Abstract: Provided is an image processing apparatus that may determine whether indirect lights are to be assigned to tiles for tile-based deferred rendering. For example, the image processing apparatus includes a calculator configured to calculate a correlation based on at least one of a first vector representing an object normal direction of a tile to be rendered and a second vector corresponding to a normal vector of an indirect light to be determined to be assigned to the tile, and a determiner configured to determine whether the indirect light is to be assigned to the tile by comparing the correlation to a threshold value.

Abstract: An image processing apparatus includes a first shader configured to perform a light shading operation associated with at least one light source on a three-dimensional (3D) model at a first resolution to obtain a light shading result of the first resolution; a second shader configured to perform a surface shading operation on the 3D model at a second resolution different from the first resolution to obtain a surface shading result of the second resolution; and a processor configured to generate a rendering result by combining the light shading result of the first resolution with the surface shading result of the second resolution.

Abstract: Provided is a method and corresponding apparatus to model a deformable body. The method includes obtaining a material property corresponding to an internal skeletal structure of a deformable body. The method calculates a displacement amount of the skeletal structure according to a motion of the deformable body, based on a boundary condition of the skeletal structure, and the material property. The method further calculates displacement amounts of surface particles on a surface of the deformable body, based on the displacement amount of the skeletal structure, and models the deformable body based on the calculated displacement amounts of the surface particles.

Abstract: A method and corresponding apparatus to model objects includes detecting an overlapping area between first and second objects each comprising particles. The method and corresponding apparatus also calculate, in the overlapping area, an action force between the first and the second objects. The method and corresponding apparatus model the first object and the second object based on the action force.

Abstract: Provided is a method of modeling a target object, the method including obtaining information about the target object including an arrangement of particles including target particles, generating coarse particles by down-sampling the target particles, modeling a movement of the target object based on the coarse particles, and redefining the target particles based on a result of the modeling.

Abstract: Provided is a method of modeling a target object, that may obtain depth information from an image in which the target object is represented in a form of particles, obtain distance information between adjacent particles in the image, and detect a silhouette of the target object based on the depth information and the distance information between the adjacent particles in the image.

Abstract: A high precision signal sensing system and method using an infrared light is provided. The high precision signal sensing system may receive, from a light emitting device, a plurality of lights including a first light and a second light, may measure intensities of the first light and the second light, and may measure a light emitting intensity of the light emitting device based on an intensity difference between the measured light receiving intensities.

Abstract: Provided is a method and apparatus for modeling objects that may include detecting an adjacent area that shares modeled particles of a first object and modeled particles of a second object, calculating an action force between the first object and the second object in the adjacent area based on information stored for grid points of a grid defined with respect to the adjacent area, and modelling the first object and the second object based on the calculated action force.

Abstract: Provided are a method and a corresponding apparatus for modeling a deformable body including particles that define a strain energy generated by an external force with respect to a deformable body including particles, and control a displacement of the deformable body based on a volume of the particles corresponding to the displacement of the deformable body, where the displacement is determined based on the strain energy.

Abstract: At least some example embodiments disclose a method and device for displaying a background image that may change an arrangement of an object based on image information associated with the background image and change a visual effect with respect to an adjacent region of the object.

Abstract: Provided is a method of generating a model, the method including generating a first model representing a change in the location or the shape of the region of interest during the respiration cycle, using diagnostic images that are obtained at two points of time in the respiration cycle and that represent the region of interest; extracting shape information of one or more tissues included in the region of interest at a shape information extractor, using a 3D ultrasound image that is obtained at one point of time in the respiration cycle; determining a characteristic point of the 3D ultrasound image corresponding to a characteristic point of the first model by matching the first model with the extracted shape information; and generating a second model by updating the first model with the determined characteristic point.

Abstract: An image processing apparatus and method are provided. The image processing method may generate a mask for preventing a virtual light source from being sampled on an area of a current image frame based on virtual light source information of a previous image frame, applying the mask to the current image frame, sampling the virtual light source in the current image frame to which the mask is applied, and rendering the current image frame based on the virtual light source sampled in the current image frame.

Abstract: A display method includes displaying, in a virtual environment, an object to which a light source is set. The method further includes illuminating an area around the object based on the light source.

Abstract: An apparatus and method of estimating a three-dimensional (3D) position and orientation based on a sensor fusion process. The method of estimating the 3D position and orientation may include determining a position of a marker in a two-dimensional (2D) image, determining a depth of a position in a depth image corresponding to the position of the marker in the 2D image to be a depth of the marker, estimating a 3D position of the marker calculated based on the depth of the marker as a marker-based position of a remote apparatus, estimating an inertia-based position and an inertia-based orientation by receiving inertial information associated with the remote apparatus, estimating a fused position based on a weighted sum of the marker-based position and the inertia-based position, and outputting the fused position and the inertia-based orientation.

Abstract: A high precision signal sensing system and method using an infrared light is provided. The high precision signal sensing system may receive, from a light emitting device, a plurality of lights including a first light and a second light, may measure intensities of the first light and the second light, and may measure a light emitting intensity of the light emitting device based on an intensity difference between the measured light receiving intensities.

Abstract: An image processing method includes determining a number of virtual point light (VPL) samplings for each area of a current frame, applying VPLs sampled in a previous frame to the current frame, adjusting a result of the applying based on the determined number of VPL samplings, and rendering the current frame based on VPLs sampled in the current frame.

Abstract: A generator of an image processing apparatus may generate a light transport map (LTM) by sampling depth information from a light to an object based on a transparency of the object, wherein the LTM may be used to compute a visibility of the light with respect to a first point to be rendered.

Abstract: An apparatus for estimating a camera pose includes an image acquisition unit to acquire a photographed image, a motion sensor to acquire motion information of the apparatus for estimating the camera pose, a static area detector to detect a static area of the photographed image based on the photographed image and the motion information, and a pose estimator to estimate a camera pose based on the detected static area.

Abstract: A method of controlling an electronic device includes displaying a three-dimensional (3D) virtual space comprising at least one 3D object, receiving a correspondence command to make a two-dimensional (2D) icon for executing an application correspond to a first object among the at least one 3D object; and assigning an attribute of the 2D icon to the first object.

Abstract: Provided are an electronic device including a transparent display and a method of controlling the electronic device, the method including acquiring a first image based on an optical display mode in which light incident from an object is transmitted; acquiring a second image based on a video display mode in which an image captured from the object is displayed; and displaying the first image and the second image on the transparent display by mixing the first image and the second image.