Display equipment and geometric figure recognition method

A technology of geometric graphics and display equipment, applied in the direction of instruments, electrical digital data processing, and input/output process of data processing, etc., can solve the problems of low accuracy rate, achieve the effect of improving accuracy rate, eliminating interference, and facilitating input

Active Publication Date: 2021-01-05
HISENSE VISUAL TECH CO LTD
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Problems solved by technology

[0005] This application provides a display device and a geometric pattern recognition metho

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  • Display equipment and geometric figure recognition method
  • Display equipment and geometric figure recognition method
  • Display equipment and geometric figure recognition method

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Embodiment Construction

[0050] The embodiments will be described in detail hereinafter, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following examples do not represent all implementations consistent with this application. These are merely examples of systems and methods consistent with aspects of the present application as recited in the claims.

[0051] In order to make the purpose, implementation and advantages of the application clearer, the following will clearly and completely describe the exemplary embodiments of the application in conjunction with the accompanying drawings in the exemplary embodiments of the application. Obviously, the described exemplary embodiments It is only a part of the embodiments of the present application, but not all the embodiments.

[00...

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Abstract

The invention provides display equipment and a geometric figure recognition method. According to the invention, the display equipment is internally or externally connected with an input device, so that a user can execute interaction through the input device to input a hand-drawn figure track; the controller of the display equipment can determine a first feature direction by traversing the left side of each hand-drawn point in a hand-drawn graph track, rotate a hand-drawn graph according to an included angle between the first feature direction and a preset judgment direction so as to determinea second feature direction, draws a standard geometric figure according to the first feature direction and the second feature direction, and finally enables a standard geometric figure to adapt to thehand-drawn figure in position through rotation; and the display equipment can eliminate the interference of the inclined state of the hand-drawn graph on graph parameters by rotating the hand-drawn graph track, facilitates the matching of a graph recognition template, improves the accuracy of graph recognition, and solves a problem that a conventional geometric graph recognition method is low inaccuracy.

Description

technical field [0001] The present application relates to the field of touch TV technology, in particular to a display device and a geometric pattern recognition method. Background technique [0002] Smart TV is a TV product based on Internet application technology, with an open operating system and chip, and an open application platform, which can realize two-way human-computer interaction, and integrates multiple functions such as audio-visual, entertainment, and data. Diverse and individual needs. The display screen of the smart TV can be provided with a touch component to form a touch screen, and the user can input control commands in some application scenarios through the touch screen. For example, in an educational scenario, a user can perform a whiteboard presentation on a smart TV and use the touch screen to draw some geometric figures. [0003] Due to the limitation of hand-drawn input, the geometric figures presented on the whiteboard are irregular and unattracti...

Claims

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Application Information

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IPC IPC(8): G06F3/041G06F3/0481G06F3/0488
CPCG06F3/0412G06F3/0481G06F3/04883
Inventor 王敏曹颖刘加山于洪
Owner HISENSE VISUAL TECH CO LTD
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