Non-contact type digital input device and content input method
A non-contact, input device technology, applied in character and pattern recognition, instruments, computer components, etc., can solve the problems of unfavorable input on the screen, easy leakage of numbers, small screen input, etc., and achieve a wide range of applications and a degree of intelligence Strong, the effect of improving the input accuracy
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no. 1 example
[0067] Such as figure 1 As shown in the flow diagram of the first embodiment:
[0068] A method for content input of a non-contact digital input device, comprising the following steps:
[0069] S100: Turn on the non-contact input mode;
[0070] S200: Display the input content for selection (including characters, numbers or ASCII codes) in sub-areas on the display screen;
[0071] S300: The image capture module acquires image information;
[0072] S500: The image segmentation module divides the acquired image information into large image blocks according to the set sub-regions;
[0073] S600: The central control module determines the input content according to a comparison result of the image information with differences before and after.
[0074] The displayed area may be a different area formed by a circular image, or a different area similar to a 9-grid figure.
[0075] Preferably, the method for inputting content of the non-contact digital input device includes the fol...
no. 3 example
[0120] In addition to the circular content display, there is also a content display in the form of a 9-square grid, such as Figure 5 As shown in the second schematic diagram of the sub-area display form of the screen in the third embodiment of the present invention, the (digital) display content is not a regular display mode, and can also be arranged in a random manner; in addition to the content display of numbers, there can also be text or The contents of the ASCII code are displayed.
[0121] The main function of this embodiment is to analyze the screen and automatically judge the screen difference. The specific implementation method is mainly divided into three steps:
[0122] For users, the implementation process of selecting input content can be divided into three steps:
[0123] 1. Turn on the non-contact input mode.
[0124] 2. Display the input content for selection.
[0125] 3. The input content is determined in the sub-area, and the specified information is inpu...
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