CN101800834A - Device and method for compensating exchangeable image file information of digital image - Google Patents
Device and method for compensating exchangeable image file information of digital image Download PDFInfo
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- CN101800834A CN101800834A CN 201010145688 CN201010145688A CN101800834A CN 101800834 A CN101800834 A CN 101800834A CN 201010145688 CN201010145688 CN 201010145688 CN 201010145688 A CN201010145688 A CN 201010145688A CN 101800834 A CN101800834 A CN 101800834A
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Abstract
The invention relates to a device and a method for compensating exchangeable image file information of a digital image. The device comprises an acceleration sensor, a magnetic sensor, an exchangeable image file information storage element and an image processing chip, wherein the image processing chip is respectively connected with the acceleration sensor, the magnetic sensor and the exchangeable image file information storage element; the acceleration sensor and the magnetic sensor are used for detecting an angle of a photographing equipment body relative to the horizontal plane, an angle of a camera lens relative to the horizontal plane and an azimuth angle of the photographing equipment body or the camera lens relative to the arctic pole of the earth during photographing digital images by photographing equipment using the acceleration sensor and the magnetic sensor; the image processing chip is used for receiving and processing angle and azimuth information; and the exchangeable image file information storage element is used for storing digital image files written with character strings in a labeled data form, wherein the character strings stand for the corresponding angle and azimuth information and are processed by the image processing chip. Shutterbugs and professional photographers can effectively improve photography technique based on the angle and azimuth information acquired by the method and the device.
Description
Technical field
The present invention relates to a kind of device and method of exchangeable image file information of additional digital picture, relate in particular to the device and method of the exchangeable image file information of a kind of additional picture pick-up device (for example, digital camera) shot digital images.
Background technology
In digital camera, when taking pictures and it is saved as JPG or tiff format, some information will be stored in each image file with the form of exchangeable image file (EXIF, Exchangeable Image File) Tag label.EXIF Tag information is exactly to gather a series of information by digital camera in shooting process, then information is placed on the JPG that we know or the head of tiff file, that is to say that EXIF Tag information is the one group of acquisition parameters that is embedded in JPG or the tiff image file format.
Wherein, direction label only is used for usually determining that camera is level or vertical direction.This direction label is used to refer to checks software or LCD image rotating how before display image.These metadata can detect by double-axis tilt sensor and obtain, and usually only with helping automatic image rotating, reminding correcting camera to grip angle and exposure when taking or focusing compensation even date print.And other directional informations, for example camera level or vertical off setting angle then are not recorded in the direction label, and these other directional information is very important for photography equally.
Summary of the invention
Technical problem to be solved by this invention is the infull defective of exchangeable image file information that overcomes existing picture pick-up device shot digital images, and the device and method of a kind of additional digital picture about the exchangeable image file information of angle, azimuth information aspect is provided.
In order to solve the problems of the technologies described above, technical scheme proposed by the invention is:
A kind of device of exchangeable image file information of additional digital picture, it includes picture processing chip and preserves element with the exchangeable image file information that is connected with picture processing chip, and it also includes acceleration transducer and the Magnetic Sensor that is connected with described picture processing chip; The picture pick-up device fuselage was with respect to the camera lens of the angle of ground level, the described picture pick-up device angle with respect to ground level when described acceleration transducer was used to detect the picture pick-up device shooting digital pictures of device of the exchangeable image file information that uses described additional digital picture; Described Magnetic Sensor is arranged in described picture pick-up device fuselage or the camera lens, and picture pick-up device fuselage or camera lens are with respect to the azimuth of the earth arctic when being used to detect described picture pick-up device shooting digital pictures; Described picture processing chip is used to receive described angle, azimuth information and is handled; Described exchangeable image file information is preserved element and is used to preserve the digital image file that data mode with label writes the character string of the representative respective angles handled well through described picture processing chip, azimuth information.
Further, in different execution modes, wherein acceleration transducer is a 3-axis acceleration sensor.
Further, in different execution modes, wherein acceleration transducer comprises first, second two axle acceleration sensor.
Further, in different execution modes, wherein first liang of axle acceleration sensor is parallel to the setting of picture pick-up device fuselage, and second liang of axle acceleration sensor is provided with perpendicular to the picture pick-up device fuselage.
Further, in different execution modes, wherein first, second two axle acceleration sensor is vertical each other is provided with.
Further, in different execution modes, wherein label can be Image Description, and it meets EXIF 2.2 standards.
Further, another aspect that the present invention relates to provides a kind of method of exchangeable image file information of the employed additional digital picture of device of exchangeable image file information of the additional digital picture that the present invention relates to, and it includes following steps:
The picture pick-up device fuselage is with respect to the camera lens of the angle of ground level, the picture pick-up device angle with respect to ground level when (1) utilizing acceleration transducer to detect the picture pick-up device shooting digital pictures, and fuselage or camera lens are with respect to the azimuth of the earth arctic when utilizing Magnetic Sensor to detect the picture pick-up device shooting digital pictures;
(2) described acceleration transducer and the detected described angle of Magnetic Sensor, azimuth information are transferred to described picture processing chip, and by it information that these receive are handled;
(3) preserve element for described exchangeable image file information the message transmission after the described picture processing chip processing.
Further, in different execution modes, wherein acceleration transducer detects picture pick-up device fuselage and the camera lens angle with respect to ground level simultaneously in the step (1), and Magnetic Sensor detects picture pick-up device fuselage or the camera lens azimuth with respect to the earth arctic.
Further, in different execution modes, wherein picture processing chip to acceleration transducer and the detected described angle of Magnetic Sensor, the bearing data information processing mode that receives is in the step (2): with described angle, bearing data information is that raw digital signal is converted to picture pick-up device fuselage and camera lens with respect to the azimuth of angle, fuselage or the camera lens of ground level, is converted to corresponding character string forms again.
Further, in different execution modes, wherein exchangeable image file information is preserved element and to the processing mode of described picture processing chip institute information transmitted is in the step (3): preserve the digital image file that data mode with label writes the character string of the representative respective angles handled well through described picture processing chip, azimuth information.
Further, in different execution modes, wherein label meets EXIF 2.2 standards.
Compared with prior art, the invention has the beneficial effects as follows: the device and method of the exchangeable image file information of the additional digital picture that the present invention relates to, it is the EXIF label about the information in angle, orientation and with these information stores that applied acceleration transducer and Magnetic Sensor detect more, according to these angles, azimuth information, shutterbugs can learn which orientation the professional photographer selects take outstanding picture, imitate reference with this as reference, and then improve Techniques for Photography; According to these angles, azimuth information, the detailed technology parameter the when information that the professional photographer can collect more pictures is taken pictures to help photographer to sum up.In addition, in photography match or exhibition, these information will help to pass judgment on the authenticity that committee members discern picture together with GPS geographic orientation information.
Description of drawings
Fig. 1 is the building-block of logic of device of the exchangeable image file information of the additional digital picture that the present invention relates to;
Fig. 2 is the picture pick-up device fuselage that the present invention relates to angle with respect to ground level;
Fig. 3 is the picture pick-up device camera lens that the present invention relates to angle with respect to ground level;
Fig. 4 is the picture pick-up device fuselage that the present invention relates to or the camera lens azimuth with respect to the earth arctic.
Embodiment
Be that example describes the specific embodiment of the present invention in detail below with the digital camera.
See also shown in Figure 1, the device of the exchangeable image file information of a kind of additional digital picture that the present invention relates to, comprise 3-axis acceleration sensor, Magnetic Sensor, picture processing chip and exchangeable image file information preservation element, wherein 3-axis acceleration sensor, Magnetic Sensor, exchangeable image file information preservation element are connected with picture processing chip respectively.
3-axis acceleration sensor is arranged in digital camera fuselage or the camera lens, camera body is with respect to the angle of ground level and the camera lens angle with respect to ground level when being used to detect the digital camera shooting digital pictures, the schematic diagram of two angle informations is please consulted respectively shown in Fig. 2,3, and gives picture processing chip with detected transfer of data.
Magnetic Sensor is arranged in digital camera fuselage or the camera lens, camera body or camera lens are with respect to the azimuth of the earth arctic when being used to detect the digital camera shooting digital pictures, the schematic diagram of angle information sees also shown in Figure 4, and gives picture processing chip with detected transfer of data.
Angle, azimuth information that picture processing chip is used to receive by 3-axis acceleration sensor and Magnetic Sensor transmission are also handled.And exchangeable image file information preservation element is used for certain label (for example preserving, Image Description, it meets EXIF 2.2 standards) data mode write the digital image file of the character string of the representative respective angles handled well through described picture processing chip, azimuth information.
In other embodiments, 3-axis acceleration sensor can be replaced with two two axle acceleration sensors, one of them two axle acceleration sensor is parallel to the setting of digital camera fuselage, be used for the angle of detection camera fuselage with respect to ground level, another two axle acceleration sensor is provided with perpendicular to the digital camera fuselage, is used for the angle of detector lens with respect to ground level.
Used the method for the exchangeable image file information of a kind of additional digital picture that the present invention relates to during the device busy of the exchangeable image file information of a kind of additional digital picture that the present invention relates to, it includes following steps:
The first step, camera body is with respect to the camera lens of the angle of ground level, the camera angle with respect to ground level when being arranged on the 3-axis acceleration sensor detection camera shooting digital pictures in the digital camera; Camera body or camera lens are with respect to the azimuth of the earth arctic when being arranged on the Magnetic Sensor detection camera shooting digital pictures in the digital camera.
Second step, the picture processing chip that is connected with Magnetic Sensor with 3-axis acceleration sensor receives 3-axis acceleration sensor and the detected described angle of Magnetic Sensor, bearing data information, and be that raw digital signal is converted to camera body and camera lens with respect to the azimuth of angle, camera body or the camera lens of ground level with the data message of these angles, azimuth information, be converted to corresponding character string forms again; Wherein character string can adopt following form, for example:
B:+10,L:-10,O:N12E
Wherein B is the initial of Body, represents camera body ,+10 the expression camera bodies with respect to ground level tilt to the right 10 the degree; If-10, represent that then camera body is with respect to ground level 10 degree that tilt left;
L is the initial of Lens, represents camera lens, and-10 expression camera lens are with respect to downward-sloping 10 degree of ground level; If+10, then represent camera lens with respect to ground level be inclined upwardly 10 the degree;
O is the initial of Orientation, represents the camera body orientation, and N12E represents camera body north by east 12 degree.
In the 3rd step, the exchangeable image file information that is connected with picture processing chip is preserved the element preservation writes the character string of the representative respective angles handled well through described picture processing chip, azimuth information with the data mode of certain label digital image file.Wherein label can be Image Description, and it should meet EXIF 2.2 standards.
At last, 3-axis acceleration sensor that these were handled through the apparatus and method that the present invention relates to and the detected camera body of Magnetic Sensor and camera lens are with respect to the azimuth information of angle, camera body or the camera lens of ground level together with other camera parameter (for example, aperture, aperture time, photosensitivity (ISO) or the like) be presented at together on the LCD display of digital camera, adjust oneself style of shooting for the user of digital camera according to these data messages, to obtain better pictures.
In sum, the device and method of the exchangeable image file information of the additional picture pick-up device shot digital images that the present invention relates to, it is the EXIF label about the information in angle, orientation and with these information stores that applied acceleration transducer and Magnetic Sensor detect more, according to these angles, azimuth information, shutterbugs can learn which orientation the professional photographer selects take outstanding picture, imitate reference with this as reference, and then improve Techniques for Photography; According to these angles, azimuth information, the detailed technology parameter the when information that the professional photographer can collect more pictures is taken pictures to help photographer to sum up.In addition, in photography match or exhibition, these information will help to pass judgment on the authenticity that committee members discern picture together with GPS geographic orientation information.
The above only is a better embodiment of the present invention; protection scope of the present invention is not exceeded with above-mentioned execution mode; in every case those of ordinary skills' equivalence that disclosure is done according to the present invention is modified or is changed, and all should include in the protection range of putting down in writing in claims.
Claims (10)
1. the device of the exchangeable image file information of an additional digital picture, it includes picture processing chip and preserves element with the exchangeable image file information that is connected with picture processing chip, it is characterized in that: it also includes acceleration transducer and the Magnetic Sensor that is connected with described picture processing chip, the picture pick-up device fuselage was with respect to the angle of ground level when described acceleration transducer was used to detect the picture pick-up device shooting digital pictures of device of the exchangeable image file information that uses described additional digital picture, the camera lens of described picture pick-up device is with respect to the angle of ground level, described Magnetic Sensor is arranged in described picture pick-up device fuselage or the camera lens, picture pick-up device fuselage or camera lens are with respect to the azimuth of the earth arctic when being used to detect described picture pick-up device shooting digital pictures, described picture processing chip is used to receive described angle, azimuth information is also handled, and the data mode that described exchangeable image file information preservation element is used to preserve with label writes the representative respective angles of handling well through described picture processing chip, the digital image file of the character string of azimuth information.
2. the device of the exchangeable image file information of additional digital picture according to claim 1, it is characterized in that: described acceleration transducer is a 3-axis acceleration sensor.
3. the device of the exchangeable image file information of additional digital picture according to claim 1, it is characterized in that: described acceleration transducer comprises first, second two axle acceleration sensor.
4. the device of the exchangeable image file information of additional digital picture according to claim 3, it is characterized in that: described first liang of axle acceleration sensor is parallel to the setting of picture pick-up device fuselage, and described second liang of axle acceleration sensor is provided with perpendicular to the picture pick-up device fuselage.
5. the device of the exchangeable image file information of additional digital picture according to claim 3 is characterized in that: the vertical each other setting of wherein said first, second two axle acceleration sensor.
6. the method for the exchangeable image file information of the employed additional digital picture of device of the exchangeable image file information of the described additional digital picture of claim 1, it is characterized in that: it includes following steps:
The picture pick-up device fuselage is with respect to the camera lens of the angle of ground level, the picture pick-up device angle with respect to ground level when (1) utilizing acceleration transducer to detect the picture pick-up device shooting digital pictures, and fuselage or camera lens are with respect to the azimuth of the earth arctic when utilizing Magnetic Sensor to detect the picture pick-up device shooting digital pictures;
(2) described acceleration transducer and the detected described angle of Magnetic Sensor, azimuth information are transferred to described picture processing chip, and by it information that these receive are handled;
(3) preserve element for described exchangeable image file information the message transmission after the described picture processing chip processing.
7. the method for the exchangeable image file information of additional digital picture according to claim 6 is characterized in that: acceleration transducer described in the step (1) detects picture pick-up device fuselage and the camera lens angle with respect to ground level simultaneously.
8. the method for the exchangeable image file information of additional digital picture according to claim 6, it is characterized in that: picture processing chip described in the step (2) to acceleration transducer and the detected described angle of Magnetic Sensor, the bearing data information processing mode that receives is: with described angle, bearing data information is that raw digital signal is converted to picture pick-up device fuselage and camera lens with respect to the azimuth of angle, fuselage or the camera lens of ground level, is converted to corresponding character string forms again.
9. the method for the exchangeable image file information of additional digital picture according to claim 6 is characterized in that: exchangeable image file information described in the step (3) is preserved element and to the processing mode of described picture processing chip institute information transmitted is: preserve the digital image file that data mode with label writes the character string of the representative respective angles handled well through described picture processing chip, azimuth information.
10. the method for the exchangeable image file information of additional digital picture according to claim 9, it is characterized in that: described label meets EXIF 2.2 standards.
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CN107291717A (en) * | 2016-03-30 | 2017-10-24 | 高德软件有限公司 | Determine the method and device of the position of point of interest |
CN109542849A (en) * | 2012-09-16 | 2019-03-29 | 吴东辉 | A kind of image file format and generation method and device and application |
CN110875976A (en) * | 2018-08-29 | 2020-03-10 | 青岛海信移动通信技术股份有限公司 | Method and equipment for storing photo information |
CN112215904A (en) * | 2020-10-16 | 2021-01-12 | 东华理工大学 | Camera component and shooting equipment for calibrating photo position |
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CN112215904A (en) * | 2020-10-16 | 2021-01-12 | 东华理工大学 | Camera component and shooting equipment for calibrating photo position |
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