CN116760935B - Data fence system based on image data transmission - Google Patents
Data fence system based on image data transmission Download PDFInfo
- Publication number
- CN116760935B CN116760935B CN202311048103.0A CN202311048103A CN116760935B CN 116760935 B CN116760935 B CN 116760935B CN 202311048103 A CN202311048103 A CN 202311048103A CN 116760935 B CN116760935 B CN 116760935B
- Authority
- CN
- China
- Prior art keywords
- data
- module
- transmission
- central control
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 213
- 238000012545 processing Methods 0.000 claims abstract description 51
- 238000012795 verification Methods 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims description 49
- 230000006835 compression Effects 0.000 claims description 48
- 230000000875 corresponding effect Effects 0.000 claims description 48
- 238000012937 correction Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 12
- 230000002596 correlated effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/44—Secrecy systems
- H04N1/448—Rendering the image unintelligible, e.g. scrambling
- H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The invention relates to the technical field of image data transmission, in particular to a data fence system based on image data transmission, which comprises: the system comprises an image acquisition module, a processing module, an encryption module, a conveying module, a decryption module, a verification module and a central control module. The invention determines the reason of disqualification of data transmission of the transmission module when the received decrypted image information is verified, and adjusts the reason to the corresponding value according to the parameter corresponding to the reason, thereby effectively ensuring the integrity of the image obtained by decrypting the transmitted data.
Description
Technical Field
The invention relates to the technical field of image data transmission, in particular to a data fence system based on image data transmission.
Background
Image processing refers to the removal of noise, enhancement, restoration, segmentation, feature extraction, etc. of an image by a computer device. Image processing may be the transformation, encoding and compression of image data to facilitate storage and transmission of images. Image processing can be applied to computer vision, image transmission and the like, and data transmission and image processing are important research subjects in the current communication field. When an image is transmitted from one computer device to another computer device, the transmission is performed in a plurality of ways, such as wired transmission, wireless transmission, etc., and the image can be directly acquired by a camera of the computer device. However, when the camera of the computer device is used for image transmission, the difference between the actually acquired image and the original image is often far, if the image close to the original image is to be obtained, the angle of the image acquisition device and the distance between the image acquisition device and the object to be acquired are required to be high in the image acquisition stage, and meanwhile, the acquired image information is required to be preprocessed efficiently and the data is required to be transmitted in a lossless manner.
Chinese patent application publication No.: CN108805837a discloses a method and a system for transmitting dynamic target efficient tracking image information, the method comprises the steps of collecting video data, framing a target, identifying a foreground extraction target, determining adjustment parameters, simplifying and compressing the video, etc.; the system comprises a video acquisition module, a storage module, a dynamic target framing processing module, a foreground extraction module, a data modeling module, a pixel classification module, a dynamic target generation module, a position calibration module, an adjustment parameter generation module, a video data compression processing module and a communication module. It follows that the above solution has the following problems: although the quality of the image after the transmission is improved, a higher time length is consumed in the transmission process, so that the transmission efficiency of the image information cannot be effectively improved, and meanwhile, in order to reduce the data transmission time length in the scheme, the situation that the transmitted data is damaged or missing occurs, so that the high-precision transmission of the image information cannot be ensured, and meanwhile, the transmission efficiency of the image information cannot be effectively improved.
Disclosure of Invention
Therefore, the invention provides a data fence system based on image data transmission, which is used for solving the problem that the transmission efficiency of image information cannot be effectively improved while ensuring high-precision transmission of the image information in the prior art.
To achieve the above object, the present invention provides a data fencing system based on image data transmission, comprising:
the image acquisition module is used for acquiring image information to be transmitted;
the processing module is connected with the image acquisition module and used for receiving the image information transmitted by the image acquisition module and converting the image information into corresponding electronic data, and compressing the converted electronic data by using a corresponding compression rate to generate compressed data;
the encryption module is connected with the processing module and used for receiving the compressed data transmitted by the processing module and carrying out encryption processing on the compressed data to generate encrypted data;
the transmission module is connected with the encryption module and is used for dividing the encrypted data encrypted by the encryption module into data packets with corresponding quantity and sequentially transmitting the data packets to corresponding components;
the decryption module is connected with the conveying module and used for sequentially receiving the data packets conveyed by the conveying module, converting the data packets into electronic data and decrypting the electronic data to generate decrypted data;
The verification module is connected with the decryption module and used for converting the decryption data transmitted by the decryption module into corresponding decryption image information and verifying the integrity of the decryption image information;
the central control module is respectively connected with the processing module, the encryption module and the verification module and is used for judging whether the data transmission of the transmission module accords with the standard according to the integrity of the decrypted image information verified by the verification module, judging whether the processing module is controlled to adjust the compression ratio of electronic data according to the transmission time length of encrypted data when judging that the data transmission of the transmission module accords with the standard, and carrying out secondary judgment on whether the data transmission of the transmission module accords with the preset standard according to the ratio of the average interval quantity of the data packets to the total quantity of the data packets when primarily judging that the data transmission of the transmission module does not accord with the standard, and adjusting corresponding parameters in the encryption module to corresponding values according to the ratio of the average interval quantity of the data packets to the total quantity of the data packets when secondarily judging that the data transmission of the transmission module does not accord with the preset standard, wherein the average interval quantity of the data packets is equal to the average value of the quantity of the data packets existing between two adjacent data packets with incomplete data in the data packet transmission sequence, or determining the reason of the data transmission failure module according to the data transmission failure standard of the decrypted image information when judging that the data transmission of the data transmission module does not accord with the standard.
Further, for the decrypted image information converted by the decryption module, if the verification module determines that the integrity of the decrypted image information is lower than a preset standard, the central control module performs a secondary determination on whether the data transmission of the transmission module meets the preset standard according to the distribution condition of the data packet in the transmission process of incomplete data in the decrypted image information, or determines that the reason that the data transmission of the transmission module does not meet the preset standard is the transmission module or the problem of the operation parameters in the processing module according to the definition of the decrypted image.
Further, the central control module corrects the compression ratio of the processing module to the electronic data based on the transmission time length of the encrypted data under a first preset condition, the central control module is provided with a plurality of correction modes aiming at the compression ratio, and the compression ratio corrected by using each correction mode is positively correlated with the transmission time length; the first preset condition is that the verification module is satisfied, and the integrity of the decrypted image information is judged to be greater than or equal to a preset standard.
Further, the central control module carries out secondary judgment on whether the data transmission of the transmission module accords with a preset standard according to the ratio of the average interval quantity of the data packets to the total quantity of the data packets, and the secondary judgment is carried out when the ratio is larger than or equal to the preset continuous disqualified duty ratio preset in the central control module, wherein the average interval quantity of the data packets is the average value of the quantity of the data packets existing between two adjacent data packets with incomplete data in the data packet transmission sequence.
Further, the central control module adjusts the length of a key used when the encryption module encrypts the compressed data again based on the ratio of the average interval quantity of the data packets to the total quantity of the data packets under a second preset condition, and the central control module is provided with a plurality of key length adjusting modes which are different from each other and are used for adjusting the key length; and the second preset condition is that the central control module secondarily judges that the data transmission of the transmission module does not accord with a preset standard.
Further, the central control module controls the transmission module to retransmit the encrypted data under a third preset condition, and before retransmitting the encrypted data,
if the transmission speed of the transmission module for the encrypted data is lower than the preset transmission standard, the transmission module is controlled to redefine the number of the data packets according to the definition of the decrypted image information,
or if the reason is that the compression ratio of the processing module for the electronic data is higher than a preset standard, readjusting the compression ratio of the processing module for the electronic data according to the definition of the decrypted image information;
and the third preset condition is that the central control module completes the determination of the reason why the data transmission of the transmission module does not meet the preset standard.
Further, the central control module is provided with a plurality of adjustment modes aiming at the quantity of the data packets divided by the conveying module in the re-conveying process based on the definition of the decrypted image information, and the quantity of the data packets adjusted by each adjustment mode is different.
Further, the central control module is provided with a plurality of adjustment modes for the compression multiplying power of the electronic data by the processing module in the re-conveying process based on the definition of the decrypted image information, and the number of the data packets adjusted by the adjustment modes is different.
Further, the central control module judges whether to control the encryption module to adjust the length of a key for encrypting the compressed data according to the number of the data packets under a fourth preset condition; and the fourth preset condition is that the conveying module judges that the number of the data packets needs to be divided again.
Further, the central control module judges whether to control the conveying module to re-divide the number of data packets according to the corrected definition of the decrypted image under a fifth preset condition; the fifth preset condition is that the central control unit controls the conveying module to finish adjusting the compression multiplying power in the conveying unit in a first judging mode.
Compared with the prior art, the method has the beneficial effects that the integrity of the received decrypted image information is verified, the reason for the failure in data transmission of the transmission module is determined when the integrity is judged to be failed, and the data is adjusted to the corresponding value according to the parameter corresponding to the reason, so that the integrity of the image obtained by decrypting the transmitted data can be effectively ensured.
Further, when the verification module judges that the integrity of the decrypted image information is lower than the preset standard, the central control module can carry out secondary judgment on whether the data transmission of the transmission module meets the preset standard or not or determine the reason that the data transmission of the transmission module does not meet the preset standard, and by carrying out secondary judgment on whether the data transmission of the transmission module meets the preset standard or not, the accurate judgment on the integrity of the decrypted image can be effectively completed, and the transmission efficiency of the system for the image information is further improved while the integrity of the system for the transmission of the image information is effectively improved.
Furthermore, the central control module is provided with a plurality of correction modes aiming at the compression multiplying power, and the compression multiplying power corrected by each correction mode is positively correlated with the transmission time length.
Further, the central control module carries out secondary judgment on whether the data transmission of the transmission module accords with a preset standard according to the ratio of the average interval quantity of the data packets to the total quantity of the data packets.
Further, the central control module adjusts the length of a key used when the encryption module encrypts the compressed data again based on the ratio of the average interval quantity of the data packets to the total quantity of the data packets, and by detecting the distribution condition of the missing data in the data transmission process, the cause of data missing or damage generated in the data transmission process of the data packets can be effectively determined, and the length of the key used for encrypting the compressed data is adjusted in a targeted manner when the cause is determined to be a network security problem, so that the security coefficient of the system in the data transmission process can be effectively improved.
Further, the central control module can pertinently adjust the dividing number of the data packets or the compression multiplying power of the electronic data according to the determined reasons when the encrypted data is re-conveyed, and the problem generated in the data packet conveying process of the system can be pertinently solved by selecting the corresponding processing mode according to the determined reasons, so that the stability of the data packet conveying process is ensured, the integrity of the system for conveying the image information is further improved, and the efficiency of the system for conveying the image information is further improved.
Furthermore, the central control module is provided with a plurality of adjustment modes for the number of the data packets divided by the transmission module in the retransmission process based on the definition of the decrypted image information, and the method and the device can finish the targeted adjustment of the number of the data packets through the definition of the decrypted image under the corresponding conditions, so that the condition that the data packets are damaged or missing due to overlarge internal memory of the data packets in the transmission process can be effectively avoided, and the transmission efficiency of the system for the image information is further improved while the integrity of the system for the transmission of the image information is further improved.
Furthermore, the central control module is provided with a plurality of adjustment modes for the compression multiplying power of the processing module for the electronic data in the re-conveying process based on the definition of the decrypted image information.
Further, when the data packets are re-divided, the central control module can readjust the length of the key used for encrypting the compressed data according to the number of the data packets after division, and the conveying time length of each data packet can be effectively reduced through the relative balance between the length of the key and the number of the data packets, so that the conveying efficiency of the system for conveying the image information is further improved, and meanwhile the integrity of conveying the image information is further improved.
Drawings
FIG. 1 is a block diagram of a data fencing system based on image data transmission according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method of determining a decision according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a correction method determination process according to an embodiment of the present invention;
fig. 4 is a flowchart of adjustment mode determination according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, a block diagram of a data fence system based on image data transmission according to an embodiment of the present invention includes:
the image acquisition module is used for acquiring image information to be transmitted;
the processing module is connected with the image acquisition module and used for receiving the image information transmitted by the image acquisition module and converting the image information into corresponding electronic data, and compressing the converted electronic data by using a corresponding compression rate to generate compressed data;
the encryption module is connected with the processing module and used for receiving the compressed data transmitted by the processing module and carrying out encryption processing on the compressed data to generate encrypted data;
The transmission module is connected with the encryption module and is used for dividing the encrypted data encrypted by the encryption module into data packets with corresponding quantity and sequentially transmitting the data packets to corresponding components;
the decryption module is connected with the conveying module and used for sequentially receiving the data packets conveyed by the conveying module, converting the data packets into electronic data and decrypting the electronic data to generate decrypted data;
the verification module is connected with the decryption module and used for converting the decryption data transmitted by the decryption module into corresponding decryption image information and verifying the integrity of the decryption image information;
the central control module is respectively connected with the processing module, the encryption module and the verification module and is used for judging whether the data transmission of the transmission module accords with the standard according to the integrity of the decrypted image information verified by the verification module, judging whether the processing module is controlled to adjust the compression ratio of electronic data according to the transmission time length of encrypted data when judging that the data transmission of the transmission module accords with the standard, and carrying out secondary judgment on whether the data transmission of the transmission module accords with the preset standard according to the ratio of the average interval quantity of the data packets to the total quantity of the data packets when primarily judging that the data transmission of the transmission module does not accord with the standard, and adjusting corresponding parameters in the encryption module to corresponding values according to the ratio of the average interval quantity of the data packets to the total quantity of the data packets when secondarily judging that the data transmission of the transmission module does not accord with the preset standard, wherein the average interval quantity of the data packets is equal to the average value of the quantity of the data packets existing between two adjacent data packets with incomplete data in the data packet transmission sequence, or determining the reason of the data transmission failure module according to the data transmission failure standard of the decrypted image information when judging that the data transmission of the data transmission module does not accord with the standard.
The invention determines the reason of the disqualification of the data transmission of the transmission module when the received decrypted image information is verified, and adjusts the corresponding parameters to the corresponding values according to the reason, so that the integrity of the image obtained by decrypting the transmitted data can be effectively ensured.
Referring to fig. 2, which is a decision-mode decision flowchart of an embodiment of the present invention, the central control module determines, according to the integrity S of the decrypted image information verified by the verification module, a decision mode for determining whether the encrypted data transmitted to the transmission module meets a preset standard, wherein:
the first judging mode is that the central control module judges that the data transmission of the transmission module meets a preset standard, and judges whether the compression ratio of the processing module to the electronic data is corrected to a corresponding value according to the total data transmission duration of each data packet of the transmission module; the first judgment mode needs to meet the condition that the integrity S is greater than or equal to a first-level preset integrity S1 preset in the central control module, and S1 is more than 95%;
The second judging mode is that the central control module judges that the data transmission of the transmission module does not meet the preset standard, and the central control module controls the verification module to mark the data packet corresponding to the incomplete data and judges whether the data transmission of the transmission module meets the preset standard or not according to the distribution condition of the marked data packet; the second judging mode needs to meet the condition that the integrity S is smaller than the primary preset integrity S1 and larger than or equal to the secondary preset integrity S2 preset in the central control module, and S2 is more than 80% < S1;
the third judging mode is that the central control module judges that the data transmission of the transmission module does not meet the preset standard, and the central control module determines the reason that the data transmission of the transmission module does not meet the preset standard according to the definition of the decrypted image information; the third determination mode needs to satisfy that the integrity S is smaller than the second-level preset integrity S2.
The central control module performs secondary judgment on whether the data transmission of the transmission module meets the preset standard or not or determines the reason that the data transmission of the transmission module does not meet the preset standard when the verification module judges that the integrity of the decrypted image information is lower than the preset standard, and the accurate judgment on the integrity of the decrypted image can be effectively completed by performing secondary judgment on whether the data transmission of the transmission module meets the preset standard, so that the transmission efficiency of the system for the image information is further improved while the integrity of the system for the transmission of the image information is effectively improved.
Referring to fig. 3, which is a flowchart of a correction method determination according to an embodiment of the present invention, the central control module determines a correction method for a compression ratio of the processing module to electronic data according to a total data transmission time T of the transmission module to each data packet under a first preset condition, where an initial compression ratio R satisfies 1 < R < 1.5:
the first correction mode is that the central control module corrects the compression multiplying power R of the processing module aiming at the electronic data to a corresponding value by using a first correction coefficient alpha 1, wherein 1 is more than 1 and less than 1.1, and the corrected compression multiplying power R1=Rxalpha 1 is set; the first correction mode meets the condition that the transmission time length T is smaller than a first-level preset transmission time length T1 preset in the central control module, and T1 is smaller than 10s;
the second correction mode is that the central control module uses a second correction coefficient alpha 2 to adjust the compression multiplying power R aiming at the electronic data in the processing module to a corresponding value, alpha 1 is smaller than alpha 2 and smaller than 1.3, and the corrected compression multiplying power R2=Rxalpha 2 is set; the second correction mode meets the requirements that the transmission time length T is greater than or equal to the primary preset transmission time length T1 and less than or equal to the secondary preset transmission time length T2 preset in the central control module, and T1 is more than or equal to T2 and less than 20s;
The third correction mode is that the central control module uses a third correction coefficient alpha 3 to adjust the compression multiplying power aiming at the electronic data in the processing module to a corresponding value, alpha 2 is smaller than alpha 3 and smaller than 1.5, and the corrected compression multiplying power R3=Rxalpha 3 is set; the third correction mode satisfies that the transmission duration T is longer than the second-level preset transmission duration T2.
The first preset condition is that the verification module judges that the integrity of the decrypted image information is larger than or equal to the first-level preset integrity.
The invention can prevent the situation of data damage caused by overhigh compression multiplying power while ensuring the conveying speed of the subsequent data packet by correspondingly adjusting the compression multiplying power according to the actual conveying time of the data packet, and effectively improves the conveying efficiency of the system for image information and the conveying integrity of the image information.
Specifically, the central control module counts the number of unlabeled data packets in the adjacent two labeled data packets in turn under the second judging mode to calculate the average interval amount Ma of the data packets between the adjacent two labeled data packets, marks the ratio of the average interval amount Ma of the data packets to the total number M0 of the data packets as a continuous disqualified duty ratio B, determines a secondary judging mode for judging whether the data transmission of the transmission module meets the preset standard according to the continuous disqualified duty ratio B, and provides two secondary judging modes in the embodiment,
The first secondary judgment mode is that the central control module judges that the data transmission of the transmission module meets the preset standard; the first secondary judgment mode needs to meet the condition that the continuous disqualification ratio B is smaller than a preset continuous disqualification ratio B0 preset in the central control module, and B0 is more than 0% and less than 20%;
the second secondary judgment mode is that the central control module judges that the safety problem exists in data transmission of the transmission module, and the central control module adjusts the corresponding parameters to the corresponding values according to the difference value between the continuous unqualified duty ratio B and the preset continuous unqualified duty ratio B0; the second secondary judgment mode needs to meet the condition that the continuous disqualification duty ratio B is larger than or equal to the continuous disqualification duty ratio B0 preset in the central control module.
The invention analyzes the actual condition of the data packet in the transmission process according to the distribution condition of the data packet with incomplete data among all the data packets, thereby effectively improving the judging precision of whether the data transmission of the transmission module meets the preset standard, and simultaneously further improving the transmission efficiency of the system for image information.
Referring to fig. 4, which is a flowchart illustrating an adjustment mode determination according to an embodiment of the present invention, the central control module records a difference between the continuous reject ratio B and the preset continuous reject ratio B0 as a reject ratio difference Δb under the second preset condition, and determines a length adjustment mode of a key of the encryption module for compressed data according to the reject ratio difference Δb, where an initial length L of the key is 128 bits in this embodiment:
the first length adjustment mode is that the central control module adjusts the length of a key of the encryption module aiming at compressed data to a corresponding value by using a first adjustment coefficient beta 1, 1 < beta 1 < 1.5, the central control module marks the length of the adjusted key as L1, and L1=Lxbeta 1 is set; the first length adjustment mode meets the condition that the disqualification duty ratio difference is smaller than a first-level preset disqualification duty ratio difference delta B1 preset in the central control module, and 0% <deltaB 1 is less than 13%;
the second length adjustment mode is that the central control module adjusts the length of the key encrypted in the encryption module to a corresponding value by using a second adjustment coefficient beta 2, beta 1 is less than beta 2 and less than 2, the central control module marks the length of the key after adjustment as L2, and L2=Lxbeta 2 is set; the second length adjustment mode meets the conditions that the disqualified duty ratio difference value is larger than or equal to the first-stage preset disqualified duty ratio difference value and smaller than or equal to a second-stage preset disqualified duty ratio difference value delta B2 preset in the central control module, and delta B1 < [ delta ] B2 < 15%;
The third length adjustment mode is that the central control module adjusts the length of the secret key encrypted in the encryption module to a corresponding value by using a third adjustment coefficient beta 3, beta 2 is smaller than beta 3 and smaller than 2.3, the central control module marks the length of the secret key after adjustment as L3, and L3=Lxbeta 3 is set; the third length adjustment mode meets the condition that the disqualified duty ratio difference is larger than the second-level preset disqualified duty ratio difference delta B2.
The second preset condition is that the central control module judges that the data transmission of the transmission module has a safety problem.
The central control module adjusts the length of a key used when the encryption module re-encrypts the compressed data based on the ratio of the average interval quantity of the data packets to the total quantity of the data packets, can effectively determine the reasons for data loss or damage generated in the data transmission process of the data packets by detecting the distribution condition of the lost data in the data transmission process, and can pertinently adjust the length of the key used for encrypting the compressed data when judging the reason is a network security problem, thereby effectively improving the security coefficient of the system in the data transmission process.
Specifically, the central control module determines, in the third determination mode, a reason determination mode in which the data transmission of the transmission module does not meet a preset standard according to the definition Q of the decrypted image information, where:
The first reason is that the central control module judges that the data transmission of the transmission module does not meet the preset standard is that the transmission speed of the transmission module for the encrypted data is lower than the preset standard, and the central control module controls the transmission module to re-transmit the encrypted data and re-divide the encrypted data into data packets with corresponding quantity according to the definition of the decrypted image information before transmission; the first reason judging mode meets the condition that the definition Q of the decrypted image information is larger than or equal to a preset definition Q0 preset in the central control module;
the second reason judging mode is that the central control module judges that the data transmission of the transmission module does not meet the preset standard because the compression ratio of the processing module to the electronic data is higher than the preset standard, and the central control module adjusts the compression ratio R of the processing module to the electronic data to a corresponding value according to the difference value between the preset definition Q0 and the definition Q0 of the decrypted image information; the second cause judgment means satisfies that the definition Q of the decrypted image information is smaller than the preset definition Q0.
And the central control module controls the transmission module to re-transmit the encrypted data when the data transmission of the transmission module is completed and the reason for not meeting the preset standard is determined, and controls the transmission module to re-determine the number of data packets according to the determined reason, or re-adjusts the compression ratio of the processing module to the electronic data.
The invention can pointedly solve the problem generated in the data packet conveying process by selecting a corresponding processing mode according to the determined reason, thereby ensuring the stability of the data packet conveying process, further improving the integrity of the system for conveying the image information and the conveying efficiency of the system for conveying the image information.
Specifically, the central control module marks a difference value between the definition Q of the decrypted image information and the preset definition Q0 as a first definition difference value Δqa in the first cause determination mode, and determines a quantity adjustment mode for the quantity of the data packets generated in the conveying module according to the first definition difference value Δqa, in this embodiment, the quantity of initial data packets is 100, where:
the first quantity adjusting mode is that the central control module adjusts the quantity of the data packets generated in the conveying module to a corresponding value by using a first quantity adjusting coefficient e1, wherein e1 is more than 1 and less than 1.5, the central control module marks the quantity of the adjusted data packets as M1, and M1=M0×e1 is set; the first quantity adjusting mode meets the condition that the first definition difference DeltaQa is larger than a first definition difference DeltaQa 1 of one level preset in the central control module;
The second number adjusting mode is that the central control module uses a second number adjusting coefficient e2 to adjust the number of the data packets generated in the conveying module to a corresponding value, wherein e2 is more than 1 and less than e1, the central control module marks the number of the adjusted data packets as M2, and M2=M0×e2 is set; the second quantity adjusting mode meets the condition that the first definition difference is smaller than or equal to the first-stage first definition difference delta Qa1 and larger than or equal to a second-stage first definition difference delta Qa2 preset in the central control module;
the third quantity adjusting mode is that the central control module adjusts the quantity of the data packets generated in the conveying module to a corresponding value by using a third quantity adjusting coefficient e3, wherein e3 is more than 1 and less than e2, the central control module marks the quantity of the adjusted data packets as M3, and M3=M0×e3 is set; the third quantity adjusting mode meets the condition that the first definition difference is smaller than the second-level first definition difference delta Qa2.
The invention can effectively avoid the situation that the data packet is damaged or lost in the conveying process due to overlarge internal memory of the data packet, and further improves the conveying efficiency of the system for the image information while further improving the conveying integrity of the system for the image information.
Specifically, the central control module records the difference between the preset definition Q0 and the definition Q of the decrypted image information as a second definition difference Δqb in the second cause determination mode, and determines a magnification adjustment mode for the compression magnification in the processing module according to the second definition difference Δqb, in this embodiment, the method includes:
the first multiplying power adjusting mode is that the central control module adjusts the compression multiplying power R in the processing module to a corresponding value by using a first multiplying power adjusting coefficient k1, wherein k1 is more than 0.8 and less than 1, and the adjusted compression multiplying power R1' =Rxk1 is set; the first multiplying power adjusting mode meets the condition that the second definition difference DeltaQb is larger than a first-stage second definition difference DeltaQb 1 preset in the central control module;
the second multiplying power adjusting mode is that the central control module adjusts the compression multiplying power in the processing module to a corresponding value by using a second multiplying power adjusting coefficient k2, k1 is smaller than k2 and smaller than 1, and the adjusted compression multiplying power R2' =Rxk2 is set; the second multiplying power adjusting mode meets the condition that the second definition difference DeltaQb is smaller than or equal to the first-stage second definition difference DeltaQb 1 and larger than or equal to a second-stage second definition difference DeltaQb 2 preset in the central control module, and the first-stage second definition difference DeltaQb 1 is larger than the second-stage second definition difference DeltaQb 2;
The third-time rate adjusting mode is that the central control module adjusts the compression rate in the processing module to a corresponding value by using a third-time rate adjusting coefficient k3, k2 is smaller than k3 and smaller than 1, and the adjusted compression rate R3' =Rxk3 is set; the third-time rate adjustment mode meets the condition that the second definition difference DeltaQb is smaller than the second-stage second definition difference DeltaQb 2.
The invention can effectively avoid the situation of data damage or data deletion caused by the compression process of the electronic data, and further improves the transmission efficiency of the system for the image information while further improving the transmission integrity of the system for the image information.
Specifically, the central control module controls the transmission module to divide the encrypted data into data packets of a critical number Mu under a fourth preset condition, and adjusts the length L of a key used for encrypting the compressed data by the encryption module to a corresponding value, wherein the critical number Mu is the maximum value of the number of the data packets transmitted by the transmission module in a single batch in the central control module; and under the fourth preset condition, the central control module judges that the number of the data packets after adjustment is larger than the critical number Mu.
Specifically, under a fifth preset condition, the central control module controls the verification module to detect the new image definition Q' of the corrected decrypted image information and determine a number correction mode for the number of data packets generated in the conveying module, where:
the first quantity correction mode is that the central control module judges that the quantity of the data packets generated in the conveying module is not required to be corrected; the first quantity correction mode satisfies that the definition Q' of the new image information is larger than or equal to the preset definition Q0;
the second number correction mode is that the central control module corrects the number of the data packets generated in the conveying module to a corresponding value by using a first number correction coefficient w1, the value is set to be 1 < w1 < 1.6, the central control module marks the number of the corrected data packets as M0', and M0' =M0×w1 is set; the second quantity correction mode satisfies that the definition Q' of the new image information is smaller than the preset definition Q0;
the fifth preset condition is that the central control module finishes correcting the compression multiplying power in the processing module in the first judging mode and judges that the compression multiplying power in the processing module reaches the critical multiplying power Ru preset in the central control module.
The central control module can readjust the length of the secret key for encrypting the compressed data according to the number of the data packets after the data packets are divided again, and the transmission time length of each data packet can be effectively reduced through the relative balance between the secret key length and the number of the data packets, so that the transmission efficiency of the system for the image information is further improved, and meanwhile, the integrity of the transmission of the image information is further improved.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A data fencing system based on image data transmission, comprising:
the image acquisition module is used for acquiring image information to be transmitted;
the processing module is connected with the image acquisition module and used for receiving the image information transmitted by the image acquisition module and converting the image information into corresponding electronic data, and compressing the converted electronic data by using a corresponding compression rate to generate compressed data;
the encryption module is connected with the processing module and used for receiving the compressed data transmitted by the processing module and carrying out encryption processing on the compressed data to generate encrypted data;
the transmission module is connected with the encryption module and is used for dividing the encrypted data encrypted by the encryption module into data packets with corresponding quantity and sequentially transmitting the data packets to corresponding components;
the decryption module is connected with the conveying module and used for sequentially receiving the data packets conveyed by the conveying module, converting the data packets into electronic data and decrypting the electronic data to generate decrypted data;
the verification module is connected with the decryption module and used for converting the decryption data transmitted by the decryption module into corresponding decryption image information and verifying the integrity of the decryption image information;
The central control module is respectively connected with the processing module, the encryption module and the verification module and is used for judging whether the data transmission of the transmission module accords with a standard according to the integrity of the decrypted image information verified by the verification module, judging whether the processing module is controlled to adjust the compression ratio of electronic data according to the transmission time length of encrypted data when judging that the data transmission of the transmission module accords with the standard, and when the central control module preliminarily judges that the data transmission of the transmission module accords with the standard, carrying out secondary judgment on whether the data transmission of the transmission module accords with a preset standard according to the ratio of the average interval of the data packets to the total amount of the data packets, and adjusting corresponding parameters in the encryption module to corresponding values according to the ratio of the average interval of the data packets to the total amount of the data packets when secondarily judging that the data transmission of the transmission module does not accord with the preset standard, wherein the average interval of the data packets is equal to the average value of the number of data packets existing between two adjacent data packets with incomplete data in the data packet transmission sequence, and determining that the data transmission module does not accord with the preset standard or the original data transmission module is clear according to the data transmission standard when judging that the data transmission of the data of the transmission module does not accord with the data of the data packet accords with the decryption image information.
2. The system according to claim 1, wherein, for the decrypted image information converted by the decryption module, if the verification module determines that the integrity of the decrypted image information is lower than a preset standard, the central control module makes a secondary determination on whether the data transmission of the transmission module meets the preset standard according to the distribution condition of the data packet in which the incomplete data in the decrypted image information is located in the transmission process, or determines the reason why the data transmission of the transmission module does not meet the preset standard according to the definition of the decrypted image.
3. The data fence system based on image data transmission according to claim 2, wherein the central control module corrects the compression ratio of the processing module to the electronic data based on the transmission time length of the encrypted data under a first preset condition, the central control module is provided with a plurality of correction modes to the compression ratio, and the compression ratio corrected by using each correction mode is positively correlated with the transmission time length; the first preset condition is that the verification module is satisfied, and the integrity of the decrypted image information is judged to be greater than or equal to a preset standard.
4. The data fencing system based on image data transmission according to claim 2, wherein said central control module makes a secondary decision as to whether the data transmission of said transmission module meets a preset standard according to a ratio of the average interval of the data packets to the total amount of the data packets, and makes a secondary decision that the data transmission of the transmission module does not meet the preset standard when the ratio is equal to or greater than a preset continuous disqualified duty ratio preset in said central control module.
5. The data fencing system based on image data transmission according to claim 4, wherein said central control module adjusts the length of a key used when said encryption module re-encrypts said compressed data based on the ratio of said average interval amount of data packets to said total amount of data packets under a second preset condition, said central control module is provided with a plurality of adjustment modes for the length of the key and the lengths of the keys adjusted by different adjustment modes are all different; and the second preset condition is that the central control module secondarily judges that the data transmission of the transmission module does not accord with a preset standard.
6. The image data transmission-based data fencing system according to claim 2, wherein said central control module controls said transfer module to re-transfer the encrypted data under a third preset condition, and, before re-transferring the encrypted data, if the transmission speed of the encrypted data for the transfer module is lower than a preset transmission standard, controls the transfer module to re-determine the number of data packets according to the sharpness of the decrypted image information, or, if the compression ratio of the electronic data for the processing module is higher than a preset standard, re-adjusts the compression ratio of the electronic data for the processing module according to the sharpness of the decrypted image information;
And the third preset condition is that the central control module completes the determination of the reason why the data transmission of the transmission module does not meet the preset standard.
7. The system according to claim 6, wherein the central control module is provided with a plurality of adjustment modes for the number of data packets divided by the transmission module in the re-transmission process based on the definition of the decrypted image information, and the number of data packets adjusted by each adjustment mode is different.
8. The data fencing system based on image data transmission according to claim 7, wherein said central control module is provided with a plurality of adjustment modes for the compression ratio of the processing module to the electronic data in the re-transmission process based on the definition of the decrypted image information, and the number of the data packets adjusted by each adjustment mode is different.
9. The image data transmission-based data fencing system according to claim 8, wherein said central control module judges whether to control said encryption module to adjust the length of a key for encrypting compressed data according to the number of data packets under a fourth preset condition; and the fourth preset condition is that the central control module judges that the number of the data packets after adjustment is larger than the critical number, and the number of the data packets is required to be divided again.
10. The image data transmission-based data fencing system according to claim 8, wherein said central control module determines whether to control said transport module to repartition the number of data packets according to the corrected sharpness of said decrypted image under a fifth preset condition; the fifth preset condition is that the central control module controls the conveying module to finish adjusting the compression multiplying power in the conveying module in a first judging mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311048103.0A CN116760935B (en) | 2023-08-21 | 2023-08-21 | Data fence system based on image data transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311048103.0A CN116760935B (en) | 2023-08-21 | 2023-08-21 | Data fence system based on image data transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116760935A CN116760935A (en) | 2023-09-15 |
| CN116760935B true CN116760935B (en) | 2023-10-17 |
Family
ID=87951881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311048103.0A Active CN116760935B (en) | 2023-08-21 | 2023-08-21 | Data fence system based on image data transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116760935B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117395277B (en) * | 2023-10-13 | 2024-04-12 | 广州锡杨电子股份有限公司 | Industrial computer and data monitoring system |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0517273A2 (en) * | 1991-06-07 | 1992-12-09 | Alcatel Espacio S.A. | Method and device to regulate the output bit rate in variable bit rate video coders |
| KR950013200A (en) * | 1993-10-26 | 1995-05-17 | 이헌조 | Digital video transmission device and method |
| WO2000054507A1 (en) * | 1999-03-10 | 2000-09-14 | Digital Electronic Cinema, Inc. | System and method for standard and high definition video delivery |
| JP2005328441A (en) * | 2004-05-17 | 2005-11-24 | Nec Corp | Data transmission system |
| JP2006319461A (en) * | 2005-04-11 | 2006-11-24 | Kddi Corp | Device, method, and program for reception |
| WO2008018318A1 (en) * | 2006-08-11 | 2008-02-14 | Panasonic Corporation | Encryption device, decryption device, encryption method, and decryption method |
| CN102932650A (en) * | 2011-08-11 | 2013-02-13 | 索尼公司 | Methods, equipment and systems for protecting and verifying integrity of video data |
| JP2013068736A (en) * | 2011-09-21 | 2013-04-18 | Oki Electric Ind Co Ltd | Data transmission device, method, and program |
| WO2013159112A1 (en) * | 2012-04-20 | 2013-10-24 | The Board Of Regents Of The University Of Texas System | Systems and methods for simultaneous compression and encryption |
| KR101784943B1 (en) * | 2017-07-31 | 2017-10-12 | 주식회사세오 | image signal encoding apparatus |
| AU2019100084A4 (en) * | 2018-12-20 | 2019-03-07 | Wisenut, Inc. | System and method for transmitting adaptive text stream data in network environment |
| CN110781150A (en) * | 2019-10-10 | 2020-02-11 | 北京无限光场科技有限公司 | Data transmission method and device and electronic equipment |
| WO2021120793A1 (en) * | 2019-12-16 | 2021-06-24 | 腾讯科技（深圳）有限公司 | Face image transmission method and apparatus, numerical value transfer method and apparatus, and electronic device |
| CN114692774A (en) * | 2022-04-08 | 2022-07-01 | 清华大学 | Method for adjusting compression ratio of encoder and method and device for feeding back data |
| CN115118460A (en) * | 2022-06-07 | 2022-09-27 | 余利华 | Block chain-based data integrity verification method and system |
| CN115695674A (en) * | 2022-09-21 | 2023-02-03 | 重庆邮电大学 | Digital image encryption transmission system |
| CN116015766A (en) * | 2022-12-09 | 2023-04-25 | 淮阴师范学院 | Data safety transmission system for computer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10615973B2 (en) * | 2016-12-27 | 2020-04-07 | Fotonation Limited | Systems and methods for detecting data insertions in biometric authentication systems using encryption |
-
2023
- 2023-08-21 CN CN202311048103.0A patent/CN116760935B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0517273A2 (en) * | 1991-06-07 | 1992-12-09 | Alcatel Espacio S.A. | Method and device to regulate the output bit rate in variable bit rate video coders |
| KR950013200A (en) * | 1993-10-26 | 1995-05-17 | 이헌조 | Digital video transmission device and method |
| WO2000054507A1 (en) * | 1999-03-10 | 2000-09-14 | Digital Electronic Cinema, Inc. | System and method for standard and high definition video delivery |
| JP2005328441A (en) * | 2004-05-17 | 2005-11-24 | Nec Corp | Data transmission system |
| JP2006319461A (en) * | 2005-04-11 | 2006-11-24 | Kddi Corp | Device, method, and program for reception |
| WO2008018318A1 (en) * | 2006-08-11 | 2008-02-14 | Panasonic Corporation | Encryption device, decryption device, encryption method, and decryption method |
| CN102932650A (en) * | 2011-08-11 | 2013-02-13 | 索尼公司 | Methods, equipment and systems for protecting and verifying integrity of video data |
| JP2013068736A (en) * | 2011-09-21 | 2013-04-18 | Oki Electric Ind Co Ltd | Data transmission device, method, and program |
| WO2013159112A1 (en) * | 2012-04-20 | 2013-10-24 | The Board Of Regents Of The University Of Texas System | Systems and methods for simultaneous compression and encryption |
| KR101784943B1 (en) * | 2017-07-31 | 2017-10-12 | 주식회사세오 | image signal encoding apparatus |
| AU2019100084A4 (en) * | 2018-12-20 | 2019-03-07 | Wisenut, Inc. | System and method for transmitting adaptive text stream data in network environment |
| CN110781150A (en) * | 2019-10-10 | 2020-02-11 | 北京无限光场科技有限公司 | Data transmission method and device and electronic equipment |
| WO2021120793A1 (en) * | 2019-12-16 | 2021-06-24 | 腾讯科技（深圳）有限公司 | Face image transmission method and apparatus, numerical value transfer method and apparatus, and electronic device |
| CN114692774A (en) * | 2022-04-08 | 2022-07-01 | 清华大学 | Method for adjusting compression ratio of encoder and method and device for feeding back data |
| CN115118460A (en) * | 2022-06-07 | 2022-09-27 | 余利华 | Block chain-based data integrity verification method and system |
| CN115695674A (en) * | 2022-09-21 | 2023-02-03 | 重庆邮电大学 | Digital image encryption transmission system |
| CN116015766A (en) * | 2022-12-09 | 2023-04-25 | 淮阴师范学院 | Data safety transmission system for computer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116760935A (en) | 2023-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116760935B (en) | Data fence system based on image data transmission | |
| CN101411111B (en) | ARQ and HARQ protocol data units and method of formation | |
| CN101032095B (en) | Outer loop power control with transport block diversity transmission and device | |
| CN103259797A (en) | Data file transmission method and platform | |
| CN106953909B (en) | Intelligent charging monitoring system and control method for Internet of things card | |
| US20100046448A1 (en) | Single Bit Segmentation Indicator | |
| CN114040026A (en) | Information security encryption transmission method for industrial Internet of things | |
| CN108259811B (en) | Time hidden channel device for packet position classification adjustment and construction method thereof | |
| US5825508A (en) | Image data receiving method for receiving retransimitted image data frames | |
| CN108134777B (en) | Communication encryption system based on timestamp | |
| US20050285755A1 (en) | Transmitter, communication system, and communication method | |
| CN115118529B (en) | Data transmission method based on block chain | |
| CN103517162A (en) | Communication system and method based on XPON | |
| CN114565387B (en) | Intelligent public payment system based on block chain accounting | |
| CN113391951B (en) | Multipoint centralized remote backup disaster recovery method and system based on Ethernet simplified transmission | |
| CN115883679A (en) | Block chain-based data secure transmission method and system | |
| CN115002035A (en) | Power data transmission congestion evasion method based on service level | |
| US8036249B2 (en) | System and method of data verification | |
| CN107171769B (en) | Method for setting synchronous head of packet-sending data and sorting method | |
| CN117811837B (en) | Unidirectional data transmission system with high privacy security | |
| JP3703990B2 (en) | Time adjustment method | |
| CN113422787B (en) | Intelligent anti-attack method for passive optical network system | |
| JPH09326843A (en) | Communication system | |
| CN113595781B (en) | Internet of things communication protocol configuration method and device | |
| JP4002270B2 (en) | Method for controlling access to a wireless medium shared by multiple connections |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |