In computer vision and computer graphics, 4D reconstruction is the process of capturing the shape and appearance of real objects along a temporal dimension.
[Dou, Mingsong, et al.]
Fusion4d: Real-time performance capture of challenging scenes
" ACM Transactions on Graphics (TOG) 35.4 (2016): 1-13.[Oswald, Martin Ralf, Jan Stühmer, and Daniel Cremers.]
Generalized connectivity constraints for spatio-temporal 3d reconstruction
" European Conference on Computer Vision. Springer, Cham, 2014.[Dong, Jing, et al.]
4D crop monitoring: Spatio-temporal reconstruction for agriculture
" 2017 IEEE International Conference on Robotics and Automation (ICRA). IEEE, 2017. This process can be accomplished by methods such as
depth camera
Range imaging is the name for a collection of techniques that are used to produce a 2D image showing the distance to points in a scene from a specific point, normally associated with some type of sensor device.
The resulting range image has pix ...
imaging,
photometric stereo
Photometric stereo is a technique in computer vision for estimating the surface normals of objects by observing that object under different lighting conditions. It is based on the fact that the amount of light reflected by a surface is dependent ...
, or
structure from motion
Structure from motion (SfM) is a photogrammetric range imaging technique for estimating three-dimensional structures from two-dimensional image sequences that may be coupled with local motion signals. It is studied in the fields of computer visio ...
,
[Kyriakaki, Georgia, et al.]
4D reconstruction of tangible cultural heritage objects from web-retrieved images
" International Journal of Heritage in the Digital Era 3.2 (2014): 431-451. and is also referred to as spatio-temporal reconstruction.
See also
*
3D reconstruction
In computer vision and computer graphics, 3D reconstruction is the process of capturing the shape and appearance of real objects.
This process can be accomplished either by active or passive methods. If the model is allowed to change its shape i ...
*
Free viewpoint television
Free viewpoint television (FTV) is a system for viewing natural video, allowing the user to interactively control the viewpoint and generate new views of a dynamic scene from any 3D position.
The equivalent system for computer-simulated video is ...
*
Structure from motion
Structure from motion (SfM) is a photogrammetric range imaging technique for estimating three-dimensional structures from two-dimensional image sequences that may be coupled with local motion signals. It is studied in the fields of computer visio ...
*
Volumetric video
Volumetric capture or volumetric video is a technique that captures a three-dimensional space, such as a location or performance. This type of volumography acquires data that can be viewed on flat screens as well as using 3D displays and VR go ...
References
External links
c-Space: 4D Reconstruction from pictures and videos
Computer graphics
3D imaging
{{Compu-graphics-stub