Layered Wallpaper Display With Virtual-Camera Depth Transitions
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Solution Overview
Problem
Existing dynamic wallpapers on electronic devices have limited user-interactivity due to a small range of selectable options and inability to use user-photographed images, and static wallpapers lack spatial effects, reducing user engagement.
Innovation Solution
A method that allows users to select and customize images for multiple graphic layers, adjusting their positions and sizes, and uses a virtual camera to capture scene images at different angles, generating dynamic videos for wallpaper display that change depth of field during interface switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a virtual camera is used to photograph scenes from multiple angles and generate dynamic videos with depth of field changes, then the visual effect and user engagement are improved, but the processing power consumption increases
Solution Approach 1:
The system pre-generates multiple scene images corresponding to different preset interfaces (lock screen, home screen, notification screen) with different photographing angles and depth of field settings before the user actually switches interfaces. This preliminary generation allows the dynamic wallpaper to smoothly transition between pre-computed scenes, reducing real-time processing requirements and power consumption during actual interface switching while maintaining high visual quality.
2Adaptability or versatility
If multiple graphic layers with customizable images are allowed, then the interactivity and customization options are improved, but the device complexity increases
Solution Approach 1:
The wallpaper is divided into multiple independent graphic layers, each corresponding to a different image that can be independently selected and customized by the user. Each layer can be individually adjusted for position, size, and visibility, allowing high customization without requiring the entire system to become more complex. The layered structure enables modular configuration where each layer operates independently.
Solution Approach 2:
The system adds a layer dimension to the traditional single-plane wallpaper, transitioning from 2D to multi-layered structure. Each graphic layer exists in the same 2D display space but operates in a third dimension (depth layering), allowing images to be stacked, positioned at different depths, and selectively focused. This dimensional addition enables rich customization while maintaining the same display footprint.
3Shape
If scene images are obtained by a virtual camera photographing from different angles for each preset interface, then the spatial effect and depth of field variation are improved, but the computational requirements increase
Solution Approach 1:
Instead of uniformly processing all graphic layers with full 3D transformations and depth of field effects, the system applies different processing qualities to different layers. The virtual camera focuses selectively on specific layers or regions based on the current interface context, applying high-quality spatial effects only where needed while using simpler rendering for background layers. This localized quality adjustment reduces overall computational requirements while maintaining impressive spatial effects in critical areas.
Data Source
AI summary
A wall paper display method includes: obtaining, in response to a first select operation of a user, an image respectively corresponding to each graphic layer from a gallery, where each graphic layer corresponds to a different image, adjusting a position and a size of the image respectively corresponding to each graphic layer, obtaining, in response to an interface switching operation, a target video of changing from a scene image of a current preset interface to a scene image of a next preset interface, where a scene image of each preset interface is obtained by a virtual camera by photographing a scene including all graphic layers based on a photographing angle corresponding to the preset interface; and using the target video as a wallpaper of the electronic device, and displaying the wallpaper.