Variable Rate Image Browsing via Touch Position
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Solution Overview
Problem
Browsing large collections of digital images on digital imaging devices with touch screens is time-consuming and inefficient, as existing methods lack a user-friendly and efficient way to control the scroll rate and navigate through images.
Innovation Solution
A method where the scroll rate is controlled by the user's touch position on the touch screen, allowing sequential image display with adjustable speed and direction, enabling quick skipping through low-interest images and detailed viewing of high-interest ones, applicable to both still images and digital videos.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If buttons are used to scroll through images one at a time, then precise control over image navigation is achieved, but browsing speed becomes very slow and time-consuming
Solution Approach 1:
The patent implements dynamic scroll rate adjustment based on touch position. The scroll rate is not fixed but changes continuously according to where the user touches on the screen - edges produce faster scrolling while center produces slower scrolling. This dynamic adjustment allows the system to adapt between fast browsing and precise control based on user input location.
Solution Approach 2:
The patent changes the scroll rate parameter based on touch position. By mapping different spatial positions on the touch screen to different scroll rate values, the system enables users to control both speed and precision through a single interactive element. The parameter transformation converts spatial position into temporal rate.
2Ease of operation
If touch screens are used for image browsing, then ease of operation is improved, but control over scroll rate becomes less precise
Solution Approach 1:
The patent applies different scroll rate characteristics to different regions of the touch screen. Edge regions are designed to produce faster scroll rates for quick navigation, while the center region produces slower scroll rates for precise viewing. This local differentiation allows users to intuitively control scroll behavior by choosing where to touch.
Solution Approach 2:
The system dynamically adjusts the scroll rate based on the specific touch position detected. Rather than using fixed scroll rates or requiring multiple controls, the system continuously adapts the scroll behavior to match the user's touch location, providing both ease of use and control precision through a single adaptive mechanism.
3Productivity
If fixed scroll rate is used for sequential image display, then system complexity is reduced, but browsing efficiency decreases when users need to both skip and examine images
Solution Approach 1:
The touch position mechanism serves multiple functions simultaneously - it controls both the direction and speed of scrolling through a single input method. This universal control approach eliminates the need for separate controls for different scroll rates, achieving high browsing efficiency without proportionally increasing device complexity.
Solution Approach 2:
The system implements dynamic scroll rate adjustment that automatically adapts to user needs based on touch position. This allows the same simple touch interface to provide both fast skipping and slow examination capabilities, achieving high productivity without requiring complex separate control mechanisms for different browsing modes.
Data Source
AI summary
A method for browsing a collection of digital images on a display screen with a touch screen user interface, comprising: forming an ordered sequence of digital images; entering an image review mode and displaying a first digital image from the ordered sequence of digital images on the display screen; initiating a sequential image display process in response to a user touching the touch screen, wherein the sequential image display process sequentially displays digital images in the ordered sequence of digital images on the touch screen until such time that the user stops touching the touch screen, wherein a time interval between the display of sequential images is specified by a scroll rate which is controlled responsive to the position that the user is touching the touch screen.