Abstract: The method comprises registering at least one of an internet protocol (IP) address and a media access control (MAC) address of the security devices, generating a plurality of public key and private key pairs, encrypting and storing private keys comprised in the plurality of public key and private key pairs using a master key provided from a master key management unit, selecting any one of a plurality of public key and private key pairs when the access of the security device is approved and providing a certificate comprising the selected public key to the security device, receiving a symmetric key encrypted with the public key of the certificate from the security device, and decrypting the private key using the master key provided from the master key management unit.

Abstract: An image processing apparatus is provided. The image processing apparatus according to an exemplary embodiment includes a memory, and a processor configured to obtain a High Dynamic Range (HDR) image by using a plurality of images having different brightness stored in the memory, and correct chromaticity for each pixel group including at least one pixel with respect to the obtained HDR image, wherein the processor is configured to identify an image to be used for chromaticity correction among the plurality of images for each pixel group and correct the chromaticity for each pixel group by using the identified image.

Abstract: An image processing apparatus is provided. The image processing apparatus according to an exemplary embodiment includes a memory, and a processor configured to obtain a High Dynamic Range (HDR) image by using a plurality of images having different brightness stored in the memory, and correct chromaticity for each pixel group including at least one pixel with respect to the obtained HDR image, wherein the processor is configured to identify an image to be used for chromaticity correction among the plurality of images for each pixel group and correct the chromaticity for each pixel group by using the identified image.

Abstract: An imaging apparatus is provided, which includes an image capturer configured to generate a plurality of short-exposure images by performing continuous imaging for a first time in a first imaging mode in which imaging is performed through exposure over the first time, a processor configured to control the image capturer to generate at least one short-exposure image by performing additional imaging after the first time if an imaging command is input in a state where the first imaging mode and an HDR (High Dynamic Range) mode are set, and an image processor configured to synthesize the short-exposure images generated by the image capturer by successively accumulating the short-exposure images.

Abstract: An imaging apparatus is provided, which includes an image capturer configured to generate a plurality of short-exposure images by performing continuous imaging for a first time in a first imaging mode in which imaging is performed through exposure over the first time, a processor configured to control the image capturer to generate at least one short-exposure image by performing additional imaging after the first time if an imaging command is input in a state where the first imaging mode and an HDR (High Dynamic Range) mode are set, and an image processor configured to synthesize the short-exposure images generated by the image capturer by successively accumulating the short-exposure images.

Abstract: A photographing apparatus and method. The apparatus including: an image pickup unit configured to capture an image of a subject to create image data; a image pickup unit controller configured to set a photographing time that is longer than an exposure time required for photographing the subject, and configured to divide the overall photographing time into a plurality of unit photographing times, and configured to control the image pickup unit to sequentially perform a plurality of unit photographing operations corresponding to the plurality of unit photographing times to create unit images; a storage unit; a user inputting unit; an image synthesis unit configured to sum up the image data of the unit images to create preparatory images and configured to sum up the unit images of a preparatory image to create a final image; and a display unit configured to display the preparatory images and the final image.

Abstract: A digital image processor and a method, specifically, an apparatus for blurring a background of an image in a digital image processor is provided wherein an image is photographed with a flash being on and off when a shutter input signal is received once, the background of the image is blurred through comparison between an image prior to the shutter input signal being received and an image during which a flash is activated, and then a subject of the image with a flash being off is combined with the blurred background. A processor blurs an image generated by a brightness difference between a first image generated before a shutter input signal is received and a second image generated with the flash being on after the shutter input signal is received and combining a third image generated by turning off the flash after the shutter input signal, to the blurred image.

Abstract: An apparatus and method of processing image data sub-samples image data by generating a data patch by dividing the image data into a plurality of blocks and sequentially accessing pixel data values in each of the blocks through a plurality of line memories. The image data is divided into the plurality of blocks, the blocks are stored in each of the line memories, and the pixel data values stored in each of the line memories are sequentially accessed, so as to generate the data patch for sub-sampling the image data.

Abstract: A digital image signal processing apparatus includes a plurality of line memories, a line memory control unit that controls input image data corresponding to an input image to be input to each of the plurality of line memories and to be output from the plurality of line memories, a data patch generating unit that sequentially accesses the input image data stored in each of the plurality of line memories and generates a data patch for noise reduction filtering, and a filtering unit that performs the noise reduction filtering on the data patch and generates output image data. A digital image signal processing apparatus and method thereof thus may perform a high-speed noise reduction filtering operation and generate an output image having a same size as an input image while maintaining a same quality as the input image.

Abstract: Provided is a method and apparatus for blurring an image background, in which a moving image information and a focal distance information, which is matched to the moving image according to a movement distance of an AF motor, are obtained for the same object and background blurring is applied to a still image differentially, based on focal distances of the moving image and the still image. The apparatus includes a digital signal processing unit capturing a moving image and a still image of the same object, comparing focal distances of at least one frame forming the moving image with focal distances of the still image, and applying background blurring to the still image according to differences between the focal distances.

Abstract: Provided are a digital image processing device and an operation method therefor, and more particularly, a focus error adjusting apparatus and a method therefor whereby a focus error can be adjusted when a digital image processing device is manufactured or used. The focus error adjusting apparatus includes a photographing unit photographing a first image whose focus is adjusted, and photographing a plurality of images by changing movement values of a focus motor by referring to the first image; and a digital signal processing unit outputting a focus motor control signal to the photographing unit for the photographing, detecting an image having the greatest evaluation value of a high frequency component from among the first image and the plurality of images, and adjusting movement of the focus motor by as little as a variation value of the focus motor with respect to the image having the greatest evaluation value of the high frequency component.

Abstract: A digital image signal processing apparatus includes a plurality of line memories, a line memory control unit that controls input image data corresponding to an input image to be input to each of the plurality of line memories and to be output from the plurality of line memories, a data patch generating unit that sequentially accesses the input image data stored in each of the plurality of line memories and generates a data patch for noise reduction filtering, and a filtering unit that performs the noise reduction filtering on the data patch and generates output image data. A digital image signal processing apparatus and method thereof thus may perform a high-speed noise reduction filtering operation and generate an output image having a same size as an input image while maintaining a same quality as the input image.

Abstract: A photographing apparatus and method. The apparatus including: an image pickup unit configured to capture an image of a subject to create image data; a image pickup unit controller configured to set a photographing time that is longer than an exposure time required for photographing the subject, and configured to divide the overall photographing time into a plurality of unit photographing times, and configured to control the image pickup unit to sequentially perform a plurality of unit photographing operations corresponding to the plurality of unit photographing times to create unit images; a storage unit; a user inputting unit; an image synthesis unit configured to sum up the image data of the unit images to create preparatory images and configured to sum up the unit images of a preparatory image to create a final image; and a display unit configured to display the preparatory images and the final image.

Abstract: An apparatus and method of processing image data sub-samples image data by generating a data patch by dividing the image data into a plurality of blocks and sequentially accessing pixel data values in each of the blocks through a plurality of line memories. The image data is divided into the plurality of blocks, the blocks are stored in each of the line memories, and the pixel data values stored in each of the line memories are sequentially accessed, so as to generate the data patch for sub-sampling the image data.

Abstract: Provided are a digital photographing apparatus enabling easily selection of a degree of exposure when viewing a display, a method of controlling the same, and a computer readable recording medium comprising a computer program for executing the method. The apparatus includes an imaging device for generating data from incident light, a memory for storing data generated by the imaging device, a display for displaying an image corresponding to data generated by the imaging device or an image corresponding to data stored in the memory, and a storage medium for storing an image file corresponding to data generated by the imaging device or an image file corresponding to data stored in the memory, wherein data generated by the imaging device during a preset time interval is accumulatively stored in the memory while the imaging device is exposed, and the display displays a corresponding image while the imaging device is exposed.

Abstract: Provided are a digital image processing device and an operation method therefor, and more particularly, a focus error adjusting apparatus and a method therefor whereby a focus error can be adjusted when a digital image processing device is manufactured or used. The focus error adjusting apparatus includes a photographing unit photographing a first image whose focus is adjusted, and photographing a plurality of images by changing movement values of a focus motor by referring to the first image; and a digital signal processing unit outputting a focus motor control signal to the photographing unit for the photographing, detecting an image having the greatest evaluation value of a high frequency component from among the first image and the plurality of images, and adjusting movement of the focus motor by as little as a variation value of the focus motor with respect to the image having the greatest evaluation value of the high frequency component.

Abstract: A digital image processor and a method, specifically, an apparatus for blurring a background of an image in a digital image processor is provided wherein an image is photographed with a flash being on and off when a shutter input signal is received once, the background of the image is blurred through comparison between an image prior to the shutter input signal being received and an image during which a flash is activated, and then a subject of the image with a flash being off is combined with the blurred background. A processor blurs an image generated by a brightness difference between a first image generated before a shutter input signal is received and a second image generated with the flash being on after the shutter input signal is received and combining a third image generated by turning off the flash after the shutter input signal, to the blurred image.

Abstract: Provided is a method and apparatus for blurring an image background, in which a moving image information and a focal distance information, which is matched to the moving image according to a movement distance of an AF motor, are obtained for the same object and background blurring is applied to a still image differentially, based on focal distances of the moving image and the still image. The apparatus includes a digital signal processing unit capturing a moving image and a still image of the same object, comparing focal distances of at least one frame forming the moving image with focal distances of the still image, and applying background blurring to the still image according to differences between the focal distances.