Abstract: Disclosed are a method and apparatus for measuring a gaze difference based on gaze estimation. Video data of a testee gazing at a visual target is obtained, and a face image sequence is obtained from the video data. The face image sequence is input into a first neural network for key frame extraction to obtain a first and second gaze position face image. The face images are input into a second neural network for facial feature point extraction. Cropping is performed based on facial feature point coordinates to obtain a first and second eye region image. A gaze difference estimation network is trained to obtain a trained gaze difference estimation network. The first and second eye region images are input into the trained gaze difference estimation network to obtain a predicted gaze difference between the first and second eye region images.

Abstract: Disclosed is a method and apparatus for measuring a deviation angle of a gaze position based on 3D reconstruction. A face image sequence of a testee is acquired. Covering conditions of the face image sequence are obtained. Key frame images are determined and input into a second neural network to obtain feature point heat maps that are converted into facial feature point coordinates. An objective function is constructed. A head pose corresponding to the key frame images is obtained. An eyeball position is initialized. An eyeball rotation angle of a reference gaze position is set as a preset angle. 3D coordinates of an eyeball in a reference gaze position image in a head coordinate system is solved. 3D coordinates of an eyeball in a to-be-measured image in the head coordinate system are fixed. An eyeball rotation angle is solved. A deviation angle of a gaze position is obtained.

Abstract: A method and an apparatus for protecting privacy of an ophthalmic patient and a storage medium are disclosed. The method includes: acquiring an examination video of the ophthalmic patient; extracting image features of each frame of images in the examination video, performing region division on each frame of the images according to position information of organs in the image features, and obtaining a region to be precisely reconstructed and a region to be roughly reconstructed according to a region division result; performing three-dimensional (3D) reconstruction on the region to be precisely reconstructed and the region to be roughly reconstructed, to obtain 3D reconstruction data corresponding to each frame of the images; and rendering all the 3D reconstruction data into a 3D reconstruction video.

Abstract: An iscsi multi-path management system includes a connection module and a routing module deployed at a client. The routing module is adapted to update and maintain a routing table according to real-time updates, the routing table records legitimate paths conforming to a black/white list rule. The connection module includes a connector and a storage volume manager, the connector is adapted to search for an iscsi target that conforms to the black/white list rule at a storage end, establish an iscsi session through a legitimate path, and notify the storage volume manager to execute a mount volume operation; and the connector is further adapted to regularly recheck the established iscsi session according to an updated black/white list rule, and regularly update and acquire the iscsi target at the storage end, so as to establish the iscsi session with the newly acquired iscsi target that conforms to the updated black/white list rule.

Abstract: The present disclosure provides a purification straw and a portable drinking device using the purification straw. The purification straw includes a main body and a filtering element. The main body includes a first cavity, a first inlet communicating with the first cavity and a first outlet communicating with the first cavity. The filtering element is located in the first cavity. The filtering element includes a first pipe portion and a bottom portion connected with a first end of the first pipe portion. A second cavity is surrounded by the first pipe portion and the bottom portion and a second outlet communicating with the second cavity located at a second end of the first pipe portion far away from the first end, the bottom portion is located between the second end and the first inlet, a gap located between the first pipe portion and the main body.

Abstract: An iscsi multi-path management system includes a connection module and a routing module deployed at a client. The routing module is adapted to update and maintain a routing table according to real-time updates, the routing table records legitimate paths conforming to a black/white list rule. The connection module includes a connector and a storage volume manager, the connector is adapted to search for an iscsi target that conforms to the black/white list rule at a storage end, establish an iscsi session through a legitimate path, and notify the storage volume manager to execute a mount volume operation; and the connector is further adapted to regularly recheck the established iscsi session according to an updated black/white list rule, and regularly update and acquire the iscsi target at the storage end, so as to establish the iscsi session with the newly acquired iscsi target that conforms to the updated black/white list rule.

Abstract: A method and an apparatus for protecting privacy of an ophthalmic patient and a storage medium are disclosed. The method includes: acquiring an examination video of the ophthalmic patient; extracting image features of each frame of images in the examination video, performing region division on each frame of the images according to position information of organs in the image features, and obtaining a region to be precisely reconstructed and a region to be roughly reconstructed according to a region division result; performing three-dimensional (3D) reconstruction on the region to be precisely reconstructed and the region to be roughly reconstructed, to obtain 3D reconstruction data corresponding to each frame of the images; and rendering all the 3D reconstruction data into a 3D reconstruction video.

Abstract: The invention relates to an artificial intelligence cataract analysis system, including a pattern recognition module for recognizing a photo mode of an input eye image, wherein the photo mode is divided according to the slit width of the illuminating slit during photographing of the eye image and/or whether a mydriatic treatment is carried out; a preliminary analysis module used for selecting a corresponding deep learning model for eye different photo modes, analyzing the characteristics of lens in the eye image by using a deep learning model, and further performing classification in combination with cause and severity degree of a disease. The invention can perform cataract intelligent analysis on eye images with different photo modes by using deep learning models, so that the analysis accuracy is improved.

Abstract: The invention relates to an artificial intelligence cataract analysis system, including a pattern recognition module for recognizing a photo mode of an input eye image, wherein the photo mode is divided according to the slit width of the illuminating slit during photographing of the eye image and/or whether a mydriatic treatment is carried out; a preliminary analysis module used for selecting a corresponding deep learning model for eye different photo modes, analyzing the characteristics of lens in the eye image by using a deep learning model, and further performing classification in combination with cause and severity degree of a disease. The invention can perform cataract intelligent analysis on eye images with different photo modes by using deep learning models, so that the analysis accuracy is improved.

Abstract: The invention relates to an artificial intelligence eye disease screening service method and a system, in which the method includes acquiring the ophthalmic examination data of a user, in which the ophthalmic examination data is obtained by a technician in a primary hospital through an ophthalmic examination on the user; performing the artificial intelligence screening on the ophthalmic examination data to obtain a screening result; determining whether the screening result is normal or not; generating an ophthalmic examination report if the screening result is normal; and uploading the ophthalmic examination data to ophthalmologists of the superior hospitals for review and generating an ophthalmic examination report according to the review if the screening result is abnormal. The invention can partly balance the ophthalmic resources between collaborative primary hospitals and superior hospitals, and achieve a large-scale and highly efficient eye disease screening with wide coverage.

Abstract: A transformable bed for examinations in pediatric ophthalmology, especially suitable for the use of general anesthesia when conducting eye examinations, is provided. The bed may include a fixed bed board, a movable bed board, a movable seat, a movable support, a securing strap, and a main frame. The bed may be fixedly connected to the top of the main frame, the movable bed board may be rotationally connected to the top of the main frame, and the movable seat may be rotationally connected to the top of the main frame. The securing strap may be disposed on the movable bed board, in which one end of the movable support may be removably connected to the movable bed board, and another end may be removably connected to the main frame. The transformable bed may function both as an anesthesia bed and a handcart, and may be quickly switched therebetween.

Abstract: A transformable bed for examinations in pediatric ophthalmology, especially suitable for the use of general anesthesia when conducting eye examinations, is provided. The bed may include a fixed bed board, a movable bed board, a movable seat, a movable support, a securing strap, and a main frame. The bed may be fixedly connected to the top of the main frame, the movable bed board may be rotationally connected to the top of the main frame, and the movable seat may be rotationally connected to the top of the main frame. The securing strap may be disposed on the movable bed board, in which one end of the movable support may be removably connected to the movable bed board, and another end may be removably connected to the main frame. The transformable bed may function both as an anesthesia bed and a handcart, and may be quickly switched therebetween.