CN110633775B - information coding inner device - Google Patents

Abstract

The information coding inner layer structure of the present invention belongs to the technical fields of packaging and transportation, encryption and decryption, and information security; the surface of the information coding inner layer structure is provided with a first disk, a second disk and a third disk; the first disk The circumferential direction includes n step periods whose central angles form an arithmetic sequence, and the step height in each step period changes monotonically; the second disk includes p _i step periods in the circumferential direction, and the steps in each step period The height changes monotonously; the third disk includes 1 starting line and n position lines in the circumferential direction; the present invention can change the way that personal information is directly displayed on the courier document, and then make the personal information leak through the courier document fundamentally resolved.

Description

information coding inner device

This application is a divisional application of the invention patent application "Information Coding Structure Based on Circumferentially Arranged Step Array".

The original filing date: 2016-11-19.

Original application number: 2016110318908.

Invention name of the original application: information coding structure based on a circumferentially arranged step array.

technical field

The information encoding inner layer structure of the invention belongs to the technical fields of packaging and transportation, encryption and decryption, and information security.

Background technique

Online shopping has become an indispensable way of consumption in people's lives, and express delivery has also become an important voucher for transactions between buyers and sellers. At present, since the personal information of both the buyer and the seller will be directly displayed on the courier receipt, and the delivery will be carried out according to the information on the courier receipt, the personal information of both the buyer and the seller will be completely exposed to the public at all stages of delivery, which will easily cause personal loss of information. According to the survey, more than 70% of personal information is leaked through express delivery documents, which has brought many troubles to people's daily life and even caused serious economic losses.

Faced with the security issue of personal information leakage, although the government has called on the government to strengthen the formulation of strict supervision methods for the logistics industry, and is also raising the awareness of personal information protection between buyers and sellers, the method of directly displaying personal information on express receipts has not changed. , so there is no way to fundamentally solve the problem of personal information leakage through express delivery documents.

Contents of the invention

In view of the above problems, the present invention discloses an inner layer structure of information coding, which can completely change the way that personal information is directly displayed on the express delivery receipt, and thus fundamentally solve the problem of personal information leaking through the delivery receipt.

The purpose of the present invention is achieved like this:

An information coding structure based on a circumferentially arranged step array, including a coded inner layer and a sponge outer layer, the sponge outer layer is connected to the coded inner layer through a tearing line, and the surface of the coded inner layer is provided with a first disc, a second disc and a third disc;

The first disk includes n step periods in which the central angles form an arithmetic sequence in the circumferential direction, the height of the steps in each step period changes monotonically, the central angles corresponding to the steps in the same step period are equal, and the i-th step There are p _i fan-shaped steps in the cycle;

The second disk includes p _i step periods in the circumferential direction, the height of the steps in each step period changes monotonically, the central angles corresponding to the steps in the same step period are equal, and the central angle corresponding to the jth step period It is equal to the central angle corresponding to the jth step in the first disk, and there are q _i fan-shaped steps in the jth step cycle;

The third disk includes 1 starting line and n position lines in the circumferential direction, the 1 starting line and n position lines are located at the radius position, the cross-sectional figure is a triangle, and the starting line corresponds to the first circle The intersecting line corresponding to the step period of the largest central angle and the step period corresponding to the smallest central angle in the disc, each position line corresponds to a step period in the first disc.

An information decoding method based on a circumferentially arranged step array based on the above information coding structure based on a circumferentially arranged step array, comprising the following steps:

Step a, tearing off the outer layer of the sponge to expose the inner layer of the code;

Step b. Under the condition that the plane where the distance detection device is located is parallel to the plane where the inner layer of the code is located, take the center of the first disk as the center and take any length not exceeding the radius of the first disk as the radius, and run the distance detection device for one Circular trajectory, record the corresponding relationship between distance and angle f ₁ (d ₁ ,α ₁ ) for the first disk, take the center of the second disk as the center, take any length not exceeding the radius of the second disk as the radius, and the distance The detection device runs a circular trajectory, and records the corresponding relationship f ₂ (d ₂ ,α ₂ ) between the distance and the angle on the second disk, with the center of the third disk as the center, and any length not exceeding the radius of the third disk is the radius, the distance detection device runs a circular trajectory, and records the corresponding relationship between distance and angle f ₃ (d ₃ ,α ₃ ) for the third disk;

Step c. Calculate the derivative of f ₁ (d ₁ ,α ₁ ). Under the angle where the absolute value of the derivative is greater than the threshold value, it is the step change position; in the step change position, the derivative is less than 0 as the ascending step, and the derivative is greater than 0 as the Descending the steps; according to the changing position of the steps and the changing law of the lifting steps, determine the changing law of the steps in the first disc with the angle;

Step d. Calculate the derivative of f ₂ (d ₂ , α ₂ ). Under the angle at which the absolute value of the derivative is greater than the threshold value, it is the step change position; in the step change position, the derivative is less than 0 as the ascending step, and the derivative is greater than 0 as the Step down; according to the changing position of the step and the changing law of the lifting step, determine the changing law of the step in the second disc with the angle;

Step e, calculate the derivative of f ₃ (d ₃ , α ₃ ), at the angle where the absolute value of the derivative is greater than the threshold value, it is the step change position; in the step change position, the derivative is less than 0 as the ascending step, and the derivative is greater than 0 as the Descending the steps; according to the changing position of the steps and the changing law of the ascending and descending steps, determine the changing law of the starting line and the position line with the angle in the third disc;

Step c, step d and step e are executed synchronously or sequentially in any order;

Step f. Find the intersection line corresponding to the maximum central angle step period and the minimum central angle step period in the first disk, define this position as the starting position, and re-plan the variation law of the steps in the first disk with angle f ₁ (d ₁ ,β);

Step g, find the intersection line corresponding to the maximum central angle step period and the minimum central angle step period in the second disk, define this position as the starting position, and re-plan the variation law of the steps in the second disk with angle f ₂ (d ₂ ,β);

Step h, find the starting line in the third disk, define the position of the starting line as the starting position, and re-plan the change law f ₃ (d ₃ ,β) of the position line in the third disk with angle;

Step f, step g and step h are executed synchronously or sequentially in any order;

Step i, based on the principle that the angles of f ₁ (d ₁ , β), f ₂ (d ₂ , β) and f ₃ (d ₃ , β) are equal, determine the steps in the first disc, the steps in the second disc and The corresponding relationship of the position lines in the third disk;

Step j, identifying hidden information according to the corresponding relationship between the steps in the first disk, the steps in the second disk, and the position lines in the third disk.

In the above-mentioned information decoding method based on a circumferentially arranged stepped array, the step j includes the following steps:

Step j1, encoding the steps in the first disk, the encoding includes a period code and a step code;

Step j2, encoding the step in the second disk, the encoding includes a large period code, a small period code and a small step code;

Step j3, encoding the position line in the third disc, the encoding including the position code;

Step j1, step j2 and step j3 are executed synchronously or sequentially in any order;

The position code, the cycle code are consistent with the large cycle code, and the step code is consistent with the small cycle code;

Step j4. Based on the principle that the position code, period code and the large period code are consistent, and the step code is consistent with the small period code, the first disc, the second disc and the third disc are integrated and encoded to obtain the period code and the step code and small step codes;

Step j5, based on the period code, step code and small step code, find the information in the information table.

Beneficial effect:

First, compared with express receipts, the present invention hides all personal information in three discs, and people cannot obtain information intuitively, so it has the function of hiding personal information.

Second, the information coding structure of the present invention includes a coding inner layer and a sponge outer layer, and the sponge outer layer is connected with the coding inner layer through a tearing line, and the surface of the coding inner layer is provided with a first disk, a second disk and a third disk. Disk; that is, the disk carrying personal information is hidden in the inner layer of the code, so the information security can be ensured.

Third, since the identification information needs to tear the outer layer of the sponge, it can be judged whether there is information leakage by whether the tearing line is damaged.

Fourth, after identifying the information, the personal information is still hidden in the three discs, and there is no need to damage the packaging.

Fifth, in the structure of the present invention, the cycle of steps and the central angle corresponding to the steps in each cycle can be changed according to actual needs, which increases the flexibility in practical application.

Sixth, in the structure of the present invention, since the step curve is redrawn and coded according to the relative height of the steps, there is no requirement for precise processing of the height of the steps, which also increases the flexibility in practical application.

Seventh, the corresponding method of encoding and information can be changed flexibly, and the scalability is strong.

To sum up, the present invention can change the way that personal information is directly displayed on the courier receipt, thereby fundamentally solving the problem of leakage of personal information through the courier receipt.

At the same time, compared with the invention patents "A Packaging System with Information Hiding Function" and "A Method for Recognition of Hidden Information Based on Distance Recognition" filed on the same day, the present invention does not require a clear correspondence between the angles of the three disks. There is no need to correspond to the positions of the steps in the two invention patents filed on the same day, so it is easier to set up, which not only simplifies the setting steps of the three discs, but also reduces labor costs.

Description of drawings

Fig. 1 is a schematic diagram of the information coding structure based on the circumferentially arranged step array before the outer layer of the sponge is torn apart.

Fig. 2 is a schematic diagram of an information coding structure based on a circumferentially arranged step array after the outer layer of the sponge is torn off.

specific embodiment

Specific embodiment one

This embodiment is an embodiment of an information coding structure based on a circumferentially arranged step array.

The information coding structure based on the circumferentially arranged step array of this embodiment includes a coded inner layer and a sponge outer layer, the sponge outer layer is connected to the coded inner layer through a tearing line, and the surface of the coded inner layer is provided with a first disc, a second Second disc and third disc;

The schematic diagram of the information coding structure based on the circumferentially arranged step array before the outer layer of the sponge is torn is shown in Figure 1;

The schematic diagram of the information coding structure based on the circumferentially arranged step array after the outer layer of the sponge is torn is shown in Figure 2. In Figure 2, the high steps are represented by black, and the low steps are represented by white;

The first disk includes n step periods in which the central angles form an arithmetic sequence in the circumferential direction, the height of the steps in each step period changes monotonically, the central angles corresponding to the steps in the same step period are equal, and the i-th step There are p _i fan-shaped steps in the cycle;

The second disk includes p _i step periods in the circumferential direction, the height of the steps in each step period changes monotonically, the central angles corresponding to the steps in the same step period are equal, and the central angle corresponding to the jth step period It is equal to the central angle corresponding to the jth step in the first disk, and there are q _i fan-shaped steps in the jth step cycle;

The third disk includes 1 starting line and n position lines in the circumferential direction, the 1 starting line and n position lines are located at the radius position, the cross-sectional figure is a triangle, and the starting line corresponds to the first circle The intersecting line corresponding to the step period of the largest central angle and the step period corresponding to the smallest central angle in the disc, each position line corresponds to a step period in the first disc.

Specific embodiment two

This embodiment is an embodiment of an information decoding method based on a circumferentially arranged step array.

The information decoding method based on the circumferentially arranged step array of this embodiment is implemented on the information coding structure based on the circumferentially arranged step array described in the first specific embodiment, and the method includes the following steps:

Step a, tearing off the outer layer of the sponge to expose the inner layer of the code;

Step b. Under the condition that the plane where the distance detection device is located is parallel to the plane where the inner layer of the code is located, take the center of the first disk as the center and take any length not exceeding the radius of the first disk as the radius, and run the distance detection device for one Circular trajectory, record the corresponding relationship between distance and angle f ₁ (d ₁ ,α ₁ ) for the first disk, take the center of the second disk as the center, take any length not exceeding the radius of the second disk as the radius, and the distance The detection device runs a circular trajectory, and records the corresponding relationship f ₂ (d ₂ ,α ₂ ) between the distance and the angle on the second disk, with the center of the third disk as the center, and any length not exceeding the radius of the third disk is the radius, the distance detection device runs a circular trajectory, and records the corresponding relationship between distance and angle f ₃ (d ₃ ,α ₃ ) for the third disk;

Step c. Calculate the derivative of f ₁ (d ₁ ,α ₁ ). Under the angle where the absolute value of the derivative is greater than the threshold value, it is the step change position; in the step change position, the derivative is less than 0 as the ascending step, and the derivative is greater than 0 as the Descending the steps; according to the changing position of the steps and the changing law of the lifting steps, determine the changing law of the steps in the first disc with the angle;

Step d. Calculate the derivative of f ₂ (d ₂ , α ₂ ). Under the angle at which the absolute value of the derivative is greater than the threshold value, it is the step change position; in the step change position, the derivative is less than 0 as the ascending step, and the derivative is greater than 0 as the Step down; according to the changing position of the step and the changing law of the lifting step, determine the changing law of the step in the second disc with the angle;

Step e, calculate the derivative of f ₃ (d ₃ , α ₃ ), at the angle where the absolute value of the derivative is greater than the threshold value, it is the step change position; in the step change position, the derivative is less than 0 as the ascending step, and the derivative is greater than 0 as the Descending the steps; according to the changing position of the steps and the changing law of the ascending and descending steps, determine the changing law of the starting line and the position line with the angle in the third disc;

Step c, step d and step e are executed synchronously or sequentially in any order;

Step f. Find the intersection line corresponding to the maximum central angle step period and the minimum central angle step period in the first disk, define this position as the starting position, and re-plan the variation law of the steps in the first disk with angle f ₁ (d ₁ ,β);

Step g, find the intersection line corresponding to the maximum central angle step period and the minimum central angle step period in the second disk, define this position as the starting position, and re-plan the variation law of the steps in the second disk with angle f ₂ (d ₂ ,β);

Step h, find the starting line in the third disk, define the position of the starting line as the starting position, and re-plan the change law f ₃ (d ₃ ,β) of the position line in the third disk with angle;

Step f, step g and step h are executed synchronously or sequentially in any order;

Step i, based on the principle that the angles of f ₁ (d ₁ , β), f ₂ (d ₂ , β) and f ₃ (d ₃ , β) are equal, determine the steps in the first disc, the steps in the second disc and The corresponding relationship of the position lines in the third disk;

Step j, identifying hidden information according to the corresponding relationship between the steps in the first disk, the steps in the second disk, and the position lines in the third disk.

Specific embodiment three

This embodiment is an embodiment of an information decoding method based on a circumferentially arranged step array.

The information decoding method based on the circumferentially arranged stepped array of this embodiment, on the basis of the second embodiment, further defines that step j includes the following steps:

Step j1, encoding the steps in the first disk, the encoding includes a period code and a step code;

Step j2, encoding the step in the second disk, the encoding includes a large period code, a small period code and a small step code;

Step j3, encoding the position line in the third disc, the encoding including the position code;

Step j1, step j2 and step j3 are executed synchronously or sequentially in any order;

The position code, the cycle code are consistent with the large cycle code, and the step code is consistent with the small cycle code;

Step j4. Based on the principle that the position code, period code and the large period code are consistent, and the step code is consistent with the small period code, the first disc, the second disc and the third disc are integrated and encoded to obtain the period code and the step code and small step codes;

Step j5, based on the period code, step code and small step code, find the information in the information table.

Specific embodiment four

This embodiment is an embodiment of an information decoding method based on a circumferentially arranged step array.

The information decoding method based on the circumferentially arranged step array of this embodiment, taking the first disc, the second disc and the third disc in Fig. 2 as examples, explains the specific steps of the method, including the following steps:

Step a, tearing off the outer layer of the sponge to expose the inner layer of the code;

Step b. Under the condition that the plane where the distance detection device is located is parallel to the plane where the inner layer of the code is located, take the center of the first disk as the center and take any length not exceeding the radius of the first disk as the radius, and run the distance detection device for one Circular trajectory, record the corresponding relationship between distance and angle f ₁ (d ₁ ,α ₁ ) for the first disk, take the center of the second disk as the center, take any length not exceeding the radius of the second disk as the radius, and the distance The detection device runs a circular trajectory, and records the corresponding relationship f ₂ (d ₂ ,α ₂ ) between the distance and the angle on the second disk, with the center of the third disk as the center, and any length not exceeding the radius of the third disk is the radius, the distance detection device runs a circular trajectory, and records the corresponding relationship between distance and angle f ₃ (d ₃ ,α ₃ ) for the third disc;

For the first disc, the detected results are shown in the table below:

angle distance 0～60 Far 60～120 close 120～240 Far 240～360 close

For the second disc, the detected results are shown in the table below:

angle distance 0～30 Far 30～60 close 60～90 Far 90～120 close 120～180 Far 180～240 close 240～300 Far 300～360 close

For the third disc, the detected results are shown in the table below:

angle distance 0 close 15 close 150 close other Far

Step c. Calculate the derivative of f ₁ (d ₁ ,α ₁ ). Under the angle where the absolute value of the derivative is greater than the threshold value, it is the step change position; in the step change position, the derivative is less than 0 as the ascending step, and the derivative is greater than 0 as the Descending the steps; according to the changing position of the steps and the changing law of the lifting steps, determine the changing law of the steps in the first disc with the angle;

Step d. Calculate the derivative of f ₂ (d ₂ , α ₂ ). Under the angle at which the absolute value of the derivative is greater than the threshold value, it is the step change position; in the step change position, the derivative is less than 0 as the ascending step, and the derivative is greater than 0 as the Descending the steps; according to the changing position of the steps and the changing law of the lifting steps, determine the changing law of the steps in the first disc with the angle;

Step e, calculate the derivative of f ₃ (d ₃ , α ₃ ), at the angle where the absolute value of the derivative is greater than the threshold value, it is the step change position; in the step change position, the derivative is less than 0 as the ascending step, and the derivative is greater than 0 as the Descending the steps; according to the changing position of the steps and the changing rules of the lifting steps, determine the changing rules of the starting line and the position line with the angle in the first disc;

The change law of the step with the angle obtained in step c, step d and step e is shown in the following table:

For the first disc, the detected results are shown in the table below:

angle distance 0～60 Low 60～120 high 120～240 Low 240～360 high

For the second disc, the detected results are shown in the table below:

angle distance 0～30 Low 30～60 high 60～90 Low 90～120 high 120～180 Low 180～240 high 240～300 Low 300～360 high

For the third disc, the detected results are shown in the table below:

Step c, step d and step e are executed synchronously or sequentially in any order;

Step f. Find the intersection line corresponding to the maximum central angle step period and the minimum central angle step period in the first disk, define this position as the starting position, and re-plan the variation law of the steps in the first disk with angle f ₁ (d ₁ ,β);

Step g, find the intersection line corresponding to the maximum central angle step period and the minimum central angle step period in the second disk, define this position as the starting position, and re-plan the variation law of the steps in the second disk with angle f ₂ (d ₂ ,β);

Step h, find the starting line in the third disk, define the position of the starting line as the starting position, and re-plan the change law f ₃ (d ₃ ,β) of the position line in the third disk with angle;

In this embodiment, since the first disk has only two periods, there are two intersection lines corresponding to the maximum central angle step period and the minimum central angle step period. According to the counterclockwise rotation, the previous intersection line is the one you want to find. Since the intersection lines of the first disk, the second disk and the third disk are all at 0 degrees, the result after re-planning is the same as before planning;

Step f, step g and step h are executed synchronously or sequentially in any order;

Step i, based on the principle that the angles of f ₁ (d ₁ , β), f ₂ (d ₂ , β) and f ₃ (d ₃ , β) are equal, determine the steps in the first disc, the steps in the second disc and The corresponding relationship of the position lines in the third disk;

The resulting correspondence is that the first position line corresponds to the low in the first disc and the low in the second disc, and the second position line corresponds to the low in the first disc and the low in the second disc;

Step j, identifying hidden information according to the corresponding relationship between the steps in the first disk, the steps in the second disk, and the position lines in the third disk.

The first position line is the province identification, and the corresponding relationship between the steps in the first disc, the steps in the second disc and provinces is shown in the following table:

first disc second disk province Low Low Province A Low high Province B high Low Province C high high Province D

According to the corresponding relationship in the table, it can be known that the first position line corresponds to the low point in the first disk and the low point in the second disk, corresponding to province A;

The second position line is the city logo. On the premise that the first position line corresponds to province A, the corresponding relationship between the steps in the first disc, the steps in the second disc and the city is shown in the following table:

first disc second disk province Low Low City A Low high City B high Low City C high high City D

According to the corresponding relationship in the table, it can be known that the first position line corresponds to the low in the first disk and the low in the second disk, corresponding to City A;

By analogy, any information can be determined.

Even if it is personal name information, the pronunciation of the name can be determined through the initials, finals, and tones, and then which word it is based on the ranking in the pronunciation.

It should also be noted that the starting line and the position line in the third disk can be distinguished by setting different line shapes and/or line widths.

Claims (1)

1. The inner layer device of information coding is characterized in that the surface is provided with a first disk, a second disk and a third disk; the first disk, the second disk and the third disk are hidden in the code layers to ensure information security; The first disk includes n step periods in which the central angles form an arithmetic sequence in the circumferential direction, the height of the steps in each step period changes monotonically, the central angles corresponding to the steps in the same step period are equal, and the i-th step There are p _i fan-shaped steps in the cycle; The second disk includes p _i step periods in the circumferential direction, the height of the steps in each step period changes monotonically, the central angles corresponding to the steps in the same step period are equal, and the central angle corresponding to the jth step period It is equal to the central angle corresponding to the jth step in the first disk, and there are q _i fan-shaped steps in the jth step cycle; The third disk includes 1 starting line and n position lines in the circumferential direction, the 1 starting line and n position lines are located at the radius position, the cross-sectional figure is a triangle, and the starting line corresponds to the first circle The intersecting line corresponding to the maximum central angle step cycle and the minimum central angle step cycle in the disk, each position line corresponds to a step cycle in the first disk; Under the condition that the plane where the running track of the distance detection device is located is parallel to the plane where the inner layer of the code is located, with the center of the first disk as the center and any length not exceeding the radius of the first disk as the radius, the distance detection device runs a circular trajectory , record the corresponding relationship between distance and angle f ₁ (d ₁ ,α ₁ ) for the first disk, take the center of the second disk as the center, and take any length not exceeding the radius of the second disk as the radius, and the distance detection device operates A circular trajectory, record the corresponding relationship f ₂ (d ₂ ,α ₂ ) between the distance and the angle for the second disk, take the center of the third disk as the center, and take any length not exceeding the radius of the second disk as the radius, The distance detection device runs a circular trajectory, and records the corresponding relationship between distance and angle f ₃ (d ₃ ,α ₃ ) for the third disc; Calculate the derivative of f ₁ (d ₁ ,α ₁ ), and when the absolute value of the derivative is greater than the threshold, it is the step change position; in the step change position, the derivative is less than 0 for the ascending step, and the derivative is greater than 0 for the descending step; According to the changing position of the step and the changing rule of the lifting step, the changing rule of the step in the first disc with angle is determined; Calculate the derivative of f ₂ (d ₂ ,α ₂ ), and when the absolute value of the derivative is greater than the threshold, it is the step change position; in the step change position, the derivative is less than 0 for the ascending step, and the derivative is greater than 0 for the descending step; According to the changing position of the step and the changing rule of the lifting step, the changing rule of the step in the second disk with angle is determined; Calculate the derivative of f ₃ (d ₃ , α ₃ ), and when the absolute value of the derivative is greater than the threshold, it is the step change position; in the step change position, the derivative is less than 0 for the ascending step, and the derivative is greater than 0 for the descending step; According to the change law of the step change position and the lifting step, determine the change law of the starting line and the position line with the angle in the third disc; Find the intersection line corresponding to the step period of the largest central angle and the step period of the smallest central angle in the first disk, define this position as the starting position, and re-plan the law of variation of steps with angles in the first disk f ₁ (d ₁ ,β); Find the intersection line corresponding to the step period of the largest central angle and the step period corresponding to the smallest central angle in the second disk, define this position as the starting position, and re-plan the variation law f ₂ (d ₂ ,β); Find the starting line in the third disk, define the position of the starting line as the starting position, and re-plan the change law of the position line in the third disk with angle f ₃ (d ₃ ,β); Based on the principle that the angles of f ₁ (d ₁ , β), f ₂ (d ₂ , β) and f ₃ (d ₃ , β) are equal, determine the steps in the first disc, the steps in the second disc and the third circle Correspondence between intraday position lines; Hidden information is identified according to the corresponding relationship between the steps in the first disc, the steps in the second disc, and the position lines in the third disc.

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