Abstract: A frame rate conversion apparatus includes a memory to store a plurality of frames forming an input image, the plurality of frames including a current frame which includes a plurality of areas; and a processor configured to generate an interpolation frame by performing, with respect to an object area, an interpolation which is different from the interpolation applied to other areas, of the plurality of areas, the object area being an area which includes an object and in which at least one among a size, a speed, and a shape of the object satisfies a certain condition, and to insert the interpolation frame between the current frame and an adjacent frame.

Abstract: Provided is method and apparatus of compressing and restoring an image using filter information. The image compression apparatus may generate a reduced image by sampling an input image, determine filter information based on the input image and a decoded reduced image, and code the filter information and the decoded reduced image. Accordingly, a deterioration in an image quality may be prevented in transmitting the image using a limited bandwidth.

Abstract: A method and apparatus for generating a 3K-resolution display image for a mobile terminal screen are disclosed. The method includes: receiving an input image; selecting a 3K resolution as a resolution of an image to be reproduced on the mobile terminal screen of a predetermined size, based on human cognitive characteristics and resolution analytical ability with respect to the mobile terminal screen; and generating a display image having the selected 3K resolution by using the input image.

Abstract: A method and apparatus for generating a hologram pattern using depth quantization may generate a hologram pattern corresponding to a three-dimensional (3D) object in a hologram plane using color image information of the 3D object and a point of the 3D object included in a quantized depth layer.

Abstract: A frame rate conversion apparatus includes a memory to store a plurality of frames forming an input image, the plurality of frames including a current frame which includes a plurality of areas; and a processor configured to generate an interpolation frame by performing, with respect to an object area, an interpolation which is different from the interpolation applied to other areas, of the plurality of areas, the object area being an area which includes an object and in which at least one among a size, a speed, and a shape of the object satisfies a certain condition, and to insert the interpolation frame between the current frame and an adjacent frame.

Abstract: A video encoding and decoding methods and apparatuses for performing the methods thereof are provided. The video encoding method includes: determining a region in a current image having a change in at least one of a scale and an angle with respect to a reference image; generating variation information representing a variation in at least one of the scale and the angle between the region in the current image and a reference region in the reference image corresponding to the region in the current image; and encoding residual information representing a difference between a predicted sample value from the reference image and a sample value of the current image based on the generated variation information.

Abstract: Provided is a video processing device and method capable of managing a security level of content included in a video. The video processing method includes: receiving an identifier of a video and information about a security policy to be set to the video; receiving security information related to the security policy; preparing the video by using the received identifier of the video; and updating security information of the prepared video by using the received security information according to the security policy.

Abstract: Provided is an apparatus and method for generating a hologram pattern with a reduced amount of computation. The apparatus may include a reference depth layer setting unit configured or having a capacity to set a reference depth layer using data associated with a three-dimensional (3D) object, a first hologram pattern generating unit configured to generate a first hologram pattern corresponding to the 3D object in the reference depth layer, and a second hologram pattern generating unit configured to generate a second hologram pattern in a hologram plane using the first hologram pattern.

Abstract: A multi-view video encoding/decoding apparatus and method are provided. The multi-view video encoding/decoding apparatus encodes the current block which is to be encoded and which belongs to a frame of a first view point, wherein the encoding is performed in accordance with a first skip mode using the frame of the first view point or a second skip mode using the frame of a second view point, thereby improving encoding efficiency.

Abstract: An apparatus for generating a hologram that may generate a three-dimensional (3D) hologram pattern at a high speed may include a pattern setting unit to set points for which hologram patterns are to be generated with respect to a one-eighth area of an entire area for which a hologram pattern is to be generated, a calculation unit to calculate pattern values for a plurality of reference points selected with respect to the one-eighth area of the entire area, and to generate a pattern for the one-eighth area using recurrent interpolation, and a pattern duplicating unit to complete a pattern for the entire area by duplicating the generated pattern for the one-eighth area.

Abstract: Provided is a video processing device and method capable of enhancing security of content included in a video, the video processing device including: a loader configured to load an original video; an encoder configured to generate an encoded video including a header and a payload by encoding the loaded original video; and a security information inserter configured to insert security information comprising information about a reproduction right of the video into the header or the payload.

Abstract: An inter-view video decoding method may include determining a disparity vector of a current second-view depth block by using a specific sample value selected within a sample value range determined based on a preset bit-depth, detecting a first-view depth block corresponding to the current second-view depth block by using the disparity vector, and reconstructing the current second-view depth block by generating a prediction block of the current second-view depth block based on coding information of the first-view depth block.

Abstract: A method and apparatus for fast generation of a hologram image. The method may include generating a point hologram corresponding to each three-dimensional (3D) point using sub-sampling, generating a hologram pattern using the generated point hologram, and generating a 3D hologram by interpolating the generated hologram pattern.

Abstract: Provided are a content security method and an electronic apparatus for providing a content security function. The content security method according to an embodiment of the present invention includes: generating a security key used to decrypt security content; generating a security message based on the security key, content transmitter identification information, and content receiver identification information; generating the security content by encrypting content; and transmitting the security content and the security message to an external electronic apparatus.

Abstract: Provided is a multilayer video decoding method including acquiring reset information indicating whether to reset a picture order count (POC) of a current picture, resetting a higher bit of the POC of the current picture based on the reset information, and decoding the current picture by using the reset POC.

Abstract: An inter-layer video decoding method according to an embodiment may include: reconstructing a color image and a depth image of a first layer based on encoding information about the color image and the depth image of the first layer obtained from a bitstream; when it is determined that a prediction mode of a current block of a second layer image to be decoded is a view synthesized prediction mode wherein prediction is performed based on an image synthesized from the first layer image, determining whether to perform luminance compensation on the second layer current block to be reconstructed; and reconstructing the current block by determining whether to apply a view synthesized prediction mode to the current block, according to a result of the determining of whether to perform the luminance compensation.

Abstract: Provided is a multilayer video decoding method including obtaining a multilayer video bitstream; determining, based on the obtained multilayer video bitstream, whether or not a default reference type, in which at least one layer is inter-layer predicted by using at least one reference layer by default, is used; and inter-layer predicting the at least one layer by using the at least one reference layer according to the default reference type, based on the determining of whether or not the default reference type is used, and decoding an image including the at least one layer.

Abstract: Region-based encoding apparatus and decoding apparatus. The encoding apparatus selects an optimum region division mode from region division modes with respect to regions divided from an image frame, and transmits, to the decoding apparatus, an optimum image filtering method and an optimum filter coefficient of regions divided, according to the optimum region division mode.

Abstract: Multilayer video encoding/decoding methods and apparatuses are provided. A multilayer video decoding method includes: obtaining inter-layer prediction allowance information from a bitstream; obtaining single layer use information from the bitstream when the inter-layer prediction allowance information indicates that inter-layer prediction is usable; determining at most only one layer among at least one layer, to which a current picture refers, as a reference layer when the single layer use information indicates that at most one picture is used for inter-layer prediction; and performing inter-layer prediction on the current picture by using a picture belonging to the reference layer.

Abstract: A multi-layer video encoding/decoding method and a multi-layer video encoding/decoding apparatus are provided. In the multi-layer video encoding method, image data is encoded to a multi-layer encoded image, at least one of encoded layers of a target output layer set is determined as an output layer, an index of at least three output layer subsets including at least one output layer from among the encoded layers of the target output layer set are generated based on the determined output layer, and a bitstream including the generated index and the multi-layer encoded image is generated.