality. The user can pause the continuous image acquisition and synthesis at any point, review the current state, and resume when ready to continue or modify, making the process adaptable to the user's creative needs rather than rigid.
Solution Approach 2:
The system provides continuous visual feedback by displaying synthesized images in real-time and caching them for later review. This allows the user to monitor the light-painting progress, assess the artistic effect at different stages, and make informed decisions about when to pause, continue, or modify the work, thereby improving creation efficiency.
3Ease of operation
If synthesized images are continuously cached during photographing, then real-time modification is enabled, but the memory usage increases
Solution Approach 1:
The system segments the continuous stream of synthesized images by caching them at specific intervals or at significant pause points rather than storing every single frame. This segmentation approach enables real-time modification functionality while significantly reducing the total volume of cached image data, balancing operational flexibility with memory efficiency.
Data Source
AI summary
Disclosed are a photographing method and apparatus. The photographing method includes the steps as follows. Images are continuously acquired during photographing, a currently acquired image is synthesized with a current basic image into a synthesized image, and the synthesized image is taken as a basic image in next synthesis. Synthesized images during photographing are cached. A synthesized image is extracted, according to an operation instruction from a user, from the cached synthesized images to serve as a current basic image, so as to return a photographing progress to a photographing state displayed by the extracted synthesized image. Thus, a certain part of the photographed content is erased or deleted equivalently, light-painted images can be modified in real time, a user may complete one light-painting action with multiple pauses accordingly, a more perfect and complex effect is achieved, the light-painting creation effect is improved, and the user experience is improved.