75 results about "Content integrity" patented technology

In embodiments of the present invention improved capabilities are described for selective website vulnerability and infection testing and intelligently paced rigorous direct website testing. By providing robust website content integrity checking while only lightly loading the website hosting server, visitor bandwidth availability is maintained through selective testing and intelligently paced external website exercising. A modular pod-based computing architecture of interconnected severs configured with a sharded database facilitates selective website testing and intelligent direct website test pacing while providing scalability to support large numbers of website testing subscribers.

An improved method and system for monitoring and detecting changes to static, dynamic, and active web content is disclosed. The system includes a web detection manager, a web detection agent, and a web detection console. The web detection console configures the web detection manager to monitor at least one web page. The web detection manager requests web site information from the web detection agent. The web detection agent provides the web detection manager with the requested web site information and the web detection manager processes that information to determine whether the content of each web page being monitored has been altered. The web site information includes the encoded content of each web page being monitored.

A request for a resource of web content is received. It is determined whether the request identifies the resource using a transformed identifier that has been generated by transforming an original identifier of the resource. In the event it is determined that the request identifies the resource using the transformed identifier, the transformed identifier is translated back to the original identifier of the resource. The resource is obtained using the original identifier of the resource. The obtained resource is provided as a response to the request for the resource of web content.

The invention discloses an information hiding method facing to an H.264 / AVC (automatic volume control) video. The embedding of watermark information is realized through modifying a data communication terminal (DCT) coefficient of a frame I, but for a frame B and a frame P, the embedding of the hiding information is realized through modifying motion vector data (MVD), thus on one hand, the embedded watermark information can be used for authenticating the integrity of the content of the video streaming, and on the other hand, whether the video is attacked is judged, and whether the extracted information is credible and the like at an information detection end according to the integrity of the extracted watermark information, thus ensuring the safety of the private information; as the frame P and frame B in a video sequence are divided into a motion subblocks from the size range of 16*16 to 4*4; the smaller subblock division provides a large amount of MVD data which can provide for hiding the private information, thus the video has larger information hiding capacity; and the process extracting the information is simple and rapid, does not need an original video file for reference, and only needs to decode the DCT coefficient of the frame I and the MVD data of the frame B and frame P, thereby effectively improving the instantaneity and the practicability.

The invention discloses a multipoint safe videoconference system with an IP set-top box based on an H.323 protocol, which comprises a videoconference client module, a videoconference transmission module and a videoconference server module; the videoconference client module comprises the IP set-top box, a digital television and an audio / video acquisition and playing device and is used for realizing the identity verification of a videoconference user and the functions of acquiring, receiving and playing an audio / video content; the videoconference server module consists of a multipoint control unit (MCU) based on the H.323 protocol and is used for realizing functions of conference management, the integrity verification of the audio / video content, the identity verification of a user at a client, and the distribution and the processing of the audio / video content; and the videoconference transmission module realizes the transmission of the audio / video content between the user participating in a conference and a videoconference server by using a digital television network. According to the invention, a digital television user can realize a safe videoconference by the digital television with higher safety.

The invention relates to a reversible watermark method used in image identification, belonging to multimedia information safety technique, wherein the invention modifies high-frequency sub-band histogram to embed the SHA-256 Haxi value of original image and the data used to recover image into high-frequency sub-band; via replacing the most low bit plane of low-frequency sub-band to embed the useful watermark into low-frequency sub-band; based on extracted watermark or the differential value picture between extracted watermark and former watermark to process falsification check and positioning; comparing extracted Haxi value and the Haxi value of returned image to process content completeness check. The invention can resist false impact, check and position falsification, to return original image without aberration.

The invention discloses a kind of method, device and system to verify the integrity of the protected content. The method includes: storing the hash value of the protected content of the computer, during verifying the integrity of the protected content before consuming the protected content, users' device compares the hash value of the protected content with hash value of the authority target related to the content, if they are accord, the content passes the verification of the integrity; or does not passes. The invention solves the problem that the users can not experience very well because consuming the content verifying the integrity of the content frequently leads to the delay of consuming the content. Further, the situation of no-consumption authority target consumes the consumed content with the system.

The embodiment of the invention discloses a method for verifying the content integrity of a streaming media, further provides a corresponding device and system. In the embodiment of the invention, a streaming media server processes a source streaming media file to obtain a post streaming media file, wherein a data block of the post flow streaming media file carries verification information of a next data block, and the streaming media server further constructs independent verification information of each data block in the post streaming media file and singly saves the independent verification information. Therefore, the embodiment of the invention can ensure that all data blocks of the post streaming media file downloaded by the terminal device are absolutely continuously verified, and the transmission cost is lower after the terminal device downloads the post streaming media file.

The invention discloses a fine particulate matter removal device and method with combined action of acoustic agglomeration and cyclone separation. The device is embedded in each terminal workstation in an MIS system, is used for adding an invisible watermark to an acquired new image, and also provides integrity detection and tampering localization analysis for terminal work management and image processing. The technical method is embedded and integrated into a management information system for authenticating image content integrity and locating a tampered image region, and the method can be expressed as integrated external hardware when in concrete realization. The realization of the whole device scheme is divided into two parts: one, image characteristic information as the watermark is generated by the original image, the watermark information is subjected to chaotic encryption and then embedded into the original image, and the invisibility of the watermark information is realized under a condition without increasing the bandwidth; and two, a watermark-containing medical image is subjected to watermark extraction on a receiving end, the image can be subjected to integrity detection, the tampered image region is located, and thus a strong support is provided for further decision.

The invention discloses a method for encrypting and authenticating efficient data without an authentication center, which comprises the following steps of: (1) determining system parameters; (2) registering information receiving and transmitting parties; (3) performing data encryption and authentication protection on plaintext messages to be sent to a receiver by a sender; and (4) reading and authenticating the received data messages by the receiver, wherein in the step (3), ciphertexts, signature parameters and electronic signatures are combined by calculating secret key parameters, calculating the ciphertexts and the signature parameters on the plaintext messages according to the secret key parameters and calculating the electronic signatures according to the plaintext messages, the signature parameters and the like to form and send the data messages. Through the method of the invention, data encryption and the authentication of content integrity on the plaintext messages can be performed simultaneously and efficiently, and a series of problems caused by adopting the authentication center in the conventional method can be prevented.

The invention discloses a self-adaption language training method and platform so that any voice message inputted by a user under a selected scene can be evaluated. The method includes the steps that a scheduling module calls a voice recognition module to conduct voice recognition on any voice message inputted by the user under the selected scene, the voice recognition module recognizes the voice message and inputs a recognition result to an evaluation module, the evaluation module evaluates the semantic standard degree, the content integrity and the content accuracy and weights the semantic standard degree evaluation result, the content integrity evaluation result and the content accuracy evaluation result to obtain a comprehensive evaluation result, and the scheduling module feeds the recognition result and the comprehensive evaluation result back to the user. According to the method and the platform, when expression of the user is evaluated, only a reference replay text and an expected key word text need to be obtained, the language use capacity of the user can be objectively and accurately reflected, and the method and the platform are beneficial for improving the language expression capacity of the user.

The invention provides an encryption method for data file distribution, which is characterized in that: the data file is divided into sensitive data and main data, and the two kinds of data are propagated and distributed through different ways, and then the data is synthesized when used at the destination, Revert to the original data file. The encryption method of the present invention has the advantages of adopting the data segmentation technology, breaking the integrity of the content, and better protecting the copyright; saving network bandwidth and making the copyright information instantly controllable.

Systems and methods for securing the content integrity of and access to object data and code in a distributed system. Content protecting URLs provide a mechanism for checking code or data transmitted out-of-band. Dynamic permission grants are supported during program execution for code or users unknown prior to runtime.

The invention provides a vector map watermark method based on space geometric features. The vector map watermark method based on the space geometric features comprises the following steps of reading a vector map file; filtering out redundant rendering information; reading a data structure of a vector map object according to three basic map layers such as points, lines and regions; scanning watermark bitmaps and converting the watermark bitmaps into a binary sequence; determining an embedding length of a unit object; determining the scale of a watermark carrier gather; optimizing a map layer object gather; sequentially reading a set watermark coding sequence and writing the set watermark coding sequence at the tail of positioning information; extracting watermark codes in a space relation object by using a secret key; and generating watermark bit maps according to the binary watermark sequence and the sizes of the watermark bitmaps. The similarity between watermarks and the original watermarks is calculated and detected, and the map file cannot be damaged, zero loss of precision of an algorithm can be implemented on the basis that integrity of contents in a map is guaranteed, a vector data compression resistant effect can be achieved, and error rate is low.

The invention discloses a method for assessing browsing quality. The method includes the steps that a page, to be detected, of a third party station is obtained, and the page to be detected is analyzed so that a first original characteristic set can be obtained; code transforming is performed on the page to be detected so that a page to be detected after the code transforming can be generated, and a structural characteristic set of the page to be detected is obtained; the page to be detected after the code transforming is analyzed so that a second original characteristic set can be obtained; according to a preset combined rule, the first original characteristic set, the second original characteristic set and the structural characteristic set are combined to generate a combined characteristic set; according to a preset assessment model and the combined characteristic set, the quality of the page to be detected is assessed. The method can be used for assessing the layout quality, content completeness, presentation speed and the like of the page, so that an instruction is provided for a user to get access to the page, and the experience degree of user access can be improved more easily. The invention further discloses a system for assessing the browsing quality.

The invention provides a real-time video self-adapting network transmission optimization method. According to the method, videos and pictures from the same signal source are subjected to self-adapting regulation according to the network quality and subjected to serial transmission in the time sequence, thereby solving the technical problems of real time, smoothness and content integrity of the transmitted real-time video.

The invention discloses a data information processing method and an information service platform in a big data service scene. The model configuration data and the interaction data are associated, and the current service noise state information of the online e-commerce interaction data is determined based on the service conversion degree information of the online e-commerce interaction data, so the separate data fragments do not need to be split, multiple data fragments do not need to be split when the data fragments are associated with one another, and for online e-commerce noise interaction data of different state information, according to the model configuration data corresponding to the current service noise state information which is trained in advance, so the online e-commerce interaction data after the business noise is removed and the content integrity, the content authenticity and the content accuracy of the data fragments can be improved, so the high-quality online e-commerce interaction data with relatively low noise can be obtained.

According to the invention, an artificial intelligence technology is taken as a core, and through understanding of medical record semantics, evaluation of diagnosis and treatment paths, searching of defect contents and reason recognition, research and judgment from content integrity, timeliness and the like can be realized, and content quality control on medical record documents from term normalization, data consistency, logic consistency, diagnosis sufficiency, drug interaction and the like can also be realized. Through the basic quality, the link quality and the end quality of the electronic medical record and management, the quality control department not only can timely find and correct errors in the medical record and reduce and avoid medical accidents, errors and disputes, but also can truly reflect the condition of disease diagnosis and treatment of each department.

The invention relates to an automatic intelligent substation information sheet generating system. The generating system comprises an equipment separating list inputting module, a type inputting module connected with the equipment separating list inputting module in a communication mode and an information sheet generating module connected with the equipment separating list inputting module and the type inputting module in a communication mode. An intelligent substation primary equipment separating list and an intelligent substation secondary equipment separating list are input respectively and combined with all configured separating remote measuring, remote signaling and remote control types, and information is automatically extracted from remote measuring, remote signaling and remote control module libraries to generate full-substation remote measuring, remote signaling and remote control information sheets. The automatic intelligent substation information sheet generating system has the advantages that it is only required that dispatching and naming lists of substation equipment separating are input and equipment attributes are selected, the remote measuring, remote signaling and remote control information sheets can be automatically generated, working efficiency is greatly improved, integrity and correctness of content and standardability of text description of the information sheets are ensured, and the automatic intelligent substation information sheet generating system can be widely applied to compilation of telecontrol information of an infrastructural project and a new expansion project of an intelligent substation at all voltage levels in an electric system.

Embodiments of the invention disclose an application program operation method and device. The method comprises the following steps of: obtaining an operation instruction of a predetermined application program, wherein the predetermined application program comprises predetermined verification information; verifying content integrity of the predetermined application program through a preset cross verification mechanism according to a program content of the predetermined application program and the predetermined verification information, so as to obtain a verification result, wherein the cross verification mechanism is used for verifying different parts comprising a same program content in the predetermined application program; and if the fact that the predetermined application program is tampered is determined according to the verification result, refusing to operate the predetermined application program. By utilizing the application program operation method and device disclosed by the invention, the problem that application programs are tampered can be fundamentally solved, the operation safety of the application programs can be improved and the safety of personal information of users is ensured.

The invention discloses a video splicing method and system based on multi-camera content analysis, and belongs to the field of industrial protection, social monitoring and community security and protection. The system comprises a feature point module, an image homography matrix calculation module, an image fusion cutting module and a foreground matching module. Video processing is carried out by using the method and the system; the final image video information can be obtained after the overlapping region in the multi-angle video is quickly and efficiently removed; the work of performing content analysis processing on multi-scene and multi-camera image videos by applying a single-frame feature point matching technology is realized; the final image video information obtained through processing saves more storage space, reduces the information storage cost, reduces the workload of image video processing, and improves the working efficiency of image video processing while guaranteeing thevideo content integrity and video quality.

The invention provides a method, device and system for processing terminal information. According to the prior art, when a web service provider obtains terminal information through an intermediate device, the overhead of the intermediate device will be increased when processing HTTP messages, and as a result, the problems of decrease of the concurrent capacity of the intermediate device and information terminal counterfeiting on a transmission path may be brought about, and while, with the method, device and system of the invention adopted, the problems in the prior art can be solved. The method includes the following steps that: after establishing a connection, a transmission control protocol obtains a client handshake request sent by a terminal in a TLS authentication negotiation process; a message fingerprint corresponding to insertion information is generated according to the insertion information related to the terminal, and the generated message fingerprint is signed; and the insertion information, the message fingerprint and the signature of the message fingerprint are inserted into the client handshake request, and the client handshake request is sent to a server. According to the method provided by the embodiment of the invention, the terminal information is carried in a TLS protocol field, a one-way authentication mechanism of the intermediate device and the server is additionally adopted, and it can be ensured that the server end can reliably verify the authenticity of the source of the terminal information and completeness of the content of the information terminal.

The invention discloses a video content integrity identification method, and device, equipment and a storage medium, and relates to the field of deep learning. A video integrity identification model is constructed through an artificial intelligence technology, and a function of identifying video integrity is realized by utilizing computer equipment. The method comprises the steps of obtaining a video file and video publishing information of the video file, wherein the video publishing information represents information provided when video content corresponding to the video file is published; separating audio data from the video file; extracting audio features from the audio data, and extracting text features from the video release information; splicing the audio features and the text features to obtain spliced features; and identifying the spliced features to obtain the integrity of the video content corresponding to the video file. By identifying the vector after the audio feature andthe text feature corresponding to the video file are spliced, the integrity of the video content is determined by integrating the features of multiple dimensions, so that the accuracy of video integrity auditing is improved.

The invention discloses method for implementing credible service in complemental configurable information network. The said credible services include the credible service of information transmission from information content provider of No.i (iCP) to Data Process Center (DPC), and the credible service provided by DPC to users. The credible service from iCP to DPC includes functions of digital signature, integrality of information content, security, and anti denial capability etc for information content provided by iCP. Content of the credible service from DPC to user includes integrality and security etc. the disclosed credible services guarantee security and confidence level of complemental configurable information network.

The embodiment of the invention provides a photographing method and a photographing device, and the method comprises the following steps: when executing a photographing operation, acquiring at least two frames of candidate image data; respectively extracting at least two target region data, of which fuzzy degree meets a preset fuzzy condition, some regions are superposed and location regions are matched, from the at least two frames of candidate image data; and splicing the target region data into target image data. Due to superposition of some regions, the target region data can be spliced, relevance between the acquired candidate image data is considered, regions of the target region data are matched and consequently content integrity of the spliced image can be guaranteed; proper targetregion data are screened through the fuzzy condition, definition of spliced image data is guaranteed, influence caused by jittering is reduced, additionally configuring independent devices is not needed, cost is reduced, moreover, splicing is simple to operate, processing speed is improved, and time consumed is saved.

A method and system are provided for efficiently verifying the integrity of file-based video audio and other essence in a content production system. The method involves creating a sequence of hash codes for the editable units of the essence, which are stored as metadata apart from the content (either in a separate file or in a separate portion of the same file), and are correlated to the content by a time label (which may be an offset or a timecode number). Upon retrieval from storage, the hash codes are generated for the retrieved essence and compared to the stored hash codes to verify that the content has not been modified.

The invention provides a network book contents integrity detection method and device. The method comprises the steps of extracting the contents of a network book; obtaining the chapter number of each chapter in the contents of the network book; converting the chapter numbers into corresponding figures; acquiring the contents position serial number of each chapter; comparing the chamber number of each chapter and the corresponding contents position serial number. If the chamber number of each chapter and the corresponding contents position serial number are equal, it can be determined that the contents of the network book are complete and if the chapter number is greater than the contents position serial number, it can be determined that the contents of the network book are deficient. The network book contents integrity detection method and device are characterized in that extracted network book contents are compared with prestored network book contents; if the two are the same, the extracted network book contents are complete and if the two are not the same, the network book contents are not complete; the method and the device can detect the integrity of extracted network book contents and improve the readability.