CN110213632B - Video playing system containing user data processing and use method thereof - Google Patents
Video playing system containing user data processing and use method thereof Download PDFInfo
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- CN110213632B CN110213632B CN201910327560.0A CN201910327560A CN110213632B CN 110213632 B CN110213632 B CN 110213632B CN 201910327560 A CN201910327560 A CN 201910327560A CN 110213632 B CN110213632 B CN 110213632B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
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- Databases & Information Systems (AREA)
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Abstract
The invention relates to the field of intelligent equipment, in particular to a video playing system containing user data processing and a using method thereof. The invention is realized by the following technical scheme: a video playback system including user data processing, comprising a multimedia module, further comprising: a camera module: the face image shooting device is used for shooting a face image of a user; a feature extraction module: extracting user facial feature information by a user; a storage module: a data table containing information reflecting user names and facial features of users; a calculation identification module: searching according to the extracted facial feature information of the user and the information in the data table; a statistic module: and writing data into the remark information of the user. The invention aims to provide a video playing system containing user data processing and a using method thereof, which can detect and identify users watching video playing equipment in real time and record and count watching results.
Description
Technical Field
The invention relates to the field of intelligent equipment, in particular to a video playing system containing user data processing and a using method thereof.
Background
Multimedia playing is a familiar technical content, and multimedia playing is performed by means of different hardware players such as computers, display screens and mobile phones. With the maturity of interactive technology and playing hardware technology, different types of video playing devices are put on the market and widely used. Such as building video players, are often installed in indoor environments, such as in mall elevators or residential elevators, and may play video advertisements, such as in business elevators, for playing business announcements or business trailers, etc.
However, such a video playing device has certain limitations, and only realizes transmission of video signals and playing of video contents, which cannot meet further user demands today.
Disclosure of Invention
The invention aims to provide a video playing system containing user data processing and a using method thereof, which can detect and identify users watching video playing equipment in real time and record and count watching results.
The technical purpose of the invention is realized by the following technical scheme: a video playback system including user data processing, comprising a multimedia module, further comprising:
a camera module: the face image shooting device is used for shooting a face image of a user;
a feature extraction module: extracting user facial feature information by a user;
a storage module: a data table containing information reflecting user names and facial features of users;
a calculation identification module: searching according to the extracted facial feature information of the user and the information in the data table;
a statistic module: and writing data into the remark information of the user.
Preferably, the data table includes a user name, user facial feature information, and remark information including a time at which the user was identified and a duration of time at which the user was detected.
Preferably, the present invention further comprises an output module, wherein the output module is configured to output information in the data table.
Preferably, the output module is further communicatively connected with an authorization module, and allows the information in the data table to be output after authorization.
A method of using a video playback system including user data processing, comprising the steps of:
step one, information input step;
in the step, a camera device is used for recognizing the face of a user, and a user name and face characteristic quantity information corresponding to the user name are stored in a data table in a storage module of the system;
step two: a detection step;
a user enters a video capturing area of the camera module;
step three: a step of feature extraction;
the feature extraction module extracts face feature quantity of a user;
step four: searching;
searching according to the extracted facial feature information of the user and the information in the data table, and judging that the identification is successful when the matching degree of the feature quantity exceeds a preset threshold value;
step five: time statistics and recording;
and counting the time when the face of the user is detected and the duration when the face of the user is continuously detected, and inputting the data into corresponding information in the data table.
Preferably, the present invention further comprises an authorization step and an information output step, and the administrator can operate the data output of the data table after passing the authorization authentication.
Preferably, the administrator may adjust and rewrite a parameter, which is a feature matching degree threshold in the shaft insertion step, after the authorization authentication.
The utility model provides a video playback system who contains user data processing and application method thereof, contains the box body and installs display screen on the box body, install camera device on the box body, camera device contains equipment box and installs the slip camera module on the equipment box, the slip camera module contain the main track, slide slider on the main track, connect in connecting axle on the slider and the gliding piece of making a video recording on the connecting axle, it installs the camera to make a video recording on the piece.
Preferably, the equipment box is provided with a filter screen, and the equipment box is provided with an outlet through which the camera wire passes.
Preferably, the number of the main rails is two, two ends of the connecting shaft are respectively connected with the two sliding blocks, and the cross section of the connecting shaft is a regular polygon.
Preferably, the equipment box is provided with a sheet groove, a cleaning sheet penetrates through the sheet groove, and the back of the cleaning sheet comprises cleaning cloth for cleaning the camera.
Preferably, the image pickup device includes an elastic pad block made of an elastic material, and the image pickup block is provided with a polishing block for cooperating with the elastic pad block.
Preferably, the surface of the friction increasing block is wavy, and the elastic cushion block comprises a plurality of damping prisms which are parallel to each other and convexly arranged.
Preferably, a supporting column is arranged on one surface, away from the sliding camera module, of the elastic cushion block, and arc-shaped deformation grooves are formed in two sides of the supporting column.
Preferably, the box body comprises a mounting box and a cover plate mounted on the mounting box, the mounting box comprises a back plate, side plates, a bottom plate and a top plate, the back plate is provided with a middle ventilating block, and the middle ventilating block is provided with a filter screen. The back plate is also provided with edge ventilation grooves, the middle ventilation blocks are distributed in the middle of the back plate, the edge ventilation grooves are distributed in the side end of the back plate, and the ventilation area of a single middle ventilation block is larger than that of a single edge ventilation groove.
Preferably, the side plate is provided with a side plate groove, a plurality of turnover plates are arranged in the side plate groove, each turnover plate is movably connected with the side plate through a connecting shaft, and the turnover plates are connected with a connecting rod together.
Preferably, the top plate is provided with a plurality of arc-shaped grooves, and the top plate further comprises a closing cover connected with the top plate and used for covering the arc-shaped grooves.
Preferably, the arc-shaped side groove comprises an intermediate part and arc-shaped opening parts positioned at two ends, and the arc-shaped opening parts are arc-shaped.
Preferably, the bottom plate is provided with an accommodating groove, the side plate is provided with a slide inlet, and the side plate further comprises a slide plate which slides into the accommodating groove through the slide inlet.
Preferably, the sliding plate is provided with a cleaning plate, and the cleaning plate is provided with a plurality of adsorption columns arranged in a rectangular array.
In conclusion, the invention has the following beneficial effects:
1. the face of the user is recognized by using the camera module, and the face information features of the target user are extracted by the feature extraction module.
2. And the calculation identification module is compared with the data in the system and performs calculation identification.
3. The statistics module records both the time and duration of the user's identification.
4. The user can change the range of the shooting field of view by sliding the camera block.
5. The damping sense of the moving process of the camera block is increased by the cooperation of the grinding block and the elastic cushion block, and the moving stability is improved.
6. The cleaning sheet can clean the surface of the camera, so that the cleanliness of the camera in public places is increased, and the imaging quality is prevented from being influenced by the blur of the lens.
7. The display screen and the camera module are integrated in the box body, the system not only can play videos, but also can capture videos of viewers watching the videos, and hardware support is provided for face recognition in the later stage of the system.
8. The box body back plate is provided with the side ventilating groove and the middle ventilating block, the side edge is provided with the turnover plate, the heat dissipation effect is good, and the heat dissipation range is flexible and adjustable.
9. The sliding plate is arranged on the bottom plate at the bottom of the box body, so that the cleaning plate can be conveniently replaced or cleaned, the cleanliness in the box body is further increased, and the failure rate of the camera module and the display module is reduced.
Description of the drawings:
FIG. 1 is a schematic view of a mounting box according to a first embodiment;
FIG. 2 is a schematic view of a cover plate;
FIG. 3 is an enlarged detail view at A in FIG. 1;
FIG. 4 is an enlarged detail view at B in FIG. 1;
FIG. 5 is a schematic view of an imaging device;
FIG. 6 is an enlarged detail view at A in FIG. 5;
FIG. 7 is a schematic block diagram of system software according to an embodiment.
In the figure: 1. mounting box, 2, apron, display screen, camera, 3, curb plate, 31, curb plate groove, 32, returning plate, 33, connecting axle, 34, connecting rod, 4, roof, 41, arc limit groove, 5, backplate, 51, limit ventilative groove, 52, well ventilative piece, 53, the filter screen, 6, bottom plate, 61, the storage tank, 62, the sliding plate, 63, clean board, 64, adsorption column, 65, the mouth that slides, 7, the closing cap, 8, camera device, 81, equipment box, 82, slip camera module, 821, the main track, 822, the slider, 823, the connecting axle, 824, the camera shooting piece, 83, increase abrasive brick, 84, the piece groove, 85, clean piece, 86, the filter screen, 87, the outlet, 88, the elastic cushion block, 881, the damping prism, 89, the support column, 891, the deformation groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example 1 as shown in fig. 1 and 2, the case body is composed of two parts, namely, a mounting case 1 and a cover plate 2. The mounting box 1 serves as a main mounting and storage medium, and the main components are mounted in the inner cavity of the mounting box 1. The main components are a display screen and a camera, the display screen is used for outputting video content, and the camera is used for collecting a head portrait of a user in front of the display screen. For example, this kind of technical scheme is used in the elevator of enterprise, and the staff of enterprise carries out camera human face discernment when watching the video in the elevator to the attendance is punched a card. For another example, the technical scheme is applied to a certain business unit such as a shop, the system stores the face information of each member, the camera identifies the face information of the member, and the member obtains points by watching advertisements played on the display screen.
In the technical scheme, the method for identifying the face characteristics of the member by the camera, the storage of the face information of the member, the wireless transmission of the data from the installation box to the background system and the like are technical contents which can be realized by a person skilled in the art, and are not described in detail in the scheme.
Due to the addition of the storage device and the electronic device, the heat productivity of the box body can be increased, and the heat dissipation of the box body is designed in a brand-new mode. First, a plurality of arc-shaped side grooves 41 parallel to each other are formed at the top of the mounting box 1, that is, at the top plate 4, the arc-shaped side grooves 41 include an intermediate portion and arc-shaped opening portions at both ends, and the arc-shaped opening portions are arc-shaped. The arc edge is not provided with a sharp corner like a common straight edge, dirt and dust are not easy to accumulate, and meanwhile, the smoothness and the cleanness of air flowing in the vertical direction are improved. In some cases where the ambient temperature is low and the air cleanliness is poor, the closing cover 7 may be optionally covered to make the top of the mounting box 1 airtight, to increase the cleanliness of internal components such as a camera and a display screen, and to prevent the problem of the reduction in the service life of electronic parts due to the accumulation of dust.
The back plate 5 serves as a main heat dissipation medium and has two heat dissipation designs. One is a plurality of central middle permeable blocks 52, and the middle permeable blocks 52 are a plurality each in the shape of a regular polygon. The other is a side ventilation groove 51 which is long strip-shaped and extends in the vertical direction. In a specific product, the middle air permeable block 52 is arranged at the center of the middle part, and the side air permeable grooves 51 are arranged at the left side and the right side. The slotted area, i.e. the ventilation area, of the single middle ventilation block 52 is larger than that of the single side ventilation slot 51, so that a filter screen 53 is additionally installed on the middle ventilation block 52.
The side plate 3 is also provided with a heat dissipation design, and the heat dissipation design has a heat dissipation effect which is convenient to adjust and switch. Specifically, as shown in fig. 1 and 3, a side plate groove 31 is formed in the side plate 3, a plurality of turnover plates 32 are arranged in the side plate groove 31, each turnover plate 32 is movably connected with the side plate 3 through a connecting shaft 33, and the plurality of turnover plates 32 are connected with a connecting rod 34. The user can adjust the turning direction of the plurality of turning plates 32, and adjust the side opening state or the side closing state by the pulling action of the connecting rod 34, thereby adjusting the heat dissipation effect.
The bottom is a bottom plate 6, as shown in fig. 4, a slide inlet 65 is formed at the bottom of the side plate 3, a receiving groove 61 is formed on the bottom plate 6, and a user can slide the slide plate 62 into or out of the receiving groove 61 through the slide inlet 65. The sliding plate 62 is detachably connected with a cleaning plate 63, the cleaning plate 63 is provided with a plurality of adsorption columns 64 extending in the vertical direction, the adsorption columns 64 are made of elastic materials and used for adsorbing dust and foreign matters in the inner cavity of the mounting box 1, and a user can regularly slide the whole sliding plate 62 out and clean or replace the cleaning plate 63.
As shown in fig. 5, the present embodiment further includes an image pickup device 8, and the image pickup device 8 may be mounted on the mounting box 1 or the cover plate 2 and electrically connected to the electronic components in the box body. In this embodiment, the imaging device 8 may be mounted on the cover plate 2.
The frame structure of the image pickup device 8 is an apparatus case 81 in which two main rails 821 parallel to each other are provided, on which two sliders 822 slide in the height direction. The two sliding blocks 822 are connected by a connecting shaft 823, the camera block 824 slides on the connecting shaft 823, namely in the horizontal direction, and the camera is installed on the camera block 824. The user can adjust the range of the imaging field of view in the vertical direction and the horizontal direction using the sliding movement by the imaging block 824.
In the present case, the cross section of the connecting shaft 823 is not circular, but is regular polygon, and such corner design prevents the imaging block 824 from rotating on the connecting shaft 823, thereby increasing the stability of the imaging range.
A filter screen 86 is provided at the back of the sliding camera module 82 for preventing dust from entering the electronic components, and the filter screen 86 and the equipment box 81 are provided with outlets 87 for the electric wires of the camera to pass through.
As shown in fig. 5 and 6, during the lateral movement of the camera block 824, the present solution increases the damping design to increase the stability of the movement and the accuracy of the adjustment. Specifically, the polishing block 83 is arranged below the camera block 824, and the polishing block 83 can be designed in a wave shape. The elastic cushion block 88 is disposed below the image pickup block 824, and is supported by an elastic material and elastically deformable and stretchable in the vertical direction. When a user uses the camera block 824 to move transversely, the lower surface, namely the wavy surface of the friction increasing block 83 collides with the upper surface of the elastic cushion block 88 to generate frictional resistance, and in order to further increase the frictional resistance and the damping hand feeling, the upper surface of the elastic cushion block 88 is provided with a plurality of damping prisms 881 which are parallel to each other and are uniformly spaced.
On the other hand, the elastic design is to protect the imaging block 824, but its support is also required to be considered, otherwise the damping feeling is affected. In the present case, a plurality of support columns 89 are provided below the elastic cushion block 88 to enhance the structural strength thereof. Meanwhile, the arc-shaped deformation groove 891 is opened on the side surface of each supporting column 89, so that the pressure can be buffered through the arc-shaped deformation of the supporting column 89 when the supporting column bears a large force, and the camera block 824 is protected.
In the present case, since the device is used in public places, it is necessary to pay attention to the degree of sanitation and cleanliness of the apparatus itself. The device case 81 is provided with a sheet groove 84, a cleaning sheet 85 can be connected to the sheet groove 84 through a spring and the like, when a user presses down the cleaning sheet 85, the cleaning sheet 85 passes through the sheet groove 84, and the cleaning cloth on the back wipes the camera.
A method for using a video playback system including user data processing, as shown in fig. 7, comprises the following steps:
step one, information input step;
in the step, a camera device is used for recognizing the face of a user, and a user name and face characteristic quantity information corresponding to the user name are stored in a data table in a storage module of the system; the imaging device can be any camera that can perform imaging normally. The storage module can be stored in the server and connected with the equipment through a network, and can also be directly integrated and installed in the electronic equipment in the inner cavity of the box body.
Step two: a detection step;
a user enters a video capturing area of the camera module; the camera module is the camera in the camera block 824 described above.
Step three: a step of feature extraction;
the feature extraction module extracts face feature quantity of a user; the identification techniques of this part may use well established content in the prior art. Such as the hog (histogram of Oriented gradients) histogram of Oriented gradients, an algorithm capable of detecting object contours; it is also a method of finding points (called feature points, landmurak) that are ubiquitous on 68 human faces, invented in 2014 by wald-chi m (Vahid Kazemi) and Josephine Sullivan (Josephine Sullivan).
Step four: searching;
searching according to the extracted facial feature information of the user and the information in the data table, and judging that the identification is successful when the matching degree of the feature quantity exceeds a preset threshold value; for example, the goodness of fit exceeds 70%, and this particular value can be adjusted by the system administrator in the algorithm design.
Step five: time statistics and recording;
and counting the time when the face of the user is detected and the duration when the face of the user is continuously detected, and inputting the data into corresponding information in the data table. The detected time refers to the time of the moment of successful identification, and the time parameter is data which is important for some scenes, such as face card punching in an elevator of an employee. And the duration, for example, the product being an in-elevator advertisement player, may record the duration of time a user continues to watch.
In addition, the method also comprises an authorization step and an information output step, and the administrator can operate the data output of the data table after passing the authorization authentication.
Claims (7)
1. A video playback system including user data processing, comprising a multimedia module, characterized in that: further comprising: a camera module: the face image shooting device is used for shooting a face image of a user; a feature extraction module: extracting user facial feature information by a user; a storage module: a data table containing information reflecting user names and facial features of users; a calculation identification module: searching according to the extracted facial feature information of the user and the information in the data table; a statistic module: writing data into remark information of a user, wherein the remark information comprises the time for detecting the face of the user and the duration for continuously detecting the face of the user; also comprises a box body and a display screen arranged on the box body, wherein the box body is provided with a camera device, the camera device comprises an equipment box and a sliding camera module arranged on the equipment box, the sliding camera module comprises a main track, a slide block sliding on the main track, a connecting shaft connected on the slide block and a camera block sliding on the connecting shaft, the camera shooting block is provided with a camera, the camera shooting device comprises an elastic cushion block made of elastic materials, the camera block is provided with an abrasion increasing block used for being matched with the elastic cushion block, the surface of the abrasion increasing block is wavy, the elastic cushion block is provided with a plurality of damping prisms which are parallel to each other and arranged in a convex mode, the elastic cushion block is far away from one face of the sliding camera module, a supporting column is arranged on one face of the sliding camera module, and two sides of the supporting column are provided with arc-shaped deformation grooves.
2. A video playback system including user data processing according to claim 1, wherein: the data table contains a user name, user facial feature information, and remark information, including the time the user was identified and the duration of time the user was detected.
3. A video playback system including user data processing according to claim 1, wherein: the data processing device also comprises an output module which is used for outputting the information in the data table.
4. A video playback system including user data processing according to claim 3, wherein: the output module is also in communication connection with an authorization module and allows the information in the data table to be output after authorization.
5. Use of a video playback system comprising user data processing according to any of claims 1-4, characterized in that: comprises the following steps: step one, information input step; in the step, a camera device is used for recognizing the face of a user, and a user name and face characteristic quantity information corresponding to the user name are stored in a data table in a storage module of the system; step two: a detection step; a user enters a video capturing area of the camera module; step three: a step of feature extraction; the feature extraction module extracts face feature quantity of a user; step four: searching; searching according to the extracted facial feature information of the user and the information in the data table, and judging that the identification is successful when the matching degree of the feature quantity exceeds a preset threshold value; step five: time statistics and recording; and counting the time when the face of the user is detected and the duration when the face of the user is continuously detected, and inputting the data into corresponding information in the data table.
6. The method of claim 5, wherein the video playback system comprises a video playback system with user data processing, and the method further comprises: the method also comprises an authorization step and an information output step, and the administrator can operate the data output of the data table after passing the authorization authentication.
7. The method of claim 6, wherein the video playback system comprises a video playback system with user data processing, and the method further comprises: and the administrator can adjust and rewrite the parameter of the feature quantity goodness of fit threshold in the searching step after passing the authorization authentication.
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