Expression input method and device based on face identification

Abstract

The invention discloses an expression input method and device based on face identification, and relates to the technical field of input methods. The method comprises the steps of starting an input method, acquiring a shot picture of a user, determining emotion labels corresponding to the facial expression in the picture by a face expression identification model, acquiring the expressions of all themes of the emotion labels respectively based on the corresponding relation of the emotion labels and the expressions in all the themes, the expressions of all the themes are ordered and used as candidate items to be displayed in a client end. According to the expression input method and device, the labels can be directly identified and matched according to the currently-shot picture of the user, the user can input the expression conveniently, the expression accuracy is high, and rich and wide-range expression resources are provided for the user.

Description

technical field [0001] The invention relates to the technical field of input methods, in particular to an expression input method and device based on face recognition. Background technique [0002] The input method is an encoding method used to input various symbols into a computer or other equipment (such as a mobile phone). Common input methods include Sogou input method, Microsoft input method and so on. [0003] Traditional emoticon input generally has several situations: one is that the platform itself has an emoticon input module, such as the emoticon input module embedded in chat tools such as qq, which comes with default input emoticons, and third-party emoticon packages can also be installed, and users can also Custom image resources are used as emoticons. When the user enters the emoticon, click the input button of the emoticon and select the emoticon to input. However, this situation is completely separated from the input method. The user needs to click the emoti...

AI Technical Summary

Problems solved by technology

[0007] 1. Considering the operating cost of emoticons used by users, the emoji package producers will also streamline the content of emoticons as appropriate, which also restricts the development and widespread use of chat emoticons to some extent

[0008] 2. Most chat tools only provide default emoticons

The default emoticons are relatively monotonous, and more abundant and diversified themed chat emoticon resources can effectively improve the favorability of chatting with friends. However, in order to use these emoticons, users need to go through many online operation steps, obtain emoticon package information from various channels and Download the emoticon pack to the local, and sometimes it needs to be manually loaded to use the emoticon pack normally

For users who are not familiar with operations or who are not patient enough, the time and cost it takes to successfully obtain and install a suitable emoticon package from network resources may cause them to choose to give up

[0009] 3. For the downloaded emoticons, if the user switches the input scene such as the chat platform, the emoticons need to be downloaded or updated again, and the user's frequently used emoticon collection information also faces the problem of transplantation

[0010] 4. The user chooses the emoticon by himself, perhaps because the selection interface is too complicated and there are too many emoticon options, it is impossible to accurately select the emoticon that matches his current actual emoticon

If it is not specially sorted out, many multimedia resources such as photos of exaggerated expressions of celebrities and political figures, GIFs, etc. cannot be used as candidate expressions in a timely manner, which reduces the efficiency of user input

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