CN215727731U - JPEG image steganography rapid detection system - Google Patents
JPEG image steganography rapid detection system Download PDFInfo
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- CN215727731U CN215727731U CN202121643880.6U CN202121643880U CN215727731U CN 215727731 U CN215727731 U CN 215727731U CN 202121643880 U CN202121643880 U CN 202121643880U CN 215727731 U CN215727731 U CN 215727731U
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
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- 238000013508 migration Methods 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 1
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Abstract
The utility model belongs to the technical field of information safety, in particular to a JPEG image steganography rapid detection system, which aims at the problem that the conventional image steganography detection device is inconvenient to adjust the height. The height-adjustable device is simple in structure, reasonable in design and convenient to operate, the height of the detection device can be quickly adjusted, and the position of the detection device is stably fixed, so that the device is convenient for people with different heights to use, and the flexibility is improved.
Description
Technical Field
The utility model relates to the technical field of information security, in particular to a JPEG image steganography rapid detection system.
Background
The information hiding of the image mainly comprises the steps of replacing or modifying partial data of the image, such as pixel values and the like, embedding secret information into a secret-carrying image on the premise of not influencing the visual effect of the image, wherein the information hiding of the image mainly utilizes the visual redundancy of human eyes. And redundancy of image space domain and frequency domain provides opportunity for lawless persons. The image is used as a carrier, secret information is embedded in a space domain or a frequency domain and used for illegal transactions, inestimable loss is caused to governments, enterprises and even countries, steganography and steganography detection become important research directions in the field of information security, and a large number of detection algorithms are provided aiming at space domain steganography or frequency domain steganography until now.
Patent publication No. CN110930287A discloses an image steganography detection method, an apparatus, a computer device, and a storage medium, wherein the method comprises: receiving a target image file to be detected, and analyzing the image type of the target image file; acquiring the number of image channels of the target image file according to the image type of the target image file; and respectively extracting the co-occurrence matrixes of the target image file in a space domain and a frequency domain according to the number of image channels of the target image file. However, the existing image steganography detection device is fixed in height, cannot be suitable for the operation of people with different heights, and is poor in flexibility.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a JPEG image steganography rapid detection system.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a JPEG image steganography rapid detection system comprises a detection device and an adjusting box arranged below the detection device, wherein a supporting plate is fixedly arranged at the bottom of the detection device, the centers of the supporting plate, the adjusting box and the detection device are positioned on the same vertical line, a round hole is formed in one side of the adjusting box, a worm is rotatably arranged in the round hole, one end of the worm extends into the adjusting box and is rotatably arranged on the inner wall of one side of the adjusting box, the other end of the worm extends out of the adjusting box, a rotating block is fixedly arranged on one side of the adjusting box, threads at two ends of the worm are arranged in opposite directions, a square hole is formed in one side of the rotating block, a lock rod is slidably arranged in the square hole, a pull block is fixedly arranged at one end of the lock rod, which is far away from the adjusting box, a plurality of locking grooves are uniformly formed in the side wall of the rotating block at equal intervals, the locking grooves are matched with the lock rod, sliding grooves are formed in the inner walls of two sides of the adjusting box, sliding blocks are both slidably arranged in the two sliding grooves, the two sliding blocks are fixedly mounted on one sides close to each other, and toothed plates are fixedly mounted at the bottoms of the sides close to each other.
Preferably, a spring is fixedly installed between the rotating block and the pulling block, and the spring is movably sleeved on the lock rod.
Preferably, the top ends of the two moving plates extend to the upper part of the adjusting box and are fixedly arranged at the bottom of the supporting plate.
Preferably, two rotating shafts are rotatably arranged between the inner walls of the two sides of the adjusting box, the rotating shafts are positioned above the worm, and the rotating shafts are perpendicular to the worm.
Preferably, the two rotating shafts are fixedly sleeved with gears, and the two gears are respectively meshed with the two toothed plates.
Preferably, worm wheels are fixedly sleeved on the two rotating shafts, and the two worm wheels are meshed with the worm.
In the JPEG image steganography rapid detection system, when the JPEG image steganography rapid detection system is used, the pull block is pulled rightwards, the lock rod fixedly connected with the pull block can be driven to move rightwards, the spring is stretched, when the lock rod is moved out of the locking groove, the locking of the rotating block is released, the rotating block is rotated, the worm fixedly connected with the rotating block can be driven to rotate, the two worm wheels can be driven to rotate as the two worm wheels are meshed with the worm, the two worm wheels are reversely rotated as the threads at the two ends of the worm are oppositely arranged, the two worm wheels are respectively fixedly sleeved on the two rotating shafts, the two rotating shafts can be reversely rotated, the gears are fixedly sleeved on the rotating shafts, the two gears can be driven to reversely rotate, only vertical movement can be realized due to the arrangement of the sliding grooves and the sliding blocks, the two gears are respectively meshed with the two toothed plate moving plates, and the two toothed plates can be driven to synchronously and vertically move, because of pinion rack fixed mounting is on the movable plate, so can drive two movable plate vertical migration, because of the movable plate, the fixed connection relation between backup pad and the detection device, so can drive detection device vertical migration, when detection device moved suitable position, the stall rotatory piece, then loosen and draw the piece, because of the elastic restoring force of spring, the pulling draws the piece to remove left, thereby drive the locking lever and remove left, make the locking lever insert the locking inslot, thereby lock the rotation block, fix detection device at current position. The height-adjustable device is simple in structure, reasonable in design and convenient to operate, the height of the detection device can be quickly adjusted, and the position of the detection device is stably fixed, so that the device is convenient for people with different heights to use, and the flexibility is improved.
Drawings
FIG. 1 is a schematic structural diagram of a JPEG image steganography rapid detection system provided by the present invention;
FIG. 2 is a top view of the partial structure of FIG. 1 of the JPEG image steganography rapid detection system in accordance with the present invention;
fig. 3 is a schematic structural diagram of a portion a in fig. 2 of the JPEG image steganography rapid detection system provided by the present invention.
In the figure: the device comprises a detection device 1, an adjusting box 2, a supporting plate 3, a round hole 4, a worm 5, a rotating block 6, a square hole 7, a locking rod 8, a pulling block 9, a spring 10, a locking groove 11, a sliding groove 12, a sliding block 13, a moving plate 14, a toothed plate 15, a rotating shaft 16, a gear 17 and a worm wheel 18.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-3, the JPEG image steganography rapid detection system comprises a detection device 1 and an adjusting box 2 arranged below the detection device 1, wherein a supporting plate 3 is fixedly arranged at the bottom of the detection device 1, the centers of the supporting plate 3, the adjusting box 2 and the detection device 1 are positioned on the same vertical line, a round hole 4 is formed in one side of the adjusting box 2, a worm 5 is rotatably arranged in the round hole 4, one end of the worm 5 extends into the adjusting box 2 and is rotatably arranged on the inner wall of one side of the adjusting box 2, the other end of the worm 5 extends out of the adjusting box 2 and is fixedly provided with a rotating block 6, the thread directions of two ends of the worm 5 are opposite, a square hole 7 is formed in one side of the rotating block 6, a lock rod 8 is slidably arranged in the square hole 7, a pull block 9 is fixedly arranged at one end of the lock rod 8 far away from the adjusting box 2, a plurality of locking grooves 11 are uniformly formed in the side wall of the rotating block 6 at equal intervals, and locking groove 11 and locking lever 8 looks adaptation, spout 12 has all been seted up to the both sides inner wall of regulating box 2, and equal slidable mounting has slider 13 in two spouts 12, and two sliders 13 equal fixed mounting in one side that is close to each other have a movable plate 14, and two movable plates 14 equal fixed mounting in one side bottom that is close to each other have a pinion rack 15, and pinion rack 15 removes, can drive movable plate 14 and remove.
In the utility model, a spring 10 is fixedly arranged between the rotating block 6 and the pulling block 9, the spring 10 is movably sleeved on the lock rod 8, and the elastic restoring force of the spring 10 can pull the pulling block 9 to move leftwards.
In the utility model, the top ends of the two moving plates 14 extend to the upper part of the adjusting box 2 and are fixedly arranged at the bottom of the supporting plate 3, and the moving plates 14 vertically move to drive the supporting plate 3 to move.
In the utility model, two rotating shafts 16 are rotatably arranged between the inner walls of the two sides of the adjusting box 2, the rotating shafts 16 are positioned above the worm 5, and the rotating shafts 16 are vertical to the worm 5.
In the utility model, the two rotating shafts 16 are fixedly sleeved with the gears 17, the two gears 17 are respectively meshed with the two toothed plates 15, and the rotating shafts 16 rotate to drive the gears 17 to rotate, so that the toothed plates 15 are driven to vertically move.
In the utility model, worm wheels 18 are fixedly sleeved on the two rotating shafts 16, the two worm wheels 18 are meshed with the worm 5, and the worm 5 rotates to drive the two worm wheels 18 to rotate, so that the two rotating shafts 16 are driven to rotate.
Example two
Referring to fig. 1-3, a JPEG image steganography rapid detection system comprises a detection device 1 and an adjusting box 2 arranged below the detection device 1, wherein a supporting plate 3 is fixedly welded at the bottom of the detection device 1, centers of the supporting plate 3, the adjusting box 2 and the detection device 1 are positioned on the same vertical line, a round hole 4 is chiseled at one side of the adjusting box 2, a worm 5 is rotatably installed in the round hole 4, one end of the worm 5 extends into the adjusting box 2 and is rotatably installed on the inner wall of one side of the adjusting box 2, the other end of the worm 5 extends out of the adjusting box 2, a rotating block 6 is fixedly welded at one end of the worm 5, threads at two ends of the worm 5 are arranged in opposite directions, a square hole 7 is chiseled at one side of the rotating block 6, a lock rod 8 is slidably installed in the square hole 7, a pull block 9 is fixedly welded at one end of the lock rod 8 far away from the adjusting box 2, a plurality of locking grooves 11 are uniformly chiseled at the side wall of the rotating block 6, and locking groove 11 and locking lever 8 looks adaptation, the both sides inner wall of regulating box 2 has all dug spout 12, and equal slidable mounting has slider 13 in two spouts 12, and the equal fixed welding in one side that two sliders 13 are close to each other has movable plate 14, and the equal fixed welding in one side bottom that two movable plates 14 are close to each other has pinion rack 15.
In the utility model, a spring 10 is fixedly welded between the rotating block 6 and the pulling block 9, and the spring 10 is movably sleeved on the lock rod 8.
In the utility model, the top ends of the two moving plates 14 extend to the upper part of the adjusting box 2 and are fixedly welded at the bottom of the supporting plate 3.
In the utility model, two rotating shafts 16 are rotatably arranged between the inner walls of the two sides of the adjusting box 2, the rotating shafts 16 are positioned above the worm 5, and the rotating shafts 16 are vertical to the worm 5.
In the utility model, the two rotating shafts 16 are fixedly sleeved with the gears 17, and the two gears 17 are respectively meshed with the two toothed plates 15.
In the utility model, worm wheels 18 are fixedly sleeved on the two rotating shafts 16, and the two worm wheels 18 are meshed with the worm 5.
In the utility model, when in use, the pull block 9 is pulled rightwards, the lock rod 8 fixedly connected with the pull block 9 can be driven to move rightwards, the spring 10 is stretched, when the lock rod 8 is moved out of the locking groove 11, the locking of the rotating block 6 is released, the rotating block 6 is rotated, the worm 5 fixedly connected with the rotating block 6 can be driven to rotate, the two worm wheels 18 can be driven to rotate as the two worm wheels 18 are meshed with the worm 5, the two worm wheels 18 can rotate reversely as the thread directions of the two ends of the worm 5 are arranged oppositely, the two worm wheels 18 can rotate reversely, the two worm wheels 18 are fixedly sleeved on the two rotating shafts 16 respectively, the two rotating shafts 16 can rotate reversely, the gear 17 is fixedly sleeved on the rotating shaft 16, the two gear 17 can be driven to rotate reversely, the moving plate 14 can only move vertically due to the arrangement of the chute 12 and the sliding block 13, and the two gear 17 are meshed with the two toothed plates 15 respectively, so can drive two synchronous vertical migration of pinion rack 15, because of pinion rack 15 fixed mounting on movable plate 14, so can drive two movable plate 14 vertical migration, because of movable plate 14, the fixed connection relation between backup pad 3 and the detection device 1, so can drive detection device 1 vertical migration, when detection device 1 moves to suitable position, stop rotating rotatory piece 6, then loosen and draw piece 9, because of the elastic restoring force of spring 10, draw piece 9 and remove left, thereby drive locking lever 8 and remove left, make locking lever 8 insert locking inslot 11, thereby lock rotatory piece 6, fix detection device 1 at current position. The height-adjustable device is simple in structure, reasonable in design and convenient to operate, the height of the detection device can be quickly adjusted, and the position of the detection device is stably fixed, so that the device is convenient for people with different heights to use, and the flexibility is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
- The JPEG image steganography rapid detection system comprises a detection device (1) and an adjusting box (2) arranged below the detection device (1), and is characterized in that a supporting plate (3) is fixedly arranged at the bottom of the detection device (1), the centers of the supporting plate (3), the adjusting box (2) and the detection device (1) are located on the same vertical line, a round hole (4) is formed in one side of the adjusting box (2), a worm (5) is rotatably arranged in the round hole (4), one end of the worm (5) extends into the adjusting box (2), the worm is rotatably arranged on the inner wall of one side of the adjusting box (2), the other end of the worm (5) extends out of the adjusting box (2), a rotating block (6) is fixedly arranged, the thread directions of the two ends of the worm (5) are opposite, a square hole (7) is formed in one side of the rotating block (6), a lock rod (8) is slidably arranged in the square hole (7), one end fixed mounting that regulating box (2) was kept away from in locking lever (8) draws piece (9), a plurality of locking grooves (11) have evenly been seted up to the lateral wall equidistance of rotatory piece (6), and locking groove (11) and locking lever (8) looks adaptation, spout (12) have all been seted up to the both sides inner wall of regulating box (2), equal slidable mounting has slider (13) in two spout (12), the equal fixed mounting in one side that two slider (13) are close to each other has movable plate (14), the equal fixed mounting in one side bottom that two movable plates (14) are close to each other has pinion rack (15).
- 2. The JPEG image steganography rapid detection system according to claim 1, wherein a spring (10) is fixedly arranged between the rotating block (6) and the pulling block (9), and the spring (10) is movably sleeved on the locking rod (8).
- 3. A JPEG image steganography rapid detection system according to claim 1, characterized in that the top ends of the two moving plates (14) extend to the upper side of the adjusting box (2) and are fixedly arranged at the bottom of the supporting plate (3).
- 4. A JPEG image steganography rapid detection system according to claim 1, characterized in that two rotating shafts (16) are rotatably installed between the two side inner walls of the adjusting box (2), the rotating shafts (16) are positioned above the worm (5), and the rotating shafts (16) are arranged perpendicular to the worm (5).
- 5. A JPEG image steganography rapid detection system according to claim 4, characterized in that gears (17) are fixedly sleeved on the two rotating shafts (16), and the two gears (17) are respectively meshed with the two toothed plates (15).
- 6. A JPEG image steganography rapid detection system according to claim 4, characterized in that worm wheels (18) are fixedly sleeved on the two rotating shafts (16), and the two worm wheels (18) are meshed with the worm (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121643880.6U CN215727731U (en) | 2021-07-20 | 2021-07-20 | JPEG image steganography rapid detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121643880.6U CN215727731U (en) | 2021-07-20 | 2021-07-20 | JPEG image steganography rapid detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215727731U true CN215727731U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121643880.6U Expired - Fee Related CN215727731U (en) | 2021-07-20 | 2021-07-20 | JPEG image steganography rapid detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215727731U (en) |
-
2021
- 2021-07-20 CN CN202121643880.6U patent/CN215727731U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |