Abstract: Disclosed is an apparatus and method for obtaining a motion adaptive high dynamic range image, in which a motion degree of a first image and a second taken using different exposure times is calculated. The motion calculation intensity is adjusted based on the calculated motion degree. The motion compensation intensity involves a global motion compensation and/or a location motion compensation. Images subjected to compensation are synthesized and output, so that an image having high dynamic range is obtained.

Abstract: A method and apparatus for correcting color distortion are provided. The method includes detecting a color image of an object. The method further includes correcting color distortion of the detected color image to generate a corrected color image. The method further includes synthesizing color information of the corrected color image and detail information of the detected color image to generate a synthesized color image.

Abstract: A CMOS (Complementary Metal-Oxide Semiconductor) image sensor is provided. A CMOS image sensor includes a first light-receiving unit converting light into charge, a first floating diffusion region, in which a first potential corresponding to the converted amount of charge is generated and a second floating diffusion region, to which the charge in the first floating diffusion region is transmitted, and in which a second potential is generated, wherein a wide dynamic range signal is acquired from the first floating diffusion region, a high-sensitively signal is acquired from the second floating diffusion region, and the acquired signals are synthesized and output.

Abstract: An image photographing apparatus, method and medium that can enhance color reproducibility and sensitivity. The image photographing apparatus includes a filter unit having a first filter region to pass at least one band of an incident light signal corresponding to a complementary color of a first color, and a second filter region to pass all bands of the incident light signal, wherein the first filter region and the second filter region are each formed in one of two adjacent pixels, and an image sensor unit to sense an image from the incident light signal that passes through the filter unit, the image sensor unit including a plurality of photoelectric conversion layers each having a different spectral sensitivity.

Abstract: Provided are a noise reduction apparatus having an edge enhancement function and a method thereof, in which edges in an input image can be prevented from being blurred when reducing noise in the input image and a clear output image can be obtained by reducing edge discontinuities. The noise reduction apparatus includes a window setting module which sets a portion of an input image as a window, an edge-information detection module which detects edge information regarding the window, an image processing module which performs an image processing operation on the window, and an output-image generation module which generates an output image by reflecting the edge information into one or more windows obtained by the image processing operation.

Abstract: An image-registration method, medium, and apparatus obtaining first and second images, generating first and second image pyramids based on the first and second images, respectively, by performing sub-sampling which reduces the length and width of each of the first and second images by half, and determining one of five directions as an optimal movement direction for a current level of the first and second image pyramids based on two images belonging to a corresponding level, updating a motion vector for the current level based on the optimal movement direction for the current level and updating a first image belonging to a level directly below the current level based on the updated motion vector for the current level, wherein the updating comprises updating a motion vector for each of a plurality of levels of the first and second image pyramids in an order from an uppermost level to a lowermost level.

Abstract: An image generating apparatus including a filtering unit to filter a plurality of light signals including a first filter region and a second filter region. The first filter region may allow a complementary color wavelength band of an incident light signal to pass through and the second filter region may allow a whole wavelength band of the incident light signal to pass through. At least one of the first filter region and the second filter region includes two sub-regions configured to pass filtered light signals with two different sensitivities. In addition, an image sensing unit may sense at least one of the filtered light signals of different sensitivities in the complementary color wavelength band and the filtered light signals of different sensitivities in the whole wavelength band from the filtering unit and an image processing unit may generate an image based on the sensed light signals.

Abstract: An endoscope apparatus is provided. The endoscope apparatus includes an illumination unit configured to selectively provide light of different wavelength bands and white light, a sensing unit configured to generate an image signal by receiving light of a near infrared wavelength band and light of a visible light band, and an image processing unit configured to generate a color image and a plurality of narrow band images from image signals of different wavelength bands generated by the sensing unit. The sensing unit includes a plurality of photodetection pixels, each photodetection pixel comprising an infrared sub-pixel for sensing near infrared light, a red sub-pixel for sensing red light, a blue sub-pixel for sensing blue light, and a green sub-pixel for sensing green light.

Abstract: Disclosed is an apparatus and method for obtaining a motion adaptive high dynamic range image, in which a motion degree of a first image and a second taken using different exposure times is calculated. The motion calculation intensity is adjusted based on the calculated motion degree. The motion compensation intensity involves a global motion compensation and/or a location motion compensation. Images subjected to compensation are synthesized and output, so that an image having high dynamic range is obtained.

Abstract: An endoscope apparatus and image processing method of an endoscope apparatus are provided. In one respect, an endoscope apparatus includes an illumination unit for selectively providing light in a plurality of wavelength bands and white light, a sensing unit for receiving light reflected from a body cavity, and an image processing unit for generating additional synthesized images.

Abstract: A color restoration apparatus is provided.

Abstract: An image display device capable of supporting brightness enhancement and power control and a method thereof, in which the brightness and contrast are enhanced and the power of a light source is controlled in accordance with the image characteristic. In the image display method, a parameter representative of an input image is calculated from a histogram of the input image, a model corresponding to the input image is selected from a plurality of representative models by analyzing the parameter, and then a brightness controlling function matched with the selected model is selected. The size of each component of a pixel constituting the input image is controlled using the brightness controlling function, and the output image of the pixel whose component size has been controlled is displayed.

Abstract: Provided is an analog-to-digital (A/D) converter that may be used in an image sensor and a ramp signal generator that is used in an A/D converter. The ramp signal generator may generate a ramp signal and a reference voltage signal that include noise that has same noise characteristics that are input into the ramp signal, such that the signal to noise ratio (SNR) is improved and the image quality is also improved.

Abstract: An image sensing apparatus, particularly, an apparatus for optically combining visible images with far-infrared images is provided in which performing a separate signal processing may not be needed. The image combining apparatus emits light that is sensed by an image sensor, and reflects the light toward the image sensor in response to far-infrared rays being sensed from an object, thereby converting far-infrared information into information that can be sensed by the image sensor.

Abstract: An apparatus and method to generate an image in which images having different exposure amounts are generated are provided. The apparatus and method synthesize the generated images and a high-sensitivity (or quality) image can be generated. The apparatus to generate an image includes an exposure adjustment unit to adjust an exposure amount, an image generation unit to generate a plurality of images of different exposure amounts and different resolutions, and an image synthesis unit to synthesize the plurality of generated images.

Abstract: An apparatus and method to generate an image in which images having different exposure amounts are generated, and by synthesizing the generated images, a high-sensitivity (or quality) image can be generated. The apparatus to generate an image includes an exposure adjustment unit to adjust an exposure amount, an image generation unit to generate a plurality of images of different exposure amounts and different resolutions, and an image synthesis unit to synthesize the plurality of generated images.

Abstract: An image photographing apparatus and method, and more particularly, an image photographing apparatus and method that may divide each unit sensor of an image sensor into a high-sensitivity sensor and a low-sensitivity sensor and sense an incident optical signal using the high-sensitivity sensor and the low-sensitivity sensor. The image photographing apparatus may include a light reception unit receiving an optical signal, a sensor unit sensing the optical signal, which is incident to a pixel region, using a plurality of sensors with different sensitivity and converting the sensed optical signal into a plurality of electrical signals, and a signal extraction unit extracting the quantity of accumulated electric charge for the optical signal, which was sensed by each of the sensors, with reference to each of the electrical signals.

Abstract: Provided are an image processing apparatus and method for restoring a high resolution of an image based on acquired image data using color information. The image processing apparatus selects at least one pixel from among pixels corresponding to narrow-band color information of image data, and estimates wide-band color information of the selected pixel.

Abstract: An image sensor capable of ensuring high sensitivity image and minimizing color distortion is provided. The image sensor includes a first filter unit, a second filter unit formed at a lower part of the first filter unit and a sensor unit formed at a lower part of the second filter unit. The first filter unit is configured to pass light corresponding to a visible light region, pass light corresponding to a first region of a longer wavelength than the light corresponding to the visible region and cut off light corresponding to a second region of a longer wavelength than the light corresponding to the first region. The second filter unit is configure to pass light having a predetermined wavelength in a wavelength range corresponding to the visible light region among the light passing through the first filter unit and pass light corresponding to the first region. The sensor unit is configured to detect the light passing through the second filter unit.

Abstract: An optical apparatus and an imaging apparatus capable of facilitating capturing images with a simpler structure are provided. The imaging apparatus includes a color filter divided into a plurality of regions, each of the regions configured to allow light of a preset wavelength range to pass therethrough, a main lens disposed at a front or a rear of the color filter to allow light to pass therethrough, and an optic unit to allow the light passing through the color filter or the main lens to pass therethrough.