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Gaussian splatting model of a collapsed building taken from drone footage. 3D Gaussian splatting is a technique used in the field of real-time radiance field rendering. [3] It enables the creation of high-quality real-time novel-view scenes by combining multiple photos or videos, addressing a significant challenge in the field.
Usage of Differentiable 3D Gaussian Splatting, that is unstructured and explicit, hence allowing for rapid rendering, and also can be projected to 2D splats. Intuitively the covariance of the gaussian's can be thought of as configurations of an ellipsoid, which can be mathematically broken down into a scaling matrix and a rotation matrix.
Gaussian splatting is a newer method that can outperform NeRF in render time and fidelity. Rather than representing the scene as a volumetric function, it uses a sparse cloud of 3D gaussians. First, a point cloud is generated (through structure from motion) and converted to gaussians of initial covariance, color, and opacity. The gaussians are ...
Notable successful methods are Neural radiance fields, and 3D gaussian splatting. Applications of view synthesis are numerous, one of them being Free viewpoint television . See also
In scientific visualization and computer graphics, volume rendering is a set of techniques used to display a 2D projection of a 3D discretely sampled data set, typically a 3D scalar field. A typical 3D data set is a group of 2D slice images acquired by a CT , MRI , or MicroCT scanner .
It is sometimes referred to as "4D Gaussian splatting"; however, this naming convention implies the use of 4D Gaussian primitives (parameterized by a 4×4 mean and a 4×4 covariance matrix). Most work in this area still employs 3D Gaussian primitives, applying temporal constraints as an extra parameter of optimization.
Small object detection is a particular case of object detection where various techniques are employed to detect small objects in digital images and videos. "Small objects" are objects having a small pixel footprint in the input image.
Too lazy to, Aadirulez8, Muikuilani, and SafariScribe: I propose merging 3D Gaussian splatting into Gaussian splatting, and leaving 3D Gaussian splatting as a redirect. It is somewhat implied that in most cases, Gaussian Splatting is three dimensional.