PATENT CLAIM ANALYSIS

Application Number: 16029328
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2018-11
Patent Classification: ["345", "419000"]

Abstract:
Enhanced removing of noise and outliers from one or more point sets generated by image-based 3D reconstruction techniques is provided. In accordance with the disclosure, input images and corresponding depth maps can be used to remove pixels that are geometrically and/or photometrically inconsistent with the colored surface implied by the input images. This allows standard surface reconstruction methods (such as Poisson surface reconstruction) to perform less smoothing and thus achieve higher quality surfaces with more features. In some implementations, the enhanced point-cloud noise removal in accordance with the disclosure can include computing per-view depth maps, and detecting and removing noisy points and outliers from each per-view point cloud by checking if points are consistent with the surface implied by the other input views.

Claim (Index 1):
A method for reconstructing a three-dimensional (3D) model of an object, the method being performed by a computer system and comprising:\n receiving images of the object, the images capturing the object from different viewpoints; obtaining a depth map for each of the images, the depth map including information relating to a surface of the object in the 3D space; projecting each pixel point in each depth map into a 3D space to obtain a point set; for each point in the point set, determining whether the point is consistent with the surface of the object in the 3D space as indicated by a set of depth maps for the images, wherein the consistency determination includes:\n for each depth map in the set:\n performing an intersection of a ray with the surface of the object indicated by the depth map to find an intersection point; and \n in response to the intersection point being found, determining a distance between the point and intersection point as a distance between the point and the surface of the object as seen from the camera viewpoint corresponding to the depth map; \n \n determining whether the point is consistent with the surface of the object based on one or more of the determined distances between the point and the surface of the object; and \n determining whether to discard the point from point set based on the determination whether the point is consistent with the surface of the object; and \n reconstructing the 3D model using the point set.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 95.0
- Lexical Diversity: 1.57143
- Patent Class: 345.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15283121', '15206918', '12299909', '15863799', '15957462']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6116640518699719
- 35 USC 102 Novelty (BERT): 0.506558561447268
- Combined Prediction Score: 0.6011535028277015
- Mean Citation Score: 192.373142
- Max Citation Score: 317.3579
- Similarity Product: 315.474055072391

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

Dataset: test