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A system for determining the position of a physical pointer on the surface of a smart watch

A technology for smart watches and pointer positions, applied in the field of systems for determining the position of surface pointers, and can solve the problem of high test accuracy

Active Publication Date: 2021-12-28
上海电悦科技有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

At present, according to the test, the accuracy rate is very high

Method used

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Embodiment Construction

[0033] The technical solutions of the present invention are described in detail below.

[0034] The invention intends to solve the algorithm problems of image recognition, noise overcoming and time calibration, as well as the actual optimization problem of different requirements for mobile phone processors.

[0035] The extraction of the surface pointer already has the image extraction. However, due to the problems of light and color in the image extraction, it is difficult to determine the position of the pointer more accurately for a single picture, and the shooting of multiple pictures is due to the time interval of shooting. As a result, there is a very high probability that the pointer will move.

[0036] The present invention adopts the method of extracting pictures from the video, the video has continuity, and many frames of pictures can be extracted in one second from the video, and the position of the pointer remains basically unchanged when processing some of the fra...

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Abstract

The invention relates to a system for determining the position of a physical pointer on the surface of a smart watch. The system includes a smart phone and a smart watch with an Android system; the smart watch includes an MCU and a surface, and the surface is a circular surface. There is a red dot at the 12 o'clock position; the smart phone includes a processor and a camera; the camera can capture the surface of the watch in real time to obtain a video; the camera can focus at least once within each time threshold; The processor includes an image processing unit, the image processing unit can identify the video, and the identification is to extract the image of the video for image processing; the image processing includes positioning preprocessing, and the positioning preprocessing includes The image is grayscaled to generate a 1-channel grayscale image from a 4-channel image, and Gaussian filtering is performed on the grayscale image to obtain a smooth grayscale image; the processor can process the smooth grayscale The image is subjected to Hough transform image processing to find out the circle in the smooth grayscale image.

Description

technical field [0001] The invention relates to a system for determining the position of a surface pointer, in particular to a system for determining the position of a physical pointer on the surface of a smart watch. Background technique [0002] At present, the calibration of smart physical pointer watches is more troublesome, requiring naked eye recognition and manual adjustment. Our company has developed a method of time synchronization by taking pictures. This method gives the mobile phone a very accurate premise for taking pictures and recognizing the picture. Moreover, the picture taken is an instantaneous action, and the picture is fixed. After the picture is taken, it is processed During the completion period, the time is moving. Therefore, there may be certain errors in this process, and a large number of correction algorithms are required to correct the time. Contents of the invention [0003] Based on the above technical problems, the present invention provide...

Claims

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Application Information

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IPC IPC(8): G06T7/13G06T7/136G06T7/62G04B19/04
CPCG04B19/04G06T7/13G06T7/136G06T7/62G06T2207/10016
Inventor 黄思华黄树志范凤华
Owner 上海电悦科技有限公司
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