US9270895B2 - Methods and apparatus for true high dynamic range imaging - Google Patents
Methods and apparatus for true high dynamic range imaging Download PDFInfo
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- US9270895B2 US9270895B2 US14/261,840 US201414261840A US9270895B2 US 9270895 B2 US9270895 B2 US 9270895B2 US 201414261840 A US201414261840 A US 201414261840A US 9270895 B2 US9270895 B2 US 9270895B2
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- H04N5/2355—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/50—Control of the SSIS exposure
- H04N25/57—Control of the dynamic range
- H04N25/58—Control of the dynamic range involving two or more exposures
- H04N25/587—Control of the dynamic range involving two or more exposures acquired sequentially, e.g. using the combination of odd and even image fields
- H04N25/589—Control of the dynamic range involving two or more exposures acquired sequentially, e.g. using the combination of odd and even image fields with different integration times, e.g. short and long exposures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/681—Motion detection
- H04N23/6811—Motion detection based on the image signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/683—Vibration or motion blur correction performed by a processor, e.g. controlling the readout of an image memory
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/50—Control of the SSIS exposure
- H04N25/57—Control of the dynamic range
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/50—Control of the SSIS exposure
- H04N25/57—Control of the dynamic range
- H04N25/58—Control of the dynamic range involving two or more exposures
- H04N25/587—Control of the dynamic range involving two or more exposures acquired sequentially, e.g. using the combination of odd and even image fields
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
- H04N25/772—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising A/D, V/T, V/F, I/T or I/F converters
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- H04N5/23254—
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- H04N5/23267—
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- H04N5/355—
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- H04N5/35572—
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- Transforming Light Signals Into Electric Signals (AREA)
- Studio Devices (AREA)
Abstract
Description
C R(T S)=I S /T S
Next, this count rate is used to predict the number of counts for the same scene at the long integration time (TL) by multiplying the estimated pixel count rate by the long integration time.
Predicted counts(T L)=C R *T L =I S *T L /T S
The
FW(T L)=floor(CR*T L/2m)
The
Estimated True Signal(T L)=floor(CR*T L/2m)*2m +I L
I THDR=bitshift(bitshift(I S ,n−m),m)+I L,
where bitshift(A, B) is equivalent to floor(A*2B) for negative values of B, and the floor operation rounds the value down to the nearest integer.
Claims (22)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/261,840 US9270895B2 (en) | 2013-07-31 | 2014-04-25 | Methods and apparatus for true high dynamic range imaging |
US14/995,557 US9615038B2 (en) | 2013-07-31 | 2016-01-14 | Methods and apparatus for true high dynamic range imaging |
US15/463,590 US10079984B2 (en) | 2013-07-31 | 2017-03-20 | Methods and apparatus for true high dynamic range imaging |
US16/103,366 US10694122B2 (en) | 2013-07-31 | 2018-08-14 | Methods and apparatus for true high dynamic range imaging |
US16/897,339 US11252351B2 (en) | 2013-07-31 | 2020-06-10 | Methods and apparatus for true high dynamic range imaging |
US17/577,867 US11632507B2 (en) | 2013-07-31 | 2022-01-18 | Methods and apparatus for true high dynamic range imaging |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361860438P | 2013-07-31 | 2013-07-31 | |
US14/261,840 US9270895B2 (en) | 2013-07-31 | 2014-04-25 | Methods and apparatus for true high dynamic range imaging |
Related Child Applications (1)
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US14/995,557 Continuation US9615038B2 (en) | 2013-07-31 | 2016-01-14 | Methods and apparatus for true high dynamic range imaging |
Publications (2)
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US20150036005A1 US20150036005A1 (en) | 2015-02-05 |
US9270895B2 true US9270895B2 (en) | 2016-02-23 |
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Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
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US14/261,840 Active US9270895B2 (en) | 2013-07-31 | 2014-04-25 | Methods and apparatus for true high dynamic range imaging |
US14/995,557 Active US9615038B2 (en) | 2013-07-31 | 2016-01-14 | Methods and apparatus for true high dynamic range imaging |
US15/463,590 Active US10079984B2 (en) | 2013-07-31 | 2017-03-20 | Methods and apparatus for true high dynamic range imaging |
US16/103,366 Active US10694122B2 (en) | 2013-07-31 | 2018-08-14 | Methods and apparatus for true high dynamic range imaging |
US16/897,339 Active US11252351B2 (en) | 2013-07-31 | 2020-06-10 | Methods and apparatus for true high dynamic range imaging |
US17/577,867 Active US11632507B2 (en) | 2013-07-31 | 2022-01-18 | Methods and apparatus for true high dynamic range imaging |
Family Applications After (5)
Application Number | Title | Priority Date | Filing Date |
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US14/995,557 Active US9615038B2 (en) | 2013-07-31 | 2016-01-14 | Methods and apparatus for true high dynamic range imaging |
US15/463,590 Active US10079984B2 (en) | 2013-07-31 | 2017-03-20 | Methods and apparatus for true high dynamic range imaging |
US16/103,366 Active US10694122B2 (en) | 2013-07-31 | 2018-08-14 | Methods and apparatus for true high dynamic range imaging |
US16/897,339 Active US11252351B2 (en) | 2013-07-31 | 2020-06-10 | Methods and apparatus for true high dynamic range imaging |
US17/577,867 Active US11632507B2 (en) | 2013-07-31 | 2022-01-18 | Methods and apparatus for true high dynamic range imaging |
Country Status (2)
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US (6) | US9270895B2 (en) |
WO (1) | WO2015016991A1 (en) |
Cited By (11)
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US20160134821A1 (en) * | 2013-07-31 | 2016-05-12 | Michael W. Kelly | Methods and apparatus for true high dynamic range imaging |
US9866770B2 (en) | 2015-10-21 | 2018-01-09 | Massachusetts Institute Of Technology | Methods and apparatus for true high dynamic range (THDR) time-delay-and-integrate (TDI) imaging |
DE102017102833A1 (en) | 2017-01-18 | 2018-07-19 | Heimann Sensor Gmbh | High resolution thermopile infrared sensor array |
US10425598B2 (en) | 2016-06-20 | 2019-09-24 | Massachusetts Institute Of Technology | Methods and systems for time-encoded multiplexed imaging |
US10520590B2 (en) | 2017-04-18 | 2019-12-31 | Bae Systems Information And Electronic Systems Integration Inc. | System and method for ranging a target with a digital-pixel focal plane array |
US10554899B2 (en) | 2016-12-16 | 2020-02-04 | Goodrich Corporation | HDR imaging |
US10581521B2 (en) | 2017-08-30 | 2020-03-03 | Massachusetts Institute Of Technology | Dual-mode imaging receiver |
US10616520B2 (en) | 2015-07-01 | 2020-04-07 | Massachusetts Institute Of Technology | Method and apparatus for on-chip per-pixel pseudo-random time coded exposure |
US10771722B2 (en) | 2017-09-29 | 2020-09-08 | Massachusetts Institute Of Technology | Methods for enabling in-field selection of near-sensor digital imaging functions |
US11184569B2 (en) * | 2018-11-27 | 2021-11-23 | Canon Kabushiki Kaisha | Image sensor and image capturing apparatus |
US11375146B2 (en) | 2019-02-26 | 2022-06-28 | Massachusetts Institute Of Technology | Wide-area sensing of amplitude modulated signals |
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US20100226495A1 (en) * | 2007-10-29 | 2010-09-09 | Michael Kelly | Digital readout method and apparatus |
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Cited By (23)
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US9615038B2 (en) * | 2013-07-31 | 2017-04-04 | Massachusetts Institute Of Technology | Methods and apparatus for true high dynamic range imaging |
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US9866770B2 (en) | 2015-10-21 | 2018-01-09 | Massachusetts Institute Of Technology | Methods and apparatus for true high dynamic range (THDR) time-delay-and-integrate (TDI) imaging |
US10142567B2 (en) | 2015-10-21 | 2018-11-27 | Massachusetts Institute Of Technology | Methods and apparatus for true high dynamic range (THDR) time-delay-and-integrate (TDI) imaging |
US10491839B2 (en) | 2015-10-21 | 2019-11-26 | Massachusetts Institute Of Technology | Methods and apparatus for true high dynamic range (THDR) time-delay-and-integrate (TDI) imaging |
US10425598B2 (en) | 2016-06-20 | 2019-09-24 | Massachusetts Institute Of Technology | Methods and systems for time-encoded multiplexed imaging |
US10554899B2 (en) | 2016-12-16 | 2020-02-04 | Goodrich Corporation | HDR imaging |
US10739201B2 (en) | 2017-01-18 | 2020-08-11 | Heimann Sensor Gmbh | High-resolution thermopile infrared sensor array |
US11187589B2 (en) | 2017-01-18 | 2021-11-30 | Heimann Sensor Gmbh | High-resolution thermopile infrared sensor array |
WO2018134288A1 (en) | 2017-01-18 | 2018-07-26 | Heimann Sensor Gmbh | High-resolution thermopile infrared sensor array |
DE102017102833A1 (en) | 2017-01-18 | 2018-07-19 | Heimann Sensor Gmbh | High resolution thermopile infrared sensor array |
US10520590B2 (en) | 2017-04-18 | 2019-12-31 | Bae Systems Information And Electronic Systems Integration Inc. | System and method for ranging a target with a digital-pixel focal plane array |
US10581521B2 (en) | 2017-08-30 | 2020-03-03 | Massachusetts Institute Of Technology | Dual-mode imaging receiver |
US10931372B2 (en) | 2017-08-30 | 2021-02-23 | Massachusetts Institute Of Technology | Dual-mode imaging receiver |
US10771722B2 (en) | 2017-09-29 | 2020-09-08 | Massachusetts Institute Of Technology | Methods for enabling in-field selection of near-sensor digital imaging functions |
US11184569B2 (en) * | 2018-11-27 | 2021-11-23 | Canon Kabushiki Kaisha | Image sensor and image capturing apparatus |
US11375146B2 (en) | 2019-02-26 | 2022-06-28 | Massachusetts Institute Of Technology | Wide-area sensing of amplitude modulated signals |
Also Published As
Publication number | Publication date |
---|---|
WO2015016991A1 (en) | 2015-02-05 |
US20190075264A1 (en) | 2019-03-07 |
US10079984B2 (en) | 2018-09-18 |
US10694122B2 (en) | 2020-06-23 |
US20220232181A1 (en) | 2022-07-21 |
US20200351459A1 (en) | 2020-11-05 |
US11252351B2 (en) | 2022-02-15 |
US11632507B2 (en) | 2023-04-18 |
US9615038B2 (en) | 2017-04-04 |
US20150036005A1 (en) | 2015-02-05 |
US20160134821A1 (en) | 2016-05-12 |
US20170208274A1 (en) | 2017-07-20 |
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