The present disclosure provides a human-computer interactive method and apparatus based on artificial intelligence, and a terminal device. The human-computer interactive method based on artificial intelligence includes: receiving a multimodal input signal, the multimodal input signal including at least one of a speech signal, an image signal and an environmental sensor signal; determining an intention of a user according to the multimodal input signal; processing the intention of the user to obtain a processing result, and feeding back the processing result to the user.
Please help me write a proper abstract based on the patent claims. CLAIM: 1. A human-computer interactive method based on artificial intelligence, comprising: receiving a multimodal input signal, the multimodal input signal comprising at least one of a speech signal, an image signal and an environmental sensor signal: determining an intention of a user according to the multimodal input signal; processing the intention of the user to obtain a processing result, and feeding back the processing result to the user. 2. The method according to claim 1, wherein determining an intention of a user according to the multimodal input signal comprises: performing speech recognition on the speech signal to obtain a speech recognition result, and determining the intention of the user according to the speech recognition result in combination with at least one of the image signal and the environmental sensor signals. 3. The method according to claim 1, wherein determining an intention of a user according to the multimodal input signal comprises: performing speech recognition on the speech signal to obtain a speech recognition result, turning a display screen to a direction where the user is by sound source localization, and identifying personal information of the user via a camera in assistance with a face recognition function; determining the intention of the user according to the speech recognition result, the personal information of the user and pre-stored preference information of the user. 4. The method according to claim 1, wherein processing the intention of the user to obtain a processing result and feeding back the processing result to the user comprises: performing personalized data matching in a cloud database according to the intention of the user, obtaining recommended information suitable for the user, and outputting the recommend information to the user: wherein the recommended information comprises address information, and processing the intention of the user to obtain a processing result and feeding back the processing result to the user comprises: obtaining a traffic route from a location where the user is to a location indicated by the address information, obtaining a travel mode suitable for the user according to a travel habit of the user, and recommending the travel mode to the user. 5. The method according to claim 1, wherein the intention of the user comprises time information, and processing the intention of the user to obtain a processing result and feeding back the processing result to the user comprises: setting alarm clock information according to the time information in the intention of the user, and feeding back the configuration to the user; after feeding back the configuration to the user, the method further comprises: prompting the user, recording a message left by the user, and performing an alarm clock reminding and playing the message left by the user, when the time corresponding to the alarm clock information is reached. 6. The method according to claim 1, before receiving the multimodal input signal, further comprising: receiving multimedia information sent by another user associated with the user, and prompting the user whether to play the multimedia information; wherein the intention of the user is agreeing to play the multimedia information, processing the intention of the user comprises playing the multimedia information sent by another user associated with the user; after playing the multimedia information sent by another user associated with the user, the method further comprises: receiving a speech sent by the user, and sending the speech to another user associated with the user. 7. The method according to claim 1, wherein the intention of the user is requesting for playing multimedia information, processing the intention of the user to obtain a processing result and feeding back the processing result to the user comprises: obtaining the multimedia information requested by the user from a cloud server via a wireless network, and playing the multimedia information. 8. The method according to claim 1, before receiving the multimodal input signal, further comprising: receiving a call request sent by another user associated with the user, and prompting the user whether to answer the call; wherein the intention of the user is answering the call, processing the intention of the user to obtain a processing result and feeding back the processing result to the user comprises: establishing a call connection between the user and another user associated with the user, and during the call, controlling a camera to identify a direction of a speaker, and controlling the camera to turn to the direction of the speaker, starting a video-based face tracking function to make the camera track the face concerned by another user, after another user associated with the user clicks a concerned face via an application installed in a smart terminal used by another user. 9. The method according to claim 1, wherein the environmental sensor signals are configured to indicate environment information of the environment; after receiving the multimodal input signal, the method further comprises: warning of a danger, outputting modes for processing the danger, and controlling a camera to shoot, if any of indexes in the environment information exceeds a predetermined warning threshold; after receiving the multimodal input signal, the method further comprises: if any of the indexes in the environment information reaches a state switching threshold, controlling by an smart home control platform, a state of a smart home corresponding to the index reaching the state switching threshold. 10. The method according to claim 1, wherein the intention of the user is obtaining an answer to a question: processing the intention of the user to obtain a processing result and feeding back the processing result to the user comprises: searching for the question included in a speech input by the user, obtaining the answer to the question, and outputting the answer to the user: after outputting the answer to the user, further comprising: obtaining recommended information associated with the question included in the speech input by the user, and outputting the recommended information to the user. 11. A terminal device, comprising a receiver, a processor, a memory, a circuit board and a power circuit, wherein the circuit board is arranged inside a space enclosed by a housing, the processor and the memory are arranged on the circuit board, the power circuit is configured to supply power for each circuit or component of the terminal device, the memory is configured to store executable program codes: the receiver is configured to receive a multimodal input signal, the multimodal input signal comprising at least one of a speech signal, an image signal and an environmental sensor signal; the processor is configured to run a program corresponding to the executable program codes by reading the executable program codes stored in the memory, so as to execute following steps: determining an intention of a user according to the multimodal input signal; processing the intention of the user to obtain a processing result, and feeding back the processing result to the user. 12. The terminal device according to claim 11, wherein the processor is configured to perform speech recognition on the speech signal to obtain a speech recognition result, and to determine the intention of the user according to the speech recognition result in combination with at least one of the image signal and the environmental sensor signals. 13. The terminal device according to claim 11, further comprising a camera, the processor is configured to perform speech recognition on the speech signal to obtain a speech recognition result, to turn a display screen to a direction where the user is by sound source localization, to identify personal information of the user via the camera in assistance with a face recognition function, and to determine the intention of the user according to the speech recognition result, the personal information of the user and pre-stored preference information of the user. 14. The terminal device according to claim 11, wherein the processor is configured to perform personalized data matching in a cloud database according to the intention of the user, to obtain recommended information suitable for the user, and to output the recommend information to the user; the recommended information comprises address information, and the processor is configured to obtain a traffic route from a location where the user is to a location indicated by the address information, to obtain a travel mode suitable for the user according to a travel habit of the user, and to recommend the traffic mode to the user. 15. The terminal device according to claim 11, wherein the intention of the user comprises time information, and the processor is configured to set alarm clock information according to the time information in the intention of the user, and to feed back the configuration to the user: the processor is further configured to prompt the user after feeding back the configuration to the user, to record a message left by the user, to perform an alarm clock reminding and to play the message left by the user when the time corresponding to the alarm clock information is reached. 16. The terminal device according to claim 11, wherein the receiver is further configured to receive multimedia information sent by another user associated with the user before receiving the multimodal input information, the processor is further configured to prompt the user whether to play the multimedia information, wherein the intention of the user is agreeing to play the multimedia information, and the processor is configured to play the multimedia information sent by another user associated with the user; the terminal device further comprises a sender; the receiver is further configured to receive a speech sent by the user after the processor plays the multimedia information sent by another user associated with the user, the sender is configured to send the speech to another user associated with the user; the intention of the user is requesting for playing multimedia information, and the processor is configured to obtain the multimedia information requested by the user from a cloud server via a wireless network, and to play the multimedia information. 17. The terminal device according to claim 11, wherein the receiver is further configured to receive a call request sent by another user associated with the user before receiving the multimodal input signal, the processor is further configured to prompt the user whether to answer the call; the terminal device further comprises a camera, wherein the intention of the user is answering the call, the processor is configured to establish a call connection between the user and another user associated with the user, to control a camera to recognize a direction of a speaker and to turn to the direction of the speaker during the call, to start a video-based face tracking function to make the camera track a face concerned by another user after another user associated with the user clicks the face concerned by another user via an application installed in a smart terminal used by another user. 18. The terminal device according to claim 11, further comprising a sensor, wherein the environmental sensor signals are configured to indicate environment information of the environment where the sensor is; the processor is further configured to warn of a danger, to output modes for processing the danger, and to control a camera to shoot, if any of indexes in the environment information exceeds a predetermined warning threshold; the processor is further configured to control a state of a smart home corresponding to an index reaching a state switching threshold via an smart home control platform, if any of the indexes in the environment information reaches a state switching threshold. 19. The terminal device according to claim 11, wherein the intention of the user is obtaining an answer to a question; the processor is configured to search for the question included in a speech input by the user, to obtain the answer to the question, and to output the answer to the user; the processor is further configured to obtain recommended information associated with the question included in the speech input by the user after outputting the answer to the user, and to output the recommended information to the user. 20. A non-transitory computer-readable storage medium having stored therein instructions that, when executed by a processor of a terminal device, causes the terminal device to perform a human-computer interactive method based on artificial intelligence, the method comprising: receiving a multimodal input signal, the multimodal input signal comprising at least one of a speech signal, an image signal and an environmental sensor signal; determining an intention of a user according to the multimodal input signal; processing the intention of the user to obtain a processing result, and feeding back the processing result to the user.