47 results about "Image sharing" patented technology

The embodiment of the invention discloses a ciphertext domain reversible information hiding method and device based on secret image sharing. A specific embodiment of the method comprises the following steps: carrying out secret sharing on secret information to be embedded to obtain a secret information sharing copy sequence; carrying out system conversion on the secret information sharing part sequence to obtain a converted information sharing part sequence; performing image scrambling on the secret image by using a preset scrambling key to obtain a scrambled image; performing region division on the scrambled image to obtain an image division region sequence; embedding each converted information sharing copy in the converted information sharing copy sequence into a corresponding image division region in the image division region sequence so as to carry out ciphertext domain reversible information hiding, and obtaining a marked sharing copy sequence; and storing the marked shared copy sequence. According to the embodiment, the calculation complexity of the encryption process can be reduced.

The invention discloses a halftone image reversible information hiding and extracting method and device and a medium, and relates to the field of image encryption, and the method comprises the steps: obtaining an original halftone image and original secret information; using a Hash algorithm to calculate summary information of the original halftone image; synthesizing the summary information with the original secret information to form to-be-hidden secret information, and storing the to-be-hidden secret information as a secret image; encrypting the original halftone image by using a ZUC encryption algorithm to obtain an encrypted halftone image; according to the encrypted halftone image, using a polynomial secret sharing algorithm to obtain N shared original images; according to the secret image, utilizing a polynomial secret sharing algorithm to obtain N shared secret images; and synthesizing the N shared original images and the N shared secret images to obtain N secret-carrying shared images. According to the method, the applicability, the confidentiality and the correctness of halftone image sharing are improved.

An indication of images is received at a first device connected to a conference. A first image is transmitted to a conferencing server based on a request to share the first image of the images in the conference. The first image is displayed in a companion tile associated with the first device. A request is received to share a second image of the images in the conference. The first image is replaced in the companion tile with the second image.

The application relates to the technical field of vehicle communication, and provides an image sharing method and device based on V2X. The method comprises the following steps: receiving an image acquisition request about a target object; determining a first broadcast range with the position of the target object as the center and a first distance as the radius; broadcasting the image acquisition request to each V2X terminal in the first broadcast range, so that each V2X terminal collects images including the target object and sends the images to the vehicle end; receiving the images sent by each V2X terminal; analyzing all the images and determining an image set corresponding to the target object. According to the application, the image acquisition request is broadcast to each V2X terminal through the V2X technology, so that the images about the target object sent by other V2X terminals at their positions are acquired, the vehicle end can acquire more detailed and comprehensive information of the target object, meanwhile, the vehicle end does not need to stop, drive at a low speed or extra detour, and the driving safety is ensured.

Proposed is a photo sharing system that uses a signage device having a reference area proposed in the present disclosure, the reference area of the signage device is used to output photo content of users within the reference area to the signage device, thereby sharing the photo content with people near the signage device to expand online social media functions to offline, and enabling the people near the signage device to have enjoyment while viewing the photo content together, and encouraging offline communication.

The image sharing system includes a first portable information terminal and a second portable information terminal. The first portable information terminal includes: a first display; a first communication device for transmitting and receiving data to and from the second portable information terminal; and a first processor that controls the first display and the first communication device, in which the first processor performs visual sharing control in accordance with a selection operation by a user of the first portable information terminal or a user of the second portable information terminal, a display mode of an individual display object composed of a virtual object serving as a visual sharing target is switched from a video viewed from a viewpoint position of a first portable information terminal to a video viewed from a viewpoint direction of a second portable information terminal based on data received via a first communication device. The first display displays the individual display objects using an image viewed from the viewpoint direction of the second portable information terminal.

The application discloses a microscopic image sharing method and a microscope system, and relates to the technical field of image sharing, and in particular to a microscopic image sharing method and a microscope system. The microscopic image sharing method comprises the following steps: based on a trigger operation of selecting an image on the microscope, determining a target image to be shared; based on a trigger operation of confirming sharing, the microscope system sends the target image to a server connected thereto; receiving and displaying a first information code returned by the server, the first information code being generated by the server according to the address of a pre-configured sharing space, the first information code being configured to trigger a browser of a terminal to jump to the sharing space when the first information code is read by the terminal, so as to view the target image sent to the sharing space by the server. The application can realize sharing and viewing of the microscopic image on the microscope on a terminal without the aid of a USB flash disk or other movable storage medium, and does not need to install an application program specially used for image sharing on the terminal, and is convenient to operate.

A system and method of personalized photo sharing includes receiving image data captured by a sensor system, the image data including an object proximate to a vehicle, identifying the object in the image data as a user of the vehicle, receiving a user context of the user of the vehicle, and receiving a vehicle context of the vehicle. The system and method also include determining that photo sharing is appropriate based on a vehicle context of the vehicle, retrieving a photo associated with a user account of the user based on the user context and the vehicle context, and displaying the photo associated with the user account on a screen in communication with the data processing hardware.

The invention relates to a data sharing technology, and particularly discloses a distributed image sharing excitation method and system based on a mixed game. The method comprises the following steps: S1, an image receiving terminal issues a task demand to a meta universe server; s2, the meta universe server broadcasts task requirements, and the image providing terminal feeds back effort decision variables; s3, the meta universe server determines an optimal incentive distribution strategy and distributes tasks by constructing a two-stage Stack Bagg game model and taking image receiving terminal utility maximization and image providing terminal utility maximization as targets; s4, the image providing terminal uploads image information to the meta-universe server according to the optimal effort level corresponding to the optimal incentive distribution strategy, and then information fusion is carried out through the meta-universe server and is fed back to the image receiving terminal. The method has the advantages that the optimal incentive distribution strategy generated according to the method can achieve joint optimization of the image receiving terminal effectiveness and the image providing terminal effectiveness.

In a method for acquiring a shared emotive image, a plurality of candidate contact identifiers is displayed. A user selection of a target contact identifier from the plurality of candidate contact identifiers is received. At least one emotive image corresponding to the target contact identifier is displayed. The at least one emotive image is shared by a target contact of the target contact identifier. A user selection of the shared emotive image from the at least one emotive image corresponding to the target contact identifier is received. An emotive image acquisition request is sent to the target contact corresponding to the target contact identifier. The emotive image acquisition request identifies the shared emotive image for which authorization is requested. The shared emotive image is added to an emotive image library based on the authorization to use the shared emotive image being received.

The present application relates to a kind of car perspective image sharing method, system, equipment and medium.The method includes real-time acquisition environment image in front and / or side of the car;Image processing is carried out to the environment image, and the image processing at least includes one or more of image repair processing, multi-path image splicing processing and target marking processing, obtains the environment image after processing;The processed environment image is displayed to the rear of the car, for the driver of the vehicle located in the rear of the car observation.The method is by obtaining the environment image in front and / or side of the car, and is shown to the vehicle in the rear, so that the driver of the rear vehicle can be in advance to judge the braking or steering intention of the front vehicle, effectively reduce the rear-end collision caused by sight obstruction, improve the overall safety of queue driving.

The embodiment of the invention discloses a cross-carrier visual cryptography method, device and equipment based on XOR and OR operation. A specific embodiment of the method comprises: according to a recovery threshold, a total number of participating ends and a participating end set, determining a participating end set group, the participating end set group comprising each participating end set, the participating end set having participating ends allocated with state tags; generating a division layer number and an access structure set according to the participating terminal set group; performing image sharing on the secret image according to the division layer number and the access structure set so as to generate each shared image; and sending the generated shared image to each participant in the participant set. According to the embodiment, the image recovery quality and security of a visual password scheme can be improved.

A method for sharing screenshot images includes, in response to a screenshot instruction, obtaining a screenshot image, based on the screenshot image, determining an object associated with the screenshot image, displaying a recommended area in a screenshot image sharing area, and in response to a trigger instruction on the operation controller of the object, sharing the screenshot image with the object. The recommended area includes at least an operation controller of the object.

Disclosed is an approach for image management for container runtimes. A first image of a first application for a first container runtime can be downloaded from an image repository providing the first image. Content data of the first application and management data corresponding to the first application and the first container runtime can be extracted from the first image. Both the content data of the first application and the management data corresponding to the first application and the first container runtime can be stored in an image sharing file system in response to the content data of the first application being not stored in the image sharing file system. Only the management data corresponding to the first application and the first container runtime can be stored in the image sharing file system in response to the content data of the first application being stored in the image sharing file system.

A state information acquisition section 164c acquires, from a management server, information indicating states of a plurality of members. A room image generation section 124c generates, on the basis of the information indicating the state of the plurality of members, a member displaying field in which information regarding a member transmitting an image and information regarding a member transmitting no image are included in different regions. A reception section 104c receives an operation of selecting a member transmitting an image. A request transmission section 180c sends a watching request including information for identifying the selected member to the management server or a distribution server that distributes an image.

The invention discloses a cloud DICOM file security sharing system and method based on attribute-based encryption, and the method comprises the steps: analyzing a DICOM file into a file header and pixel data through a data owner client, carrying out the symmetric encryption of the pixel data, carrying out the attribute-based encryption of a symmetric key and the file header under the constraint of an access strategy, and carrying out the encryption of the symmetric key and the file header; a safe DICOM packet is generated and uploaded to a cloud storage server; and when the attribute of the data visitor client meets the access strategy, the data visitor client recovers the symmetric key and the file header from the secure DICOM packet by using the private key, decrypts the pixel data and recombines the DICOM file. According to the method, the cloud only stores the ciphertext, fine-grained attribute access control and ciphertext-level management during strategy updating are realized, the leakage risk of the cloud is reduced, and the method is suitable for multi-institution medical image sharing.

The invention provides an image steganography method, device and equipment for user level-to-level management, and a medium, and the method comprises the steps: carrying out the compression of a DWT coefficient of a plaintext image through employing a compressed sensing technology, carrying out the partitioning, and dynamically setting a differentiated threshold value for each image block through employing a threshold secret image sharing method; and in combination with a double-image embedding method, the image is steganographically written into a carrier image, and finally a ciphertext image with visual significance is generated. And different threshold values are set for different image blocks, so that hierarchical steganography and extraction of the image are realized. When the number of users participating in decryption is smaller than a set threshold value, any effective information related to the plaintext image cannot be obtained; when the number of the users participating in decryption is greater than or equal to the threshold value, the related information of the plaintext image can be obtained, and the reconstruction quality of the plaintext image is improved along with the increase of the number of the users participating in decryption.

The application relates to the field of image data processing, in particular to a garden map updating method and system based on real scene image sharing and a storage medium, landscape element classification and space correlation of air-to-ground images of a garden space are carried out, a plurality of garden pattern distribution layers are generated, and an expected updating area is calibrated according to picture disturbance features of the layers; a plurality of real scene image libraries are formed by preprocessing real scene images, real scene images of the libraries are screened and fused, and optimized real scene images are obtained; the optimized real scene images are filled and fused with the expected updating area, all garden pattern distribution layers after the filling and fusion are superimposed, and a garden map is obtained. The application can implement detailed updating of different landscape elements in the garden space combined with real scene images, and can perform local fine real scene image fusion on the garden map, so that the garden map and the actual situation of the garden are matched and consistent, and the information of the map is refined.

An information processing device includes: a 360-degree image processing unit that generates a 360-degree image on the basis of a plurality of captured images captured by a plurality of cameras worn by a first user; and a 360-degree image viewpoint position identification unit that identifies viewpoint position coordinates of the first user in the 360-degree image.

A transmission processing section 166a transmits an image to a distribution server. A state information acquisition section 164a acquires, from a management server, information indicating the states of a plurality of members. A room image generation section 124a generates, on the basis of the information indicating the state of the plurality of members, a member display field in which information regarding a member transmitting an image and information regarding a member transmitting no image are included in different regions. A room image generation section 124a displays information indicating a member who is watching an image transmitted from the transmission processing section 166a to the distribution server.

The application discloses a picture sharing method and device in a video session, electronic equipment and a storage medium, and belongs to the technical field of communication. The picture sharing method in the video session comprises the following steps: displaying video session pictures corresponding to at least two video session parties participating in a target video session respectively; in response to a first input, determining a target video session picture from the video session pictures corresponding to the at least two video session parties respectively; in response to a second input, determining a first picture according to the target video session picture; and sending the first picture to the video session parties participating in the target video session.

This is a human-computer interaction system and a powered vehicle for a powered vehicle. The system (200) includes touch components (110;210), and the system (200) can be switched between a first function mode and a second function mode by the touch components (110;210), the first function mode including an image acquisition mode, and the second function mode including an image sharing mode, in which case the imaging direction of a camera mounted on the powered vehicle is controlled by a specific touch operation on the touch components (110;210).

An image sharing method includes: in a case that an interface of a target group is displayed, receiving a first input for an identifier of a target image in the interface of the target group; in response to the first input, sending an image download request to a server of the target group, where the image download request is used to request download of the target image, and the image download request includes an identifier of a target contact corresponding to the first electronic device; and receiving a first image sent by the server, and displaying the first image. The first image is an image sent by the server to the first electronic device based on the identifier of the target contact and target image data; and the target image data is sent by a second electronic device to the server.

This invention discloses a method, system, device, and storage medium for deepfake face forensics. These are corresponding solutions. In the solution: during the latent space semantic decoupling and watermark injection stage, a self-verifying, imperceptible original watermark can be embedded into the latent vector space of the face image to be protected, generating a high-quality watermarked face image that is imperceptible to the human eye, meeting the high visual quality requirements of film and television copyright protection and social image sharing; during the latent space watermark extraction and self-verification stage, the completeness of the correlation structure of the internal watermark can be verified by analyzing the image itself, thereby accurately determining whether the image has been tampered with by deepfake technology without accessing the face image to be protected or the original watermark, and locating the tampered area. This overcomes the bottleneck of blind detection technology, adapts to reference-free scenarios such as real-time review and offline image verification on social platforms, and solves the reference dependency problem of traditional semi-fragile watermarks.

The application provides an image steganography method and device for user hierarchical management, equipment and medium. The DWT coefficients of a plaintext image are compressed and blocked by using a compression sensing technology, and then a threshold secret image sharing method is used to dynamically set differentiated threshold values for each image block. The image blocks are steganographed into a carrier image by combining a double-image embedding method, so that a ciphertext image with visual significance is finally generated. Different threshold values are set for different image blocks, so that hierarchical steganography and extraction of the image are realized. When the number of users participating in decryption is less than a set threshold value, no effective information related to the plaintext image can be obtained. When the number of users participating in decryption is greater than or equal to the threshold value, information related to the plaintext image can be obtained, and with the increase of the number of participating users, the reconstruction quality of the plaintext image is improved.

To provide a mechanism that prevents certain images from being shared in a camera that is set to automatically share captured images.SOLUTION: An imaging apparatus, which is connected to a network and capable of communicating with other systems, sets up image sharing at the user's instruction, displays the captured image after shooting, and allows the user to exclude images from sharing at the user's instruction during review display, and shares images other than the excluded images.SELECTED DRAWING: Figure 1

The application provides a secret image sharing method, system and related device combining share compression and public share, splits secret image pixels, realizes lossless secret image sharing in a prime field or a Galois field with a modulus less than or equal to the number of pixels, and avoids pixel overflow. An entity user share and the split secret image pixels which are irrelevant to the secret image are used to construct a shared polynomial, the entity user share is compressed into a key, the load and attack risk caused by share transmission are avoided, the public share is further generated by the shared polynomial and stored in the cloud, and the fraud of the entity user and the virtual user is prevented by combining with the hash verification. When the secret image is reconstructed, the entity user provides a key generation share, the cloud provides a public share, the secret image is recovered by Lagrange interpolation, and the reconstruction can be successfully completed only when the threshold condition is met. The effective compression of the entity user share, the safe storage and verification of the public share in the cloud, and the security, integrity and transmission efficiency of the secret image sharing and reconstruction are significantly improved.

According to the photo sharing system using signage having a reference area proposed in the present invention, the reference area of ​​the signage is used to output photo content of users within the reference area to the signage, thereby enabling the photo content to be shared with people around the signage, thereby extending online social media functions offline, and allowing people around the signage to enjoy looking at the photo content together, thereby stimulating offline communication.

The invention relates to the technical field of endoscope image analysis and processing, in particular to a real-time image sharing and labeling method in digestive endoscope remote cooperative diagnosis and treatment. The method comprises the following steps: firstly, acquiring a digestive endoscopy frame image in real time, sharing and transmitting the digestive endoscopy frame image to a remote cooperative diagnosis and treatment end, and acquiring a point of interest marked in the digestive endoscopy frame image after the remote cooperative diagnosis and treatment end receives the digestive endoscopy frame image; at the current moment, a historical digestive endoscopy frame image received by the remote cooperative diagnosis and treatment end is matched with a current digestive endoscopy frame image, the corresponding position of the point of interest marked by the remote cooperative diagnosis and treatment end in the current digestive endoscopy frame image is accurately determined, expansion analysis is further conducted on the point of interest, and the possibility of the regional focus is evaluated. Therefore, the region of interest corresponding to the point of interest is accurately marked, local high-definition sharing is finally carried out, and the remote cooperative diagnosis and treatment effect of the digestive endoscopy is improved while the sharing delay is reduced.

To enable image sharing in context and improve usability an information processing device includes a display part that displays a first image and a transfer unit that transfers a second image different from the first image to a display device, and further comprises an address reception unit that receives a prescribed address from an external device, and an image generating unit that generates the second image based on information obtained by connecting to the prescribed address, and the transfer unit sends a notification to the display device asking which of the prescribed address received by the address reception unit and the second image generated by the image generating unit to select, and when the second image generated by the image generating unit is selected, the transfer unit transfers the second image obtained by the image generating unit to the display device.