CN108965634B - Offline cross-device image printing method and system and shooting device - Google Patents
Offline cross-device image printing method and system and shooting device Download PDFInfo
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- CN108965634B CN108965634B CN201810820374.6A CN201810820374A CN108965634B CN 108965634 B CN108965634 B CN 108965634B CN 201810820374 A CN201810820374 A CN 201810820374A CN 108965634 B CN108965634 B CN 108965634B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00095—Systems or arrangements for the transmission of the picture signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00132—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture in a digital photofinishing system, i.e. a system where digital photographic images undergo typical photofinishing processing, e.g. printing ordering
- H04N1/00161—Viewing or previewing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00132—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture in a digital photofinishing system, i.e. a system where digital photographic images undergo typical photofinishing processing, e.g. printing ordering
- H04N1/00185—Image output
- H04N1/00188—Printing, e.g. prints or reprints
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00249—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a photographic apparatus, e.g. a photographic printer or a projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00278—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a printing apparatus, e.g. a laser beam printer
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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
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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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
- H04N23/64—Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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Abstract
The invention discloses an offline cross-device image printing method and system and shooting equipment, and relates to the technical field of computers. One embodiment of the method comprises: receiving an image preview instruction of a client to a target object, and transmitting the image preview instruction to shooting equipment; receiving image information acquired by the shooting equipment in real time for a target object in a preview mode, and transmitting the image information to a client for displaying; and receiving a printing instruction of the client to the at least one piece of image information, and transmitting the printing instruction to the printing equipment so as to print the photo of the at least one piece of image information. This embodiment is through customer end self-carrying program, can control shooting equipment and shoot to control printing apparatus and carry out the photo and print, compare prior art, the user need not to shoot and then carry out the picture based on the service number and upload and print, whole easy operation, improvement user use experience, and the cost is low, the trade company's drainage of being convenient for.
Description
Technical Field
The invention relates to the technical field of computers, in particular to an offline cross-device image printing method and system and shooting equipment.
Background
When a user tries to load in a physical store on line, the user wants to record the image, one mode is shooting and commenting, the other mode is printing, and the user obtains a picture which can be attached to an office or a home.
At present, in order to attract passenger flow, a plurality of off-line shops are provided with an LOMO printer, and a user can upload photos to be printed through a WeChat public number and then print the photos.
In addition, there is also vertical autodyne printing display screen on the market now, and the user controls through the touch-control and shoots the printing to from taking the repairment function, downloading the photo after shooing through scanning the two-dimensional code, also can realize the photo and print.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
1) the LOMO printer does not have the functions of site interaction and real-time photographing recording, and a user cannot photograph in real time;
2) the self-photographing printing display screen is expensive in manufacturing cost and low in purchase rate; the equipment is heavy and inconvenient to move; in addition, the whole operation is inconvenient and inconvenient due to the fact that a touch screen is required.
Disclosure of Invention
In view of this, embodiments of the present invention provide an offline cross-device image printing method, system and shooting device, which can at least solve the disadvantages of non-immediate photo printing and inconvenient operation in the prior art.
To achieve the above object, according to an aspect of an embodiment of the present invention, there is provided an offline cross-device image printing method including: receiving an image preview instruction of a client to a target object, and transmitting the image preview instruction to shooting equipment; receiving image information acquired by the shooting equipment in real time for a target object in a preview mode, and transmitting the image information to a client for displaying; and receiving a printing instruction of the client to the at least one piece of image information, and transmitting the printing instruction to the printing equipment so as to print the photo of the at least one piece of image information.
Optionally, receiving image information acquired by the shooting device in real time for the target object in the preview mode includes: receiving a real-time image preview address fed back by the shooting equipment; wherein the real-time image preview address is generated by the shooting device based on the image information.
Optionally, before receiving a print instruction of the client to the at least one image information, the method further includes: receiving an image shooting instruction of a client to a target object, and transmitting the image shooting instruction to shooting equipment; and receiving picture/video stream information shot by the shooting equipment on the target object in the shooting mode, and transmitting the picture/video stream information to the client for displaying.
Optionally, the receiving of the picture/video stream information of the target object shot by the shooting device in the shooting mode includes: and generating resource positioning information corresponding to the picture/video stream based on the identification code of the shooting device and the identification information of the picture/video stream.
Optionally, before receiving an image preview instruction of the client to the target object, the method further includes:
determining shooting equipment according to the shooting equipment information transmitted by the client; the shooting equipment information is acquired by analyzing the identification code of the shooting equipment by the client.
Optionally, the target object is a human image.
To achieve the above object, according to an aspect of an embodiment of the present invention, there is provided a photographing apparatus including a vibrating device and an image pickup device, wherein:
the vibration device is used for triggering vibration on the camera device when the position of the target object in the shooting visual angle of the camera device is not the central position so as to adjust the target object to be at the central position;
the camera device is used for acquiring real-time image information or shooting picture/video stream information of the target object when the target object is positioned at the center position in the shooting visual angle.
Optionally, the imaging device is configured to: and acquiring the position of the face in the figure image within the shooting visual angle in a face recognition mode or an iris recognition mode.
Optionally, the vibration device is further configured to: and correspondingly adjusting the shooting angle of the camera device to the target object based on the shooting angle adjusting instruction transmitted by the client.
Optionally, the apparatus further comprises a dimming device, configured to:
determining the light intensity of a shooting environment according to the reflection area on the screen of the camera device and the received reflected light; and
and determining a shooting brightness value corresponding to the light intensity of the shooting environment according to the corresponding relation between the light intensity threshold and the shooting brightness value.
Optionally, the system further comprises an information transceiver, configured to generate a power-on instruction to control the shooting device to power on when the image preview instruction is received and the shooting device is in a power-off state; wherein the information transmitting and receiving device has a power management device independent of the photographing apparatus.
To achieve the above object, according to another aspect of an embodiment of the present invention, there is provided an offline cross-device image printing system including:
the instruction transmission module is used for receiving an image preview instruction of the client to the target object and transmitting the image preview instruction to the shooting equipment;
the image transmission module is used for receiving image information acquired by the shooting equipment in real time for the target object in the preview mode and transmitting the image information to the client for display;
and the image printing module is used for receiving a printing instruction of the client to the at least one piece of image information, and transmitting the printing instruction to the printing equipment so as to print the photo of the at least one piece of image information.
Optionally, the image transmission module is configured to: receiving a real-time image preview address fed back by the shooting equipment; wherein the real-time image preview address is generated by the shooting device based on the image information.
Optionally, the system further comprises an image capturing module, configured to: receiving an image shooting instruction of a client to a target object, and transmitting the image shooting instruction to shooting equipment; and receiving picture/video stream information shot by the shooting equipment on the target object in the shooting mode, and transmitting the picture/video stream information to the client for displaying.
Optionally, the image capturing module is configured to: and generating resource positioning information corresponding to the picture/video stream based on the identification code of the shooting device and the identification information of the picture/video stream.
Optionally, the device further includes a device determining module, configured to: determining shooting equipment according to the shooting equipment information transmitted by the client; the shooting equipment information is acquired by analyzing the identification code of the shooting equipment by the client.
Optionally, the target object is a human image.
To achieve the above object, according to still another aspect of embodiments of the present invention, there is provided an offline cross-device image printing electronic device.
The electronic device of the embodiment of the invention comprises: one or more processors; a storage device for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement any of the above-described offline cross-device image printing methods.
To achieve the above object, according to still another aspect of embodiments of the present invention, there is provided a computer-readable medium on which a computer program is stored, the program, when executed by a processor, implementing any one of the offline cross-device image printing methods described above.
According to the scheme provided by the invention, one embodiment of the invention has the following advantages or beneficial effects: through the customer end self-carrying program, can control shooting equipment and shoot to control printing equipment and carry out the photo and print, compared with the prior art, the user need not to shoot and then carry out the picture and upload the printing based on the service number, whole easy operation, can improve user and use experience, and the cost is low, the trade company's drainage of being convenient for.
Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.
Drawings
The drawings are included to provide a better understanding of the invention and are not to be construed as unduly limiting the invention. Wherein:
FIG. 1 is a schematic main flow diagram of an offline cross-device image printing method according to an embodiment of the present invention;
fig. 2 is a main configuration diagram of a photographing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the main modules of an offline cross-device image printing system according to an embodiment of the present invention;
FIG. 4(a) an apparatus according to embodiments of the present invention;
FIG. 4(b) is a schematic diagram of an image preview process;
FIG. 4(c) is a schematic diagram of an image capture process;
FIG. 4(d) is a schematic diagram of an image printing process;
FIG. 4(e) is a schematic view of another image printing process;
FIG. 5 is an exemplary system architecture diagram of an embodiment of the present invention;
FIG. 6 is a schematic block diagram of a computer system suitable for use with a mobile device or server implementing an embodiment of the invention.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
It should be noted that the present invention is applicable to various systems, such as Android, iOS, Windows, etc., but the hardware cost of Android is relatively low.
In addition, the invention is mainly suitable for off-line scenes, and the printed scenes mainly comprise people, but also can be printed scenes and the like. For example, a photo of a fitting of a user of an offline physical store, the user may leave himself or issue him to someone else.
Referring to fig. 1, a main flowchart of an offline cross-device image printing method according to an embodiment of the present invention is shown, including the following steps:
s101: receiving an image preview instruction of a client to a target object, and transmitting the image preview instruction to shooting equipment;
s102: receiving image information acquired by the shooting equipment in real time for a target object in a preview mode, and transmitting the image information to a client for displaying;
s103: and receiving a printing instruction of the client to the at least one piece of image information, and transmitting the printing instruction to the printing equipment so as to print the photo of the at least one piece of image information.
In the above embodiment, for step S101, the server is configured to control the instruction/information interaction between the client and the shooting device and the printing device.
The invention is mainly suitable for off-line scenes, such as shops, malls and the like. Therefore, the photographing apparatus may be attached to a wall using a magnetic force or nailed to the ground surface at a specific installation location, and the present invention is not limited thereto.
The shooting device can perform information interaction with the server and the client based on an intelligent shooting assistant of the shooting device. The intelligent shooting assistant operates on the equipment platform and controls the operation of the equipment through Echo look and the like. In addition, WiFi distribution network can be carried out by scanning two-dimensional codes, bar codes and the like, so that the shooting equipment is connected to the Internet.
The client related to the present invention is a party that sends a request/instruction, and may specifically be a mobile phone, a tablet computer, and the like.
For information interaction between the client and the shooting terminal, the client mainly depends on an application or a page which has a shooting function and can view images, such as WeChat, QQ, HTML5 page (H5 for short);
1) for applications such as WeChat and QQ, connection with shooting equipment can be established in a two-dimensional code scanning mode, and the applications can also be performed in a Wifi pairing and Bluetooth pairing mode;
2) for H5 page, it can only be done by scanning two-dimensional code.
Here, the two-dimensional code includes connection information related to the shooting device, for example, information such as a device ID and a password. After scanning the two-dimensional code, the client transmits the information to the server, the server determines address information connected to the device, for example, an address of a Routing Table Maintenance Protocol (RTMP), and transmits the address information to the client, so as to establish RTMP long connection between the client and the shooting device.
After the server establishes connection with the shooting device, the server transmits the preview instruction transmitted by the client to the shooting device, for example, an RTMP live broadcast instruction, which informs the shooting device that an RTMP long connection needs to be established.
For step S102, in the preview mode, the images that may be acquired by the shooting device at each time are different, and the image information needs to be transmitted to the client in real time for real-time display through the RTMP long connection and the server, so as to implement the cross-device real-time image sharing.
For example, in an online store, a user can see a whole body image of the user by using the shooting device, and of course, the user can check whether there is a block or not at the client by someone (e.g., a clerk), so that the obtained image is more comprehensive and true than self-shooting, and no extra body sensing gesture is needed.
Further, due to the large amount of image data, for example, 20M, it may cause the situations of slow data transmission, long occupation time and long waiting time for users to queue. For such a phenomenon, the photographing apparatus may generate an image preview address corresponding to the acquired image information based on its own address, a user rank, client information, and the like.
After the client receives the image preview address, the user can complete the real-time preview function in a mode of < source src:// image preview address' type ═ rtmp/flv >.
Furthermore, there may be multiple users connected to the shooting device at the same time, and some prompt messages may be generated to inform the users whether the shooting device is currently operable or not, and if the shooting device is not operable, there are several people in the past, how long the shooting device needs to wait, and the like. If the user is operable, the 'confirmation preview' information can be generated and transmitted to the client through the server so as to inform the user of the operability.
In step S103, the user checks the image information collected by the shooting device at the client, and if the current picture meets the requirement of the user, the user can click the print button (or click by another person, such as a clerk), and the server is responsible for transmitting the print instruction to the printing device to print the photo.
When the client performs a click printing operation on the image information, the image is correspondingly paused, captured or otherwise transmitted to the printing device via the server.
In addition, the printing device can be connected with the shooting device besides being directly connected with the server, and at the moment, the image information to be printed determined by the user can be extracted from the shooting device. For example, according to the time point corresponding to the user clicking the printing instruction, the image information corresponding to the time point in the real-time image information is determined.
The shooting equipment and the printing equipment can be separated or combined into a whole, the invention mainly adopts a separation mode, so that the whole cost is lower, for example, the shooting equipment can be deployed in the same shop or the same area, and then one or more printers are shared for photo printing.
The printer can be wireless printer (from taking the hot spot function), shoots between equipment and the wireless printer, mainly connects with wiFi, but this wiFi and the wiFi who shoots between equipment and the server are connected (mainly internet WiFi), can be the same, also can be different:
1) after confirming the quality of the photo shot by the shooting equipment, the user clicks a print button to print the photo, and the server receives the instruction and transmits the instruction to the shooting equipment;
2) switching of the shooting equipment to WiFi:
① the two WiFi are different, namely, the shooting device receives the printing instruction, firstly disconnects the Internet WiFi, then connects the WiFi of the wireless printer, and automatically reconnects the Internet WiFi after transmitting the printing instruction and the corresponding image information to the printer;
② the printer and the shooting device are connected with the same WiFi, the shooting device receives the printing instruction, directly sends the printing instruction and the corresponding image information to the printer, and subtracts the operation of switching WiFi.
3) After receiving the information that the printer starts printing, the shooting device informs the client of the information that the printer starts printing, and the user waits for taking the printed photo.
At present, the printing speed of a printer is low, and especially when the number of users is large. Considering this situation, the present invention mainly uses the operation of switching WiFi so that the photographing apparatus can send a print instruction to a plurality of printers to print in turn.
The client may also check and print after the shooting device takes a picture or a video, specifically:
the method comprises the following steps: receiving an image shooting instruction of a client to a target object, and transmitting the image shooting instruction to shooting equipment;
step two: and receiving picture/video stream information shot by the shooting equipment on the target object in the shooting mode, and transmitting the picture/video stream information to the client for displaying.
For the first step, the user can click (or click by others) a shooting button, such as a shooting button on the WeChat, a video recording button, etc., on the image viewed at the client. The server is responsible for transmitting the shooting instruction to the shooting equipment and appointing the shooting equipment to carry out image shooting operation.
And step two, for the shooting equipment, the image preview mode of the camera needs to be disconnected firstly, and the shooting equipment is switched to the image shooting mode, otherwise, the camera cannot be controlled to shoot.
And the picture stream of the shooting equipment is transmitted to the client side through the server side for display. Similarly, before the server transmits the picture stream, the server may also perform preprocessing operations on the picture stream, such as beautifying, blurring the background, adding a frame, adding a logo of a shop/market, and the like, but for the logo and the like, the logo is usually located at the lower left corner or the lower right corner of the image so as not to obscure the picture display.
In addition, in general, the picture stream is stored in a separate server, so as to generate a corresponding URL (uniform resource Locator) address based on identification information such as identification information of the photographing apparatus, a storage location/generation time of the picture in the photographing apparatus, and the like.
For the client, if the received URL address is the URL address, the picture needs to be downloaded according to the URL address, and the picture is clicked and stored locally or sent to others; but if the received picture is a picture, the picture can be directly clicked and viewed.
The method provided by the embodiment realizes the cross-equipment on-line shooting function, is simple and convenient, the user does not need to take pictures first and then upload and print through the service number, the overall operation is simple and convenient, the shot pictures (especially the pictures of the whole body of the user) meet the requirements of the user, and favorable conditions are provided for store drainage and user purchase. In addition, based on the difference of WiFi connection, printing equipment can be connected with the server side, also can be connected with shooting equipment, has improved equipment service diversity.
Referring to fig. 2, a schematic diagram of a main structure of a shooting device 200 provided in an embodiment of the present invention is shown, including a vibration device 201, an image capturing device 202, a dimming device 203, and an information transceiver 204, wherein:
the vibrating device 201 is mainly used for adjusting the shooting angle of the camera to realize automatic focusing when the target person and the scene are not in the center position in the shooting visual angle of the camera any more; of course, the adjustment may also be performed according to an instruction issued by the user, for example, turning to the left, turning to the right, and the like.
The camera 202 mainly captures images of a user and captures images. In addition, the position of the target point within the shooting visual angle can be determined, and the position of the face within the shooting visual angle can be acquired through a face recognition technology, an iris recognition technology and the like by taking a person as an example. Only when the target point is at the central position, for example, the central position of the cross, the target point can be collected and shot;
in order to ensure the shooting quality, the shooting device has a camera which is configured with 1200 ten thousand pixels high definition resolution at the lowest, has F2.0 large aperture and 60-90 degrees of visual angle, is automatically focused and is suitable for shooting people/scenes with the resolution of > 1 m.
The light adjusting device 203 is used for adjusting the shooting light intensity, and particularly needs to be adjusted according to the shooting environment light intensity and a set value;
the shooting equipment can also be provided with a group of flash lamps, so that the interference of light factors is reduced, and the shooting quality is improved. And for the operation of the flash lamp, a certain countdown duration can be provided, for example, the flash lamp is started for image acquisition after 3s of countdown.
And the information transceiver 204 is used for transceiving instructions and information and controlling the shooting equipment to be started. For the mechanism for controlling the starting of the shooting equipment, the starting instruction control is mainly generated when the image preview instruction is received and the shooting equipment is in the shutdown state. Therefore, the information transmitting and receiving apparatus has a power management apparatus independent of the photographing device.
Referring to fig. 3, a schematic diagram of main modules of an offline cross-device image printing apparatus 300 according to an embodiment of the present invention is shown, including:
the instruction transmission module 301 is configured to receive an image preview instruction of a target object from a client, and transmit the image preview instruction to the shooting device;
the image transmission module 302 is configured to receive image information acquired by the shooting device in real time for the target object in the preview mode, and transmit the image information to the client for display;
the image printing module 303 is configured to receive a printing instruction of the client to the at least one piece of image information, and transmit the printing instruction to the printing device to perform photo printing on the at least one piece of image information.
In the system according to the embodiment of the present invention, the image transmission module 302 is configured to: receiving a real-time image preview address fed back by the shooting equipment; wherein the real-time image preview address is generated by the shooting device based on the image information.
The system of the embodiment of the present invention further includes an image capturing module 304 (not shown in the figure) configured to: receiving an image shooting instruction of a client to a target object, and transmitting the image shooting instruction to shooting equipment; and receiving picture/video stream information shot by the shooting equipment on the target object in the shooting mode, and transmitting the picture/video stream information to the client for displaying.
In the system according to the embodiment of the present invention, the image capturing module 304 is configured to: and generating resource positioning information corresponding to the picture/video stream based on the identification code of the shooting device and the identification information of the picture/video stream.
The system of the embodiment of the present invention further includes an apparatus determining module 305 (not shown in the figure), configured to: determining shooting equipment according to the shooting equipment information transmitted by the client; the shooting equipment information is acquired by analyzing the identification code of the shooting equipment by the client.
In the system of the embodiment of the invention, the target object is a human image.
In addition, the detailed implementation of the offline cross-device image printing system described in the embodiment of the present invention is already described in detail in the above offline cross-device image printing method, and therefore, the repeated description is not repeated here.
Referring to fig. 4, there is shown a schematic diagram of an image capturing and printing process relating to the present invention, including:
FIG. 4(a) illustrates a client, an application subsystem, a real-time video subsystem, a capture device, and a printing device in accordance with the present invention;
for the image preview process, see fig. 4 (b):
1) the client scans the two-dimensional code of the shooting equipment, acquires the identification information of the shooting equipment and transmits the identification information to the application subsystem;
2) the application subsystem is connected to the shooting equipment according to the equipment identification information and sends an image preview instruction to the shooting equipment;
3) the shooting equipment generates an image preview instruction and sends a real-time video subsystem to establish live broadcast connection;
4) after the connection is established, the shooting equipment returns the real-time image preview address to the client;
5) the client clicks the address to check the image information collected by the shooting equipment in real time.
For the image capture process, see fig. 4 (c):
1) a user clicks a shooting button on a client and sends a shooting instruction to an application subsystem;
2) the application subsystem sends a shooting instruction to shooting equipment;
3) the shooting equipment firstly cuts off live broadcasting, otherwise, the camera cannot be controlled to shoot/record video;
4) the shooting equipment counts down and starts a flash lamp to shoot/record;
5) the shooting equipment transmits the shot picture/video to the application subsystem;
6) the application subsystem processes the picture/video and uploads the picture/video to the picture/video server;
7) and transmitting the URL address of the picture/video to a client for displaying, and storing the picture/video by clicking/long-pressing the picture/video or sending the picture/video to others by a user.
For the image printing process, see fig. 4 (d):
1) after confirming the quality of the photo, the user clicks a printing button to print the photo;
2) the application subsystem receives the printing instruction and sends the printing instruction to the shooting equipment, and the shooting equipment firstly disconnects the WiFi of the internet and is connected to the WiFi of the wireless printer;
3) after the shooting device is connected to the wireless printer, sending a printing instruction and a corresponding photo to be printed to the printer;
4) the wireless printer prints photos;
5) the shooting equipment disconnects WiFi of the wireless printer, is connected to WiFi of the internet, and sends an instruction to inform an application subsystem of starting printing;
6) and after receiving the information of starting printing, the application subsystem informs the client of starting printing through RTMP long connection.
For another alternative image printing process, see fig. 4 (e):
1) after confirming the quality of the photo, the user clicks a printing button to print the photo;
2) a server (mainly an application subsystem) receives a printing instruction and sends a corresponding picture to be printed to a printer;
3) the wireless printer prints photos;
4) the printer informs the server to send an instruction to inform that printing is started;
5) the server informs the client that printing is started through RTMP long connection.
In addition, the application subsystem and the real-time video subsystem are server-side systems. The real-time video subsystem uses the nginx-RTMP intranet return-source framework and uses the RTMP protocol to realize real-time preview (the technology is mature, the cost is low, and the quasi real-time can be realized). The application subsystem is mainly responsible for maintaining long connection between the shooting equipment and the server, receiving a control instruction sent to the shooting equipment by the client, establishing RTMP live broadcast by the control equipment, connecting the client to the real-time video subsystem by using an RTMP protocol, and returning an RTMP stream address to the client.
Fig. 5 illustrates an exemplary system architecture 500 of an offline cross-device image printing method or offline cross-device image printing system to which embodiments of the present invention may be applied.
As shown in fig. 5, the system architecture 500 may include terminal devices 501, 502, 503, a network 504, and a server 505 (by way of example only). The network 504 serves to provide a medium for communication links between the terminal devices 501, 502, 503 and the server 505. Network 504 may include various connection types, such as wired, wireless communication links, or fiber optic cables, to name a few.
The user may use the terminal devices 501, 502, 503 to interact with a server 505 over a network 504 to receive or send messages or the like. The terminal devices 501, 502, 503 may have installed thereon various communication client applications, such as shopping-like applications, web browser applications, search-like applications, instant messaging tools, mailbox clients, social platform software, etc. (by way of example only).
The terminal devices 501, 502, 503 may be various electronic devices having a display screen and supporting web browsing, including but not limited to smart phones, tablet computers, laptop portable computers, desktop computers, and the like.
The server 505 may be a server providing various services, such as a background management server (for example only) providing support for shopping websites browsed by users using the terminal devices 501, 502, 503. The backend management server may analyze and perform other processing on the received data such as the product information query request, and feed back a processing result (for example, target push information, product information — just an example) to the terminal device.
It should be noted that the offline device-to-device image printing method provided by the embodiment of the present invention is generally executed by the server 505, and accordingly, the offline device-to-device image printing apparatus is generally disposed in the server 505.
It should be understood that the number of terminal devices, networks, and servers in fig. 5 is merely illustrative. There may be any number of terminal devices, networks, and servers, as desired for implementation.
Referring now to FIG. 6, a block diagram of a computer system 600 suitable for use with a terminal device implementing an embodiment of the invention is shown. The terminal device shown in fig. 6 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present invention.
As shown in fig. 6, the computer system 600 includes a Central Processing Unit (CPU)601 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)602 or a program loaded from a storage section 608 into a Random Access Memory (RAM) 603. In the RAM 603, various programs and data necessary for the operation of the system 600 are also stored. The CPU 601, ROM 602, and RAM 603 are connected to each other via a bus 604. An input/output (I/O) interface 605 is also connected to bus 604.
The following components are connected to the I/O interface 605: an input portion 606 including a keyboard, a mouse, and the like; an output portion 607 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage section 608 including a hard disk and the like; and a communication section 609 including a network interface card such as a LAN card, a modem, or the like. The communication section 609 performs communication processing via a network such as the internet. The driver 610 is also connected to the I/O interface 605 as needed. A removable medium 611 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 610 as necessary, so that a computer program read out therefrom is mounted in the storage section 608 as necessary.
In particular, according to the embodiments of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 609, and/or installed from the removable medium 611. The computer program performs the above-described functions defined in the system of the present invention when executed by the Central Processing Unit (CPU) 601.
It should be noted that the computer readable medium shown in the present invention can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present invention, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The modules described in the embodiments of the present invention may be implemented by software or hardware. The described modules may also be provided in a processor, which may be described as: a processor includes an instruction transmission module, an image transmission module, and an image printing module. The names of these modules do not form a limitation on the modules themselves in some cases, for example, the image transmission module may also be described as "transmitting image information captured by a photographing device to the client preview module".
As another aspect, the present invention also provides a computer-readable medium that may be contained in the apparatus described in the above embodiments; or may be separate and not incorporated into the device. The computer readable medium carries one or more programs which, when executed by a device, cause the device to comprise:
receiving an image preview instruction of a client to a target object, and transmitting the image preview instruction to shooting equipment;
receiving image information acquired by the shooting equipment in real time for a target object in a preview mode, and transmitting the image information to a client for displaying;
and receiving a printing instruction of the client to the at least one piece of image information, and transmitting the printing instruction to the printing equipment so as to print the photo of the at least one piece of image information.
According to the technical scheme of the embodiment of the invention, the shooting equipment can be controlled to shoot and the printing equipment is controlled to print the photo by the self-contained program of the client, compared with the prior art, a user does not need to upload and print the photo based on the service number after shooting, the integral operation is simple, the user experience is improved, and meanwhile, the drainage of merchants is facilitated.
The above-described embodiments should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. An offline cross-device image printing method, comprising:
the application subsystem determines shooting equipment and address information connected to the shooting equipment according to shooting equipment information transmitted by a client so as to establish a communication link with the shooting equipment; the shooting equipment information is obtained by analyzing the identification code of the shooting equipment by the client;
receiving an image preview instruction of the client to a target object, and transmitting the image preview instruction to the shooting equipment;
receiving a real-time image preview address fed back by the shooting equipment, and transmitting the real-time image preview address to the client for displaying; the real-time image preview address is generated by the shooting equipment based on image information acquired in real time in a preview mode, and is sent to the application subsystem after a live link with the real-time video subsystem is established; the application subsystem and the real-time video subsystem are positioned in a server;
receiving a printing instruction of the client to at least one piece of image information, and transmitting the printing instruction to printing equipment through the shooting equipment so that the printing equipment extracts the image information corresponding to a time stamp from the shooting equipment according to the time stamp in the printing instruction and performs photo printing operation; wherein the photographing apparatus transmits the printing instruction to the printing apparatus after disconnecting the link with the application subsystem and establishing the link with the printing apparatus.
2. The method of claim 1, prior to said receiving an instruction from said client to print at least one image information, further comprising:
the application subsystem receives an image shooting instruction of the client to the target object and transmits the image shooting instruction to the shooting equipment;
receiving a picture/video stream shot by the shooting equipment for the target object in a shooting mode, and transmitting the picture/video stream to the client for displaying; the picture/video stream is a picture/video which is shot after the shooting equipment responds to the image shooting instruction and breaks a live link with the real-time video subsystem.
3. The method according to claim 2, wherein the receiving of the picture/video stream taken by the photographing apparatus for the target object in the photographing mode comprises:
and the application subsystem generates resource positioning information corresponding to the picture/video stream based on the identification code of the shooting equipment and the identification information of the picture/video stream.
4. The method of any one of claims 1-3, wherein the target object is a human image.
5. A photographing apparatus comprising link establishing means, vibrating means, image pickup means, processing means, information transmitting and receiving means, and a link management module, wherein:
the link establishing device is used for receiving the address information transmitted by the application subsystem and establishing a communication link with the server; the address information is determined by the application subsystem according to shooting equipment information transmitted by a client, and the shooting equipment information is obtained by analyzing an identification code of the shooting equipment by the client;
the vibration device is used for triggering vibration on the camera device based on a shooting angle adjusting instruction transmitted by the client to adjust the target object to be at the central position when the position of the target object in the shooting visual angle of the camera device is not the central position;
the camera device is used for responding to an image preview/shooting instruction received from the application subsystem when the target object is at the central position within the shooting visual angle, and performing real-time image information acquisition or picture/video shooting on the target object;
the processing device is used for generating a real-time image preview address based on the acquired real-time image information or generating resource positioning information based on the identification information of the shot picture/video stream;
the information transceiver is used for transmitting the printing instruction received from the application subsystem to the printing equipment; receiving the identification of the client and an image printing time stamp transmitted by the printing equipment, and transmitting image information corresponding to the time stamp to the printing equipment;
the link management module is used for establishing a live link with the real-time video subsystem when an image preview instruction is received; when an image shooting instruction is received, the live link is disconnected; and when a printing instruction transmitted by the application subsystem is received, disconnecting the link with the application subsystem and establishing the link with the printing device.
6. The photographing apparatus according to claim 5, wherein the image pickup device is configured to:
and acquiring the position of the face in the target object in the shooting visual angle in a face recognition mode or an iris recognition mode.
7. The photographing apparatus according to claim 5, further comprising a dimming device configured to:
determining the light intensity of a shooting environment according to the reflection area on the screen of the camera device and the received reflected light; and
and determining a shooting brightness value corresponding to the light intensity of the shooting environment according to the corresponding relation between the light intensity threshold and the shooting brightness value.
8. The photographing apparatus according to claim 5, wherein the information transceiving means is further configured to;
when an image preview instruction is received and the shooting equipment is in a power-off state, generating a power-on instruction to control the shooting equipment to be powered on; wherein the information transmitting and receiving means has a power management means independent of the photographing device.
9. An offline cross-device image printing system, comprising:
the device determining module is used for determining the shooting device and the address information connected to the shooting device according to the shooting device information transmitted by the client by the application subsystem so as to establish a communication link with the shooting device; the shooting equipment information is obtained by analyzing the identification code of the shooting equipment by the client;
the instruction transmission module is used for receiving an image preview instruction of the client to the target object and transmitting the image preview instruction to the shooting equipment;
the image transmission module is used for receiving the real-time image preview address fed back by the shooting equipment and transmitting the real-time image preview address to the client for displaying; the real-time image preview address is generated by the shooting equipment based on image information acquired in real time in a preview mode, and is sent to the application subsystem after a live link with the real-time video subsystem is established; the application subsystem and the real-time video subsystem are positioned in a server;
the image printing module is used for receiving a printing instruction of the client to at least one piece of image information, and transmitting the printing instruction to the printing equipment through the shooting equipment, so that the printing equipment extracts the image information corresponding to a time stamp from the shooting equipment according to the time stamp in the printing instruction and performs photo printing operation; wherein the photographing apparatus transmits the printing instruction to the printing apparatus after disconnecting the link with the application subsystem and establishing the link with the printing apparatus.
10. The system of claim 9, further comprising an image capture module to:
the application subsystem receives an image shooting instruction of the client to the target object and transmits the image shooting instruction to the shooting equipment;
receiving a picture/video stream shot by the shooting equipment for the target object in a shooting mode, and transmitting the picture/video stream to the client for displaying; the picture/video stream is a picture/video which is shot after the shooting equipment responds to the image shooting instruction and breaks a live link with the real-time video subsystem.
11. The system of claim 10, wherein the image capture module is configured to:
and the application subsystem generates resource positioning information corresponding to the picture/video stream based on the identification code of the shooting equipment and the identification information of the picture/video stream.
12. The system of any one of claims 9-11, wherein the target object is a human image.
13. An electronic device, comprising:
one or more processors;
a storage device for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement the method of any one of claims 1-4.
14. A computer-readable medium, on which a computer program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1-4.
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| CN116834453B (en) * | 2023-05-16 | 2024-03-22 | 北京博源恒芯科技股份有限公司 | Remote automatic control method, equipment and medium for printer |
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