Abstract: An apparatus for correcting defective pixel values includes: an image sensor comprising a plurality of pixels; a data memory storing encoded location information about defective pixels, a location information decoder decoding the encoded location information, and a pixel corrector identifying the defective pixels from the pixels using the decoded location information, and interpolating pixel values of the defective pixels using pixel values of one or more neighboring pixels adjacent to each of the defective pixels.

Abstract: A surveillance system is provided. The surveillance system includes: a first frequency communication module configured to receive a first surveillance image from a first camera, and receive a second surveillance image from a second camera; a second frequency communication module configured to receive second frequency communication module notice information from the second camera; and a processor configured to change a reception signal gain value of the first frequency communication module based on the second frequency communication module notice information, wherein a reception signal strength of the first surveillance image is different from a reception signal strength of the second surveillance image.

Abstract: There is provided a data distribution storing method including: recognizing, by a cluster manager managing a cluster of a plurality of nodes, a vehicle storage installed in a vehicle; transmitting, by the cluster manager, a vehicle index request including identification information about the vehicle storage to an index server; receiving, by the cluster manager, a first vehicle index including information about a first time section during which first vehicle data is recorded in the vehicle storage from the index server; selecting, by the cluster manager, a node from the cluster; transmitting, by the vehicle storage, second vehicle data recorded in the vehicle storage during a second time section which is after the first time section, to the node; generating, by the cluster manager, a second vehicle index based on the first vehicle index and information about the second time section and the node.

Abstract: A device and a method for controlling a device using a real-time image are provided. The method includes: receiving an image captured by an image capturing device connected to a network to display the image in real-time; searching for the device that is connected to the network and is controllable; designating, within the image, a setting zone corresponding to the device; receiving a user input; and controlling the device selected according to the user input. A location of the setting zone within the image may be updated according to a change in the image. The user may receive immediate visual feedback on how the devices are being controlled. The user may control a device displayed on the screen on which the real-time indoor image is displayed without having to navigate through different sub-menus for different devices.

Abstract: Provided are a doorbell system and a method of operating the same. The doorbell system includes a doorbell which includes: a camera configured to obtain at least one of an image of a first object in a first region and an image of a second object in a second region closer to the doorbell than the first region; an image processor configured to detect the first object from the image of the first object, and identify the second object from the image of the second object; and an alert generator configured to select and transmit to a user terminal an alert sound or alert sound information corresponding to the identified second object.

Abstract: An apparatus and a method for transmitting media data through live streaming or recorded streaming are provided. Live streaming refers to a case where media being captured in real time by a media service apparatus is played in a user's web browser, and recorded streaming refers to a case where media pre-recorded and stored in a server is played in a user's web browser. In the case of live streaming, since real-time is an important factor, there is provided a media playing method with no initial delay by using a decoder written in a script that can be parsed by a web browser. In the case of recorded streaming, there is provided a media playing method capable of using a decoder embedded in a web browser with no compatibility issue related to a container even when the media service apparatus has no container creation functionality.

Abstract: A zoom lens system according to an example embodiment includes, sequentially from an object side to an image plane side along an optical axis, a first lens group having a negative refractive power and including at least one doublet lens, the doublet lens including two lenses, a second lens group having a positive refractive power, and a third lens group having a positive refractive power, wherein the first lens group and the second lens group are configured to move along the optical axis to perform zooming and focusing, and the zoom lens system satisfies 3.0<Vdf/Vdr<6.0, where Vdf denotes an Abbe number of a lens arranged at the object side in a doublet lens, and Vdr denotes an Abbe number of a lens arranged at the image plane side in a doublet lens.

Abstract: A method for dynamically obtaining and displaying surveillance images and dynamically tracking events, including receiving event occurrence information corresponding to one or more surveillance cameras; classifying the surveillance cameras detecting an event occurrence into one or more groups of event detection cameras based on the event occurrence information; dynamically arranging and displaying one or more real-time images acquired by the event detection cameras on a first screen, the real-time images being dynamically arranged on the first screen according to the one or more groups, and the arrangement of the real-time images on the first screen being dynamically variable according to a number of the detected events; and displaying an event image acquired within a preset time range before and after a first event detection time point by the event detection camera that first detects an event among the event detection cameras belonging to each group.

Abstract: An apparatus for processing an image includes a camera configured to obtain a fixed image signal based on non-movement of the camera and obtain a variable image signal based on movement of the camera; a communication interface configured to receive a command; a driver configured to move the camera in response to the command; and a processor configured to process the fixed image signal based on a fixed image signal process parameter value, and process the variable image signal based on a variable image signal process parameter value, the variable image signal process parameter value having an image signal process parameter value based upon which a high frequency component of the variable image signal is reduced.

Abstract: Provided are an image stabilizing apparatus and method thereof. The image stabilizing apparatus performs image stabilization by using both an image sensor and a motion sensor. Image distortion and movement are stably corrected by using both the position of a feature point, which is extracted by the image sensor and image processing, and the movement position of the feature point, which is predicted by the motion sensor.

Abstract: A method of adjusting a bitrate of an image based includes: identifying magnitudes of one or more frequency components in the image; determining a frequency filter based on a difference between a current bitrate and a target bitrate of the image such that the greater is the difference between the current bitrate and the target bitrate, magnitudes of the more high frequency components are reduced by the frequency filter; and applying the determined frequency filter to the magnitudes of the one or more frequency components.

Abstract: A digital forensic image verification system according to an embodiment of the present disclosure includes an imaging device having a imaging unit configured to produce an image, a first hash value generator configured to generate a first hash value for the image, and a transmitting unit configured to transmit the image and the first hash value; and an image storage device having a receiving unit configured to receive the image and the first hash value from the imaging device, a second hash value generator configured to generate a second hash value for the image, and a controller configured to compare the first hash value and the second hash value with each other.

Abstract: Disclosed are a monitoring method and a system that display a log icon including event-related information to facilitate an intuitive confirmation of event information. The monitoring method includes: receiving a plurality of images from a plurality of image devices; displaying the images in a first region of a display; displaying information about the image devices related to the images, which are being displayed in the first region, in a second region of the display which is different from the first region; and generating a plurality of log icons including event information when a predetermined event is detected from the images which are being displayed in the first region; and displaying the log icons in a third region of the display which is different from the first and second regions.

Abstract: An apparatus and a method for generating an alarm are provided. The apparatus includes at least one processor configured to implement: a determination unit analyzing at least one of an image, which includes an object, and a sound related to the object, and, as a result of the analysis, determining a type of the object; and an alarm generation unit controlling an alarm generator to generate an alarm according to a result of the determination performed by the determination unit.

Abstract: Provided is an image processing apparatus and method that may employ a new program or protocol without having to additionally develop a new program or a protocol for image processing. The image processing apparatus may include: an open platform-compatible unit configured to determine a protocol that is used by a video analysis application installed in or connected to the image processing apparatus, and receive at least one of channel information about an original image, channel information about an encoded image, channel information about a decoded image, resolution information about the decoded image and frame rate information that is required to receive the decoded image, in accordance with the determined protocol; and a protocol conversion unit configured to process an input image to comply with the determined protocol, based on the at least one information that is received at the open platform-compatible unit.

Abstract: Provided is an imaging apparatus which includes: a video reproducer reproducing a video and a heatmap of the video on a display in a selective manner between overlapping the video and the heatmap with each other and displaying the video and the heatmap on different areas, respectively; a sub-heatmap area setter setting a plurality of sub-heat map areas on the heatmap; and a video summarizer providing a video summary of the video selectively to a summary area selected from among the sub-heatmap areas or to an area different from the sub-heatmap areas, respectively, wherein the video reproducer also reproduces a portion of the video corresponding on an interest area selected from among the sub-heatmap areas, and the at least one summary area and the at least one interest area are a same area or different areas in the heatmap.

Abstract: Provided is a central cooling system including: a ventilation fan unit configured to provide air to a predetermined space; a chiller unit configured to provide heat exchange medium to lower temperature of the air; a cooling tower unit configured to provide a coolant to the chiller unit to lower temperature of the heat exchange medium, and configured to lower temperature of the coolant through heat exchange between the coolant and ambient air; a sensor unit configured to measure the temperatures of the air, the heat exchange medium, and the coolant, and temperature and humidity of the ambient air; and a control unit configured to monitor energy consumption of the central cooling system and configured to calculate at least one of a control temperature of the heat exchange medium, a control temperature of the coolant, and a control temperature of the air which minimizes the energy consumption.