Abstract: A duty cycle correction circuit includes a duty correction circuit, an information generation circuit and a duty control circuit. The duty correction circuit corrects a duty rate of an input clock signal based on a duty control code to generate an output clock signal. The information generation circuit compares a difference between operation power voltages based on an operation mode to generate voltage information. The duty control circuit receives the voltage information from the information generation circuit and generates the duty control code that includes the voltage information based on a duty rate of the output clock signal.

Abstract: Provided is an apparatus for image encoding, the apparatus including: a transmitter memory configured to store a program for encoding a stereoscopic 3D image; and an encoding processor configured to execute the program stored in the transmitter memory, wherein the encoding processor is configured to: generate a first stream and a second stream from a left image and a down-converted right image, decode the first stream and the second stream to generate a decoded left image and a first decoded right image; generate a third stream from the decoded left image, the first decoded right image, and an original right image, and decode the third stream to generate a second decoded right image; and generate a fourth stream from the second decoded right image and the original right image.

Abstract: A method and apparatus for generating additional information used to reconstruct an additional image through steps of: generating information for movement compensation based on the original right image of the stereoscopic image and the previous frame of the right image; and generating first additional information for reconstructing the right image to a high resolution based on the original right image and the information for movement compensation are provided.

Abstract: An image monitoring system for vehicle for detecting a left lane area and a right lane area behind a vehicle using a region of interest (ROI) is provided. The system includes a rear camera, a memory configured to store an image obtained from the rear camera, and a controller configured to be set to one of a driving mode and a parking mode based on whether the vehicle is traveling and to detect an event from the image obtained from the rear camera. The controller set to the driving mode sets the ROI corresponding to the left lane area and the right lane area behind the vehicle on the image obtained from the rear camera, while the vehicle is traveling, detects whether an object is located on or enters the ROI, and notifies a driver of the vehicle of the detected result using an alarm.

Abstract: An apparatus for transmitting 3DTV broadcasting encodes a base video using scalable video coding (SVC) or scalable high efficiency video coding (SHVC) scheme to generate a base layer stream and an enhancement layer stream of the base video, encodes each of an additional video and video enhancement information data for enhancing video quality of the additional video, transmits the base layer stream and the enhancement layer stream of the base video through a base layer channel and an enhancement layer channel, respectively, and transmits the encoded additional video and the encoded video enhancement information data through the base layer channel or the enhancement layer channel.

Abstract: Provided is an apparatus and method for reproducing a three-dimensional (3D) image. A 3D image reproduction apparatus may include an image selector configured to select a left-eye image and a right-eye image based on a broadcast standard of a broadcast stream, and an image outputter configured to output the 3D image by synthesizing and output the left-eye image and the right-eye image in a 3D image format.

Abstract: An apparatus for transmitting 3DTV broadcasting generates base video data by coding additional video, generates enhanced layer data by coding a correlation video between the base video and a video decodable from the base layer stream, and transmits the base layer data and the enhanced layer data.

Abstract: Disclosed are a method and apparatus for providing a three-dimensional (3D) broadcast service using images with asymmetric aspect ratios and a method and apparatus for reproducing a 3D broadcast service. The method of providing the 3D broadcast service includes adjusting a second viewpoint image to be composed with a first viewpoint image into a 3D form with respect to the first viewpoint image and the second viewpoint image for 3D broadcasting, encoding the first viewpoint image and the adjusted second viewpoint image, and generating a broadcast stream of the first viewpoint image and a broadcast stream of the second viewpoint image by multiplexing the first viewpoint image and the second viewpoint image.

Abstract: An apparatus and a method for synchronizing left and right streams in a stationary/mobile hybrid 3DTV are disclosed. The apparatus according to an exemplary embodiment may synchronize content streams corresponding to left and right images using a timestamp pairing mode, a timestamp offset mode, and a network time protocol (NTP) synchronization mode.

Abstract: Provided is a video providing method and a video playing method for a three-dimensional (3D) video, and an apparatus for performing the methods. The video providing method may transmit a reconstruction mode for reconstructing a low-resolution additional video having lower resolution than a high-resolution reference video.

Abstract: An apparatus for transmitting 3DTV broadcasting generates base video data by coding additional video, generates enhanced layer data by coding a correlation video between the base video and a video decodable from the base layer stream, and transmits the base layer data and the enhanced layer data.

Abstract: A boundary information providing apparatus may include a boundary information generation unit to generate boundary information of a video, the boundary information through which a switching point between a 2D video and a 3D video is recognized, based on a switching mode between the 2D video and the 3D video, and a stream transmission unit to transmit a stream including the boundary information to a video receiving apparatus.

Abstract: An image monitoring system for vehicle for detecting a left lane area and a right lane area behind a vehicle using a region of interest (ROI) is provided. The system includes a rear camera, a memory configured to store an image obtained from the rear camera, and a controller configured to be set to one of a driving mode and a parking mode based on whether the vehicle is traveling and to detect an event from the image obtained from the rear camera. The controller set to the driving mode sets the ROI corresponding to the left lane area and the right lane area behind the vehicle on the image obtained from the rear camera, while the vehicle is traveling, detects whether an object is located on or enters the ROI, and notifies a driver of the vehicle of the detected result using an alarm.

Abstract: A content providing apparatus and method, and a content reproduction apparatus and method for accessing a content stream in a hybrid three-dimensional television (3DTV) are disclosed. The content providing apparatus may include a content stream generation unit to generate a first content stream corresponding to a reference image and a second content stream corresponding to a supplementary image, a descriptor generation unit to generate a descriptor associated with the first content stream and the second content stream, and a data transmission unit to transmit the first content stream, the second content stream, and the descriptor to a content reproduction apparatus.

Abstract: An apparatus for transmitting 3DTV broadcasting encodes a base video using scalable video coding (SVC) or scalable high efficiency video coding (SHVC) scheme to generate a base layer stream and an enhancement layer stream of the base video, encodes each of an additional video and video enhancement information data for enhancing video quality of the additional video, transmits the base layer stream and the enhancement layer stream of the base video through a base layer channel and an enhancement layer channel, respectively, and transmits the encoded additional video and the encoded video enhancement information data through the base layer channel or the enhancement layer channel.

Abstract: A method and apparatus for determining an image compression format of a 3-dimensional television (3DTV). The method may include encoding a high-quality image and transmitting the encoded high-quality image through a first channel, determining an image compression format in which a resolution of the encoded low-quality image is higher than or equal to a reference value in comparison to the high-quality image, and encoding the low-quality image according to the determined image compression format and transmitting, the encoded low-quality image through a second channel.

Abstract: A system and method for providing a three-dimensional (3D) broadcast service based on a retransmission network are provided. A 3D broadcast retransmission apparatus in a 3D broadcast service providing system may include a remultiplexer to remultiplex 3D TV service information in a received stream of a first broadcast network, based on a retransmission scenario, and to generate a stream of a retransmission network, and a retransmission network transmitter to transmit the stream of the retransmission network through the retransmission network.

Abstract: An image reproduction apparatus for a 3DTV and a processing method by the apparatus are disclosed. The image reproduction apparatus may determine an output time of a buffer to store a left image stream and a right image stream for a 3D image. The image reproduction apparatus may determine a buffer size or a buffer delay time using a reception time difference between the left image stream and the right image stream. Further, the image reproduction apparatus may correct a reference clock or a timestamp using the reception time difference between the left image stream and the right image stream.

Abstract: An image quality increasing apparatus for a binocular three-dimensional television (3DTV) is disclosed. The image quality increasing apparatus may include an error detection unit to detect whether a reference image includes an error, a reference information correction unit to correct reference information for increasing an image quality of an additional image based on a detection result, an image quality increasing unit to increase the image quality of the additional image corresponding to the reference information, and a three-dimensional (3D) image synthesis unit to synthesize a 3D image using the quality increased additional image and the reference image.

Abstract: Provided is an apparatus and method for reproducing a three-dimensional (3D) image. A 3D image reproduction apparatus may include an image selector configured to select a left-eye image and a right-eye image based on a broadcast standard of a broadcast stream, and an image outputter configured to output the 3D image by synthesizing and output the left-eye image and the right-eye image in a 3D image format.