## Ai generates 3d high-resolution reconstructions of people

If I take a picture of an object with a camera to assess the distance between the camera and the object, such as a scale model of a house, I’d like to transform it into a 3D model that I can switch around and comment on various aspects of the house.
I should be able to find out how to do this if I sit down and think about taking several images, marking route, and distance, but I figured I’d ask if anyone has some paper that could help explain it better.
Right now, I’m thinking of showing the building, and then the user can provide some height assistance, such as the distance from the camera to the top of that part of the model, and given enough of this, it should be possible to start calculating heights for the rest, particularly if there’s a top-down image, then pictures from angles on all four sides, to calculate relative heights.
Research has advanced greatly, and it is now possible to create fairly good-looking 3D shapes from 2D images. For example, our recent research paper “Synthesizing 3D Shapes by Modeling Multi-View Depth Maps and Silhouettes With Deep Generative Networks” made significant progress toward solving the problem of generating 3D shapes from 2D images. We show that you can not only go from 2D to 3D directly and get a fine, approximate 3D reconstruction, but you can also efficiently learn a distribution of 3D shapes and generate/synthesize 3D shapes in our work. An example of our work is shown below, demonstrating that we can recreate 3D models from a single silhouette or depth map (on the left). On the right, you can see the ground-truth 3D forms.

## Learning 3d reconstruction in function space (short version

We suggest a method for reconstructing a 3D model from a single 2D image in this paper. The GAN (Generative Adversarial Network) is used to create the model in today’s cutting-edge methods for 3D reconstruction. However, since all of the knowledge about a real object cannot be retrieved from only one side, the methods need several 2D images to recreate the 3D model. Since reconstructing a 3D model from a single view is a critical problem in realistic implementations, the device must be able to gain information about the object’s external environment more easily without causing the object to move.
As a result, we propose a method for learning the relationship between a 3D model and a 2D image in order to recreate 3D models from an image. This approach is divided into three parts. The view layer is the first component, which involves observing real-world objects and capturing 2D images. The layer looks in the 3D object library for a similar 2D image of the 3D model. The corresponding layer is the second component. The 2D image that corresponds to the 3D model is removed, and it is compared to real-world 2D images of objects. The 3D model’s 2D cross-section is found to be the most similar to the 2D version of the real-world object. The third component is the generative layer, which uses the model library to find the corresponding 3D model and then uses the GAN to reconstruct a 3D model that corresponds to the real object.

### 3d reconstruction of 2d images

Hello, Doug. I’m interested in your 3D image idea. I have 9 2D weather radar reflectivity (.png) images, each of which represents a single layer of radar elavation. For the backgroud of each picture, there is a black color. How can these 9 images be merged into a single 3D image? What is the best way to draw each one with some space between them? What is the best way to get rid of the background color? PS: The raw data format for the radar is.vols (volumetric format). Is it possible to generate a three-dimensional image from raw data… Please assist me, I’m new to Matlab (especially in image processing) Best wishes.

### 3d reconstruction with deep learning – eduard ramon

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Eleventh International Conference on Graphics and Image Processing (ICGIP 2019) Proceedings Volume 11373; 113732J (2020) https://doi.org/10.1117/12.2557947
Hangzhou, China, hosts the Eleventh International Conference on Graphics and Image Processing in 2019.
Object reconstruction is the process of inferring the 3D form of an object from a single or several 2D images in computer vision. Most popular frameworks employ voxel grids and point clouds for this purpose. Both methods, however, have significant drawbacks. On the one hand, as the resolution of the voxels increases, the computational cost of using them rises cubically. As a result, most 3D object reconstructions are set to a low resolution. Point clouds, on the other hand, are unstructured by default, making proper surface and contour description difficult. Via two simple learning processes: template selection and template deformation, 3D model reconstruction is carried out using free-form deformations on pre-existing 3D meshes in this analysis. This method allows for the development of high-quality 3D object reconstructions at a lower computational cost. A multi-target learner (Model A) and a depth knowledge learner (Model B) are two novel lightweight CNNs models that have been developed and tested (Model B). According to the findings, the multi-target learner performed three times better (with lower error) than the baseline architecture in terms of template selection, improving the accuracy of 3D reconstructions, while the depth-information learner showed promise in the reconstruction of objects with complex geometry. The inherent problem with using chamfer distance as a loss metric is also discussed.