CN110290316A - Adjust method, computer readable storage medium and the camera of the shutter upper limit of camera - Google Patents
Adjust method, computer readable storage medium and the camera of the shutter upper limit of camera Download PDFInfo
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- CN110290316A CN110290316A CN201910521486.6A CN201910521486A CN110290316A CN 110290316 A CN110290316 A CN 110290316A CN 201910521486 A CN201910521486 A CN 201910521486A CN 110290316 A CN110290316 A CN 110290316A
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- China
- Prior art keywords
- camera
- characteristic point
- shutter
- motion state
- upper limit
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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
-
- 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
-
- 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
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
The present invention is suitable for camera field, provides method, computer readable storage medium and the camera of a kind of shutter upper limit for adjusting camera.The described method includes: judging the motion state of camera according to gyro data or according to the characteristic point situation of movement of the stationary object in multiframe adjacent image；Adjust the shutter upper limit of camera in real time according to the motion state of camera.The present invention makes camera that can preferentially use shorter shutter and higher ISO during exercise, and guarantee fuzzy pictures will not occur because of the longer time for exposure；Longer shutter and lower ISO are preferentially used when static, so that reducing noise caused by high ISO promotes image quality.Very easy to use, user experience is good.
Description
Technical field
The invention belongs to camera field more particularly to a kind of method for the shutter upper limit for adjusting camera, computer-readable deposit
Storage media and camera.
Background technique
When being shot using camera, usually it is desirable to the pictures of moving scene to reduce fuzzy, the picture of common scenarios as far as possible
Face quality is as high as possible.However shutter priority or ISO (International can only be simply arranged in the camera of the prior art
Standardization Organization, sensitivity) it is preferential.For lasting short time movement and short time static alternating
The scene of appearance, people can only be by continuously adjusting the shutter upper limit of camera so that either moving scene or static scene
The image of high quality can be shot.Use very inconvenient, poor user experience.
Summary of the invention
The purpose of the present invention is to provide a kind of method of the shutter upper limit for adjusting camera, computer readable storage medium and
Camera, it is intended to which solving people can only be by continuously adjusting the shutter upper limit of camera so that either moving scene or static field
The problem of Jing Junneng shoots the image of high quality, and use is very inconvenient, poor user experience.
In a first aspect, the present invention provides a kind of methods of shutter upper limit for adjusting camera, which comprises
Camera is judged according to gyro data or according to the characteristic point situation of movement of the stationary object in multiframe adjacent image
Motion state；
Adjust the shutter upper limit of camera in real time according to the motion state of camera.
Second aspect, the present invention provides a kind of computer readable storage medium, the computer readable storage medium is deposited
Computer program is contained, the shutter of adjustment camera as described in relation to the first aspect is realized when the computer program is executed by processor
The step of method of the upper limit.
The third aspect, the present invention provides a kind of cameras, comprising: one or more processors；Memory；And one or
Multiple computer programs, the processor and the memory are connected by bus, wherein one or more of computer journeys
Sequence is stored in the memory, and is configured to be executed by one or more of processors, and the processor executes
The step of method of the shutter upper limit of adjustment camera as described in relation to the first aspect is realized when the computer program.
In the present invention, due to being moved according to gyro data or according to the characteristic point of the stationary object in multiframe adjacent image
Emotionally condition judges the motion state of camera, adjusts the shutter upper limit of camera in real time according to the motion state of camera.When therefore moving
Shorter shutter and higher ISO can be preferentially used, guarantee fuzzy pictures will not occur because of the longer time for exposure；It is static
Shi Youxian uses longer shutter and lower ISO, so that reducing noise caused by high ISO promotes image quality.It is very easy to use,
User experience is good.
Detailed description of the invention
Fig. 1 is the flow chart of the method for the shutter upper limit for the adjustment camera that the embodiment of the present invention one provides.
Fig. 2 is the specific block diagram for the camera that the embodiment of the present invention three provides.
Specific embodiment
In order to which the purpose of the present invention, technical solution and beneficial effect is more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Embodiment one:
Referring to Fig. 1, the embodiment of the present invention one provide adjustment camera the shutter upper limit method the following steps are included:
S101, judge according to gyro data or according to the characteristic point situation of movement of the stationary object in multiframe adjacent image
The motion state of camera.
In the embodiment of the present invention one, judge that the motion state of camera can specifically include following step according to gyro data
It is rapid:
The data of Inertial Measurement Unit (Inertial measurement unit, IMU) sensor are obtained, data include 3
Axis gyro data and 3 axle accelerations count；
The variance that 3 axle accelerations count is calculated by fixed frequency (such as 300ms), and finds out 3 axis gyroscope numbers
According to maximum value；
It is corresponding default to judge whether the maximum value for the variance and 3 axis gyro datas that 3 axle accelerations count is all larger than
Threshold value, if it is, being judged as that camera is kept in motion；Otherwise it is judged as that camera remains static.
In the embodiment of the present invention one, phase is judged according to the characteristic point situation of movement of the stationary object in multiframe adjacent image
The motion state of machine can specifically include following steps:
The characteristic point in multiframe adjacent image is calculated separately, characteristic point is matched, the characteristic point of filtering motions object,
Obtain the characteristic point of the stationary object in multiframe adjacent image；Wherein, characteristic point can be SIFT feature, SURF characteristic point,
ORB characteristic point, HOG characteristic point, LBP characteristic point, HAAR characteristic point etc.；The characteristic point of filtering motions object can specifically use
RANSAC (random sampling consistency) algorithm is filtered the characteristic point of moving object；
Judge whether the shift value of the characteristic point of the stationary object in multiframe adjacent image is less than preset displacement threshold value, such as
Fruit is then to be judged as that camera remains static；Alternatively, calculating the number of the characteristic point of the stationary object in multiframe adjacent image
Amount, judges whether the quantity of the characteristic point of stationary object is greater than preset amount threshold, if it is, being judged as that camera is in quiet
Only state.
S102, the shutter upper limit for adjusting camera in real time according to the motion state of camera.
In the embodiment of the present invention one, S102 is specifically as follows:
Whether the motion state of real-time detection camera changes, when the motion state for detecting camera changes,
The upper limit value for adjusting the shutter of camera, to control the time of shutter.
Specifically: when detect the motion state of camera from it is static become movement when, camera is adjusted to shorter shutter
With higher ISO, guarantee fuzzy pictures will not occur because of the longer time for exposure；When detecting the motion state of camera from fortune
It is dynamic when becoming static, camera is adjusted to longer shutter and lower ISO, so that reducing noise caused by high ISO promotes picture
Matter.
In the embodiment of the present invention one, S102 be can specifically include:
Obtain IQ (Image Quality, picture quality) parameter of the corresponding control exposure of 3A algorithm of camera；3A algorithm is
Refer to AF auto-focusing algorithm, AE automatic exposure algorithm and AWB automatic white balance algorithm；
According to the motion state real time modifying IQ parameter of camera；
It will be allowed to come into force in the 3A algorithm of modified IQ parameter setting to camera.
IQ parameter is actually the talbe (table) of the corresponding maximum analog gain of one group of different frame rates, adjusts the fast of camera
The door upper limit is exactly the value modified inside the table.For example frame per second is 30fps, when camera is static, corresponding maximum analog gain is
27db；When camera motion, modifying corresponding maximum analog gain is 33db；And gain is with ISO correlation, to reach indirectly
It influences or the purpose of control 3A algorithm control time for exposure.
Embodiment two:
Second embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable recording medium storage
There is computer program, is realized when the computer program is executed by processor such as the adjustment camera that the embodiment of the present invention one provides
The step of method of the shutter upper limit.
Embodiment three:
Fig. 2 shows the specific block diagrams for the camera that the embodiment of the present invention three provides, and a kind of camera 100 includes: one
Or multiple processors 101, memory 102 and one or more computer program, wherein the processor 101 and described depositing
Reservoir 102 is connected by bus, and one or more of computer programs are stored in the memory 102, and are matched
It is set to and is executed by one or more of processors 101, the processor 101 realizes such as this hair when executing the computer program
The step of method of the shutter upper limit for the adjustment camera that bright embodiment one provides.
In the present invention, due to being moved according to gyro data or according to the characteristic point of the stationary object in multiframe adjacent image
Emotionally condition judges the motion state of camera, adjusts the shutter upper limit of camera in real time according to the motion state of camera.When therefore moving
Shorter shutter and higher ISO can be preferentially used, guarantee fuzzy pictures will not occur because of the longer time for exposure；It is static
Shi Youxian uses longer shutter and lower ISO, so that reducing noise caused by high ISO promotes image quality.It is very easy to use,
User experience is good.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random
Access Memory), disk or CD etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of method for the shutter upper limit for adjusting camera, which is characterized in that the described method includes:
The fortune of camera is judged according to gyro data or according to the characteristic point situation of movement of the stationary object in multiframe adjacent image
Dynamic state；
Adjust the shutter upper limit of camera in real time according to the motion state of camera.
2. the method as described in claim 1, which is characterized in that described to judge that the motion state of camera has according to gyro data
Body includes:
The data of Inertial Measurement Unit sensor are obtained, data include that 3 axis gyro datas and 3 axle accelerations count；
The variance that 3 axle accelerations count is calculated by fixed frequency, and finds out the maximum value of 3 axis gyro datas；
Judge whether the maximum value for the variance and 3 axis gyro datas that 3 axle accelerations count is all larger than corresponding preset threshold,
If it is, being judged as that camera is kept in motion；Otherwise it is judged as that camera remains static.
3. the method as described in claim 1, which is characterized in that moved according to the characteristic point of the stationary object in multiframe adjacent image
Emotionally condition judges that the motion state of camera specifically includes:
The characteristic point in multiframe adjacent image is calculated separately, characteristic point is matched, the characteristic point of filtering motions object obtains
The characteristic point of stationary object in multiframe adjacent image；
Judge whether the shift value of the characteristic point of the stationary object in multiframe adjacent image is less than preset displacement threshold value, if
It is then to be judged as that camera remains static；Alternatively, the quantity of the characteristic point of the stationary object in multiframe adjacent image is calculated,
Judge whether the quantity of the characteristic point of stationary object is greater than preset amount threshold, if it is, being judged as that camera is in static
State.
4. method as claimed in claim 3, which is characterized in that the characteristic point is SIFT feature, SURF characteristic point, ORB
Characteristic point, HOG characteristic point, LBP characteristic point or HAAR characteristic point.
5. method as claimed in claim 3, which is characterized in that the characteristic point of filtering motions object specifically uses RANSAC algorithm
To be filtered to the characteristic point of moving object.
6. the method as described in claim 1, which is characterized in that the motion state according to camera adjusts the fast of camera in real time
The door upper limit specifically:
Whether the motion state of real-time detection camera changes, when the motion state for detecting camera changes, adjustment
The upper limit value of the shutter of camera, to control the time of shutter.
7. method as claimed in claim 6, which is characterized in that it is described when the motion state for detecting camera changes,
The upper limit value for adjusting the shutter of camera, to control the time of shutter specifically:
When detect the motion state of camera from it is static become movement when, camera is adjusted to shorter shutter and higher ISO,
When the motion state for detecting camera becomes static from movement, camera is adjusted to longer shutter and lower ISO.
8. the method as described in claim 1, which is characterized in that the motion state according to camera adjusts the fast of camera in real time
The door upper limit specifically:
Obtain the IQ parameter of the corresponding control exposure of 3A algorithm of camera；3A algorithm refers to AF auto-focusing algorithm, AE automatic exposure
Algorithm and AWB automatic white balance algorithm；
According to the motion state real time modifying IQ parameter of camera；
It will be allowed to come into force in the 3A algorithm of modified IQ parameter setting to camera.
9. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In the computer program is realized when being executed by processor on the shutter of adjustment camera as claimed in any one of claims 1 to 8
The step of method of limit.
10. a kind of camera, comprising: one or more processors；Memory；And one or more computer programs, the place
Reason device is connected with the memory by bus, wherein one or more of computer programs are stored in the memory
In, and be configured to be executed by one or more of processors, which is characterized in that the processor executes the computer
The step of method of the shutter upper limit of adjustment camera as claimed in any one of claims 1 to 8 is realized when program.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521486.6A CN110290316A (en) | 2019-06-17 | 2019-06-17 | Adjust method, computer readable storage medium and the camera of the shutter upper limit of camera |
| PCT/CN2020/096290 WO2020253670A1 (en) | 2019-06-17 | 2020-06-16 | Method for adjusting upper limit of shutter of camera, and computer-readable storage medium and camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521486.6A CN110290316A (en) | 2019-06-17 | 2019-06-17 | Adjust method, computer readable storage medium and the camera of the shutter upper limit of camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110290316A true CN110290316A (en) | 2019-09-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910521486.6A Pending CN110290316A (en) | 2019-06-17 | 2019-06-17 | Adjust method, computer readable storage medium and the camera of the shutter upper limit of camera |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110290316A (en) |
| WO (1) | WO2020253670A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020253670A1 (en) * | 2019-06-17 | 2020-12-24 | 影石创新科技股份有限公司 | Method for adjusting upper limit of shutter of camera, and computer-readable storage medium and camera |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20110193990A1 (en) * | 2010-02-08 | 2011-08-11 | Pillman Bruce H | Capture condition selection from brightness and motion |
| CN102857685A (en) * | 2011-06-29 | 2013-01-02 | 宏达国际电子股份有限公司 | Image capturing method and image capturing system |
| CN104811609A (en) * | 2015-03-03 | 2015-07-29 | 小米科技有限责任公司 | Photographing parameter adjustment method and device |
| CN105681626A (en) * | 2016-02-25 | 2016-06-15 | 广东欧珀移动通信有限公司 | Detection method, control method, detection device, control device and electronic device |
| US20170034440A1 (en) * | 2015-07-31 | 2017-02-02 | Canon Kabushiki Kaisha | Image pickup apparatus that sets shutter speed for moving image shooting, method of controlling the same, and storage medium |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008289032A (en) * | 2007-05-21 | 2008-11-27 | Canon Inc | Imaging apparatus |
| CN110290316A (en) * | 2019-06-17 | 2019-09-27 | 深圳岚锋创视网络科技有限公司 | Adjust method, computer readable storage medium and the camera of the shutter upper limit of camera |
-
2019
- 2019-06-17 CN CN201910521486.6A patent/CN110290316A/en active Pending
-
2020
- 2020-06-16 WO PCT/CN2020/096290 patent/WO2020253670A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110193990A1 (en) * | 2010-02-08 | 2011-08-11 | Pillman Bruce H | Capture condition selection from brightness and motion |
| CN102857685A (en) * | 2011-06-29 | 2013-01-02 | 宏达国际电子股份有限公司 | Image capturing method and image capturing system |
| CN104811609A (en) * | 2015-03-03 | 2015-07-29 | 小米科技有限责任公司 | Photographing parameter adjustment method and device |
| US20170034440A1 (en) * | 2015-07-31 | 2017-02-02 | Canon Kabushiki Kaisha | Image pickup apparatus that sets shutter speed for moving image shooting, method of controlling the same, and storage medium |
| CN105681626A (en) * | 2016-02-25 | 2016-06-15 | 广东欧珀移动通信有限公司 | Detection method, control method, detection device, control device and electronic device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020253670A1 (en) * | 2019-06-17 | 2020-12-24 | 影石创新科技股份有限公司 | Method for adjusting upper limit of shutter of camera, and computer-readable storage medium and camera |
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| Publication number | Publication date |
|---|---|
| WO2020253670A1 (en) | 2020-12-24 |
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| CB02 | Change of applicant information |
Address after: 518000 Guangdong, Shenzhen, Baoan District Xin'an street, Hai Xiu Road 23, 6 A 601603605, long Kong Century Towers, 601603605 Applicant after: Yingshi Innovation Technology Co., Ltd Address before: 518000 Guangdong, Shenzhen, Baoan District Xin'an street, Hai Xiu Road 23, 6 A 601603605, long Kong Century Towers, 601603605 Applicant before: SHENZHEN ARASHI VISION Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190927 |
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| RJ01 | Rejection of invention patent application after publication |