CN-122008852-A - Suspension type 3D imaging method, imaging system and vehicle

CN122008852ACN 122008852 ACN122008852 ACN 122008852ACN-122008852-A

Abstract

The application provides a suspension type 3D imaging method, an imaging system and a vehicle, and relates to the technical field of intelligent cabin suspension 3D imaging. The method comprises the steps of obtaining N sub-images of an ith area of a digital three-dimensional model, wherein i is more than or equal to 1, forming a first image sequence of the ith area based on the N sub-images, carrying out reassignment on the arrangement sequence of the sub-images of the first image sequence to form a second image sequence of the ith area, wherein the arrangement sequence of the second image sequence is different from that of the first image sequence, carrying out rearrangement on the initial arrangement sequence of the sub-images, recovering the correct mapping relation of left and right eye images, ensuring that the right and left eyes can receive correct parallax information after an optical signal is reflected by a micro-mirror array plate, and solving the problem of depth inversion introduced by the micro-mirror array plate.

Inventors

CHENG YINUO
SHANG SHAN

Assignees

北京经纬恒润科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260413

Claims (10)

1. A method of suspended 3D imaging, comprising: Providing a digital three-dimensional model, and acquiring a plurality of parallax images of the digital three-dimensional model, wherein the parallax images respectively correspond to different areas of the digital three-dimensional model; The imaging module comprises a three-dimensional display assembly and a micro-mirror array plate, wherein the three-dimensional display assembly forms N viewpoints of the digital three-dimensional model based on the parallax images, and the micro-mirror array plate forms a floating 3D image of the digital three-dimensional model based on the N viewpoints; acquiring a plurality of parallax images of the digital three-dimensional model includes: acquiring N sub-images of an ith area of the digital three-dimensional model, wherein i is more than or equal to 1, the ith area is any one of different areas of the digital three-dimensional model, and the N sub-images respectively represent the N viewpoint images of the ith area; Forming a first image sequence of the ith region based on the N sub-images, wherein the N sub-images are arranged according to a first preset order in the first image sequence; and reassigning the arrangement sequence of the sub-images to the first image sequence to form a second image sequence of the ith area, wherein in the second image sequence, the N sub-images are arranged according to a second preset sequence, and the second preset sequence is different from the first preset sequence.
2. The method of claim 1, wherein the nth sub-image in the second predetermined sequence is an n+1-nth sub-image in the first predetermined sequence, where N is greater than or equal to 1.
3. The method of claim 1, wherein the three-dimensional display assembly comprises a display panel and lenticular lens gratings, and a plane of the lenticular lens gratings is parallel to a plane of the display panel; forming the N viewpoints of the digital three-dimensional model using the three-dimensional display assembly includes: the display panel is divided into a plurality of pixel areas, the pixel areas are in one-to-one correspondence with the parallax images, the parallax images are mapped to the corresponding pixel areas, and an interlaced image of the digital three-dimensional model is formed on the display panel, wherein the pixel areas comprise N sub-pixel areas, the sub-pixel areas are in one-to-one correspondence with the sub-images, and the N sub-images are arranged in the pixel areas according to the second preset sequence; The lenticular lens grating forms the N viewpoints based on the interlaced image displayed on the display panel.
4. A suspended 3D imaging method according to claim 3, wherein the display panel comprises a plurality of columns of pixel cell columns arranged along a first direction, the pixel cell columns extending along a second direction, and the pixel cell columns comprising at least one of red light emitting columns, green light emitting columns, and blue light emitting columns, the first direction intersecting the second direction; The lenticular lens grating comprises a plurality of lenticular lenses which are arranged periodically, the lenticular lenses extend along a third direction, the third direction crosses the second direction, and a first preset included angle is formed between the third direction and the second direction; wherein the columnar lenses correspond to at least two columns of the pixel unit columns; the lenticular lens grating forming the N viewpoints based on the interlaced image displayed on the display panel includes: the lenticular lens transmits light beams from different parallax images to different directions, forming the N viewpoints.
5. The suspended 3D imaging method of claim 4, wherein forming the first image sequence of the i-th region based on the N sub-images comprises: Acquiring a mapping relationship between the sub-pixel region in the pixel region corresponding to the ith region and the sub-image based on the position of the sub-pixel region in the pixel region corresponding to the ith region, the number of viewpoints, the number of sub-pixel regions corresponding to the lenticular lens and the first preset included angle; and mapping the sub-image to the corresponding sub-pixel region based on the mapping relation between the sub-pixel region and the sub-image, so as to form a first image sequence of the ith region based on the N sub-images.
6. A suspended 3D imaging system, wherein the imaging system performs the suspended 3D imaging method of any one of claims 1-5 to form a suspended 3D image of a digital three-dimensional model, the imaging system comprising an imaging module comprising a three-dimensional display assembly and a micromirror array plate; The imaging module forms a suspended 3D image of the digital three-dimensional model based on a plurality of parallax images of the digital three-dimensional model, wherein the plurality of parallax images respectively correspond to different areas of the digital three-dimensional model; The parallax image comprises N sub-images, the N sub-images are in one-to-one correspondence with the N viewpoints, and the N sub-images form a second image sequence which is arranged according to a second preset sequence, wherein the second image sequence is obtained based on the reassignment of the sub-image arrangement sequence of a first image sequence, the N sub-images in the first image sequence are arranged according to a first preset sequence, and the second preset sequence is different from the first preset sequence.
7. The suspended 3D imaging system of claim 6, wherein the micromirror array plate comprises a first micromirror array layer and a second micromirror array layer, the first and second micromirror array layers comprising a plurality of reflective micromirrors; Wherein the reflective micromirrors in the first micromirror array layer are orthogonally arranged with the reflective micromirrors in the second micromirror array layer.
8. The floating 3D imaging system of claim 6, wherein the plane of the micromirror array plate is inclined with respect to the plane of the three-dimensional display assembly, and a second predetermined angle is formed between the plane of the micromirror array plate and the plane of the three-dimensional display assembly.
9. A vehicle comprising an intelligent cockpit controller and a suspended 3D imaging system, the suspended 3D imaging system being the suspended 3D imaging system of any one of claims 6-8; The intelligent cabin domain controller is used for providing at least one digital three-dimensional model, acquiring a plurality of parallax images of the digital three-dimensional model, and carrying out reassignment on the arrangement sequence of the sub-images of the first image sequence to form a second image sequence, wherein the at least one digital three-dimensional model comprises a preset digital three-dimensional model and a digital three-dimensional model formed based on a user image; the intelligent cabin domain controller is further used for performing suspended 3D imaging of the digital three-dimensional model and multi-modal human-computer interaction of the user, wherein the multi-modal human-computer interaction comprises human-computer interaction of the suspended 3D imaging of the digital three-dimensional model and the user based on expression, gesture, voice and emotion of the user.
10. The vehicle of claim 9, further comprising a streaming media rearview mirror system, an onboard head-up display system, a pixel headlight; The intelligent cabin domain controller is used for receiving and processing the image shot by the streaming media rearview mirror system, outputting the image to the vehicle-mounted head-up display system, receiving and processing head-up display data, outputting the head-up display data to the vehicle-mounted head-up display system, and controlling the display of the pixel headlight; The intelligent cabin domain controller is further used for performing suspended 3D imaging of the digital three-dimensional model and human-computer interaction of a user based on the image shot by the streaming media rearview mirror system, performing suspended 3D imaging of the digital three-dimensional model and human-computer interaction of the user based on the head-up display data, and performing suspended 3D imaging of the digital three-dimensional model and human-computer interaction of the user based on the display of the pixel headlight.

Description

Suspension type 3D imaging method, imaging system and vehicle Technical Field The application relates to the technical field of intelligent cabin suspension type 3D imaging, in particular to a suspension type 3D imaging method, a suspension type 3D imaging system and a vehicle. Background Three-dimensional (3D) display technology has important application value and wide development prospect in a plurality of fields. Whereas traditional 3D displays always rely on physical screens, which impairs the immersive properties of 3D visualization. In contrast, through combining the suspension display element with the three-dimensional technology, the suspension 3D display technology realized does not need an entity screen, can provide more immersive and more vivid 3D impression, and has great application value in the fields of intelligent cabin man-machine interaction and the like. However, the current floating 3D display technology is still limited by the problems of depth inversion and the like. Disclosure of Invention In view of the above, the application provides a suspended 3D imaging method, an imaging system and a vehicle, and the scheme is as follows: in a first aspect, the present application provides a suspended 3D imaging method comprising: Providing a digital three-dimensional model, and acquiring a plurality of parallax images of the digital three-dimensional model, wherein the parallax images respectively correspond to different areas of the digital three-dimensional model; The imaging module comprises a three-dimensional display assembly and a micro-mirror array plate, wherein the three-dimensional display assembly forms N viewpoints of the digital three-dimensional model based on the parallax images, and the micro-mirror array plate forms a floating 3D image of the digital three-dimensional model based on the N viewpoints; acquiring a plurality of parallax images of the digital three-dimensional model includes: acquiring N sub-images of an ith area of the digital three-dimensional model, wherein i is more than or equal to 1, the ith area is any one of different areas of the digital three-dimensional model, and the N sub-images respectively represent the N viewpoint images of the ith area; Forming a first image sequence of the ith region based on the N sub-images, wherein the N sub-images are arranged according to a first preset order in the first image sequence; and reassigning the arrangement sequence of the sub-images to the first image sequence to form a second image sequence of the ith area, wherein in the second image sequence, the N sub-images are arranged according to a second preset sequence, and the second preset sequence is different from the first preset sequence. In a second aspect, the present application provides a suspended 3D imaging system, where the imaging system performs any one of the above suspended 3D imaging methods to form a suspended 3D image of a digital three-dimensional model, and the imaging system includes an imaging module, where the imaging module includes a three-dimensional display assembly and a micromirror array plate; The imaging module forms a suspended 3D image of the digital three-dimensional model based on a plurality of parallax images of the digital three-dimensional model, wherein the plurality of parallax images respectively correspond to different areas of the digital three-dimensional model; The parallax image comprises N sub-images, the N sub-images are in one-to-one correspondence with the N viewpoints, and the N sub-images form a second image sequence which is arranged according to a second preset sequence, wherein the second image sequence is obtained based on the reassignment of the sub-image arrangement sequence of a first image sequence, the N sub-images in the first image sequence are arranged according to a first preset sequence, and the second preset sequence is different from the first preset sequence. In a third aspect, the present application provides a vehicle comprising an intelligent cabin controller and a suspended 3D imaging system, the suspended 3D imaging system being the suspended 3D imaging method of any one of the above; The intelligent cabin domain controller is used for providing at least one digital three-dimensional model, acquiring a plurality of parallax images of the digital three-dimensional model, and carrying out reassignment on the arrangement sequence of sub-images of the first image sequence to form the second image sequence, wherein the at least one digital three-dimensional model comprises a preset digital three-dimensional model and a digital three-dimensional model formed based on a user image; the intelligent cabin domain controller is further used for performing suspended 3D imaging of the digital three-dimensional model and multi-modal human-computer interaction of the user, wherein the multi-modal human-computer interaction comprises human-computer interaction of the suspended 3D imaging of the digital three-d