Nvidia Corporation

Other

Evgeny Makarov

Yury Y Uralsky

Alexey Panteleev

Sergey Bolotov

Dmitriy Zhdan

Henry Packard Moreton

Eric Brian Lum

Anatoly Julianovich Alexandrov

Daljus Antanas Baltrunas

Konstantin Yakovlevich Mishin

July Sergeevich Grushko

Cyril Crassin

Alexey Barkovoy

Recurrent blurring may be used to render frames of a virtual environment, where the radius of a filter for a pixel is based on a number of successfully accumulated frames that correspond to that pixel. To account for rejections of accumulated samples for the pixel, ray-traced samples from a lower resolution version of a ray-traced render may be used to increase the effective sample count for the pixel. Parallax may be used to control the accumulation speed along with an angle between a view vector that corresponds to the pixel. A magnitude of one or more dimensions of a filter applied to the pixel may be based on an angle of a view vector that corresponds to the pixel to cause reflections to elongate along an axis under glancing angles. The dimension(s) may be based on a direction of a reflected specular lobe associated with the pixel.

Denoising techniques suitable for recurrent blurs

A system for, and method of, computing reduced-resolution indirect illumination using interpolated directional incoming radiance and a graphics processing subsystem incorporating the system or the method. In one embodiment, the system includes: (1) a cone tracing shader executable in a graphics processing unit to compute directional incoming radiance cones for sparse pixels and project the directional incoming radiance cones on a basis and (2) an interpolation shader executable in the graphics processing unit to compute outgoing radiance values for untraced pixels based on directional incoming radiance values for neighboring ones of the sparse pixels.

System and method for computing reduced-resolution indirect illumination using interpolated directional incoming radiance

A graphics processing subsystem and method for updating a voxel representation of a scene. One embodiment of the graphics processing subsystem includes: (1) a memory configured to store a voxel representation of a scene having first and second regions to be updated, and (2) a graphics processing unit (GPU) operable to: (2a) unify the first and second regions into a bounding region if a volume thereof does not exceed summed volumes of the first and second regions by more than a tolerance, and (2b) generate voxels for the bounding region and cause the voxels to be stored in the voxel representation.

Graphics processing subsystem and method for updating voxel representation of a scene

A system, method, and computer program product are provided for performing dicing on a primitive. In use, a primitive to be rendered is identified. Additionally, preprocessing is performed on the primitive. Further, dicing is performed on the primitive, based on the preprocessing.

System, method, and computer program product for performing dicing on a primitive

A graphics processing subsystem and method for computing a 3D clipmap. One embodiment of the subsystem includes: (1) a renderer operable to render a primitive surface representable by a 3D clipmap, (2) a geometry shader (GS) configured to select respective major-plane viewports for a plurality of clipmap levels, the major-plane viewports being sized to represent full spatial extents of the 3D clipmap relative to a render target (RT) for the plurality of clipmap levels, (3) a rasterizer configured to employ the respective major-plane viewports and the RT to rasterize a projection of the primitive surface onto a major plane corresponding to the respective major-plane viewports into pixels representing fragments of the primitive surface for each of the plurality of clipmap levels, and (4) a plurality of pixel shader (PS) instances configured to transform the fragments into respective voxels in the plurality of clipmap levels, thereby voxelizing the primitive surface.

Graphics processing subsystem and method for computing a three-dimensional clipmap

A computing system and method for representing volumetric data for a scene. One embodiment of the computing system includes: (1) a memory configured to store a three-dimensional (3D) clipmap data structure having at least one clip level and at least one mip level, and (2) a processor configured to generate voxelized data for a scene and cause the voxelized data to be stored in the 3D clipmap data structure.

Computing system and method for representing volumetric data for a scene

A system, method, and computer program product are provided for using a bit-count texture format. A rasterized coverage bit mask is received by a texture processing unit from a bit-count format texture map, the rasterized coverage bit mask is converted to a scalar value, and the scalar value is processed while the rasterized coverage bit mask is retained in the bit-count format texture map. The coverage bit mask may be converted by computing a count of samples that are covered by at least one graphics primitive according to the rasterized coverage bit mask.

Bit-count texture format

A radiation source for Mossbauer investigations of tellurium compounds manufactured on the basis of 5MgO.Te.sup.124 O.sub.3 made by method of preparing this radiation source comprises irradiating 5MgO.Te.sup.124 O.sub.3 in a reactor by means of thermal neutrons, followed by annealing at a temperature ranging from 600.degree. to 1,100.degree. C for a period of from 5 to 10 hours.

Starting material radiation source for Mossbauer investigations of

A radiation source for Mossbauer investigations of tellurium compounds manufactured on the basis of 5MgO.Te.sup.124 O.sub.3. Method of preparing this radiation source comprises irradiating 5MgO.Te.sup.124 O.sub.3 in a reactor by means of thermal neutrons, followed by annealing at a temperature ranging from 600 to 1,100.degree. C for a period of from 5 to 10 hours.

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Moscow, Russia

Evgeny Makarov