78 results about "Image sharing" patented technology

A secret image sharing method based on deep compressed sensing image steganography belongs to the field of image information security, and comprises the steps of training set preprocessing and model training; performing compressed sensing sampling on the carrier image and the secret image by using a sampling network to obtain corresponding measurement values; mapping the measured value into a proxy image through a forward projection process; hiding the proxy secret image into the proxy carrier image by using a reversible neural network to generate a high-dimensional proxy steganographic image; mapping the proxy steganographic image back to a low-dimensional measurement value through a back projection process, and mapping the proxy steganographic image into a high-dimensional proxy steganographic image through a forward projection process; performing reverse revelation of secret information by using a reversible neural network to recover a proxy image; and reconstructing the recovered proxy image through the reconstruction network to obtain a recovered carrier image and a secret image, and completing sharing. According to the invention, the storage and transmission overhead is reduced, the transmission efficiency is improved, the shared image capacity is increased, and safe and efficient secret image sharing is realized.

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.

The present invention discloses a shared ophthalmic examination report image management system, belonging to the field of image management technology. The present invention solves the problem that existing technologies have difficulty in achieving image sharing and intelligent analysis. By constructing an image sharing platform, ophthalmic examination report images can be centrally stored and managed based on the platform. Quantum algorithms are used to encrypt and protect images and optimize them, improving image standardization, thereby preventing misdiagnosis by doctors with less clinical experience and ensuring data security and privacy. A quantum simulation model is also used to perform intelligent analysis on stored ophthalmic examination report images, assisting doctors in making rapid diagnoses of the reports, thereby improving diagnostic accuracy and consultation speed, and shortening waiting times for subsequent patients. A role-based access control mechanism is also established to ensure that each user can only access data within their authority, preventing unauthorized access and improving the confidentiality and practicality of the image sharing platform.

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.

This application discloses a method, system, corresponding device, and storage medium for sharing images between unmanned vehicles, wherein the unmanned vehicles include at least a first and a second unmanned vehicle in the same local area network. The method comprises: in the first unmanned vehicle, performing i iterations of chaotic mapping encryption on an image captured by the first unmanned vehicle to obtain a chaotic unordered image and a chaotic mapping key; uploading the chaotic unordered image to a shared folder on the local area network; encrypting the file name of the chaotic unordered image and the chaotic mapping key using an encryption key of a symmetric or asymmetric encryption algorithm to obtain a ciphertext; and in response to receiving a request for access to the image from the second unmanned vehicle, sending the ciphertext and the symmetric encryption key or the asymmetric encryption decryption key to the second unmanned vehicle. The present invention can greatly increase the difficulty of deciphering encrypted images and ensure the security of the images.

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.

The present invention discloses a face verification privacy protection method and device. By loading the model parameters optimized by the present invention into the perturbation migration network T, corresponding privacy-protected image adversarial samples can be generated according to different facial images to be protected of different users. By uploading the privacy-protected image adversarial samples to the social platform, even after the platform's image compression processing, it cannot perform effective information processing activities after being captured by unauthorized malicious third parties, thereby ensuring the privacy security of users in the image sharing service process. The privacy-protected adversarial samples generated by the method of the present invention are real and natural. Through the two-stage collaborative generation framework of the user end and the server end, it is ensured that the server end does not need to obtain the user's original image in the process of constructing the adversarial sample, effectively avoiding the problem of information leakage of the user image on the server end, and enhancing the security of the privacy protection process itself.

The invention relates to the field of image data processing, in particular to a garden map updating method and system based on live-action image sharing and a storage medium, landscape elements of air-to-ground images of a garden space are classified and spatially associated, a plurality of garden pattern distribution map layers are generated, and an expected updating area is calibrated according to picture disturbance characteristics of the map layers; preprocessing the live-action image to form a plurality of live-action image libraries, and screening and fusing the live-action images of the image libraries to obtain an optimized live-action image; and filling and fusing the optimized live-action image and the expected updating area, and overlapping all the filled and fused garden pattern distribution diagrams to obtain a garden map. According to the method, detail updating combined with the real-scene image can be implemented on different landscape elements in the garden space, local refined real-scene image fusion can be performed on the garden map, matching consistency of the map and the garden field condition is realized, and map information refinement is 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.

The invention discloses a picture sharing method and a related device, and in the method, a picture sharing strategy can be set in electronic equipment. In the process that the user shares the picture through the electronic equipment, after the user selects the target picture, the electronic equipment can share the target quality picture of the target picture based on the picture sharing strategy. The picture quality of the target quality picture at least comprises the first quality and the second quality, and the electronic equipment can flexibly select the picture quality of the target quality picture based on the picture sharing strategy and the load condition of the electronic equipment. In this way, the situation that the electronic device fails to share the picture or the picture sharing time is too long due to the fact that the target quality picture is not generated can be avoided.

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 relates to a multi-display-screen interactive display system and method, a storage medium and electronic equipment, and relates to the technical field of information display, the system comprises VR display equipment and naked eye 3D display equipment, the VR display equipment is used for responding to a first projection screen interactive control event for a first projection screen interactive control, and the naked eye 3D display equipment is used for displaying the first projection screen interactive control event. Displaying a first scene picture in the VR display device to the naked eye 3D display device; or, in response to a first instruction interaction event for the first instruction control component, synchronizing the first operation instruction to the naked eye 3D display device; the naked eye 3D display device is used for displaying a second scene picture in the naked eye 3D display device to the VR display device in response to a second screen projection interaction control event for the second screen projection interaction control; or in response to a second instruction interaction event for the second instruction control component, synchronizing the second operation instruction to the VR display equipment. According to the invention, picture sharing between the VR display device and the naked-eye 3D display device is realized.

The invention provides a picture processing method and device, a terminal, a storage medium and a product, and belongs to the technical field of computers. Comprising the following steps: displaying a current interface, and detecting a triggered touch operation in the current interface; when the touch operation is used for calling out a drawing interface, the drawing interface is displayed on the upper layer of the current interface in an overlapping mode, and picture drawing is conducted based on the drawing interface; and automatically copying the drawn first picture to the pasteboard. According to the application, the efficiency of obtaining the first picture subsequently is improved by improving the display efficiency of the drawing interface, and the efficiency of obtaining the first picture by a terminal is improved by automatically copying the drawn first picture to the pasteboard. Therefore, the efficiency of obtaining the first picture is improved through two aspects. For example, when the method is applied to a picture sharing scene, the picture sharing efficiency can be improved; in addition, when the method is applied to a picture search scene, the picture search efficiency can be improved.

To provide a system for managing an object person's weight, body fat percentage, and muscle mass.SOLUTION: A system is a system for managing daily weight, a body fat percentage, and muscle mass in conjunction with a body composition scale, and includes means for allowing an object person to input a target value, means for allowing the object person to input daily food and drink, an exercise status, and a training time, and means for presenting food and drink and recommendation training on the next day on a moving image sharing site.SELECTED DRAWING: Figure 1

The invention provides an aerial image sharing method and system, and relates to the technical field of data security, and the system comprises an image analysis module which is used for calculating the texture complexity of an image to be transmitted; the image segmentation module is used for carrying out image segmentation on the to-be-transmitted image to obtain a plurality of image sub-bodies; the contour extraction module is used for performing contour extraction on the to-be-transmitted image to obtain contour feature information of the to-be-transmitted image; the screening module is used for screening a target sub-body from the plurality of image sub-bodies; the identity authentication module is used for performing identity authentication on the requester based on the image transmission request; and the image sharing module is used for randomly arranging the plurality of image daughters, sequentially transmitting the image daughters to the requester, determining a recombination serial number based on a transmission sequence, generating an image reconstruction ciphertext and sending the image reconstruction ciphertext to the requester. According to the invention, safe and efficient sharing of aerial images can be realized.

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.