Patent application number | Description | Published |
20080259181 | IMAGING APPARATUS, IMAGING METHOD, INTEGRATED CIRCUIT, AND STORAGE MEDIUM - An imaging apparatus appropriately captures a large dynamic range image of even a scene including a backlit person with a blue sky background in a manner that the person's face has an appropriate luminance level without saturating the background sky. In the imaging apparatus, an imaging unit obtains analogue image signals through exposure control that prevents a highlight from being saturated, an A/D converter converts the analogue image signals to digital image signals, and a signal processing unit linearly increases the dynamic range of the digital image signals. The image signals with the increased dynamic range are nonlinearly compressed to have a dynamic range of 100% or less through nonlinear dynamic range compression that intensively compresses a highlight portion. The imaging apparatus with this structure first increases the dynamic range of an image and efficiently compresses the increased large dynamic range of the image. | 10-23-2008 |
20090033753 | IMAGING APPARATUS, IMAGING METHOD, STORAGE MEDIUM, AND INTEGRATED CIRCUIT - An imaging apparatus estimates a distance based on a reflectance value of a subject estimated with improved precision. An illumination unit illuminates a subject with illumination light. An imaging unit captures a plurality of images each under a different condition of the illumination unit. An illumination light element obtaining unit obtains an image formed with an element of the illumination light from the plurality of images. A reflectance estimation unit eliminates illumination variations from one of the plurality of images or from the image formed with the illumination light element, and estimates a reflectance of the subject corresponding to each pixel. A distance information estimation unit estimates a distance to the subject corresponding to each pixel based on the image formed with the illumination light element and the reflectance of the subject. | 02-05-2009 |
20090040335 | WHITE BALANCE ADJUSTMENT DEVICE, IMAGE CAPTURE DEVICE, WHITE BALANCE ADJUSTMENT METHOD, STORAGE MEDIUM, AND INTEGRATED CIRCUIT - A natural white balance is achieved in images that are captured while emitting a flash. A WB adjustment portion is provided with a mixture ratio calculation portion that estimates a mixture ratio of an external light component and a flashed light component that are present in an image that is captured with emitting a flash, from the image obtained that is captured while emitting a flash and an image signal that is obtained without emitting a flash, an external light WB coefficient determination portion that determines an WB coefficient for the external light, a flashed light WB coefficient setting portion that sets a WB coefficient for the flashed light, and a WB processing portion that continuously performs WB processing on the image captured while emitting a flash by using the mixture ratio as an interpolation ratio. | 02-12-2009 |
20090097775 | VISUAL PROCESSING DEVICE, VISUAL PROCESSING METHOD, PROGRAM, DISPLAY DEVICE, AND INTEGRATED CIRCUIT - It is possible to inhibit artifacts, even when a special image has been input. The visual processing device of the invention is provided with a spatial processing portion ( | 04-16-2009 |
20090116819 | MULTIPLEXING METHOD AND RECORDING MEDIUM - To provide a multiplexing method which facilitates a reproduction process and reduces unpleasantness felt by a viewer about image quality. | 05-07-2009 |
20090231467 | IMAGING APPARATUS, IMAGING METHOD, STORAGE MEDIUM, AND INTEGRATED CIRCUIT - An imaging apparatus for capturing a moving image performs backlight correction of an image and outputs a natural image. The imaging apparatus electronically captures an image of a subject. An optical system has a light amount adjustment function. An imaging unit reads an optical image of the subject that is formed by the optical system. An A/D converter subjects an output of the imaging unit to A/D conversion. A backlight correction unit converts the tones of an image read by the A/D converter using a conversion characteristic selected differently according to a spatial position and at least increases the luminance level of a dark region of the image. An instruction unit instructs to start backlight correction. A control unit operates the backlight correction unit based on an instruction signal output from the instruction unit, and decreases an exposure light amount of the optical system by a predetermined amount. | 09-17-2009 |
20090232401 | VISUAL PROCESSING APPARATUS, DISPLAY APPARATUS, VISUAL PROCESSING METHOD, PROGRAM, AND INTEGRATED CIRCUIT - A visual processing device, display device, visual processing method, program, and integrated circuit with which it is possible to inhibit side effect even if an image that has sharp edge regions or a special image has been input, and with a simple configuration it is possible to change the strength of the visual processing of the image in real-time, are provided. A spatial processing portion ( | 09-17-2009 |
20090295937 | DYNAMIC RANGE COMPRESSION APPARATUS, DYNAMIC RANGE COMPRESSION METHOD, COMPUTER-READABLE RECORDING MEDIUM, INTEGRATED CIRCUIT, AND IMAGING APPARATUS - A dynamic range (D-range) compression apparatus that uses a look-up table (LUT) is capable of dynamic compression that compresses the peak input value to the full output range, even when image signals with variable D-ranges are inputted. | 12-03-2009 |
20100014773 | VISUAL PROCESSING APPARATUS, VISUAL PROCESSING METHOD, PROGRAM, RECORDING MEDIUM, DISPLAY, AND INTEGRATED CIRCUIT - It is possible to inhibit side effects even when an image that has sharp edge regions has been input. The invention is provided with a spatial processing portion ( | 01-21-2010 |
20100135634 | VIDEO PROCESSING DEVICE, RECORDING MEDIUM, VIDEO SIGNAL PROCESSING METHOD, VIDEO SIGNAL PROCESSING PROGRAM, AND INTEGRATED CIRCUIT - It is possible to realize a novel video processing device that can utilize the compatibility between the spaces of an encoded image in an xvYCC system with a wide color gamut and an encoded image in the conventional YCbCr system. The video signal processing device ( | 06-03-2010 |
20100188523 | VISUAL PROCESSING APPARATUS, VISUAL PROCESSING METHOD, PROGRAM, RECORDING MEDIUM, DISPLAY DEVICE, AND INTEGRATED CIRCUIT - It is possible to inhibit side effects even when an image that has sharp edge regions has been input. The invention is provided with a spatial processing portion ( | 07-29-2010 |
20100214310 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, RECORDING MEDIUM, AND INTEGRATED CIRCUIT - An image processing apparatus transforms a color signal of a first color space defined by a predetermined standard into a color signal of a second color space which is defined according to display characteristics of a display device and has a color gamut wider than a color gamut of the first color space, and outputs the transformed color signal. More specifically, the image processing apparatus includes: a first correction unit configured to, for each of color values making up the color signal of the first color space, correct a color value exceeding a first upper limit to the first upper limit and correct a color value falling below a first lower limit to the first lower limit, the first upper limit and the first lower limit being necessary for expressing the color gamut of the second color space; a color space transformation unit configured to transform the color signal of the first color space corrected by said first correction unit, into the color signal of the second color space; and a second correction unit configured to, for each of color values making up the color signal of the second color space generated by said color space transformation unit, (i) correct a color value exceeding a second upper limit to the second upper limit and correct a color value falling below a second lower limit to the second lower limit, and (ii) output the corrected values, the second upper limit and the second lower limit being values which can be displayed by the display device. | 08-26-2010 |
20100309216 | VISUAL PROCESSING DEVICE, VISUAL PROCESSING METHOD, VISUAL PROCESSING PROGRAM, AND SEMICONDUCTOR DEVICE - A visual processing device that achieves gradation processing and further enhances a visual effect. The visual processing device | 12-09-2010 |
20110025890 | VISUAL PROCESSING DEVICE, DISPLAY DEVICE, AND INTEGRATED CIRCUIT - The invention achieves a visual processing device that can execute precise contrast adjustment on image signals that have been input and that does not cause discrepancies in the output timing of the image signals that are output. The visual processing device is provided with a gain-type visual processing portion that outputs a first gain signal having predetermined gain characteristics with respect to the input image signal, and a correction portion that corrects the input image signal based on the first gain signal. | 02-03-2011 |
20110050760 | IMAGE DISPLAY APPARATUS AND CONTROL APPARATUS AND INTEGRATED CIRCUIT THEREOF - An image display apparatus can display high-quality images. A backlight section ( | 03-03-2011 |
20110085085 | VISUAL PROCESSING DEVICE, DISPLAY DEVICE, VISUAL PROCESSING METHOD, PROGRAM, AND INTEGRATED CIRCUIT - A visual processing device, display device, visual processing method, program, and integrated circuit that change a strength of visual processing of an image in real-time. A spatial processing portion ( | 04-14-2011 |
20110109765 | VISUAL PROCESSING DEVICE, VISUAL PROCESSING METHOD, PROGRAM, DISPLAY DEVICE, AND INTEGRATED CIRCUIT - In order to inhibit artifacts (even when a special image has been input) a visual processing device is provided with a spatial processing portion extracting surrounding image information US from an input image signal IS, and a special image detection portion outputting a special image effect adjustment signal DS according to a degree of a statistical bias of the image signal IS. The visual processing device also includes a continuous changing portion outputting an effect adjustment signal MOD in which the special image effect adjustment signal DS is continuously changed between frames, an effect adjustment portion outputting a synthesized signal MUS in which the effect of the visual processing differs depending on the effect adjustment signal MOD, and a visual processing portion outputting a processed signal OS obtained by visually processing the image signal IS based on the image signal IS and the synthesized signal MUS. | 05-12-2011 |
20110115829 | IMAGE DISPLAY APPARATUS AND CONTROL APPARATUS THEREOF - The present invention relates to an image display apparatus that can display high-quality images, and its controlling apparatus. A backlight section ( | 05-19-2011 |
20110122148 | VISUAL PROCESSING APPARATUS, VISUAL PROCESSING METHOD, PROGRAM, RECORDING MEDIUM, DISPLAY DEVICE, AND INTEGRATED CIRCUIT - It is possible to inhibit side effects even when an image that has sharp edge regions has been input, using a spatial processing portion ( | 05-26-2011 |
20110128438 | COLOR SIGNAL CONVERTING APPARATUS, VIDEO DISPLAYING APPARATUS, COLOR SIGNAL CONVERTING METHOD, VIDEO DISPLAYING METHOD AND IMAGE DATA - The first color gamut conversion unit | 06-02-2011 |
20110242366 | IMAGING APPARATUS, IMAGING METHOD, STORAGE MEDIUM, AND INTEGRATED CIRCUIT - An imaging apparatus for capturing a moving image performs backlight correction of an image and outputs a natural image. The imaging apparatus electronically captures an image of a subject. An optical system has a light amount adjustment function. An imaging unit reads an optical image of the subject that is formed by the optical system. An A/D converter subjects an output of the imaging unit to A/D conversion. A backlight correction unit converts the tones of an image read by the A/D converter using a conversion characteristic selected differently according to a spatial position and at least increases the luminance level of a dark region of the image. An instruction unit instructs to start backlight correction. A control unit operates the backlight correction unit based on an instruction signal output from the instruction unit, and decreases an exposure light amount of the optical system by a predetermined amount. | 10-06-2011 |
20110299773 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND INTEGRATED CIRCUIT - The grayscale of an input signal is converted without amplifying noise components thereof. A grayscale conversion portion performs grayscale conversion on an input signal IS to create a converted signal TS, a noise reduction degree determining portion determines a noise reduction degree NR that expresses a strength of noise reduction processing to be applied to the converted signal based on the input signal IS and the converted signal TS, and a noise reducing portion executes noise reduction processing on the converted signal TS based on the noise reduction degree NR. By doing this, it is possible to convert the grayscale of the input signal without enhancing the noise. | 12-08-2011 |
20110310271 | IMAGING APPARATUS, IMAGING METHOD, INTEGRATED CIRCUIT, AND STORAGE MEDIUM - An imaging apparatus captures a large dynamic range image of a scene including a backlit person with a blue sky background in a manner that the person's face has an appropriate luminance level without saturating the background sky. An imaging unit obtains analogue image signals through exposure control that prevents a highlight from being saturated, an A/D converter converts the analogue image signals to digital image signals, and a signal processing unit linearly increases the dynamic range of the digital image signals. The image signals with the increased dynamic range are nonlinearly compressed to have a dynamic range of 100% or less through nonlinear dynamic range compression that intensively compresses a highlight portion. The imaging apparatus with this structure first increases the dynamic range of an image and efficiently compresses the increased large dynamic range of the image. | 12-22-2011 |
20110317032 | IMAGING APPARATUS, IMAGING METHOD, INTEGRATED CIRCUIT, AND STORAGE MEDIUM - An imaging apparatus captures a large dynamic range image of a scene including a backlit person with a blue sky background in a manner that the person's face has an appropriate luminance level without saturating the background sky. An imaging unit obtains analogue image signals through exposure control that prevents a highlight from being saturated, an A/D converter converts the analogue image signals to digital image signals, and a signal processing unit linearly increases the dynamic range of the digital image signals. The image signals with the increased dynamic range are nonlinearly compressed to have a dynamic range of 100% or less through nonlinear dynamic range compression that intensively compresses a highlight portion. The imaging apparatus with this structure first increases the dynamic range of an image and efficiently compresses the increased large dynamic range of the image. | 12-29-2011 |
20120008009 | WHITE BALANCE ADJUSTMENT DEVICE, IMAGE CAPTURE DEVICE, WHITE BALANCE ADJUSTMENT METHOD, STORAGE MEDIUM, AND INTEGRATED CIRCUIT - A natural white balance is achieved in images that are captured while emitting a flash. The white balance of an image is adjusted using a WB adjustment portion and a mixture ratio calculation portion estimating a mixture ratio of an external light component and a flashed light component that are present in an image captured with emitting a flash, from the image obtained that is captured while emitting a flash and an image signal that is obtained without emitting a flash. Further, an external light WB coefficient determination portion determines an WB coefficient for the external light, a flashed light WB coefficient setting portion sets a WB coefficient for the flashed light, and a WB processing portion that continuously performs WB processing on the image captured while emitting a flash by using the mixture ratio as an interpolation ratio. | 01-12-2012 |
20120105509 | IMAGE DISPLAY DEVICE, CONTROL DEVICE FOR SAME, AND INTEGRATED CIRCUIT - Disclosed is an image display device having improved image qualities, while reducing power consumption. A backlight unit ( | 05-03-2012 |
20120169792 | DISPLAY DEVICE AND DISPLAY METHOD - Disclosed is a display device capable of compensating unevenness in brightness caused by physical restrictions of a display device or degradation in image quality caused by a partial reduction in contrast occurring in the local dimming technology using human visual characteristics. A liquid crystal panel ( | 07-05-2012 |
20120320048 | 3D IMAGING DEVICE AND 3D IMAGING METHOD - A 3D imaging device determines during imaging whether the captured images will be viewed three-dimensionally without causing fatigue while simulating actual human perception. In a 3D imaging device, a warning unit provides a warning to a photographer indicating that the captured images of the scene to be imaged will not be perceived as a 3D video having an appropriate 3D effect when a control unit determines that the captured images will not be perceived as such an appropriate 3D video. The 3D imaging device is prevented from obtaining an inappropriate 3D image (3D video) | 12-20-2012 |
20120327191 | 3D IMAGING DEVICE AND 3D IMAGING METHOD - A 3D imaging device obtains a 3D image (3D video) that achieves an appropriate 3D effect and/or intended placement. The 3D imaging device ( | 12-27-2012 |
20120327197 | 3D IMAGING DEVICE AND 3D IMAGING METHOD - A 3D imaging device determines, during imaging, whether the captured images will be perceived three-dimensionally without causing fatigue while simulating actual human perception. In a 3D imaging device, a display information setting unit obtains a display parameter associated with an environment in which a 3D video is viewed, and a control unit determines during 3D imaging whether a scene to be imaged three-dimensionally will be perceived three-dimensionally based on the viewing environment. | 12-27-2012 |
20130011048 | THREE-DIMENSIONAL IMAGE PROCESSING DEVICE, AND THREE-DIMENSIONAL IMAGE PROCESSING METHOD - In the three-dimensional imaging device (three-dimensional image processing device), the depth acquisition unit acquires L depth information and R depth information from a three-dimensional image. The image correction unit adjusts disparities of edge portion areas of a subject based on the L depth information and the R depth information such that the normal positions of the edge portion areas of the subject are farther away. Accordingly, when a three-dimensional image acquired by the three-dimensional imaging device is three-dimensionally displayed, the edge areas of the subject are displayed having a sense of roundness. As a result, a three-dimensional image that has been subjected to processing by this three-dimensional image processing device is a high-quality three-dimensional image that can appropriately reproduce the three-dimensional appearance and sense of thickness of the subject and has little of the cardboard effect. | 01-10-2013 |
20130027520 | 3D IMAGE RECORDING DEVICE AND 3D IMAGE SIGNAL PROCESSING DEVICE - A 3D image signal processing device performs a signal processing on at least one image signal of a first viewpoint signal as an image signal generated at a first viewpoint and a second viewpoint signal as an image signal generated at a second viewpoint different from the first viewpoint. The device includes an image processor that executes a predetermined image processing on at least one image signal of the first viewpoint signal and the second viewpoint signal, and a controller that controls the image processor. The controller controls the image processor to perform an feathering process on at least one image signal of the first viewpoint signal and the second viewpoint signal, the feathering process being a process for smoothing pixel values of pixels positioned on a boundary between an object included in the image represented by the at least one image signal and an image adjacent to the object. | 01-31-2013 |
20130084021 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND INTEGRATED CIRCUIT - The grayscale of an input signal is converted without amplifying noise components thereof. A grayscale conversion portion performs grayscale conversion on an input signal IS to create a converted signal TS, a noise reduction degree determining portion determines a noise reduction degree NR that expresses a strength of noise reduction processing to be applied to the converted signal based on the input signal IS and the converted signal TS, and a noise reducing portion executes noise reduction processing on the converted signal TS based on the noise reduction degree NR. By doing this, it is possible to convert the grayscale of the input signal without enhancing the noise. | 04-04-2013 |
20130195349 | THREE-DIMENSIONAL IMAGE PROCESSING APPARATUS, THREE-DIMENSIONAL IMAGE-PICKUP APPARATUS, THREE-DIMENSIONAL IMAGE-PICKUP METHOD, AND PROGRAM - A sense of three-dimensionality and thickness is restored to a subject and a high-quality three-dimensional image with a low sense of a cardboard cutout effect is obtained, regardless of the cause of the cardboard cutout effect. In a three-dimensional image capturing apparatus (three-dimensional image processing apparatus) ( | 08-01-2013 |
20130222414 | COLOR SIGNAL PROCESSING DEVICE - A color signal processing device for generating image data to be displayed on a display device which represents a color by using at least four primary colors, includes an obtainer that obtains a color signal regarding three primary colors for image data composed of a plurality of pixels, a changer that changes a value of the obtained color signal regarding the three primary colors, and a converter that converts the changed color signal regarding the three primary colors into a color signal regarding four primary colors. When a predetermined region contains a color saturated pixel, the changer makes the value of the color signal of at least one color of the three primary colors smaller, for pixels contained in the predetermined region. | 08-29-2013 |
20130257924 | DISPLAY DEVICE AND DISPLAY METHOD - A display device includes a display portion having red, green, blue and white sub pixels, a converter generating red, green and blue conversion signals using a brightness ratio from a ratio storage, an upper limit value calculator calculating an upper limit value of a display brightness of the white sub pixel using the red, green and blue conversion signals and the brightness ratio, a lower limit value calculator calculating a lower limit value of the display brightness of the white sub pixel using the red, green and blue conversion signals and the brightness ratio, and a white control signal generator generating a white output control signal for controlling the display brightness of the white sub pixel such that the display brightness is not more than the upper limit value and not less than the lower limit value, and outputting the generated white output control signal to the display portion. | 10-03-2013 |
20130266213 | THREE-DIMENSIONAL IMAGE PROCESSING APPARATUS AND THREE-DIMENSIONAL IMAGE PROCESSING METHOD - A three-dimensional image processing apparatus includes an obtainer that obtains three-dimensional image information including information of a first image and a second image, a shade information obtainer that obtains shade information from the information of the first image and/or the second image, and a disparity adjuster that adjusts a disparity of a subject contained in the first and the second images based on the shade information. | 10-10-2013 |
20130278799 | VISUAL PROCESSING APPARATUS AND VISUAL PROCESSING METHOD - A visual processing apparatus comprises a spatial processing unit and a visual processing unit. The spatial processing unit is operable to perform a predetermined process to an inputted image signal using surrounding pixels of a target pixel and output an processed signal. The visual processing unit is operable to input the inputted image signal and the processed signal and output an output signal that is visual-processed. The visual processing unit has a property in which, in an area where a value of the image signal is almost equal to a value of the processed signal, a proportion of a change of the output signal to a change of the inputted image signal when the processed signal is fixed to a predetermined level is greater than the proportion when the image signal is equal to the processed signal. | 10-24-2013 |
20130294682 | THREE-DIMENSIONAL IMAGE PROCESSING APPARATUS AND THREE-DIMENSIONAL IMAGE PROCESSING METHOD - In a three-dimensional image capturing apparatus (three-dimensional image processing apparatus), a depth obtainment unit obtains L depth information and R depth information from a three-dimensional image, and an image correction unit executes a smoothing process on an end part region of the subject based on the L depth information and the R depth information. As a result, the three-dimensional image processed by the three-dimensional image processing apparatus is a high-quality three-dimensional image that correctly expresses a sense of three-dimensionality and thickness in the subject and that has a low sense of a cardboard cutout effect. | 11-07-2013 |
20130294683 | THREE-DIMENSIONAL IMAGE PROCESSING APPARATUS, THREE-DIMENSIONAL IMAGE PROCESSING METHOD, AND PROGRAM - A three-dimensional image processing device for performing image correction processing on a three-dimensionally-viewed image includes a conversion unit and a composition unit. The conversion unit generates a converted image by performing tone conversion on a pixel value in an object included in the three-dimensionally-viewed image based on a relationship between a pixel value of a pixel of interest that is a processing target and a pixel value of a peripheral pixel of the pixel of interest. The composition unit synthesizes an n-th pixel in a first viewpoint image included in the three-dimensionally-viewed image and a corresponding pixel in a second viewpoint image included in the three-dimensionally-viewed image with a distribution ratio that is based on a subject distance of the n-th pixel. The corresponding pixel is located in the same spatial location as the n-th pixel. | 11-07-2013 |
20140022246 | THREE-DIMENSIONAL IMAGE OUTPUT APPARATUS AND THREE-DIMENSIONAL IMAGE OUTPUT METHOD - A three-dimensional image output apparatus according to a present disclosure includes a storage that stores image data of a plurality of images obtained by shooting the same one scene at different positions, a selector that selects two image data as image data for stereoscopic viewing from a plurality of image data stored in the storage, and an obtainer that obtains at least one of a display condition at a time of displaying a three-dimensional image relating to the image data stored in the storage and a viewing condition at a time of viewing the three-dimensional image. When at least one condition obtained by the obtainer is different from a currently set condition, the selector reselects two image data from the plurality of image data to outputting the reselected image data. | 01-23-2014 |
20140205182 | STEREOSCOPIC IMAGE PROCESSING APPARATUS, STEREOSCOPIC IMAGE PROCESSING METHOD, AND STEREOSCOPIC IMAGE PROCESSING PROGRAM - An apparatus including: an acquiring unit operable to acquire a stereoscopic view image which includes a left eye image and a right eye image, the stereoscopic view image representing a stereoscopic image by means of parallax between the left eye image and the right eye image; an extracting unit operable to extract a subject region from the acquired stereoscopic view image, the subject region giving a stereoscopic image of a specific subject; a calculating unit operable to calculate a length of the extracted subject region in a parallax direction; and an image correcting unit operable to adjust parallax at an edge of the subject region based on the calculated length of the subject region in the parallax direction. | 07-24-2014 |