CN103077668B - Virtual interaction display system and method for agricultural products - Google Patents
Virtual interaction display system and method for agricultural products Download PDFInfo
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- CN103077668B CN103077668B CN201310003107.7A CN201310003107A CN103077668B CN 103077668 B CN103077668 B CN 103077668B CN 201310003107 A CN201310003107 A CN 201310003107A CN 103077668 B CN103077668 B CN 103077668B
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Abstract
The invention relates to the technical field of virtual reality, in particular to a virtual interaction display system and a virtual interaction display method for agricultural products based on an augmented-reality technology. An interaction module is used by a visitor for selecting an agricultural product type and a display content type; an acquisition module is for acquiring selection information of the interaction module; an identification module is used for identifying the selection information; and a drawing module is used for selecting display contents from a database module according to an identification result fed back by the identification module and displaying on a display terminal. Due to the adoption of the virtual interaction display system and the virtual interaction display method, the application requirements of introduction, promotion, popular science education and the like on specific agricultural products can be met, and the field display interest and appeal of the agricultural products are enhanced; and meanwhile, the virtual interaction display system and the virtual interaction display method have the characteristics of easiness, practicability and capability of flexibly expanding display contents.
Description
Technical field
The present invention relates to technical field of virtual reality, be specifically related to a kind of agricultural product virtual interactive display systems based on augmented reality and method.
Background technology
At present, most of agricultural product interactive exhibition system mainly utilizes figure and image technique the information such as the mode of appearance of agricultural product, production run and purposes to be made into can at the digital image of the terminal plays such as computing machine, panel computer, video or animation, and be stored in playback terminal for the on-the-spot program request of user, or by the approach such as internet, wireless network for user's remote playing.
The agricultural product way of presentation that tradition is undertaken by modes such as papery publicity materials and on-the-spot visual illustrations has greatly been widened in the widespread use of infotech, improves bandwagon effect and the efficiency of agricultural product, has positive realistic meaning.Although the application of infotech brings great convenience to the displaying promotion of agricultural product, it is too passive that user still exists when receiving agricultural product information, the problem of interactive property difference.Particularly in indoor application occasions such as agricultural product exhibition, fair and Popular Science Education bases, the exhibition method of existing agricultural product relevant information lacks attraction user and carries out initiatively mutual mode, does not utilize the popularization of agricultural product.
In recent years, along with the fast development of virtual reality (VR, Virtual Reality) particularly augmented reality (AR, Augmented Reality), bring a kind of method having more On-the-spot Interaction enjoyment to the displaying of agricultural product publicity.The dummy object of Practical computer teaching, scene or other information superpose and are shown in real scene by AR technology in real time, carry out actual situation combination, enable user see thing more more than real world.Pass through augmented reality, can the minutia of fruit inside and Different Nutrient Elements be superimposed upon in the image information of fruit in the situation that absorbs of inside of human body by three-dimensional animation visual pattern, thus when user watches the image information of fruit, obtain simultaneously more mainly with and the supplementary of visual pattern more.
The application scheme utilizing augmented reality to carry out product introduction in the world at present mainly comprises two kinds: one uses helmet-mounted display as display terminal, and one uses liquid crystal display as display terminal.The former is integrated with the device such as camera and miniscope on Helmet Mounted Display, takes real world images by camera, and carries out integrating rear display over the display with dummy object or scene, and user utilizes this system by wearing the helmet; But in this scheme, user needs dress to helmet just to carry out mutual, and complex operation, user interactions is friendly not, and only has user people can see displaying content, is therefore only suitable for applying in some specific occasions.And in use liquid crystal display as in the technical scheme of display terminal, camera is mainly utilized to follow the tracks of displaying object and the interactive action video image of acquisition user, and video image is sent on computing machine identifies, then show the composite signal merging and catch user interactions action and dummy object or virtual scene in real time on a liquid crystal display.
In sum, a kind of agricultural product virtual interactive display systems of practicality newly and method urgently provide.
Summary of the invention
(1) technical matters that will solve
The object of the present invention is to provide a kind of agricultural product virtual interactive display systems based on virtual reality technology and method, in order to meet Ways of Special Agricultural Products introduction publicity, promote and the application demand such as Popular Science Education, improve interest and the appeal of agricultural product outpost display.
(2) technical scheme
Technical solution of the present invention is as follows:
A kind of agricultural product virtual interactive display systems, comprises interactive module, acquisition module, identification module, database module, drafting module and display terminal;
Described interactive module, selects produce type for visitor and shows content type;
Described acquisition module, gathers the selection information of described interactive module and is sent to identification module;
Described identification module, identifies described selection information and feeds back to drafting module;
Described database module, stores all types of displaying content of all agricultural product;
Described drafting module, selects to show that content displaying is at described display terminal from described database module according to described identification module feedack.
Preferably, described interactive module comprises scaling board and several agricultural product cards; Described scaling board is split into multiple region, the corresponding a kind of displaying content type in each region; Often open the corresponding a kind of agricultural product of described agricultural product card; A described agricultural product card is placed in certain region of scaling board, represents and select produce type and show content type.
Preferably, described scaling board is split into four regions, respectively corresponding agricultural product digital image, three-dimensional model, home environment video and nutritive value animation.
Preferably, described agricultural product card face has agricultural product visual image and the indicia patterns of its correspondence.
Preferably, described acquisition module comprises video camera.
Preferably, described identification module, database module and drafting module are all integrated in computing machine.
Preferably, described display terminal comprises liquid crystal display.
The present invention also provides and sees a kind of agricultural product virtual interactive methods of exhibiting in conjunction with said system:
A kind of agricultural product virtual interactive methods of exhibiting, comprises step:
S1. the two-dimensional coordinate in region each on described scaling board and the indicia patterns of often opening on described agricultural product card are stored in described identification module;
S2. described acquisition module will follow the tracks of the agricultural product card image that collects and this agricultural product card is sent to described identification module in the positional information of scaling board;
S3. described identification module contrasts the data that store in the information and described step S1 that described acquisition module sends, and obtains produce type that visitor selects and shows content type;
S4. described drafting module is selected to show that content displaying is at described display terminal from described database module according to recognition result in described step S3.
(3) beneficial effect
The present invention passes through interactive module, select produce type for visitor and show content type, pass through acquisition module, gather the selection information of interactive module, pass through identification module, identify described selection information, by drafting module, the recognition result according to identification module feedback is selected to show that content displaying is at display terminal from database module; The present invention can meet Ways of Special Agricultural Products introduction publicity, promote and the application demand such as Popular Science Education, improve interest and the appeal of agricultural product outpost display; The present invention simultaneously has simple and practical and can expand the feature of showing content flexibly.
Accompanying drawing explanation
Fig. 1 is a kind of agricultural product virtual interactive display systems module diagram of the present invention;
Fig. 2 is a kind of agricultural product virtual interactive methods of exhibiting schematic flow sheet of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the embodiment of invention is described further.Following examples only for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment one
A kind of agricultural product virtual interactive display systems as shown in Figure 1, mainly comprises interactive module, acquisition module, identification module, database module, drafting module and display terminal etc.;
Described interactive module, selects produce type for visitor and shows content type;
Described acquisition module, gathers the selection information of described interactive module and is sent to identification module; In the present embodiment, acquisition module mainly comprises video camera, the selection image of video camera track up interactive module, and is sent to identification module;
Described identification module, identifies described selection information and feeds back to drafting module;
Described database module, stores the digital media file of all types of displaying content of all agricultural product;
Described drafting module, selects to show that content displaying is at described display terminal from described database module according to described identification module feedack;
Above-mentioned identification module, database module and drafting module are all integrated in computing machine, facilitate co-operating;
Described display terminal, for showing various types of agricultural product information; In this enforcement, display terminal mainly comprises liquid crystal display, can be used for many people jointly to visit experience.
Wherein, described interactive module comprises scaling board and several agricultural product cards; Described scaling board is split into multiple region, the corresponding a kind of displaying content type in each region; Often open the corresponding a kind of agricultural product of described agricultural product card; A described agricultural product card is placed in certain region of scaling board, represents and select produce type and show content type; Such as, described scaling board is split into four regions, respectively corresponding agricultural product digital image, three-dimensional model, home environment video and nutritive value animation, and each region is all marked with corresponding explanatory note, facilitates the understanding of visitor; Described agricultural product card face has the agricultural product visual image corresponding with it and indicia patterns, the indicia patterns of often kind of agricultural product is all not identical, indicia patterns is preferably simple pattern, such as, can be triangle, round dot, pentagram and other geometric schemes etc.
In practical operation, scaling board faces up and is fixed on immediately below video frequency pick-up head, and distance is between the two determined by the resolution of video frequency pick-up head and the size of scaling board, and the image that video frequency pick-up head is photographed just comprises the front of scaling board completely; Information and the position of agricultural product card on scaling board of agricultural product card is obtained by video frequency pick-up head, and the discernible data layout of the program that changes into, identification module is used for identifying the position of agricultural product card on scaling board and the indicia patterns on agricultural product card in the digital photograph taken from video frequency pick-up head, from database module, chosen the digital content of corresponding agricultural product by positional information and indicia patterns information, and output to LCDs by drafting module and show.
Embodiment two
In conjunction with the agricultural product virtual interactive methods of exhibiting that said system realizes, its process flow diagram as shown in Figure 2, mainly comprises the following steps:
S1. video frequency pick-up head is utilized to take the direct picture of scaling board, from captured digital image, distinguish the two-dimensional coordinate on maximum external quadrilateral four summits of four cut zone in computed image, and the two-dimensional coordinate on maximum external quadrilateral four summits in each region is saved in the identification module of computing machine; Meanwhile, the indicia patterns on all agricultural product cards is scanned into digital picture, and is saved in the identification module of computing machine, record the agricultural product title that each indicia patterns is corresponding simultaneously.
S2. described acquisition module and video frequency pick-up head by track up to agricultural product card image and this agricultural product card be sent to described identification module at the location drawing picture of scaling board.
S3. described identification module contrasts the data such as content-type information corresponding to the agricultural product card image that prestores and each region of scaling board in the image and described step S1 that described acquisition module sends, and obtains produce type that visitor selects and shows content type.
S4. in database module, classification stores the Digital Media of agricultural product made and shows content in advance: comprise the digital media file often opening Ways of Special Agricultural Products corresponding to agricultural product card according to displaying content production corresponding to four regions on scaling board, comprise digital image, three-dimensional model, home environment video and nutritive value animation etc.; Described drafting module is selected to show that content exports according to recognition result in described step S3 from described database module and is shown at described display terminal.
Agricultural product virtual interactive display systems of the present invention and method have the following advantages:
1, augmented reality is applied in the displaying publicity of Ways of Special Agricultural Products, has greatly expanded the product introduction mode of tradition by single forms such as paper material, two dimensional image, videos, improve initiative and interest that the public carries out obtaining product information.
2, for the feature of agricultural product, several main relevant information of agricultural product (mode of appearance, home environment and nutritive value etc.) that user is concerned about is made into the digital media content can selecting to play, and the selection mode of user is printed on scaling board by simple and clear special figure, user chooses the card of interested agricultural product and moves to the top of different special figure on scaling board, can see the digital medium file of this agricultural product corresponding types of dynamic play from LCDs.
3, the number of agricultural product card is not limited, can freely add; Meanwhile, on scaling board, the quantity of special figure also can customize according to concrete application demand, has good expandability.
4, compared with the existing augmented reality interactive display technical scheme based on label identification, the present invention program adopts simpler indicia patterns, avoid and directly use the digital picture of real-world object as label, reduce the difficulty identifying agricultural product from digital image, arithmetic speed when improve discrimination and speed and computer recognizing and accuracy, have good stability simultaneously.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification, therefore all equivalent technical schemes also belong to protection category of the present invention.
Claims (7)
1. an agricultural product virtual interactive display systems, is characterized in that, comprises interactive module, acquisition module, identification module, database module, drafting module and display terminal;
Described interactive module, selects produce type for visitor and shows content type;
Described acquisition module, gathers the selection information of described interactive module and is sent to identification module;
Described identification module, identifies described selection information and feeds back to drafting module;
Described database module, stores all types of displaying content of all agricultural product;
Described drafting module, selects to show that content displaying is at described display terminal from described database module according to described identification module feedack;
Described interactive module comprises scaling board and several agricultural product cards; Described scaling board is split into multiple region, the corresponding a kind of displaying content type in each region; Often open the corresponding a kind of agricultural product of described agricultural product card; A described agricultural product card is placed in certain region of scaling board, represents and select produce type and show content type.
2. agricultural product virtual interactive display systems according to claim 1, is characterized in that, described scaling board is split into four regions, respectively corresponding agricultural product digital image, three-dimensional model, home environment video and nutritive value animation.
3. agricultural product virtual interactive display systems according to claim 1 and 2, is characterized in that, described agricultural product card face has agricultural product visual image and the indicia patterns of its correspondence.
4. the agricultural product virtual interactive display systems according to claim 1-2 any one, it is characterized in that, described acquisition module comprises video camera.
5. the agricultural product virtual interactive display systems according to claim 1-2 any one, it is characterized in that, described identification module, database module and drafting module are all integrated in computing machine.
6. the agricultural product virtual interactive display systems according to claim 1-2 any one, it is characterized in that, described display terminal comprises liquid crystal display.
7. the agricultural product virtual interactive methods of exhibiting of system according to claim 1-6 any one, is characterized in that, comprise step:
S1. the two-dimensional coordinate in region each on described scaling board and the indicia patterns of often opening on described agricultural product card are stored in described identification module;
S2. described acquisition module will follow the tracks of the agricultural product card image that collects and this agricultural product card is sent to described identification module in the positional information of scaling board;
S3. described identification module contrasts the data that store in the information and described step S1 that described acquisition module sends, and obtains produce type that visitor selects and shows content type;
S4. described drafting module is selected to show that content displaying is at described display terminal from described database module according to recognition result in described step S3.
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