Abstract: The present disclosure relates to biodegradable materials and methods of removing using the biodegradable materials to remove phosphorus from water. Additionally, the biodegradable materials may be used as a fertilizer.

Abstract: A method and an apparatus produce and reproduce Augmented Reality (AR) contents in a mobile terminal. In the method, contents are produced. An image including an object corresponding to the contents is recognized. Recognition information for the object corresponding to the contents is obtained based on a recognition result. AR contents including the contents and the recognition information are generated. Therefore, AR contents for an input image may be easily produced and reproduced, and the AR contents may be used as independent multimedia contents, not an auxiliary means of other contents.

Abstract: A method of forming birnessite ?-MnO2 nanosheets is provided. The method includes oxidizing manganese (Mn2+) in the presence of a source of nitrate and a light source.

Abstract: The present disclosure is directed to ultrafiltration membranes based on bacterial nanocellulose and graphene oxide. In particular, the present disclosure is directed to the novel design and incorporation of membranes for realizing new, highly efficient, and environmentally-friendly anti-biofouling membranes for water purification.

Abstract: An electronic device is provided that includes a display, a memory, and a processor. The processor is configured to control to display an image by using the display, to control to display an object on a first area of the image, at least based on a first user input, to determine a depth value of the object, at least based on a second user input, to control to display at least a portion of the object on the image, based on the determined depth value of the object and depth information of the first area, and to control to store, in the memory, depth data and color data of the image to which the object is added.

Abstract: Provided is an electronic device and method for providing three-dimensional (3D) map processing and a 3D map service. The electronic device includes a memory configured to store an image set and a map platform module which is functionally connected with the memory and is implemented with a processor. The map platform module is configured to obtain an image set comprising a plurality of images for a path on an external space surrounding the electronic device, to determine an area corresponding to an object included in the external space from at least one of the plurality of images, to obtain information about the object based on whether the object is configured to communicatively connect with the electronic device, and to display the information in association with the area through a display functionally connected with the electronic device. Other embodiments are also possible.

Abstract: An electronic device for providing map information associated with a space of interest is provided. The electronic device includes a display and a processor configured to display, on the display, at least a portion of a map including at least one node associated with at least one image photographed at a corresponding position of the space of interest and additional information on the at least one image, change, in response to an input or an event, a first image associated with a first node among the at least one node or first additional information on the first image, and display, on the map through the display, at least a portion of the changed first image or at least a portion of the changed first additional information.

Abstract: An electronic device and method for capturing an image are disclosed. The electronic device includes an image sensor configured to capture images, a location sensor configured to detect a location of the electronic device, and a processor. The processor may execute the method, which includes capturing a first image, and detecting a first location where the first image is captured, detecting, by a processor, a second location at which a second image is to be captured and generating guidance information for travel to the second location, and when a present location is within a predefined range of the second location, automatically capturing the second image.

Abstract: A method and an apparatus produce and reproduce Augmented Reality (AR) contents in a mobile terminal. In the method, contents are produced. An image including an object corresponding to the contents is recognized. Recognition information for the object corresponding to the contents is obtained based on a recognition result. AR contents including the contents and the recognition information are generated. Therefore, AR contents for an input image may be easily produced and reproduced, and the AR contents may be used as independent multimedia contents, not an auxiliary means of other contents.

Abstract: A method and an apparatus produce and reproduce Augmented Reality (AR) contents in a mobile terminal. In the method, contents are produced. An image including an object corresponding to the contents is recognized. Recognition information for the object corresponding to the contents is obtained based on a recognition result. AR contents including the contents and the recognition information are generated. Therefore, AR contents for an input image may be easily produced and reproduced, and the AR contents may be used as independent multimedia contents, not an auxiliary means of other contents.

Abstract: A virtual tour application or player provides a virtual environment in which a user can travel. One or more images may be displayed in the virtual tour application or player. The images are blended with each other to enable a user to feel more natural while he or she traveling in the virtual tour. Displaying a virtual tour in an electronic device is provided. A first image which corresponds to a first point included among a plurality of points along a route in a virtual tour is displayed. A second image which is registered with the first image and corresponds to a second point included among the plurality of points and different from the first point is displayed.

Abstract: Provided is an electronic device and method for providing three-dimensional (3D) map processing and a 3D map service. The electronic device includes a memory configured to store an image set and a map platform module which is functionally connected with the memory and is implemented with a processor. The map platform module is configured to obtain an image set comprising a plurality of images for a path on an external space surrounding the electronic device, to determine an area corresponding to an object included in the external space from at least one of the plurality of images, to obtain information about the object based on whether the object is configured to communicatively connect with the electronic device, and to display the information in association with the area through a display functionally connected with the electronic device. Other embodiments are also possible.

Abstract: An apparatus and a method for displaying images in an electronic device are provided. The electronic device includes a processor that obtains an image and a depth map corresponding to the image, separates the image into one or more areas based on the depth map of the image, applies an effect, which is different from at least one of other areas, to at least one of the areas separated from the image, and connects the areas, to which the different effects have been applied, as a single image, and a display that displays the single image.

Abstract: An electronic device for providing map information associated with a space of interest is provided. The electronic device includes a display and a processor configured to display, on the display, at least a portion of a map including at least one node associated with at least one image photographed at a corresponding position of the space of interest and additional information on the at least one image, change, in response to an input or an event, a first image associated with a first node among the at least one node or first additional information on the first image, and display, on the map through the display, at least a portion of the changed first image or at least a portion of the changed first additional information.

Abstract: A ray tracing method and apparatus in a 3-Dimensional (3D) image system. The method includes sampling for four vertexes of each pixel in a plurality of pixels, sampling for a pivot of the each pixel, and determining a color of the each pixel using the sampling result on the four vertexes and the pivot.

Abstract: An electronic device and method for capturing an image are disclosed. The electronic device includes an image sensor configured to capture images, a location sensor configured to detect a location of the electronic device, and a processor. The processor may execute the method, which includes capturing a first image, and detecting a first location where the first image is captured, detecting, by a processor, a second location at which a second image is to be captured and generating guidance information for travel to the second location, and when a present location is within a predefined range of the second location, automatically capturing the second image.

Abstract: A camera calibration method and medium and a 3-dimensional (3D) object reconstruction method and medium using the camera calibration method are provided. The camera calibration method includes setting a feature track by tracking and matching features in an input image sequence; estimating 3-dimensional (3D) points in relation to the features by initializing a structure and motion of the camera; estimating a pose of the camera by using the 3D points and refining the structure of the camera based on the estimated pose; and refining the pose of the camera.

Abstract: A three-Dimensional (3D) image conversion apparatus for converting a two-Dimensional (2D) image into a 3D image and a method for controlling the 3D image conversion apparatus are provided. The method includes displaying the 2D image to be converted into the 3D image, receiving a user input designating at least one object included in the 2D image, obtaining boundaries of the at least one object included in the 2D image based on the received user input to identify each of the at least one object, analyzing the 2D image including the at least one object to obtain depth information of each of the at least one object, and arranging the identified each of the at least one object based on the obtained depth information to generate the 3D image.

Abstract: A method of encoding a coordinate interpolator that includes key data and a key header including information regarding encoding of the key data, the key data representing the position of a key frame on a time axis. The method includes, encoding the key header and encoding the key data according to the result of the encoding performed in the encoding the key header. The encoding of the key data includes performing quantization on the key data according to the quantization bit size and generating differential data by performing differential pulse code modulation (DPCM) on the result of the quantization according to a DPCM order. The encoding of the key data also includes performing a divide-and-divide (DND) on the differential data so that a difference between a maximum and minimum of the differential data can be minimized and performing entropy encoding on the result of the DND.

Abstract: A method and an apparatus for encoding/decoding key value data of a coordinate interpolator used in a three-dimensional graphic animation are provided. The apparatus for encoding key value data of a coordinate interpolator representing the position of each vertex of an object using coordinates of each of the vertices including x, y, and z components includes a quantizer, which quantizes a coordinate interpolator input thereinto with predetermined quantization bits, a DPCM processor, which performs a DPCM operation of a predetermined mode on each component of each vertex of the quantized coordinate interpolator and generates differential data based on the temporal variation of the coordinates of each of the vertices and differential data based on the spatial variation of the coordinates of each of the vertices.