User Selectable Image Scaling for Display Distortion Control

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Solution Overview

Problem

Existing image presentation systems on displays face challenges in efficiently scaling and formatting image data to match user preferences, leading to suboptimal viewing experiences due to differences between image dimensions and display dimensions, resulting in potential distortion or incomplete image rendering.

Innovation Solution

A system and method that allow for user-preference driven transformation and mapping of image dimensions onto display dimensions, including options to maintain, scale, or proportionally scale image dimensions, ensuring a viewable image is presented without distortion or cropping, using a media device that can receive and process image data from a server, and transmit formatted signals to a display.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If image data is scaled to match display dimensions, then the image fits the display area, but image distortion may occur

Engineering Contradiction:
Improvedisplay area coverageVSAvoidimage dimensional accuracy
Core Design Contradiction:
Area of stationary objectVSManufacturing precision

Solution Approach 1:

The system provides multiple dynamic scaling modes (maintain aspect ratio, stretch to fit, crop to fit, fill) that allow the image presentation to adapt dynamically based on user preference and display conditions, resolving the contradiction between area coverage and dimensional accuracy

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the scaling parameter (aspect ratio maintenance vs. distortion) based on user selection, allowing the same image data to be presented differently on the same display, thus resolving the contradiction by making the parameter adjustable rather than fixed

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If image data is presented without scaling, then image dimensional accuracy is maintained, but the image may not fill the display area or may be cropped

Engineering Contradiction:
Improveimage dimensional accuracyVSAvoiddisplay area coverage
Core Design Contradiction:
Manufacturing precisionVSArea of stationary object

Solution Approach 1:

The system dynamically adjusts the scaling behavior based on user-selected modes, transitioning between maintaining dimensional accuracy and maximizing area coverage depending on the chosen presentation mode

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The image presentation system serves multiple functions by incorporating different scaling modes within a single system, allowing it to maintain accuracy when needed and maximize coverage when preferred, thus resolving the contradiction through multi-functionality

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Area of stationary object

If automatic scaling is applied, then display area coverage is maximized, but user control over image presentation is reduced

Engineering Contradiction:
Improvedisplay area coverageVSAvoiduser control flexibility
Core Design Contradiction:
Area of stationary objectVSEase of operation

Solution Approach 1:

The system provides self-service through automatic scaling options that work without user intervention, while simultaneously offering manual control options, allowing users to choose their preferred level of automation and control

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system incorporates user feedback through preference settings that determine scaling behavior, creating a feedback loop where user choices directly influence how images are scaled and presented on the display

Inventive Principle:
Principle #23Feedback

4Ease of operation

If multiple scaling modes are provided, then user control flexibility is improved, but system complexity increases

Engineering Contradiction:
Improveuser control flexibilityVSAvoidscaling system complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The scaling system is segmented into distinct, well-defined modes (maintain aspect ratio, stretch to fit, crop to fit, fill), each with clear functionality, making the complexity manageable and understandable for users

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system dynamically selects among multiple scaling modes based on user preference, managing complexity by providing a unified interface that adapts its behavior rather than requiring separate systems for each mode

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS7646433B2User selectable image scaling
Publication Date: 2010.01.12 D LINK SYSTEMS INC
  • US7646433B2 patent drawing
  • US7646433B2 patent drawing
  • US7646433B2 patent drawing

AI summary

Disclosed are a system and method of processing image data for presentation of an image on a display. In particular, image data may be transformed and/or mapped for presentation on a display based, at least in part, on a user preference.