Summary
The author of this article is from the instant developer community @Daniel, sharing the popular digital human technology with us. IDC predicts that by 2026, China's AI digital human market will reach 10.24 billion yuan. It is necessary for developers to have a complete knowledge and understanding of digital human technology.
introduction
Since humans explored virtual reality technology, virtual human technology has been one of the important fields in the field of artificial intelligence and metaverse technology. A virtual human refers to a virtual character with human characteristics and behaviors created through computer simulation and artificial intelligence technology. The main purpose of virtual human technology is to provide users with a more realistic, intelligent and humanized virtual experience.
1. The concept of virtual human
An avatar is a human figure generated by a computer program that looks and behaves like a real human being. Virtual human has strong interactivity and self-learning ability, and can continuously improve its own level through interaction with users. Virtual humans are mainly used in virtual reality, human-computer interaction, games, education and other fields.
The types of virtual humans mainly include the following:
- 2D virtual person: a virtual person presented in the form of an image or animation.
- 3D virtual human: a virtual human presented in the form of a three-dimensional model.
- Holographic virtual human: a virtual human presented by holographic technology.
2. The general framework for making virtual humans
The components of a virtual human mainly include appearance, voice, action, emotion and so on. The production of a virtual human is a complex process that requires the integration of various technologies. The general architecture of virtual human refers to a reusable modular structure, which is used to make virtual human and improve the development efficiency and quality of virtual human. Different virtual human production processes will vary according to different application scenarios, but the following parts are the basic process of virtual human production.
The general architecture of virtual human includes the following parts:
1.3D modeling technology
3D modeling technology is the basis of virtual human production, and the appearance and shape of virtual human can be created through modeling software. 3D modeling technology includes modeling tools, material editors, animation editors, etc., which can create static and dynamic models.
2. Speech synthesis technology
Speech synthesis technology is used to generate the voice of a virtual human, and can generate natural language voice according to text content. The development of speech synthesis technology enables virtual humans to interact through speech, improving user experience.
3. Kinematics engine
The kinematics engine is used to simulate the movement and actions of the virtual human, including posture, gait, expression, etc. The kinematics engine can dynamically control and adjust the virtual human, so that the virtual human can truly simulate human actions.
4. Natural language processing technology
Natural language processing technology is used to understand the natural language input by the user, which can realize the natural language interaction between the virtual human and the user. Natural language processing technology includes speech recognition, language understanding, semantic analysis, etc., and can process speech and text input by users.
In addition, the metaverse technology that has emerged in recent years provides broader application scenarios and possibilities for the production of virtual humans. Among them, Avatar is a virtual reality engine based on powerful AI algorithm capabilities, providing customers with diversified styles of virtual image production and intelligent interactive services, helping to create virtual image digital assets and creating a variety of gameplay experiences. With product highlights such as custom personalized image, rich material decoration and multiple driving methods, it provides a standard avatar customization process, supports custom enterprise elements and a unique personalized material library, and can be flexibly matched and freely designed to match business scenarios. Interested partners can go to the official website of Zego ( https://www.zego.im/product/avatar ).
3. Virtual human drive technology
1. Joint drive technology
Features: Control the joint movement of the virtual human through the handle, sensor and other equipment, which can realize a more intuitive control method, suitable for games, virtual reality and other scenarios.
Technical process: collect the user's actions through handles, sensors and other devices, convert the actions into the joint motion of the virtual human, and present the motion and behavior of the virtual human through computer graphics technology.
Use scenarios: games, virtual reality, somatosensory interaction and other scenarios.
2. Motion capture technology
Features: Through the collection and analysis of real human motions, to control the motion and behavior of virtual humans, it can realize highly realistic virtual human motions and behaviors, suitable for movies, games, virtual reality and other scenes.
Technical process: Collect the movement of real human beings through the motion capture system, transform the movement data into the movement and behavior of the virtual human, and present the movement and behavior of the virtual human through computer graphics technology.
Use scenarios: movies, games, virtual reality and other scenarios.
3. Program-driven technology
Features: By writing programs to control the movement and behavior of virtual human, highly customized virtual human behavior can be realized, which is suitable for human-computer interaction, education and other scenarios.
Technical process: Realize the movement and behavior control of the virtual human by writing programs, and present the movement and behavior of the virtual human through computer graphics technology.
Use scenarios: human-computer interaction, education and other scenarios.
4. Deep Learning Technology
Features: Through the study and analysis of a large amount of data, the virtual human can learn and improve its own behavior independently, which can realize more intelligent virtual human behavior, suitable for artificial intelligence, machine learning and other scenarios.
Technical process: learn and analyze a large amount of data through deep learning algorithms, let virtual people learn and improve their own behavior independently, and present the movement and behavior of virtual people through computer graphics technology.
Use scenarios: artificial intelligence, machine learning and other scenarios.
That is, the avatar virtual human engine supports 5 driving methods, expression driving, voice driving, text driving, body driving, AR driving, and gesture recognition. Accurately captures facial expressions, based on 52 basic expression dimensions, restores and renders the expression follow-up effect in real time.
- Expression-driven: Real-time capture of user facial expressions and restore them through virtual image rendering.
- Sound drive: Input user voice data in real time to drive changes in the image and face.
- Text-driven: intelligently recognize text speech, and trigger the image to make a corresponding mouth.
- Body drive: Real-time capture of human body movement performance, allowing users to flexibly drive the whole body image.
4. Application Scenarios of Virtual Technology
Virtual human technology can be used in a wide range of scenarios, some of which are listed below:
1. Virtual human games: Virtual human beings act as characters in the game to provide users with a more realistic gaming experience.
2. Virtual human customer service: virtual human acts as a customer service representative to interact with users to provide more efficient services.
3. Virtual human education: As an educational robot, virtual human can make intelligent recommendations and counseling according to the user's learning situation.
4. Virtual human medical treatment: As a medical robot, virtual human can provide intelligent diagnosis and treatment suggestions according to the user's condition.
In short, virtual human technology is an important development direction in the field of artificial intelligence and metaverse technology, and it will play an important role in more fields in the future.
The instant virtual human solution is suitable for pan-entertainment scenarios such as chatting and live broadcasting. The virtual human/digital human technology can realize real-time interaction between real people and virtual human figures, increasing the playability and interest of the product. At the same time, it can also be applied to fields such as virtual worlds to bring users a more immersive experience.
| Applicable scene | scene description |
|---|---|
| live chat | It can be widely used in pan-entertainment scenarios such as voice chat and live broadcast, to realize real-time interaction between real people and virtual portraits, and to increase product playability and interest. |
| social interaction | It can be widely used in scenarios such as socializing with strangers, dating, etc., and supports users to set their own exclusive avatars to relieve anxiety about appearance and express individuality. |
| online training | It can be widely used in multi-person interaction scenarios such as online training, and users can enter the training scene through virtual images at any time, reducing the seriousness of training. |
That is, the virtual live broadcast solution of the Yuan Universe ( https://www.zego.im/solution/metalive )
The new live broadcast method, virtual images replace real people to create a different live broadcast experience, support facial expression follow-up, gesture recognition to trigger special effects and other playing methods.
That is, the metachat subjunctive chat solution ( https://www.zego.im/solution/metachat )
The avatar and the real person are in the same frame, interact with each other and chat with each other, support novel gameplay such as expression follow-up, voice drive, etc., to meet a variety of business scenarios
That is, the virtual live broadcast solution of the meta universe ( https://www.zego.im/solution/metaktv )
Quickly build a personalized and immersive metaverse panoramic karaoke scene, allowing users to become avatars to interact with karaoke
That is, the solution of the metafossa virtual nest ( https://www.zego.im/solution/metafossa )
Personalized space construction through low-threshold item editing, combined with rich interactive actions, to create a stylized and interesting personal space
5. Ways of Realizing Virtual Humans
Virtual human technology is widely used in games, entertainment, education and other fields, and it can also bring substantial commercial value. The realization method of virtual human technology mainly depends on the application scenario, and the appropriate realization method needs to be selected according to the characteristics and needs of the application scenario.
The ways of cashing out virtual people are mainly divided into the following aspects:
1. Games Virtual humans are more and more widely used in games, and can become game characters, NPCs, bosses, etc. Game manufacturers can realize virtual human technology by developing games. Virtual human can add fun and authenticity to games, and improve user experience and stickiness of games.
| Realization cost | Game development requires a lot of manpower, material and financial resources, and the application of virtual human technology also requires professional developers and technical support, and the cost is relatively high. |
|---|---|
| income | Games are a huge market. If virtual human technology is applied to games, it can enhance the user experience of games and increase the revenue of games. The performance of the virtual person in the game can also become one of the selling points of the game, attracting more players. |
2. Entertainment The application of virtual humans is also very extensive in the field of entertainment, and they can become anchors, singers, actors, etc. Virtual humans can bring new entertainment experiences to users, and can also bring commercial value to developers.
| Realization cost | The application of virtual human beings in the entertainment field requires a lot of manpower and technical support, and the image, voice, and movement of virtual human beings need to be carefully produced, and the cost is relatively high. |
|---|---|
| income | The application of virtual human in the field of entertainment can attract more users and increase the income of entertainment products. Virtual people can also become a new form of entertainment, bringing a new entertainment experience and making users more sticky. |
3. Education More and more attention has been paid to the application of virtual humans in the field of education, and they can become teachers, students, counselors, etc. Virtual humans can use virtual reality, artificial intelligence and other technologies to provide students with a more vivid and intuitive teaching experience, and can also bring commercial value to educational institutions.
| Realization cost | The application of virtual human in the field of education requires a lot of manpower and technical support, including the design, modeling, animation and interaction of virtual human. At the same time, it is necessary to develop corresponding educational content and resources for virtual humans, and the cost is relatively high. |
|---|---|
| income | The application of virtual humans in the field of education can provide students with new learning methods and experiences, and improve learning efficiency and interest. At the same time, the application of virtual humans in the field of education can also bring more users and benefits to educational institutions and increase the market competitiveness of educational products. |
6. The trend of virtual human technology
Virtual human technology is one of the hot spots in the application of artificial intelligence technology in recent years. With the continuous development of technology, the future trend of virtual human technology has also attracted the attention of the industry. Judging from the current development trend, the future development direction of virtual human technology mainly includes the following aspects:
1. A more realistic virtual person
The current virtual human technology can already achieve basic interaction and expression, but there is still a certain gap in authenticity. In the future, virtual human technology will pay more attention to the performance of authenticity, including facial expressions, body movements, voices, etc., to make virtual humans more realistic and allow users to immerse themselves in the virtual world.
2. More Personalized Virtual Humans
In the future, virtual human technology will pay more attention to personalized performance, use artificial intelligence technology to conduct personalized analysis on users, and design virtual human appearance, personality and other aspects according to user interests, preferences and other factors, making virtual human more in line with users demand.
3. A more intelligent virtual human
In the future, virtual human technology will pay more attention to intelligent performance, and use artificial intelligence technology to process users' speech recognition, emotional analysis, etc., so that virtual human can interact with users more intelligently and understand users better. demand.
4. Wider application scenarios
Virtual human technology has been widely used in games, live broadcast, social networking and other fields. In the future, virtual human technology will be applied to a wider range of scenarios, such as education, medical and other fields, to bring users more real, personalized and intelligent experience.
To sum up, the future development of virtual human technology will pay more attention to authenticity, personalization, intelligence and extensive performance, bringing more rich, interesting and practical experience to users, and will also promote the development of virtual human technology. Commercialization and industrialization process.