1. A bill identifying apparatus, comprising: the device comprises a device body, a supporting part, a gland part, an image acquisition part and a communication module; the supporting component is arranged on the equipment body and used for supporting bills to be identified, the pressing cover component is rotationally arranged on the equipment body and can cover the bills to be identified on the supporting component when the pressing cover component is rotationally closed on the equipment body, the image acquisition component is arranged in the equipment body in a mode of separating a preset distance from the supporting component and used for acquiring image information of the bills to be identified on the supporting component, and the communication module is used for sending the image information of the bills to be identified acquired by the image acquisition component.

2. The bill identifying apparatus according to claim 1, further comprising an illumination device provided between the supporting member and the image capturing member for providing illumination conditions required for image capturing for the bill on the supporting member.

3. The bill identifying apparatus according to claim 1, further comprising an open-close sensor provided at one side of the supporting member for sensing whether the cover member is closed on the apparatus body.

4. The bill identifying apparatus according to claim 1, further comprising a barrier member provided at one side of the supporting member for holding the bill.

5. The bill identifying apparatus according to any one of claims 1 to 4, wherein the supporting member is a transparent panel.

6. The bill identifying apparatus according to any one of claims 1 to 4, wherein the supporting member is inclined at an angle in the range of 0 to 90 degrees with respect to a horizontal direction.

7. The bill identifying apparatus according to any one of claims 1 to 4, wherein the cover member is mechanically connected to the apparatus body by a pivot.

8. The bill identifying apparatus according to any one of claims 1 to 4, wherein the cover member is a cover plate.

9. The document identification device of claim 8 wherein the cover is a contrasting color to the document.

10. The document identification device according to any one of claims 1 to 4 wherein the image capture component comprises one or more cameras.

11. The bill identifying apparatus according to any one of claims 1 to 4, wherein an area of a covering area of an angle of view of the image pickup section is at least larger than an area of the supporting section.

12. A bill identifying method based on the bill identifying apparatus according to claims 1 to 11, comprising:

opening a gland part of the bill identifying device, placing a bill to be identified on a supporting part of a device body, and closing the gland part;

the image acquisition part acquires image information of the bill to be identified on the support part.

Background

At present, in businesses such as shopping malls and supermarkets, small ticket credit return, ticket certificate storage and the like, image information of tickets is required to be collected.

In the prior art, when a bill is shot by a mobile phone, shooting problems such as inclination, bending, wrinkling, shading, fuzzy background disorder and the like easily occur, so that a shot image is difficult to be recognized by image recognition equipment, and the overall recognition rate and quality precision of bill shooting recognition are low.

Disclosure of Invention

The invention provides bill identification equipment and method, which aim to solve the technical problem that in the prior art, a bill image shot by a mobile phone is difficult to identify.

In a first aspect, an embodiment of the present invention provides a bill identifying apparatus, which includes an apparatus body, a supporting part, a pressing part, an image collecting part, and a communication module; the supporting component is arranged on the equipment body and used for supporting bills to be identified, the pressing cover component is rotationally arranged on the equipment body and can cover the bills to be identified on the supporting component when the pressing cover component is rotationally closed on the equipment body, the image acquisition component is arranged in the equipment body in a mode of separating a preset distance from the supporting component and used for acquiring image information of the bills to be identified on the supporting component, and the communication module is used for sending the image information of the bills to be identified acquired by the image acquisition component.

According to an embodiment of the invention, the bill identifying device further comprises an illuminating device arranged between the supporting part and the image acquisition part and used for providing illumination conditions required for image acquisition for the bill on the supporting part.

According to an embodiment of the present invention, the bill identifying apparatus further includes an open/close sensor disposed at one side of the supporting member for sensing whether the cover member is closed on the apparatus body.

According to an embodiment of the present invention, the bill identifying apparatus further includes a blocking member provided at one side of the supporting member for fixing the bill.

According to an embodiment of the present invention, the support member is a transparent panel.

According to an embodiment of the present invention, the supporting member forms an inclination angle with a horizontal direction, and the inclination angle ranges from 0 to 90 degrees.

According to an embodiment of the invention, the gland member is mechanically connected to the apparatus body by a pivot.

According to an embodiment of the present invention, the above-mentioned gland member is a cap plate.

According to an embodiment of the present invention, the color of the cover plate is a color contrasting with the bill.

According to an embodiment of the present invention, the image capturing means comprises one or more cameras.

According to an embodiment of the present invention, an area of a coverage area of an angle of view of the image pickup element is at least larger than an area of the support element.

In a second aspect, an embodiment of the present invention provides a bill identifying method based on the bill identifying apparatus as described above, including:

opening a gland part of the bill identifying device, placing a bill to be identified on a supporting part of a device body, and closing the gland part;

the image acquisition part acquires image information of the bill to be identified on the support part.

When a bill is shot by a mobile phone in the prior art, due to the flexibility of the bill and the problems of inclination, bending, wrinkling, shading, fuzzy background disorder and the like caused by the non-standardization of manual shooting, a shot image is difficult to be identified by image identification equipment, the integral identification rate of the shot image identification and the quality precision are low, even if a front-end detection algorithm is adopted for hot area detection, the flatness and the alignment of a text area are ensured as much as possible, certain correction compensation processing and other means are carried out after shooting, the correction is carried out by using the algorithm with high complexity, the conditions that a plurality of algorithms are difficult to detect and correct exist due to the reasons, and the high-quality bill image cannot be stably obtained.

Compared with the problems, the embodiment of the invention has at least the following advantages or beneficial effects that the bill recognition device enables the bill with a non-rigid structure to be unfolded and flattened in the physical constraint mode by clamping the bill between the supporting part and the pressing cover part, and the image acquisition part arranged in the recognition device and the lighting device providing lighting conditions if necessary are matched, so that the mechanical stability is higher when the bill image is acquired, the focusing is facilitated, the high-quality and high-definition image is stably acquired, and the pressing cover part forming contrast color with the bill is combined, so that the influence of background elements can be removed more easily when the image acquisition part acquires the bill image for recognition, only the information on the bill is acquired, the recognition difficulty is reduced, and the accuracy and the recognition efficiency are improved.

In addition, the bill identifying device also has the following advantages: the whole mechanical structure of the equipment is simple, durable, high in reliability and low in use threshold, and compared with other complex mechanical auxiliary structures which are easy to generate mechanical faults or loss, the equipment is low in manufacturing cost, high in stability after long-term use and high in practical value and engineering value; the equipment assists the shooting of the bill by a simplified device structure, and is convenient for modularization; the size of the supporting part and the pressing cover part for restraining the bills in the equipment can be flexibly adjusted, so that various sizes of bills can be compatible, and the equipment has compatibility and universality.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 schematically illustrates a front view of a bill identification device according to one embodiment of the present invention;

FIG. 2 schematically illustrates a front view of a document identification apparatus according to one embodiment of the present invention;

FIG. 3 schematically illustrates a side view of a document identification apparatus according to one embodiment of the present invention; and

FIG. 4 schematically illustrates a flow chart of a method of ticket identification according to another embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "inner", "center", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The invention aims to provide bill identifying equipment, which is characterized by comprising the following components: the device comprises a device body, a supporting part, a gland part, an image acquisition part and a communication module; the supporting component is arranged on the equipment body and used for supporting bills to be identified, the pressing cover component is rotationally arranged on the equipment body and can cover the bills to be identified on the supporting component when the pressing cover component is rotationally closed on the equipment body, the image acquisition component is arranged in the equipment body in a mode of separating a preset distance from the supporting component and used for acquiring image information of the bills to be identified on the supporting component, and the communication module is used for sending the image information of the bills to be identified acquired by the image acquisition component.

A first exemplary embodiment of the present invention provides a front view of a bill identifying apparatus.

Fig. 1 schematically shows a front view of a bill identifying apparatus according to one embodiment of the present invention.

As shown in fig. 1, the bill identifying apparatus 100 includes an apparatus body 10, a supporting member 13, a capping member 11 and an image collecting member 12, a communication module, the supporting member 13 is provided on the apparatus body 10 for supporting the bill to be identified, the capping member 11 is rotatably provided on the bill identifying apparatus 100, the capping member 11 is provided to be capable of covering the bill to be identified on the supporting member 13 when it is rotatably closed on the apparatus body 10, the image collecting member 12 is provided in the apparatus body 10 at a predetermined distance from the supporting member 13 for collecting image information of the bill to be identified on the supporting member 13, and the communication module is used for transmitting the image information of the bill to be identified collected by the image collecting member.

The support member 13 may be a transparent panel made of materials including but not limited to glass, plastic, and a rigid support structure such as a grid frame, which is strong enough to hold and support the bill. Inside the bill identifying apparatus 100, an image collecting part 12 is provided, and the image collecting part 12 may be one or more cameras, scanners, etc., and the camera may be a wide-angle high-pixel camera.

The cover part 11 can be a cover plate, the color of the cover plate is a color which is in sharp contrast with the bill, for example, the bill is light color, the cover plate can be dark color, thus the dark cover plate eliminates the interference of background elements except the bill, the bill and the cover plate form an obvious boundary, and the cover plate is beneficial to eliminating excessive interference when an image is shot.

The cover plate is arranged on the bill identification device 100 in a rotating mode through the rotating shaft, the cover plate can be a rectangular dark cover plate, the rotating shaft of the long edge of the cover plate is connected to the device 100 and is adjacent to the long edge of the panel, the cover plate can be opened and closed through lifting or pressing the cover plate, and the cover plate is covered when the cover plate is closed. The user can hold the cover plate by hand to rotate the cover plate to different positions, and when the cover plate is rotated to a position close to the panel, the cover plate is in a closed state; when the cover plate is far away from the transparent panel, the cover plate is in an open state at the moment.

The sizes of the supporting part 13 and the gland part 11 are adjustable, in particular, the size of the supporting part and the size of the gland part for restraining the bills in the equipment can be flexibly adjusted, so that the equipment is compatible with various sizes of bills, the equipment has compatibility and universality, when the sizes of the supporting part 13 and the gland part 11 are adjusted, the area of the gland part needs to be capable of covering the supporting part, and the size of the equipment body also needs to be adaptively adjusted to be capable of accommodating all the parts arranged on the gland part.

When the bill is shot, the content surface of the bill, which is recorded with effective information, is attached to the transparent panel, the cover plate is closed, and the bill is pressed by the cover plate, so that the edge of the bill is smooth, the obtained bill image is smooth and clear, and the bending, the folding and the like of the bill caused by non-rigid body or artificial storage are avoided; when no user identifies the bill, the closed cover plate can also protect the panel. When the user places the bill closed cover plate to identify the bill, the cover plate is opened, the bill to be identified is placed on the panel of the equipment body, the cover plate is closed, the bill is flattened, the folded and bent parts are unfolded, the shielded or bent content on the bill is flattened, and the contrast formed by the back plate with the contrast color is combined, so that when the image acquisition part acquires the image, only the color and the bill of the back plate exist in the acquired image, and the interference of background elements is removed. After the camera collects the bill image, the image data can be sent to the equipment capable of image processing through the communication module for further processing, for example, OCR recognition and text structuring processing for hot zone positioning and rotation correction can be performed on the bill image by adopting the image processing equipment.

Optionally, the bill identifying apparatus 100 further includes an illuminating device 14, and the illuminating device 14 is disposed inside the apparatus body 10 between the supporting member 13 and the image capturing member 12, and is used for providing an illuminating condition required for image capturing for the bill on the supporting member 13.

The lighting device 14 may be a light source, such as an LED light bar or a light panel, which emits light to illuminate an area on the transparent panel where the bill is placed, so as to provide lighting conditions or some supplementary lighting for shooting the bill face. When the ambient light is dim, the lighting equipment is started to supplement light for the bills placed on the transparent panel; and then the identification equipment shoots the bill after the light supplement, so that the obtained bill image is clearer.

Fig. 2 schematically shows a front view of a bill identifying apparatus according to one embodiment of the present invention.

As shown in fig. 2, the bill identifying apparatus 100 may further include an open/close sensor disposed at one side of the supporting member for sensing whether the cover member is closed on the apparatus body. Specifically, the sensor may be an infrared sensor, a hall sensor, or a Radio Frequency Identification (RFID) sensor, and the installation position of the sensor is not limited, and the sensor may be adaptively installed according to the current spatial position of the bill Identification device. The sensor can capture the opening and closing state information of the cover plate, and the state information of the cover plate 12 comprises an opening state, a closing state and the like. For example, one or more sensors may be installed at a position on the bottom surface side of the panel, and an RFID chip may be installed at a corresponding position on the cover plate, so as to provide signal feedback for the opening and closing of the cover plate.

Optionally, the bill identifying apparatus 100 further includes a blocking member 15, and the blocking member 15 is disposed at one side of the supporting member for fixing the bill. This separate and keep off part 15 can be one or more kerve, the arch of border department under the panel and separate and keep off strip etc. it is used for the bearing bill for the difficult landing of bill plays the fixed action to the bill of placing.

FIG. 3 schematically illustrates a side view of a document identification apparatus according to one embodiment of the present invention.

Referring to fig. 1 and 3, the image pickup part 12 is provided in the bill identifying apparatus 100 at a predetermined distance from the support part 13, the predetermined distance may be a mounting depth of one or more cameras, and the depth may be adjustable, for example, 10cm, 25cm, or the like. Specifically, the range which can be shot by the camera is obtained by calculating the angle of view of the adopted camera and the installation depth of the adopted camera, and the installation depth of the camera is flexibly defined, so that the area of the coverage area of the angle of view of the camera is at least larger than that of the supporting part, and the complete bill face can be shot by the camera at any position of the bill falling on the panel.

Depending on the installation depth of the image capturing part 12 and the structural appearance of the apparatus body, the supporting part 13 may be inclined to the horizontal to a certain degree, which may range from 0 to 90 degrees, for example, when the inclination is 0 degrees, the supporting part is in a horizontal state, and for example, fig. 3 shows a side view of the apparatus 100 when the cover is in an open state at an inclination of 30 degrees, and when the cover is opened and a bill is placed on the panel, the panel cooperates with the blocking part (bottom groove), and due to the inclination of 30 degrees, the direction of the bill is naturally corrected by gravity so that the lower edge of the bill falls on the bottom groove to be aligned therewith.

Compared with the situation that many algorithms are difficult to detect and correct due to the fact that a front-end detection algorithm is adopted but limited by the non-rigid body attribute of a bill and the non-standardization of a user when shooting is carried out on the basis of a mobile phone, the embodiment of the invention restrains shooting in a hardware-assisted physical restraint mode through a hardware auxiliary device in a scene of shooting bill identification, avoids most problems existing in mobile phone shooting, and can combine an image identification component to carry out hot area positioning and rotation correction on the bill image, so that the user is helped to stably obtain a high-quality bill image, further, the bill face information is efficiently obtained, the light weight of the algorithm is realized, the calculation speed is accelerated, and the identification efficiency is improved.

A second exemplary embodiment of the present invention provides a flowchart of a ticket recognition method.

FIG. 4 schematically illustrates a flow chart of a method of ticket identification according to another embodiment of the present invention.

As shown in fig. 4, the bill identifying method includes:

s11: opening a gland part of the bill identifying device, placing a bill to be identified on a supporting part of a device body, and closing the gland part;

s12: the image acquisition part acquires image information of the bill to be identified on the support part.

The bill identification method in this embodiment is implemented by using the bill identification device according to any one of the foregoing embodiments, and the implementation principle and technical effect thereof are similar to those of the foregoing embodiments, and are not described here again.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.