Disclosure of Invention
The invention aims to provide a high-efficiency secret-related file and optical disc self-service recovery method and system, which are used for solving the problem of slower recovery efficiency of the secret-related file and the optical disc.
In order to achieve the above purpose, the present invention provides the following technical solutions: an efficient secret-related file and optical disc self-service recovery method, comprising:
user identity authentication, namely acquiring a behavior evaluation score of the user from a controller according to the user ID;
the file to be recovered is put into a paper feeder, the paper feeder feeds paper, and a code scanning module scans bar codes on the paper and records the bar codes;
according to the behavior evaluation score of the user, the code scanning module acquires a sampling strategy to take a picture, and compares the picture, and if the comparison is passed, the behavior evaluation score of the user is increased;
if the bar code identification is inconsistent with the picture original text, self-service recovery is interrupted, the behavior evaluation score of the user is reduced, and the sampling strategy of the user is modified;
firstly, placing the delivered file into a temporary storage bin, and when the paper file submitted by a user is consistent with the placed file perceived by the equipment, confirming by a touch screen; if the users are inconsistent, the temporary storage bin can be selected to be opened, and the files are put in the temporary storage bin again for recycling;
after the user confirms recycling, recycling the document enters a recycling bin, and recycling the document is finished.
Preferably, the control method of the paper feeding speed of the paper feeder comprises the following steps: the method comprises the following steps:
the paper speed is S1, the paper length is d, the sight distance and the visual distance of the code scanning module are d1 and d2 respectively, the number of times of each bar code being shot is x, and then: x= (d2++s 1++d))/(1000/120) = (d2++s 1×+d))++8.3;
if X is more than or equal to 3, the barcode shooting times are that the barcode is normally identified at the speed, and if X is less than 3, the identification is inaccurate, and the paper feeding speed is reduced.
Preferably, the method of alignment comprises the following algorithm:
the behavior evaluation comprises a credibility C, a threat degree T and an error rate F, wherein the value interval of the credibility C, the threat degree T and the error rate F is 0～ 1；
The credibility C is the credibility of the identification user, the higher the value is, the fewer the sampling times are, and the credibility C=all the sampling times are compared with the correct times/all the sampling times;
the threat degree T is the threat degree of the user view deception system, the higher the value is, the more dangerous, the more the threat degree T is, the more the sampling is carried out until the threat degree T is completely compared, and the threat degree T=the sampling comparison error/the sampling comparison times;
the error rate F is the number ratio of errors of the marking user, the higher the value is, the more error is easy to occur, and the error rate F=the number of times of opening the temporary storage bin in recycling/the total recycling number;
number of samples = total number of pages (1-C) T F.
The invention also provides a high-efficiency secret related file and an optical disk self-service recovery system, which comprises:
the paper feeder is used for conveying the files and the optical discs into the system;
the code scanning module is arranged on the side edge of the paper feeder and used for scanning code identification files and snapshot files;
the touch screen is used for interacting with a user;
the temporary storage bin is used for temporarily storing the file which is not confirmed by the user in the recovery task;
the recycling bin is used for storing recycling files confirmed by users;
and the controller is used for recording the behavior evaluation scores of the users and carrying out random extraction and comparison according to the behavior evaluation scores.
Preferably, the paper feeder includes:
the paper feeding unit is used for placing paper;
the paper feeding unit is used for receiving the paper conveyed by the paper feeding unit and driving the paper to push forwards;
the paper rubbing unit is used for receiving the paper conveyed by the paper conveying unit and separating the paper;
the paper conveying unit is used for receiving the paper conveyed by the paper rubbing unit and conveying the paper to the next mechanism;
a sorting unit for receiving the paper sheet conveyed by the paper conveying unit and switching the paper sheet conveying route according to the instruction of the controller (25);
the glass surface paper channel is arranged between the paper conveying unit and the sorting unit and is used for photographing and identifying the double-sided paper entering back scanning module.
Preferably, the paper feeding unit is arranged at the notch of the shell, and part of the paper feeding unit extends out of the shell and is inclined; the paper slides into the paper feeding unit through the paper feeding unit, and the paper feeding unit comprises: a paper feeding wheel and a paper feeding motor for driving the paper feeding wheel;
the paper feeding wheel comprises two first paper feeding wheels and two second paper feeding wheels, the cross sections of the first paper feeding wheels and the second paper feeding wheels are round, the two first paper feeding wheels and the two second paper feeding wheels are sleeved on a paper feeding shaft, the length of the first paper feeding wheels is 1/3-2/3 of that of the second paper feeding wheels, the second paper feeding wheels are distributed between the two first paper feeding wheels, the minimum distance between the second paper feeding wheels and the first paper feeding wheels is the same as the distance between the first paper feeding wheels and the shell, and the paper feeding motor is connected with the motor driving control unit.
Preferably, the paper rubbing unit includes: the paper twisting device comprises a paper twisting wheel, a paper twisting motor for driving the paper twisting wheel and a paper separating wheel matched with the paper twisting wheel for separating paper;
the paper rubbing wheel is sleeved on the paper rubbing shaft, gear-shaped grains are arranged on the surface of the paper rubbing wheel, the paper rubbing motor rotates to drive the paper rubbing shaft to rotate, the paper rubbing shaft rotates to drive the paper rubbing wheel, and the paper rubbing motor is connected with the motor driving control unit.
Preferably, the paper feeding unit includes: the paper feeding wheel, be used for installing the paper feeding axle of paper feeding wheel, drive paper feeding motor of paper feeding axle, the paper feeding axle includes: the first paper conveying shaft and the second paper conveying shaft are symmetrically distributed along a horizontal line of paper conveying; the paper conveying wheel is of a conical structure and is made of elastic rubber;
the paper conveying motor is connected with the motor driving control unit.
Preferably, the sorting unit includes: the paper path switching device comprises a paper path switching plate for switching the paper conveying direction, a sorting shaft for fixing the paper path switching plate and a sorting motor for driving the sorting shaft;
the sorting motor is connected with the motor driving control unit.
Preferably, the paper feeding wheel, the paper rubbing wheel, the paper feeding wheel and the upper end face of the paper path conversion plate are flush and parallel to the axis of the glass surface paper channel, the distance between the paper feeding unit and the paper feeding unit is the same as the distance between the paper rubbing unit and the paper feeding unit, the distance between the paper feeding unit and the paper sorting unit is 3-4 times that between the paper feeding unit and the paper feeding unit, the code scanning module comprises an upper module and a lower module, the upper module and the lower module are respectively arranged at the middle point positions of the paper feeding unit and the paper sorting unit, the upper module and the lower module are arranged on the same axis, the upper module is arranged on the upper side of the glass surface paper channel, the lower module is arranged on the lower side of the glass surface paper channel, the distance between the upper module and the lower module is 100mm, and the imaging angle is 90 degrees; cameras are arranged in the upper module and the lower module, the shooting speed of the cameras is 120 frames per second, if the controller detects that the number of paper shot in each second in the code scanning module is less than 3, the controller sends an adjusting instruction to a motor driving control unit, the motor driving control unit reduces the output power of a paper feeding motor, a paper rubbing motor and a paper conveying motor by 10%, and if the number of paper shot in each second of the cameras is equal to 3, the motor driving control unit sets the output power of the paper feeding motor, the paper rubbing motor and the paper conveying motor as set values; and if the number of the paper sheets shot by the camera in each second is greater than 3, the motor driving control unit increases the output power of the paper feeding motor, the paper rubbing motor and the paper conveying motor by 10%.
The invention has the technical effects and advantages that: according to the efficient secret-related file and optical disc self-service recovery method and system, bar code identification of certain paper and photo-taken picture original text are compared in different modes according to behavior evaluation of a user, and all scanning is avoided, so that the paper feeding speed can be greatly improved, the A3 paper feeding speed of 150 sheets/min can be achieved, the overall performance is doubled, the ineffective comparison times are reduced through a sampling detection algorithm of user behavior evaluation, the efficiency of the system is improved, very important contribution is made by improving the paper feeding efficiency through the cooperation of a high-speed paper feeder and a high-speed code scanning module, and the automatic recovery of secret-related files and optical discs can be completed under the condition of meeting safety protection requirements.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In this embodiment, the user a needs to recycle 2000 documents, which are all A3 sheets, and prints on both sides, and the bar code is arranged at the upper right corner of the sheet for recycling.
The invention provides a high-efficiency secret-related file and an optical disc self-service recovery method as shown in fig. 1, which are characterized in that according to the behavior evaluation of a user, bar code identification of paper and picture texts obtained by photographing are compared in different modes, so that all scanning is avoided, and the paper feeding speed can be greatly improved: the method comprises the following steps:
101. after the user completes identity authentication, the user selects self-service recovery, and the synchronous background program acquires the behavior evaluation score of the user from the controller 25 according to the user ID;
102. the user puts the file to be recovered in the high-speed paper feeder and clicks on the start, the high-speed paper feeder starts to feed paper quickly, and the code scanning module 22 scans the bar code on the paper quickly and records the bar code;
103. according to the difference of the user evaluation scores, the code scanning module 22 photographs according to a strategy, compares the full text, and if the user evaluation scores can pass, the user evaluation scores are improved;
104. if the bar code identification is inconsistent with the picture original text, self-service recovery is interrupted, deduction is carried out on user behavior evaluation, and then a stricter strategy is adopted by the user;
105. the user delivers the file and puts into the temporary storage bin 241 first, when the paper file submitted by the user is consistent with the put-in file perceived by the equipment, the user can confirm on the touch screen; if the files are inconsistent, the user can select to open the temporary storage bin 241 to put the files into the temporary storage bin again for recycling;
106. after the user confirms the recovery, the device opens the partition between the temporary storage bin 241 and the recovery bin 242, the recovery document enters the recovery bin 242, and the recovery of the document is finished.
The control method of the paper feed speed of the paper feeder 21 includes:
let the paper speed be S1, the paper length be d, the viewing distance and the visible distance of the barcode scanning module 22 be d1 and d2, respectively, and the number of times each barcode is photographed is x, then:
X＝(d2÷(S1*d))÷(1000/120)＝(d2÷(S1*d))÷8.3；
if X is more than or equal to 3, the number of times of bar code shooting can ensure that the bar code is normally identified, and if X is less than 3, the possibility of inaccurate identification exists, and the paper feeding speed needs to be reduced;
according to the behavior evaluation of different users, different sampling strategies are adopted for comparison, and the following algorithm is adopted:
the behavior evaluation comprises three dimensions of a credibility C, a threat degree T and an error rate F, wherein the value is in a range of 0-1;
the confidence level C is the confidence level of the identification user, the higher the value is, the fewer the number of times of sampling is needed, and the confidence level c=all samples are compared with the correct number of times/all samples;
the threat degree T is the threat degree of the user view deception system, the higher the value is, the more dangerous, the more sampling and even complete comparison are needed, and T=the error of the sampling comparison/the number of times of the sampling comparison;
the error rate F is the number of times the user makes mistakes, and the higher the value is, the more mistakes are likely to occur, and f=the number of times the temporary storage bin 241 is opened in recycling/the total recycling number;
sampling times = total number of pages (1-C) T F;
as shown in fig. 4, the method for evaluating and sampling user behavior according to the embodiment of the present invention includes:
251. the user swipes a card and passes identity authentication, and obtains a behavior evaluation score of the user according to the user ID, wherein the behavior evaluation score comprises a credibility C, a threat degree T and an error rate F;
252. the user puts the document to be recovered on the paper feeding mechanism;
253. calculating the sampling times according to the first evaluation value of the user, wherein the maximum value of single paper feeding of the equipment is 100, and the sampling times are 100 (1-C) T F;
254. due to the paper jam error, the temporary storage bin 241 needs to be opened, but the evaluation value is not affected;
255. because the sampling data is wrong, the paper content is not matched with the bar code on the paper, the threat degree T is increased, and the sampling frequency of the user is close to 100%;
256. the error rate F is increased due to code scanning errors, such as page missing and the like, and the sampling frequency of the user is increased accordingly;
257. opening a temporary storage bin 241 to prepare for re-paper placement;
258. and finishing paper discharge, adjusting the user behavior evaluation value C, and subsequently reducing the sampling times.
The invention also provides a high-efficiency secret related file and an optical disk self-service recovery system, which comprises:
the invention further provides a high-efficiency secret-related file and optical disc self-service recovery system as shown in fig. 2, which comprises:
a paper feeder 21; mainly responsible for feeding paper, including A3, A4, B5, optical disk, etc. can be accessed through the device;
the code scanning module 22 is respectively arranged on the upper side and the lower side of the paper feeding mechanism and is used for processing the condition of double-sided printing, the speed of the code scanning module 22 can reach 120fps, and besides code scanning identification, a high-speed camera is arranged and also supports quick snapshot for sampling comparison;
the touch screen 23 is mainly used for interacting with a user, and comprises function selection, confirmation of the number of paper sheets, recovery condition and the like;
the equipment is divided into a temporary storage bin 241 and a recovery bin 242, wherein the temporary storage bin 241 is used for temporarily storing files which are not confirmed by a user in a certain recovery task; the recycling bin 242 is used for storing recycling files confirmed by a user without errors, and the recycling bin 242 can only be opened by an administrator through identity authentication and passwords;
and the controller 25 is used for controlling the operation of the electronic parts of each part, recording the behavior and the evaluation scores of the users, and carrying out random extraction and comparison according to the scores.
As shown in fig. 3, the method for controlling paper feeding in the present invention includes:
starting paper feeding at the speed of 150A 3 paper sheets per minute by a high-speed paper feeder, and feeding 2.5 paper sheets per second;
a3 paper size is 297mm x 420mm so that a paper distance of 420 x 2.5mm = 10500mm can pass per second;
the code scanning module 22 is 100mm away from paper, the imaging angle is 90 degrees, the visual length is 200mm, and the time for the bar code to pass through the visual distance is 200/10500 s=0.019 s=19 ms;
the code scanning module 22 can shoot 120 frames in one second, shoot a picture in 8.3ms on average, and can shoot more than 3 pictures when the paper is fed at the speed, so that the A3 can be normally decoded at the paper feeding speed of 150 sheets per minute;
as shown in fig. 3, the paper feeder 21 includes:
the paper feeding unit 211 is arranged outside the equipment shell and is inclined to facilitate the paper to be placed and slid in;
the paper feeding unit 212 mainly drives the paper to push forward;
the paper rubbing unit 213 comprises a paper rubbing wheel 213B arranged on the shell and a paper separating wheel arranged on the support, and is mainly used for assisting in separating paper;
the paper feeding unit 214, including a paper feeding wheel 214B as a driving wheel, is an elastic rubber cone structure;
the sorting unit 215 comprises a sorting motor and a paper path conversion plate 215B, wherein the paper path conversion plate 215B is fixed on a shaft controlled by the sorting motor and rotates along with the rotation of the sorting motor;
the reason why the glass surface is adopted in the glass surface paper passage 216 is that the upper module 221 and the lower module 222 can perform photographing identification after the double-sided paper enters.
Specifically, as shown in fig. 5, the paper feeding unit 211 is disposed at a notch of the housing, and a part of the paper feeding unit extends out of the housing and forms an oblique angle; the paper slides into the paper feeding unit 212 through the paper feeding unit 211, and the paper feeding unit 212 includes: a paper feeding wheel and a paper feeding motor for driving the paper feeding wheel;
the paper feeding wheels comprise two first paper feeding wheels 212B and two second paper feeding wheels 212C, the cross sections of the first paper feeding wheels 212B and the second paper feeding wheels 212C are round, the two first paper feeding wheels 212B and the two second paper feeding wheels 21BC are sleeved on a paper feeding shaft 212A, the length of each first paper feeding wheel 212B is 1/3-2/3 of that of each second paper feeding wheel 212C, the second paper feeding wheels 212C are distributed between the two first paper feeding wheels 212B, the minimum distance between each second paper feeding wheel 212C and the first paper feeding wheel 212B is the same as the distance between the first paper feeding wheels 212B and the shell, the arrangement is used for improving paper feeding efficiency, matching with the next working procedure is achieved, and an accurate paper feeding motor is connected with a motor driving control unit;
the paper rubbing unit 213 includes: a paper rubbing wheel 213B, a paper rubbing motor for driving the paper rubbing wheel 213B, and a paper separating wheel matched with the paper rubbing wheel 213B for separating paper;
the paper rubbing wheel 213B is sleeved on the paper rubbing shaft 213A, gear-shaped grains are arranged on the surface of the paper rubbing wheel 213B, the paper rubbing motor drives the paper rubbing shaft 213A to rotate, the paper rubbing wheel 213B is driven by the rotation of the paper rubbing shaft 213A, and the paper rubbing motor is connected with the motor driving control unit;
the paper feeding unit 214 includes: a paper feed wheel 214B, a paper feed shaft 214A for mounting the paper feed wheel 214B, and a paper feed motor for driving the paper feed shaft 214A, wherein the paper feed shaft 214A comprises: the first paper conveying shaft and the second paper conveying shaft are symmetrically distributed along a horizontal line of paper conveying; the paper feeding wheel 214B has a conical structure and is made of elastic rubber;
the paper conveying motor is connected with the motor driving control unit.
The sorting unit 215 includes: a paper path switching plate 215B for switching a paper path transfer direction, a sorting shaft 215A for fixing the paper path switching plate 215B, and a sorting motor for driving the sorting shaft 215A;
the sorting motor is connected with the motor driving control unit;
the upper end surfaces of the paper feeding wheel, the paper rubbing wheel 213B, the paper feeding wheel 214B and the paper path conversion plate 215B are flush and parallel to the axis of the glass surface paper channel 216, the paper feeding unit 211 is the same as the paper feeding unit 212 and the paper rubbing unit 213, the distance between the paper feeding unit 214 and the sorting unit 215 is 3-4 times that between the paper feeding unit 211 and the paper feeding unit 212, the arrangement is matched with the controller 25 to realize accurate paper feeding, the code scanning module 22 comprises an upper module 221 and a lower module 222, the upper module 221 and the lower module 222 are respectively arranged at the middle points of the paper feeding unit 214 and the sorting unit 215, so that the scanning accuracy is improved, the upper module 221 and the lower module 222 are arranged on the same axis, the upper module 221 is arranged on the upper side of the glass surface paper channel 216, the lower module 222 is arranged on the lower side of the glass surface paper channel 216, and the height of the upper module 221 and the lower module 222 is 100mm, and the imaging angle of the height of the upper module 221 and the lower module 222 is 100 mm. Cameras are arranged in the upper module 221 and the lower module 222, the shooting speed of the cameras is 120 frames per second, if the controller 25 detects that the number of the paper shot in each second in the code scanning module 22 is less than 3, the controller 25 sends an adjusting instruction to a motor driving control unit, the motor driving control unit reduces the output power of the paper feeding motor, the paper rubbing motor and the paper conveying motor by 10%, and if the number of the paper shot in each second of the cameras is equal to 3, the motor driving control unit sets the output power of the paper feeding motor, the paper rubbing motor and the paper conveying motor as set values; and if the number of the paper sheets shot by the camera in each second is greater than 3, the motor driving control unit increases the output power of the paper feeding motor, the paper rubbing motor and the paper conveying motor by 10%.
According to the efficient secret-related file and optical disc self-service recovery method and system, bar code identification of certain paper and photo-taken picture original text are compared in different modes according to behavior evaluation of a user, and all scanning is avoided, so that the paper feeding speed can be greatly improved, the A3 paper feeding speed of 150 sheets/min can be achieved, the overall performance is doubled, the ineffective comparison times are reduced through a sampling detection algorithm of user behavior evaluation, the efficiency of the system is improved, very important contribution is made by matching a high-speed paper feeder with a high-speed code scanning module 22, and automatic recovery of secret-related files and optical discs can be completed under the condition of meeting safety protection requirements.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.