SYSTEM AND METHOD FOR TRANSCRIBING HANDWRITTEN RECORDS USING WORD GROUPINGS BASED ON FEATURE VECTORS

Patent №

US 9,740,928

Granted

2017-08-22

Filed 2015

Owner

ANCESTRY.COM OPERATIONS INC.

Lab

AI components

5

ml · nlp · vision · planning · hardware

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

14841519

A handwriting recognition system converts word images on documents, such as document images of historical records, into computer searchable text. Word images (snippets) on the document are located, and have multiple word features identified. For each word image, a word feature vector is created representing multiple word features. Based on the similarity of word features (e.g., the distance between feature vectors), similar words are grouped together in clusters, and a centroid that has features most representative of words in the cluster is selected. A digitized text word is selected for each cluster based on review of a centroid in the cluster, and is assigned to all words in that cluster and is used as computer searchable text for those word images where they appear in documents. An analyst may review clusters to permit refinement of the parameters used for grouping words in clusters, including the adjustment of weights and other factors used for determining the distance between feature vectors.

Machine learningNatural languageVisionPlanningAI hardwareG06V 30/2264G06F 18/22G06F 18/23G06T 7/70G06V 10/762G06V 30/153G06V 30/224G06V 30/226+3 more

AI classification

Vision1.00
Natural language1.00
AI hardware0.99
Planning0.92
Machine learning0.91
Speech0.35
Knowledge representation0.00
Evolutionary computation0.00

Ownership

ANCESTRY.COM OPERATIONS INC.

assignment · 426790792

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