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Holography began to develop as early as the middle of the 20th century. At first, people mainly focused on how to use holography to achieve the reality of 3D images, in order to achieve a more immersive visual experience. However, the traditional holography is limited by its complex system design, computational complexity and space requirements, so its scope of application is limited to a certain extent. In recent years, with the rise of augmented reality (AR) and virtual reality (VR) technology, people have higher expectations for a more immersive interactive experience. Augmented reality technology enables virtual images to interact with the real world, while virtual reality technology creates a completely virtual environment. With the continuous development and innovation of science and technology, holographic technology, as one of the cutting-edge technologies in the field of augmented reality (AR) and virtual reality (VR), has been leading the development of digital image field. Although holographic technology has many advantages, there are some challenges in practical application. Among them, the increase of diffraction distance leads to the increase of image magnification is a restricting factor. This limitation makes it difficult for holography to be directly applied to multi-plane three-dimensional (3D) scenes, which limits its wide application in the field of augmented reality and virtual reality.

Micro-American holography (NASDAQ:WIMI) has been committed to the development and application of holographic technology. As a technology leader in the industry, WIMI holographic researchers have been trying to overcome these obstacles through technological innovation, deeply understanding the limitations of existing traditional technologies. The development of holographic scaling technology arises at the historic moment under this background. It counteracts the magnification in the process of optical reconstruction by scaling compensation mechanism, thus solving the limitation of holographic technology in the application process. The research and development of this technology aims to improve the performance and application range of holographic technology and promote the further development of augmented reality and virtual reality technology.

The holographic scaling technology of WIMI micro-beauty hologram is an innovative method based on Fourier hologram, which realizes the stable magnification and display of the image under different diffraction distances through accurate scaling compensation mechanism. Compared with the traditional Fourier holography, this technique not only maintains the clarity of the display image, but also achieves more compact design and fast computing speed. This technology can be combined with a spatial light modulator (SLM) to enable observers to view images nearby, thereby enhancing the user experience and immersion. The technical principle of WIMI holographic holographic scaling technology includes the following key steps:

Acquisition and recording of holograms: recording holographic information of objects. This step requires high-quality holographic recording equipment to obtain enough fine image information, including the shape, texture, color and other details of the object.

Fourier transform processing: the obtained hologram needs to go through mathematical processing such as Fourier transform to convert it into frequency domain information. The purpose of this step is to extract the complex information from the hologram and convert it into a form that is easy to be processed and reconstructed, which lays the foundation for the following processing steps.

Application of scaling compensation mechanism: in the process of optical reconstruction, holographic scaling technology will apply accurate scaling compensation mechanism. This mechanism can adjust the magnification of the image according to the change of the diffraction distance to ensure that the magnification of the image remains stable at different distances, so as to maintain the clarity and stability of the image.

Optical reconstruction and spatial light modulator (SLM): in the process of optical reconstruction, the hologram processed by Fourier transform and scaling compensation is reproduced by using spatial light modulator (SLM). The use of SLM enables the viewer to observe the image from different positions and angles, which enhances the viewing experience and immersion of the user.

The key of WIMI micro-beauty holographic scaling technology is the scaling compensation mechanism. First of all, it can counteract the change of magnification in the process of optical reconstruction by accurately adjusting the parameters of the optical system, so as to maintain the stable display and clarity of the image under different diffraction distances. Firstly, the scaling compensation mechanism needs to adjust the diffraction distance accurately. The diffraction distance refers to the projection distance of the holographic image in space, and the optical system under different distance will produce different magnification, so it needs to be adjusted by the specific diffraction distance. The system is calibrated according to the actual optical system parameters, including lens focal length, object distance and so on. By accurately calculating and calibrating the optical parameters, we can accurately predict the change of the magnification of the image at different distances, and formulate the corresponding compensation strategy.

Then, according to the diffraction distance and optical parameters, the magnification in the optical system is adjusted. This can be achieved by controlling the position or shape of the lens or mirror, so that the magnification of the image at different distances can be accurately controlled and compensated. At the same time, when adjusting the magnification, we need to pay attention to maintain the clarity and stability of the image. By optimizing the design and parameter adjustment of the optical system, we can ensure that the image can maintain a clear and stable effect at different distances, and avoid image blurring or distortion caused by the change of magnification. Scaling compensation mechanisms usually require real-time feedback and adjustment. The diffraction distance and image quality can be monitored in real time by the sensor or control system, and the optical system can be adjusted in real time according to the monitoring results to maintain the stability and clarity of the image.

WIMI micro-beauty holographic scaling technology can effectively counteract the change of magnification caused by the change of diffraction distance in the holographic process, ensure the stable display effect of the holographic image in different viewing positions, and provide a clear and real visual experience for the observer. The application of this technology greatly improves the application value of holography in the field of augmented reality and virtual reality, and provides reliable technical support for its practical application in various fields.

The experimental results show that the holographic scaling technology shows its excellent feasibility and potential. Compared with other existing technologies, it not only makes a breakthrough in image clarity and stability, but also has obvious advantages in the compactness of system design and the improvement of user experience. In the future, the R & D team will continue to further optimize the technology, improve its performance in practical applications, and explore its wider application in different fields.

The development of WIMI holographic holographic scaling technology is an innovative solution to solve the limitations of existing technologies at the intersection of holographic technology, augmented reality, virtual reality and other related fields. It combines holographic technology with the needs of modern virtual reality applications, brings more immersive visual experience for users, promotes the development of industry technology, and provides more stable and efficient technical support for holographic, augmented reality and virtual reality applications.

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