WO2016183723A1 - 一种测量的方法及终端 - Google Patents
一种测量的方法及终端 Download PDFInfo
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- WO2016183723A1 WO2016183723A1 PCT/CN2015/079051 CN2015079051W WO2016183723A1 WO 2016183723 A1 WO2016183723 A1 WO 2016183723A1 CN 2015079051 W CN2015079051 W CN 2015079051W WO 2016183723 A1 WO2016183723 A1 WO 2016183723A1
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- camera
- tested
- distance
- total amount
- Prior art date
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/50—Depth or shape recovery
- G06T7/55—Depth or shape recovery from multiple images
- G06T7/593—Depth or shape recovery from multiple images from stereo images
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D7/00—Indicating measured values
- G01D7/12—Audible indication of meter readings, e.g. for the blind
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0007—Image acquisition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
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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
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
- G06T2207/10012—Stereo images
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10028—Range image; Depth image; 3D point clouds
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20092—Interactive image processing based on input by user
- G06T2207/20101—Interactive definition of point of interest, landmark or seed
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method and terminal for measurement.
- the technical problem to be solved by the embodiments of the present invention is to provide a method and a terminal for measurement. To solve the problem that the terminal cannot measure the size of the object to be tested.
- an embodiment of the present invention provides a method for measuring, including:
- the comparing the positions of the objects to be tested in the first image and the second image After measuring the total position offset of the object also includes:
- the method further includes:
- the imaging data is decoded, and the first image is displayed on a display screen of the terminal.
- the method further includes:
- the calculated distance result is notified to the user by voice.
- the comparing is in the first image and the second The position of the object to be measured in the image is obtained as a total amount of positional deviation of the object to be tested, and is calculated according to the following formula:
- D is the total amount of positional deviation of the object to be tested
- X 1 is the positional offset component of the object to be tested in the first image
- X 2 is the position of the object to be tested in the second image. Offset component.
- the receiving user is based on the measurement point of the first image input And selecting a command to calculate a distance between the selected measurement points according to the total position offset, the center distance of the first camera and the second camera, and the focal length of the first camera, according to the following formula get on:
- L is the distance between the selected measurement points
- (X p , Y p ) is the coordinate of the measurement point p in the first image
- D p is the total position offset of the measurement point P
- (X q , Y q ) is the coordinate of the measurement point q in the first image
- D q is the total amount of positional deviation of the measurement point q
- H 1 h 1 /a
- h 1 is the number
- the focal length of a camera a is the size constant of a single pixel.
- the method further includes:
- Z is the vertical distance from the object to be measured to the center line of the first camera and the second camera
- H 1 h 1 /a
- h 1 is the focal length of the first camera
- a is The size constant of a single pixel
- D1 is the distance between the center of the first camera and the center of the second camera
- X 1 is the positional offset component of the object to be measured in the first image
- X 2 is to be A positional offset component of the object in the second image is measured.
- the sixth possible implementation manner of the first aspect if two measurement points selected by the user are two, two calculations are performed. The distance between the measurement points;
- the distance between two adjacent measurement points is sequentially calculated according to the selected order.
- an embodiment of the present invention provides a terminal, including:
- An acquiring unit configured to acquire, by the first camera, a first image that includes the object to be tested, and acquire, by the second camera, a second image that includes the object to be tested, where the first camera and the second camera are configured On the same plane;
- a comparing unit configured to compare positions of the objects to be tested in the first image and the second image, to obtain a total amount of positional deviation of the object to be tested, wherein the total amount of the positional offset is used Characterizing an offset of a position of the object to be tested in the first image relative to a position of the object to be tested in the second image;
- a calculating unit configured to receive a measurement point selection instruction input by the user based on the first image, according to the total amount of the positional offset, the distance between the center of the first camera and the center of the second camera, and the The focal length of the first camera calculates the distance between the selected measurement points.
- the terminal further includes:
- a compression unit configured to compress and store the imaging data of the first image and the total amount of position offsets as a photo file
- a parsing unit configured to parse the photo file to obtain imaging data of the first image and the total amount of positional offset
- a decoding unit configured to decode the imaging data, and display the first image on a display screen of the terminal.
- the terminal further includes:
- a notification unit configured to display the calculated distance result on a display screen of the terminal
- the calculated distance result is notified to the user by voice.
- the comparing unit is specifically configured to be compared by using the following formula
- the positions of the objects to be tested in the first image and the second image are obtained as a total amount of positional deviation of the object to be tested:
- D is the total amount of positional deviation of the object to be tested
- X 1 is the positional offset component of the object to be tested in the first image
- X 2 is the position of the object to be tested in the second image. Offset component.
- the calculating unit is specifically configured to calculate the selected Distance between measuring points:
- L is the distance between the selected measurement points
- (X p , Y p ) is the coordinate of the measurement point p in the first image
- D p is the total position offset of the measurement point P
- (X q , Y q ) is the coordinate of the measurement point q in the first image
- D q is the total amount of positional deviation of the measurement point q
- H 1 h 1 /a
- h 1 is the number
- the focal length of a camera a is the size constant of a single pixel.
- the calculating unit is further configured to calculate the to-be- Measuring the vertical distance of the object to the center line of the first camera and the second camera:
- Z is the vertical distance from the object to be measured to the center line of the first camera and the second camera
- H 1 h 1 /a
- h 1 is the focal length of the first camera
- a is The size constant of a single pixel
- D1 is the distance between the center of the first camera and the center of the second camera
- X 1 is the positional offset component of the object to be measured in the first image
- X 2 is to be A positional offset component of the object in the second image is measured.
- the calculating unit is specifically configured to:
- the distance between the two measurement points is calculated
- the distance between two adjacent measurement points is sequentially calculated according to the selected order.
- an embodiment of the present invention provides a terminal, including: an input device, an output device, a memory, and a processor, where the input device includes a first camera and a second camera, and is configured to acquire an image of the object to be tested.
- the input device, the output device, the memory, and the processor are connected to the bus, wherein the memory stores a set of program codes, and the processor is configured to call the program code stored in the memory to perform the following operations:
- the processor is further configured to:
- the imaging data is decoded, and the first image is displayed on a display screen of the terminal.
- the output device is configured to calculate the distance between the selected measurement points Displaying the calculated distance result on the display screen of the terminal;
- the calculated distance result is notified to the user by voice.
- the processor is specifically configured to be compared by using the following formula
- the positions of the objects to be tested in the first image and the second image are obtained as a total amount of positional deviation of the object to be tested:
- D is the total amount of positional deviation of the object to be tested
- X 1 is the positional offset component of the object to be tested in the first image
- X 2 is the position of the object to be tested in the second image. Offset component.
- the processor is specifically configured to calculate the selected Distance between measuring points:
- L is the distance between the selected measurement points
- (X p , Y p ) is the coordinate of the measurement point p in the first image
- D p is the total position offset of the measurement point P
- (X q , Y q ) is the coordinate of the measurement point q in the first image
- D q is the total amount of positional deviation of the measurement point q
- H 1 h 1 /a
- h 1 is the number
- the focal length of a camera a is the size constant of a single pixel.
- the processor is further configured to calculate the to-be- Measuring the vertical distance of the object to the center line of the first camera and the second camera:
- Z is the vertical distance from the object to be measured to the center line of the first camera and the second camera
- H 1 h 1 /a
- h 1 is the focal length of the first camera
- a is The size constant of a single pixel
- D1 is the distance between the center of the first camera and the center of the second camera
- X 1 is the positional offset component of the object to be measured in the first image
- X 2 is to be A positional offset component of the object in the second image is measured.
- the processor is configured to calculate between the selected measurement points When the distance is used, it is specifically used to:
- the distance between the two measurement points is calculated
- the distance between two adjacent measurement points is sequentially calculated according to the selected order.
- an embodiment of the present invention provides a computer storage medium, where the computer storage medium stores a program, and the program includes steps according to the first aspect of the embodiment of the present invention or any of the first aspect.
- the position offset may be The total amount, the center distance between the first camera and the second camera, and the focal length of the first camera can calculate the distance between the selected measurement points.
- the user does not need to carry any additional measurement tools, and only needs to carry the camera to take measurements.
- the size of the object to be tested enriches the function of the terminal and expands the practicability and convenience of the terminal.
- FIG. 1 is a schematic flow chart of a first embodiment of a method for measuring according to the present invention
- FIG. 2 is a schematic flow chart of a second embodiment of a method for measuring according to the present invention.
- FIG. 3 is a schematic diagram showing the composition of a first embodiment of a terminal according to the present invention.
- FIG. 4 is a schematic diagram showing the composition of a second embodiment of a terminal according to the present invention.
- Figure 5 is a schematic diagram showing the composition of a third embodiment of a terminal of the present invention.
- Figure 6 is a schematic diagram showing the principle of calculating the distance of the present invention.
- the terminal in the embodiment of the present invention may include a smart phone (such as an Android mobile phone, an iOS mobile phone, a Windows Phone mobile phone, etc.) having a dual camera photographing function, a tablet computer, a digital camera, a palmtop computer, a notebook computer, and a mobile internet device (Mobile Internet Devices).
- a smart phone such as an Android mobile phone, an iOS mobile phone, a Windows Phone mobile phone, etc.
- Mobile Internet Devices Mobile Internet Devices
- MID mobile internet device
- wearable devices etc.
- the above terminals are merely examples, and are not exhaustive, including but not limited to the above terminals.
- FIG. 1 is a schematic flowchart of a first embodiment of a method for measuring according to the present invention.
- the method includes the following steps:
- the terminal acquires a first image that includes the object to be tested through the first camera, and acquires a second image that includes the object to be tested by using the second camera.
- the first camera and the second camera are disposed on the same plane.
- the camera when the terminal acquires an image by using two cameras, the camera may be triggered according to an operation of the terminal user, such as the terminal user clicking a camera button of the camera application, or pressing a physical button or more
- the combination of the physical buttons, or inputting a piece of voice (such as "photographing” or “measurement”, etc.) to the terminal, or making a preset gesture to the terminal to trigger the photographing is not limited in the embodiment of the present invention.
- the camera on the terminal can be two or three or more. It is only necessary to ensure that the image acquired by at least two cameras contains the object to be tested.
- the main camera and the sub camera can be set in the two cameras, and the main and sub-relationships can be switched at will.
- the subsequent images are saved, the image taken by the main camera is saved, and when calculating various data, the calculation is based on the parameters of the main camera providing the image. Just fine.
- first image and the second image When the first image and the second image are acquired, they can be acquired simultaneously or continuously in a short time interval, and the terminal position at the time of shooting is kept as constant as possible to obtain the first image and the second image with the greatest correlation, if The position of the first shot and the second shot of the terminal are unchanged, and any interval can be separated.
- the total amount of positional offset is used to characterize the offset of the position of the object to be tested in the first image relative to the position of the object to be tested in the second image. Since the two reference positions are distributed in two images, an intermediate reference position such as the center line of the image can be introduced for comparison in a specific calculation.
- the total amount of positional offset may be calculated according to a positional offset component of the object to be tested in the first image and a positional offset component of the object to be tested in the second image.
- the position offset component is a distance from a position of the object to be tested in the image to a center line of the image, and the image center line is perpendicular to a center of the first camera and a center of the second camera. line.
- the left camera acquires the first image when the camera is photographed, and the object to be tested generally has a leftward shift on the first image.
- the center line of the first image in the vertical direction is used as a reference, that is, the center line perpendicular to the center line of the two cameras is used as a reference, the positional offset component of the object to be measured in the first image can be obtained.
- the positional offset component of the object to be measured in the second image can be obtained. Since the two cameras are horizontally arranged, for one pixel point, the ordinate is the same in the coordinate system, so there is no vertical.
- the deviation of the direction the total amount of positional deviation is the sum of the two positional offset components in the horizontal direction. Similarly, when the two cameras are set vertically, only the positional offset component and the total amount of positional offset in the vertical direction need to be considered.
- the position offset component of the object to be tested in the first image may be acquired first, and then the position offset component of the object to be tested in the second image is acquired, and then the total position offset of the object to be tested is calculated according to the following formula:
- D is the total amount of positional deviation of the object to be tested
- X 1 is the positional offset component of the object to be tested in the first image
- X 2 is the position of the object to be tested in the second image. Offset component.
- S103 Receive a measurement point selection instruction input by the user based on the first image, according to the total amount of the positional offset, the distance between the center of the first camera and the center of the second camera, and the first camera.
- the focal length which calculates the distance between the selected measurement points.
- the user may be prompted to select a measurement point based on the first image, and the first image is the image captured by the first camera, that is, the first camera, and saved by the terminal.
- the user can select the edge point of the object to be tested as the first measurement point based on the first image, and then select the second position of the object to be tested as the second measurement point.
- the terminal can be based on the total position offset, the distance between the centers of the two cameras, and the first The focal length of the camera calculates the distance between the two measurement points.
- the distance between the center of the first camera and the center of the second camera can be understood as including the distance between the first camera and the second camera, including the lens of the first camera.
- the distance from the lens of the second camera includes the distance between the image sensor of the first camera and the image sensor of the second camera, including the distance between the lens of the first camera and the image sensor of the second camera.
- the distance between the photosensitive device of the first camera and any device including the edge of the second camera may also be included. There is no limit to this.
- the number of measurement points may be two or more than two. If the measurement points selected by the user are two, the distance between the two measurement points is calculated; If the user selects more than two measurement points, the distance between two adjacent measurement points is sequentially calculated according to the selected order. For example, when it is necessary to measure the length and width of the wardrobe, the upper left edge of the wardrobe can be selected as the first measurement point, then the lower left edge of the wardrobe is selected as the second measurement point, and the lower right edge of the wardrobe is selected as the third measurement point. The terminal will calculate the length of the wardrobe according to the first measurement point and the second measurement point in turn, and then calculate the width of the wardrobe according to the second measurement point and the third measurement point.
- a reset button or a re-measured button can also be set for the user to select. When the user selects reset or re-measures, the previously selected measurement points will be invalid.
- L is the distance between the selected measurement points
- (X p , Y p ) is the coordinate of the measurement point p in the first image
- D p is the total position offset of the measurement point P
- (X q , Y q ) is the coordinate of the measurement point q in the first image
- D q is the total amount of positional deviation of the measurement point q
- H 1 h 1 /a
- h 1 is the number
- the focal length of a camera a is the size constant of a single pixel.
- D 1 , a, h 1 are all known quantities, and when the measurement point is selected, values of (X p , Y p ), (X q , Y q ) are obtained, and by step S102, D p can be obtained. And the value of D q , so that the distance between p point and q point can be calculated by the above formula.
- FIG. 6 is a schematic diagram of the principle of calculating the distance according to the present invention.
- the object to be measured offset component is X 1
- the distance between the centers is D 1
- the distance from the center of the object to be measured to the center of the two cameras is Z
- the distance from the center of the object to be measured to the center extension of the first camera is X W .
- 1 *D 1 /D, Y w y 1 *D 1 /D;
- the distance is equal to the Euclidean length between the spatial coordinates of the two measurement points, according to the Euclidean formula:
- H 1 h 1 /a
- h 1 is the focal length of the first camera
- a is the size constant of a single pixel point
- D 1 Length measurement unit the unit of measurement of the center distance of the first camera and the second camera
- the length of D p and D q is calculated based on the number of pixels in the image. Therefore, by introducing the constant a, the unit before and after the formula can be unified.
- the unit of L obtained is the length measurement unit commonly used by the user.
- the position offset may be The total amount, the distance between the center of the first camera and the center of the second camera, and the focal length of the first camera can calculate the distance between the selected measurement points.
- the user does not need to carry any additional measurement tools, and only needs to carry the terminal to take pictures.
- the measurement of the size of the object to be tested can be realized, the function of the terminal is enriched, and the practicability and convenience of the terminal are expanded.
- FIG. 2 is a schematic flowchart of a second embodiment of a method for measuring according to the present invention.
- the method includes the following steps:
- the terminal acquires a first image that includes the object to be tested through the first camera, and acquires a second image that includes the object to be tested by using the second camera.
- the first camera and the second camera are disposed on the same plane.
- the total amount of positional offset is used to characterize the offset of the position of the object to be tested in the first image relative to the position of the object to be tested in the second image.
- S203 Compress and store the imaging data of the first image and the total position offset as a photo file.
- the imaging data of the first image and the total amount of the positional offset may be compressed and stored as a photo file, which is convenient for the user to perform measurement at any time.
- the calculated distance result may be notified to the user by voice, and the notification manner may be various, and the user may select according to his/her own needs. Or, for example, the manner in which the text display and the voice broadcast are performed simultaneously can be selected, which is not limited in the embodiment of the present invention.
- the calculation method in this embodiment can be performed by referring to the calculation mode of the first embodiment shown in FIG. 1 , and details are not described herein again.
- the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores a program, and the program includes some or all of the steps of the method of measurement described in the foregoing method embodiments.
- the terminal includes:
- the acquiring unit 100 is configured to acquire, by using the first camera, a first image that includes the object to be tested, and acquire, by the second camera, a second image that includes the object to be tested, where the first camera and the second camera Set on the same plane;
- a comparing unit 200 configured to compare positions of the objects to be tested in the first image and the second image, to obtain a total amount of positional deviation of the object to be tested, wherein the total amount of the positional offset And an identifier for indicating a position of the object to be tested in the first image relative to a position of the object to be tested in the second image.
- the total amount of positional offset may be calculated according to a positional offset component of the object to be tested in the first image and a positional offset component of the object to be tested in the second image, the position The offset component is the distance from the position of the object to be tested in the image to the center line of the image Off, the image center line is perpendicular to a line connecting the center of the first camera and the center of the second camera;
- the calculating unit 300 is configured to receive a measurement point selection instruction input by the user based on the first image, according to the total amount of the positional offset, the distance between the center of the first camera and the center of the second camera, and The focal length of the first camera is calculated, and the distance between the selected measurement points is calculated.
- the comparing unit 200 is specifically configured to compare the positions of the objects to be tested in the first image and the second image by using a formula to obtain a total position offset of the object to be tested:
- D is the total amount of positional deviation of the object to be tested
- X 1 is the positional offset component of the object to be tested in the first image
- X 2 is the position of the object to be tested in the second image. Offset component.
- the calculating unit 300 is specifically configured to calculate a distance between the selected measurement points by using the following formula:
- L is the distance between the selected measurement points
- (X p , Y p ) is the coordinate of the measurement point p in the first image
- D p is the total position offset of the measurement point P
- (X q , Y q ) is the coordinate of the measurement point q in the first image
- D q is the total amount of positional deviation of the measurement point q
- H 1 h 1 /a
- h 1 is the number
- the focal length of a camera a is the size constant of a single pixel.
- the calculating unit 300 is further configured to calculate a vertical distance of the object to be tested to a center line of the first camera and the second camera by using the following formula:
- Z is the vertical distance from the object to be measured to the center line of the first camera and the second camera
- H 1 h 1 /a
- h 1 is the focal length of the first camera
- a is The size constant of a single pixel
- D1 is the distance between the center of the first camera and the center of the second camera
- X 1 is the positional offset component of the object to be measured in the first image
- X 2 is to be A positional offset component of the object in the second image is measured.
- the terminal includes:
- the acquiring unit 100 is configured to acquire, by using the first camera, a first image that includes the object to be tested, and acquire, by the second camera, a second image that includes the object to be tested, where the first camera and the second camera Set on the same plane;
- a comparing unit 200 configured to compare positions of the objects to be tested in the first image and the second image, to obtain a total amount of positional deviation of the object to be tested, wherein the total amount of the positional offset And an identifier for indicating a position of the object to be tested in the first image relative to a position of the object to be tested in the second image.
- the total amount of positional offset may be calculated according to a positional offset component of the object to be tested in the first image and a positional offset component of the object to be tested in the second image, the position The offset component is a distance from a position of the object to be tested in an image to a center line of the image, and the image center line is perpendicular to a line connecting a center of the first camera and a center of the second camera;
- the calculating unit 300 is configured to receive a measurement point selection instruction input by the user based on the first image, according to the total amount of the positional offset, the distance between the center of the first camera and the center of the second camera, and The focal length of the first camera is calculated, and the distance between the selected measurement points is calculated.
- the comparing unit 200 is specifically configured to compare the positions of the objects to be tested in the first image and the second image by using a formula to obtain a total position offset of the object to be tested:
- D is the total amount of positional deviation of the object to be tested
- X 1 is the positional offset component of the object to be tested in the first image
- X 2 is the position of the object to be tested in the second image. Offset component.
- the calculating unit 300 is specifically configured to calculate a distance between the selected measurement points by using the following formula:
- L is the distance between the selected measurement points
- (X p , Y p ) is the coordinate of the measurement point p in the first image
- D p is the total position offset of the measurement point P
- (X q , Y q ) is the coordinate of the measurement point q in the first image
- D q is the total amount of positional deviation of the measurement point q
- H 1 h 1 /a
- h 1 is the number
- the focal length of a camera a is the size constant of a single pixel.
- the calculating unit 300 is further configured to calculate a vertical distance of the object to be tested to a center line of the first camera and the second camera by using the following formula:
- Z is the vertical distance from the object to be measured to the center line of the first camera and the second camera
- H 1 h 1 /a
- h 1 is the focal length of the first camera
- a is The size constant of a single pixel
- D1 is the distance between the center of the first camera and the center of the second camera
- X 1 is the positional offset component of the object to be measured in the first image
- X 2 is to be A positional offset component of the object in the second image is measured.
- the terminal in the embodiment of the present invention further includes:
- a compression unit 400 configured to compress and store the imaging data of the first image and the total amount of position offsets as a photo file
- the parsing unit 500 is configured to parse the photo file to obtain imaging data of the first image and the total amount of positional offset;
- the decoding unit 600 is configured to decode the imaging data, and display the first image on a display screen of the terminal.
- a notification unit 700 configured to display the calculated distance result on a display screen of the terminal;
- the calculated distance result is notified to the user by voice.
- the foregoing obtaining unit 100, the comparing unit 200, the calculating unit 300, the compressing unit 400, the parsing unit 500, the decoding unit 600, and the notifying unit 700 may exist independently or in an integrated manner.
- the acquiring unit 100, The comparison unit 200, the calculation unit 300, the compression unit 400, the parsing unit 500, the decoding unit 600 or the notification unit 700 may be separately provided in the form of hardware independently of the processor of the terminal, and may be in the form of a microprocessor; It is embedded in the processor of the terminal in hardware, and can also be stored in the memory of the terminal in software, so that the processor of the terminal invokes to execute the above obtaining unit 100, the comparing unit 200, the calculating unit 300, and the compressing unit. 400.
- the operations corresponding to the parsing unit 500, the decoding unit 600, and the notification unit 700 may exist independently or in an integrated manner.
- the element 300 may be a processor of the terminal, and the functions of the obtaining unit 100 and the comparing unit 200 may be embedded in the processor, or may be separately set independently of the processor, or may be stored in the memory in the form of software.
- the caller implements its functionality.
- the embodiment of the invention does not impose any limitation.
- the above processor may be a central processing unit (CPU), a microprocessor, a single chip microcomputer, or the like.
- the terminal includes:
- An input device 10, an output device 20, a memory 30, and a processor 40 the input device 10 includes a first camera and a second camera for acquiring an image of an object to be tested, the input device 10, the output device 20, and the memory 30
- the processor 40 is connected to the bus, wherein the memory 30 stores a set of program codes, and the processor 40 is configured to call the program code stored in the memory 30 to perform the following operations:
- the total amount of positional offset may be calculated according to a positional offset component of the object to be tested in the first image and a positional offset component of the object to be tested in the second image, the position The offset component is a distance from a position of the object to be tested in an image to a center line of the image, and the image center line is perpendicular to a line connecting a center of the first camera and a center of the second camera;
- the processor 40 is further configured to:
- the imaging data is decoded, and the first image is displayed on a display screen of the terminal.
- the output device 20 is configured to display the calculated distance result on the display screen of the terminal after the calculating the distance between the selected measurement points;
- the calculated distance result is notified to the user by voice.
- the processor 40 is specifically configured to compare the positions of the objects to be tested in the first image and the second image by using a formula to obtain a total position offset of the object to be tested:
- D is the total amount of positional deviation of the object to be tested
- X 1 is the positional offset component of the object to be tested in the first image
- X 2 is the position of the object to be tested in the second image. Offset component.
- the processor 40 is further configured to calculate a distance between the selected measurement points by using the following formula:
- L is the distance between the selected measurement points
- (X p , Y p ) is the coordinate of the measurement point p in the first image
- D p is the total position offset of the measurement point P
- (X q , Y q ) is the coordinate of the measurement point q in the first image
- D q is the total amount of positional deviation of the measurement point q
- H 1 h 1 /a
- h 1 is the number
- the focal length of a camera a is the size constant of a single pixel.
- the processor 40 is further configured to calculate a vertical distance of the object to be tested to a center line of the first camera and the second camera by using the following formula:
- Z is the vertical distance from the object to be measured to the center line of the first camera and the second camera
- H 1 h 1 /a
- h 1 is the focal length of the first camera
- a is The size constant of a single pixel
- D1 is the distance between the center of the first camera and the center of the second camera
- X 1 is the positional offset component of the object to be measured in the first image
- X 2 is to be A positional offset component of the object in the second image is measured.
- each embodiment in the present specification is described in a progressive manner, and each embodiment focuses on a difference from other embodiments, and the same similar parts between the various embodiments. You can refer to each other.
- the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment.
- the present invention has the following advantages:
- the position offset may be The total amount, the distance between the center of the first camera and the center of the second camera, and the focal length of the first camera can calculate the distance between the selected measurement points.
- the user does not need to carry any additional measurement tools, and only needs to carry the terminal to take pictures.
- the measurement of the size of the object to be tested can be realized, the function of the terminal is enriched, and the practicability and convenience of the terminal are expanded.
- the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
- the foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
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Abstract
Description
Claims (22)
- 一种测量的方法,其特征在于,包括:终端通过第一摄像头获取包含待测物体的第一图像,并通过第二摄像头获取包含所述待测物体的第二图像,其中,所述第一摄像头和所述第二摄像头设置在同一平面上;比较在所述第一图像和所述第二图像中所述待测物体的位置,得到所述待测物体的位置偏移总量,其中,所述位置偏移总量用于表征所述待测物体在所述第一图像中的位置相对于所述待测物体在所述第二图像中的位置的偏移量;接收用户基于所述第一图像输入的测量点选定指令,根据所述位置偏移总量、所述第一摄像头的中心和所述第二摄像头的中心的距离以及所述第一摄像头的焦距,计算选定的测量点之间的距离。
- 如权利要求1所述的方法,其特征在于,在所述比较在所述第一图像和所述第二图像中所述待测物体的位置,得到所述待测物体的位置偏移总量之后,还包括:将所述第一图像的成像数据和所述位置偏移总量进行压缩并存储为照片文件;在所述接收用户基于所述第一图像输入的测量点选定指令之前,还包括:解析所述照片文件,得到所述第一图像的成像数据和所述位置偏移总量;解码所述成像数据,将所述第一图像显示在所述终端的显示屏上。
- 如权利要求1或2所述的方法,其特征在于,在所述计算选定的测量点之间的距离之后,还包括:将计算得到的距离结果显示在所述终端的显示屏上;或者将计算得到的距离结果以语音的方式告知用户。
- 如权利要求1-3任一项所述的方法,其特征在于,所述比较在所述第一图像和所述第二图像中所述待测物体的位置,得到所述待测物体的位置偏移 总量,根据以下公式计算:D=X1+X2其中,D为所述待测物体的位置偏移总量,X1为待测物体在所述第一图像中的位置偏移分量,X2为待测物体在所述第二图像中的位置偏移分量。
- 如权利要求1-5任一项所述的方法,其特征在于,还包括:根据以下公式计算所述待测物体到所述第一摄像头和所述第二摄像头的中心连线的垂直距离:Z=H1*D1/(X1+X2)其中,Z为所述待测物体到所述第一摄像头和所述第二摄像头的中心连线的垂直距离,H1=h1/a,h1为所述第一摄像头的焦距,a为单个像素点的尺寸常量,D1为所述第一摄像头的中心和所述第二摄像头的中心的距离,X1为待测物体在所述第一图像中的位置偏移分量,X2为待测物体在所述第二图像中的位置偏移分量。
- 如权利要求1-6任一项所述的方法,其特征在于,若用户选定的测量点为两个,则计算两个测量点之间的距离;若用户选定的测量点大于两个,则根据选定的顺序依次计算相邻两个测量点之间的距离。
- 一种终端,其特征在于,包括:获取单元,用于通过第一摄像头获取包含待测物体的第一图像,并通过第二摄像头获取包含所述待测物体的第二图像,其中,所述第一摄像头和所述第二摄像头设置在同一平面上;比较单元,用于比较在所述第一图像和所述第二图像中所述待测物体的位置,得到所述待测物体的位置偏移总量,其中,所述位置偏移总量用于表征所述待测物体在所述第一图像中的位置相对于所述待测物体在所述第二图像中的位置的偏移量;计算单元,用于接收用户基于所述第一图像输入的测量点选定指令,根据所述位置偏移总量、所述第一摄像头的中心和所述第二摄像头的中心的距离以及所述第一摄像头的焦距,计算选定的测量点之间的距离。
- 如权利要求8所述的终端,其特征在于,所述终端还包括:压缩单元,用于将所述第一图像的成像数据和所述位置偏移总量进行压缩并存储为照片文件;解析单元,用于解析所述照片文件,得到所述第一图像的成像数据和所述位置偏移总量;解码单元,用于解码所述成像数据,将所述第一图像显示在所述终端的显示屏上。
- 如权利要求8或9所述的终端,其特征在于,所述终端还包括:通知单元,用于将计算得到的距离结果显示在所述终端的显示屏上;或者将计算得到的距离结果以语音的方式告知用户。
- 如权利要求8-10任一项所述的终端,其特征在于,所述比较单元具 体用于通过以下公式比较在所述第一图像和所述第二图像中所述待测物体的位置,得到所述待测物体的位置偏移总量:D=X1+X2其中,D为所述待测物体的位置偏移总量,X1为待测物体在所述第一图像中的位置偏移分量,X2为待测物体在所述第二图像中的位置偏移分量。
- 如权利要求8-12任一项所述的终端,其特征在于,所述计算单元还用于通过以下公式计算所述待测物体到所述第一摄像头和所述第二摄像头的中心连线的垂直距离:Z=H1*D1/(X1+X2)其中,Z为所述待测物体到所述第一摄像头和所述第二摄像头的中心连线的垂直距离,H1=h1/a,h1为所述第一摄像头的焦距,a为单个像素点的尺寸常量,D1为所述第一摄像头的中心和所述第二摄像头的中心的距离,X1为待测物体在所述第一图像中的位置偏移分量,X2为待测物体在所述第二图像中的位置偏移分量。
- 如权利要求8-13任一项所述的终端,其特征在于,所述计算单元具体用于:若用户选定的测量点为两个,则计算两个测量点之间的距离;若用户选定的测量点大于两个,则根据选定的顺序依次计算相邻两个测量点之间的距离。
- 一种终端,其特征在于,包括:输入设备、输出设备、存储器和处理器,所述输入设备包括第一摄像头和第二摄像头,用于获取待测物体的图像,所述输入设备、输出设备、存储器和处理器与总线连接,其中,所述存储器中存储一组程序代码,所述处理器用于调用所述存储器中存储的程序代码,执行以下操作:通过第一摄像头获取包含待测物体的第一图像,并通过第二摄像头获取包含所述待测物体的第二图像,其中,所述第一摄像头和所述第二摄像头设置在同一平面上;比较在所述第一图像和所述第二图像中所述待测物体的位置,得到所述待测物体的位置偏移总量,其中,所述位置偏移总量用于表征所述待测物体在所述第一图像中的位置相对于所述待测物体在所述第二图像中的位置的偏移量;接收用户基于所述第一图像输入的测量点选定指令,根据所述位置偏移总量、所述第一摄像头的中心和所述第二摄像头的中心的距离以及所述第一摄像头的焦距,计算选定的测量点之间的距离。
- 如权利要求15所述的终端,其特征在于,所述处理器还用于:在所述得到所述待测物体的位置偏移总量之后,将所述第一图像的成像数据和所述位置偏移总量进行压缩并存储为照片文件;在所述接收用户基于所述第一图像输入的测量点选定指令之前,解析所述照片文件,得到所述第一图像的成像数据和所述位置偏移总量;解码所述成像数据,将所述第一图像显示在所述终端的显示屏上。
- 如权利要求15或16所述的终端,其特征在于,所述输出设备用于在所述计算选定的测量点之间的距离之后,将计算得到的距离结果显示在所述终端的显示屏上;或者将计算得到的距离结果以语音的方式告知用户。
- 如权利要求15-17任一项所述的终端,其特征在于,所述处理器具体用于通过以下公式比较在所述第一图像和所述第二图像中所述待测物体的位置,得到所述待测物体的位置偏移总量:D=X1+X2其中,D为所述待测物体的位置偏移总量,X1为待测物体在所述第一图像中的位置偏移分量,X2为待测物体在所述第二图像中的位置偏移分量。
- 如权利要求15-19任一项所述的终端,其特征在于,所述处理器还用于通过以下公式计算所述待测物体到所述第一摄像头和所述第二摄像头的中心连线的垂直距离:Z=H1*D1/(X1+X2)其中,Z为所述待测物体到所述第一摄像头和所述第二摄像头的中心连线的垂直距离,H1=h1/a,h1为所述第一摄像头的焦距,a为单个像素点的尺寸常量,D1为所述第一摄像头的中心和所述第二摄像头的中心的距离,X1为待测物体在所述第一图像中的位置偏移分量,X2为待测物体在所述第二图像中的位置偏移分量。
- 如权利要求15-20任一项所述的终端,其特征在于,所述处理器在计算选定的测量点之间的距离时,具体用于:若用户选定的测量点为两个,则计算两个测量点之间的距离;若用户选定的测量点大于两个,则根据选定的顺序依次计算相邻两个测量点之间的距离。
- 一种计算机存储介质,其特征在于,所述计算机存储介质存储有程序,该程序执行时包括如权利要求1-7任一项所述的步骤。
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WO2022188691A1 (zh) * | 2021-03-09 | 2022-09-15 | 华为技术有限公司 | 一种测量长度的方法、电子设备以及移动设备 |
CN115046480B (zh) * | 2021-03-09 | 2023-11-10 | 华为技术有限公司 | 一种测量长度的方法、电子设备以及移动设备 |
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KR101971815B1 (ko) | 2019-04-23 |
CN107532881B (zh) | 2020-02-14 |
EP3264032B1 (en) | 2019-07-24 |
CN107532881A (zh) | 2018-01-02 |
KR20170128779A (ko) | 2017-11-23 |
BR112017021042B1 (pt) | 2022-10-25 |
BR112017021042A2 (zh) | 2018-07-24 |
JP6490242B2 (ja) | 2019-03-27 |
US20180130219A1 (en) | 2018-05-10 |
EP3264032A4 (en) | 2018-02-28 |
US10552971B2 (en) | 2020-02-04 |
JP2018519500A (ja) | 2018-07-19 |
EP3264032A1 (en) | 2018-01-03 |
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