Touch Screen Image Cropping via Continuous Drawing Motion
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Solution Overview
Problem
Portable terminals with camera functions are limited in storing and editing images, as they can only store images in a fixed form and size, necessitating separate functions for storage and editing.
Innovation Solution
A portable terminal with a touch screen that detects continuous drawing motions to generate and store partial areas of images, allowing users to select and overlay desired formats and sizes, and display overlaid images for easy image processing and editing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a portable terminal stores images in a fixed form and size using a camera function, then the image storage function is simple and reliable, but the adaptability to different formats and sizes is limited
Solution Approach 1:
The patent merges the image storage function and image editing function into a single integrated function. By detecting drawing motions on the touch screen and automatically generating partial areas, the system combines the actions of selecting, cropping, and storing images into one unified operation, eliminating the need for separate storage and editing functions while improving adaptability to different formats and sizes
Solution Approach 2:
The patent implements a universal image processing function that can handle multiple tasks: displaying images, detecting drawing motions, generating partial areas, and storing images in various formats and sizes. This multi-functional approach allows the same system to perform both storage and editing operations, enhancing versatility without requiring separate dedicated functions
2Ease of operation
If separate functions are used for storing and editing images, then each function can be optimized independently, but the ease of operation requires multiple steps and reduces user convenience
Solution Approach 1:
The patent performs preliminary actions by automatically detecting drawing motions and generating partial areas before the user completes the storage operation. The system proactively identifies the desired image region and prepares the cropped image for storage, eliminating the need for users to manually perform multiple separate actions and significantly reducing the time and effort required for image processing
3Ease of operation
If the portable terminal displays and processes images using a touch screen, then the ease of operation is improved, but the device complexity increases due to touch screen integration
Solution Approach 1:
The patent implements self-service functionality where the touch screen system automatically detects drawing motions and generates partial areas without requiring additional user input or manual intervention. The system serves itself by interpreting touch gestures directly into image processing actions, reducing the need for complex manual operations while maintaining ease of use through intuitive touch interaction
Data Source
AI summary
A portable terminal having a touch screen and a method for processing an image therein are provided. The portable terminal includes a camera unit for photographing an image, a touch screen for displaying the photographed image, a controller for generating, if a substantially continuous drawing motion is detected on the touch screen, a partial area in the displayed image according to the drawing motion, and a memory unit for storing the partial area of the displayed image. Accordingly, the portable terminal may more easily perform image photographing and editing, thereby increasing user convenience.


