Retroactive search of objects using k-d tree

US9053191B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9053191-B2
Application numberUS-201213599162-A
CountryUS
Kind codeB2
Filing dateAug 30, 2012
Priority dateAug 30, 2012
Publication dateJun 9, 2015
Grant dateJun 9, 2015

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  5. First independent claim

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Abstract

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In one embodiment, a method includes at time t 2 , determining a delta set of first objects representing a difference between a first set of first objects at time t 1 and a second set of first objects at time t 2 ; comparing the delta set of first objects with a set of second objects represented as a balanced k-dimensional tree; and identifying each second object whose content substantially matches content of at least one first object from the delta set of first objects.

First claim

Opening claim text (preview).

What is claimed is: 1. A method comprising, by a computing device: at time t 2 , determining a delta set of first objects representing a difference between a first set of first objects at time t 1 and a second set of first objects at time t 2 , wherein each first object is a first image, wherein the first set of first objects is represented as a first k-dimensional tree, and wherein the second set of first objects is represented as a second k-dimensional tree; for each first ob…

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What does patent US9053191B2 cover?
In one embodiment, a method includes at time t 2 , determining a delta set of first objects representing a difference between a first set of first objects at time t 1 and a second set of first objects at time t 2 ; comparing the delta set of first objects with a set of second objects represented as a balanced k-dimensional tree; and identifying each second object whose content substantially ma…
Who is the assignee on this patent?
Chandrasekhar Vikram, Facebook Inc
What technology area does this patent fall under?
Primary CPC classification G06F17/30867. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Jun 09 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).