Patents
US 9900526 B2: Techniques to compensate for calibration drifts in infrared imaging devices
- Granted
- 2018-02-20
- Filed
- 2015-06-25 application 14749886
- Type
- Utility · 26 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Various techniques are provided to compensate for and/or update ineffective (e.g., stale) calibration terms due to calibration drifts in infrared imaging devices. For example, a virtual-shutter non-uniformity correction (NUC) procedure may be initiated to generate NUC terms to correct non-uniformities when appropriate triggering events and/or conditions are detected that may indicate presence of an object or scene to act as a shutter (e.g., a virtual shutter). Scene-based non-uniformity correction (SBNUC) may be performed during image capturing operations of the infrared imaging device, for example, when a virtual-shutter scene is not available. Further, snapshots of calibration data (e.g., NUC terms) produced during the virtual-shutter NUC procedure, the SBNUC process, and/or other NUC process may be taken. Such snapshots may be utilized to provide useful NUC data when the infrared imaging device starts up or is otherwise reactivated, so that the SBNUC or other NUC methods may produce effective results soon after the start-up. Such snapshots may also be utilized to update ineffective calibration terms.
Source: PVGPATDIS, file of 2026-04-10 (ipg180220.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| FLIR Systems, Inc. 370 patents | US company or organization | Wilsonville, OR | FLIR SYSTEMS INC Form D issuer EXACT high confidence: identical full name and state FLIR SYSTEMS INC SEC filer EXACT medium confidence: identical full name, one of each nationally | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Joseph Kostrzewa | Buellton, CA | 22 | PVGPATDIS, file of 2026-04-10 | |
| Vu L. Nguyen | Goleta, CA | 15 | PVGPATDIS, file of 2026-04-10 | |
| Theodore R. Hoelter | Goleta, CA | 74 | PVGPATDIS, file of 2026-04-10 | |
| Nicholas Högasten | Lompoc, CA | 92 | PVGPATDIS, file of 2026-04-10 | |
| Mark Nussmeier | Goleta, CA | 30 | PVGPATDIS, file of 2026-04-10 | |
| Eric A. Kurth | Lompoc, CA | 59 | PVGPATDIS, file of 2026-04-10 | |
| Katrin Strandemar | Rimbo, SE | 77 | PVGPATDIS, file of 2026-04-10 | |
| Pierre Boulanger | Goleta, CA | 60 | PVGPATDIS, file of 2026-04-10 | |
| Barbara Sharp | Lompoc, CA | 45 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H04N | Pictorial communication, e.g. television | H04N17/002 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2021-11-24 | Merger Merger and change of name | FLIR SYSTEMS, INC. signed 2021-05-14 FIREWORK MERGER SUB II, LLC signed 2021-05-14 | TELEDYNE FLIR, LLC THOUSAND OAKS, CA | 58830/871 | PASDL, file of 2026-10-15 |
| 2015-08-05 | Assignment Assignment of assignor's interest | STRANDEMAR, KATRIN signed 2015-06-23 BOULANGER, PIERRE signed 2015-06-24 HOELTER, THEODORE R. signed 2015-06-24 SHARP, BARBARA signed 2015-06-24 NUSSMEIER, MARK signed 2015-06-25 KURTH, ERIC A. signed 2015-06-26 NGUYEN, VU L. signed 2015-06-29 KOSTRZEWA, JOSEPH signed 2015-07-01 HÖGASTEN, NICHOLAS signed 2015-07-29 | FLIR SYSTEMS, INC. WILSONVILLE, OR | 36259/381 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.