PATENT CLAIM ANALYSIS

Application Number: 15881554
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-09
Patent Classification: ["345", "426000"]

Abstract:
In various embodiments, a finite aperture omni-directional camera is modeled by aligning a finite aperture lens and focal point with the omni-directional part of the projection. For example, each point on an image plane maps to a direction in camera space. For a spherical projection, the lens can be orientated along this direction and the focal point is picked along this direction at focal distance from the lens. For a cylindrical projection, the lens can be oriented along the projected direction on the two dimensional ( 2 D) xz-plane, as the projection is not omni-directional in the y direction. The focal point is picked along the (unprojected) direction so its projection on the xz-plane is at focal distance from the lens. The final outgoing ray can be constructed by sampling of point on this oriented lens and shooting a ray from there through the focal point.

Claim (Index 17):
A computer system comprising:\n a processor; and a memory coupled to said processor; wherein said memory comprises instructions for implementing a method of generating an image, said method comprising: a) accessing a first data model of an environment captured by a virtual reality camera system, said data model representing an image backplate; b) accessing a second data model of objects within a virtualized three dimensional (3D) space, wherein said image backplate is within said space; c) simulating a presence of at least one light source, or camera into the space, within said space and casting a ray from said light source, or said camera, to a point, p, in said space, possibly after interacting with objects in the second data model, using ray tracing techniques; d) simulating a finite aperture with respect to a camera capturing a two dimensional (2D) projection of a 3D scene by projecting a ray from said point p, through a focal point of said camera, to a lens point l within said finite aperture of said camera; e) provided said point p lies within said backplate and is not occluded from a camera performing the following:\n e 1 ) based on the point p, performing inverse mapping to obtain an orientation in camera space corresponding to said point p and said lens point l, wherein said orientation is defined by two values; \n e 2 ) based on said orientation, performing inverse mapping to obtain a pixel, s, on a capture plane of said camera corresponding to said point p and said lens point l; and \n e 3 ) using said pixel s, looking up a color value within the first data model corresponding to pixel s, and using this color value to compute a ray tracing value at said point p; and \n f) provided said point p lies within an object of said objects and is not occluded from a camera, performing the following:\n f 1 ) based on the point p, performing inverse mapping to obtain a orientation in camera space corresponding to said point p and said lens point l, wherein said orientation is defined by two values; \n f 2 ) based on said orientation, performing inverse mapping to obtain a pixel, s, on a capture plane of said camera corresponding to said point p and said lens point l; and \n f 3 ) at said pixel s of said capture plane, rendering energy contribution from said point p.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 86.0
- Lexical Diversity: 2.28571
- Patent Class: 345.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15759222', '14018155', '12670095', '13427121', '15697084']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.574234915303546
- 35 USC 102 Novelty (BERT): 0.4909841330768367
- Combined Prediction Score: 0.5659098370808752
- Mean Citation Score: 155.43972000000005
- Max Citation Score: 160.69255
- Similarity Product: 105.32922456106544

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test