PATENT CLAIM ANALYSIS

Application Number: 15940795
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["348", "241000"]

Abstract:
Imaging systems and methods are disclosed that use locally flat scenes to adjust image data. An imaging system includes an array of photodetectors configured to produce an array of intensity values corresponding to light intensity at the photodetectors. The imaging system can be configured to acquire a frame of intensity values, or an image frame, and analyze the image frame to determine if it is locally flat. If the image frame is locally flat, then that image data can be used to determine gradients present in the image frame. An offset mask can be determined from the image data and that offset mask can be used to adjust subsequently acquired image frames to reduce or remove gradients.

Claim (Index 1):
A method for adjusting an image using one or more images of locally flat scenes acquired with an imaging system comprising an imaging sensor with an array of photodetectors, the method comprising:\n acquiring image data with the array of photodetectors, the image data comprising an array of pixel intensity values; dividing at least a portion of the image data into a plurality of kernels; determining local contrast values for individual kernels, a local contrast value of an individual kernel based at least in part on pixel values within the individual kernel; determining that the image frame is a locally flat image frame if the local contrast values for at least a predetermined number of the individual kernels are less than or equal to a contrast threshold; and in response to determining that the image frame is a locally flat image frame:\n calculating an array of pixel adjustment values to generate an offset mask configured to adjust the pixel intensity values of the image data, wherein the pixel adjustment values are at least one of:\n the value of each individual pixel in the locally flat image frame; or \n a value representing a kernel of pixels from the locally flat image frame; and \n \n adjusting pixel intensity values of subsequently acquired image data using the offset mask.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 90.0
- Lexical Diversity: 2.08333
- Patent Class: 348.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14956111', '14702548', '14817847', '15629526', '15533677']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5720941790155486
- 35 USC 102 Novelty (BERT): 0.5532563037512751
- Combined Prediction Score: 0.5702103914891212
- Mean Citation Score: 241.089366
- Max Citation Score: 399.7333
- Similarity Product: 394.33154952029577

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

Dataset: test