Abstract: Disclosed herein are an apparatus for estimating a camera pose using multi-view images of a 2D array structure and a method using the same. The method performed by the apparatus includes acquiring multi-view images from a 2D array camera system, forming a 2D image link structure corresponding to the multi-view images in consideration of the geometric structure of the camera system, estimating an initial camera pose based on an adjacent image extracted from the 2D image link structure and a pair of corresponding feature points, and estimating a final camera pose by reconstructing a 3D structure based on the initial camera pose and performing correction so as to minimize a reprojection error of the reconstructed 3D structure.

Abstract: The present disclosure discloses an image/video feature descriptor extraction method and apparatus for image/video search. An image/video feature descriptor extraction method may comprise obtaining a search requested image/video from a user, performing spatio-temporal transformation on the search requested image/video, extracting a feature map from the image/video subjected to the spatio-temporal transformation, and extracting an image/video feature descriptor by applying TNIP (Temporal Nested Invariance Pooling) to the feature map.

Abstract: A layered structure, an article such as circuit board including such a layered structure, and methods of making the same are provided. The layered structure includes a substrate comprising glass or glass ceramic, an adhesion layer disposed on the substrate, a seed layer disposed on the adhesion layer, a first conductive layer disposed on the seed layer, and a second conductive layer disposed on the first conductive layer. The seed layer includes a first metal material and has a first type of stress with respect to the substrate. The first conductive layer includes the first metal material and has a second type of stress with respect to the substrate. The second conductive layer includes a second metal material and has the first type of stress with respect to the substrate. The layered structure may further include additional pairs of alternating layers of the first and the second conductive layers.

Abstract: A device, method, and system for restoring a 3D shape based on multiple light sources are disclosed. A method performed by a device may include obtaining a set of measured images of a specimen by photographing the specimen under different lighting conditions; defining a first three-dimensional grid within a 3D reconstruction area including all or part of the specimen; obtaining a first set of coordinate values for calculating a scattering potential value within a first 3D grid or a frequency grid region corresponding to the first 3D grid; and obtaining a 3D refractive index distribution of the specimen based on the output data obtained through an artificial neural network model, and the artificial neural network model is trained based on differences between the set of predicted images and the set of the measured images.

Abstract: Disclosed herein are an image compression method and apparatus for machine vision. The image compression method includes determining a prediction mode for frames of an input image, generating a prediction frame and a residual image using an input frame, generating a reconstructed frame by adding the prediction frame to the residual image, extracting respective features of the input frame and the reconstructed frame, correcting the reconstructed frame based on a difference value between the extracted features and a bit rate of the residual image, and encoding the corrected frame.

Abstract: The present disclosure discloses an image/video feature descriptor extraction method and apparatus for image/video search. An image/video feature descriptor extraction method may comprise obtaining a search requested image/video from a user, performing spatio-temporal transformation on the search requested image/video, extracting a feature map from the image/video subjected to the spatio-temporal transformation, and extracting an image/video feature descriptor by applying TNIP (Temporal Nested Invariance Pooling) to the feature map.

Abstract: Disclosed herein a device tracking gaze and method therefor. The device includes: an image acquisition unit configured to obtain an eyeball image; a pupil detection unit configured to detect a center of pupil by using the eyeball image; a virtual corneal reflection light position generator configured to process the eyeball image so that a virtual corneal reflection light is located at a predetermined point in the eyeball image; and a PCVR vector generator configured to generate a pupil center virtual reflection vector (PCVR vector) based on a position of the pupil center and a position of the virtual corneal reflection light.

Abstract: Disclosed herein are an image compression method and apparatus for machine vision. The image compression method includes determining a prediction mode for frames of an input image, generating a prediction frame and a residual image using an input frame, generating a reconstructed frame by adding the prediction frame to the residual image, extracting respective features of the input frame and the reconstructed frame, correcting the reconstructed frame based on a difference value between the extracted features and a bit rate of the residual image, and encoding the corrected frame.

Abstract: Disclosed herein method and apparatus for simultaneous video retrieval and alignment. According to an embodiment of the present disclosure, there is provided a method for retrieving a video. The method comprising: detecting a section of interest in a query video that is a retrieval request video; producing one or more frame-level descriptor and a video-level descriptors for the query video by using key frames within the detected section of interest; and retrieving a reference video corresponding to the query video based on the frame-level descriptor and the video-level descriptor for the query video and one or more frame-level descriptor and a video-level descriptor for each of reference videos stored in a database.

Abstract: A backlight that includes a plurality of light sources coupled to a substrate, and a patterned diffuser over the plurality of light sources is disclosed. The patterned diffuser including a plurality of patterned reflectors coupled to a patterned diffuser body, where each patterned reflector is positioned to align with a corresponding light source. The backlight has a longitudinal direction, and the substrate and the patterned diffuser body have a maximum longitudinal substrate dimension (LMax,S) and a maximum longitudinal patterned diffuser body dimension (LMax,PDB), respectively, in the longitudinal direction. The backlight has a thermal alignment tolerance in the longitudinal direction at 60° C. is 500 microns or less, where the thermal alignment tolerance at the 60° C. is the absolute value of [the smaller of LMax,S and LMax,PDB] x [60° C. - 23.5° C. (room temperature)] x [substrate coefficient of thermal expansion (CTES) - light guide plate coefficient of thermal expansion (CTEPDB)].

Abstract: Disclosed herein are an apparatus for estimating a camera pose using multi-view images of a 2D array structure and a method using the same. The method performed by the apparatus includes acquiring multi-view images from a 2D array camera system, forming a 2D image link structure corresponding to the multi-view images in consideration of the geometric structure of the camera system, estimating an initial camera pose based on an adjacent image extracted from the 2D image link structure and a pair of corresponding feature points, and estimating a final camera pose by reconstructing a 3D structure based on the initial camera pose and performing correction so as to minimize a reprojection error of the reconstructed 3D structure.

Abstract: A method of providing content related to capture of a medical image of an object is provided. The method includes acquiring at least one of information related to a state of the object and information related to a capture protocol, determining content to be provided to the object on a basis of the acquired information, and outputting the determined content.

Abstract: Provided is a thin glass-laminated printed steel sheet comprising: a printed steel sheet including a metal sheet and a printed layer on which a design or a pattern having a high resolution of 300 dpi or higher is printed on a surface of the metal sheet; an adhesive layer formed by curing an ultraviolet curable adhesive solution on the printed steel sheet, having a thickness of 10 to 100 ?m, and being transparent; and a flexible thin glass attached by the adhesive layer, wherein a reference value for color density (Dmax Comparison) is higher than 1.6, as measured by a spectrophotometer.

Abstract: Disclosed herein is a method for rectifying a 2D multi-view image. The method for rectifying a 2D multi-view image according to an embodiment of the present disclosure may include: detecting uniformly the at least one feature point in each region unit distinguished by considering a distribution of feature points of a plurality of input images: removing an error of the least one feature point; determining a corresponding pair for a vertical or horizontal direction of the at least one feature point; by considering an arrangement relationship of the plurality of input images, projecting the at least one feature point onto a projection plane; determining a disparity error for a corresponding pair for the at least one feature point that is projected onto the projection plane; and, by considering the disparity error, performing image rectification based on the at least one feature point.

Abstract: Disclosed herein a device tracking gaze and method therefor. The device includes: an image acquisition unit configured to obtain an eyeball image; a pupil detection unit configured to detect a center of pupil by using the eyeball image; a virtual corneal reflection light position generator configured to process the eyeball image so that a virtual corneal reflection light is located at a predetermined point in the eyeball image; and a PCVR vector generator configured to generate a pupil center virtual reflection vector (PCVR vector) based on a position of the pupil center and a position of the virtual corneal reflection light.

Abstract: A glass lamination article includes a resin layer in contact with a base substrate such that a first interface is formed therebetween, and a glass substrate layer in contact with the resin layer such that a second interface is formed therebetween, wherein the resin layer may be an ultraviolet (UV)-curable resin layer. The glass lamination article has excellent impact resistance and strength, as well as excellent waviness.

Abstract: The MRI apparatus includes a processor configured to apply a gradient echo pulse sequence that makes a sum of gradients applied during one repetition time (TR) in a slice selection direction, a phase encoding direction, and a frequency encoding direction equal zero and maintains spins in an object in a steady state; alternately apply, while the gradient echo pulse sequence is continuously applied, a first radio frequency (RF) pulse having a first flip angle and a second RF pulse having a second flip angle that is different from the first flip angle at each TR interval; and generate an MR image based on an echo signal acquired when the spins are in the steady state.

Abstract: Provided are a silicon ingot slicing apparatus capable of slicing silicon ingots in various forms such as blocks or wafers using microbubbles and wire electric discharge machining.