Abstract: According to an embodiment, a map converting method includes calculating existing frequency of depths in a first map, the first map corresponding to at least an image area of an image and each pixel of the first map representing a depth corresponding to a pixel of the image area; and first converting the first map into a second map that represents a depth in a first range for each pixel by using the existing frequency.

Abstract: According to an image processing device includes an acquiring unit and a correcting unit. The acquiring unit is configured to acquire a stereoscopic image containing a plurality of parallax images each having a mutually different parallax. The correcting unit is configured to perform, for each pixel of the stereoscopic image, correction to set a parallax number of a parallax image viewed at a viewpoint position to a first parallax number of a parallax image to be viewed at the viewpoint position by using correction data representing a difference value between the first parallax number and a second parallax number of a parallax image that is actually viewed at the viewpoint position and on which distortion correction for correcting distortion of light beams has been performed.

Abstract: According to one embodiment, an image processing device includes a calculator, and an output interface. The calculator acquires image information including a value of a first pixel and values of peripheral pixels disposed around the first pixel. The first pixel is disposed at a first position and has a first color. The calculator calculates a first feature quantity of the value of the first pixel relating to a difference between the value of the first pixel and the values of the peripheral pixels. The calculator calculates a value relating to a second color at the first position by using a first filter coefficient and the values of the peripheral pixels. The first filter coefficient is determined according to the first feature quantity and the first position. The output interface outputs the calculated value relating to the second color at the first position.

Abstract: According to one embodiment, an image processing device includes a calculator. The calculator acquires image information including a reference frame and a plurality of target frames. The calculator estimates a first motion of the target frames with respect to the reference frame and derives a first stored frame by adding the target frames each of which positions was adjusted based on the first motion. The calculator estimates a second motion of the target frames with respect to the reference frame and derives a second stored frame by adding the plurality of the target frames each of which position was adjusted based on the second motion. The estimation of the second motion is different from the estimation of the first motion. The calculator generates an output frame using the first stored frame and the second stored frame.

Abstract: An image processing apparatus includes an operating unit configured to calculate a tangent-line direction of an edge and a normal-line direction of the edge by using a vertical-direction derivative value and a horizontal-direction derivative value of a pixel value of a pixel in an input image; a converting unit configured to convert local coordinates positioned within a predetermined area with respect to a target pixel in the input image into rotated coordinates, by rotating the local coordinates according to an angle formed by the horizontal direction and the tangent-line direction of the edge; and a fitting unit configured to perform, at the rotated coordinates, a fitting process that employs a least-squares method by using a curved surface model expressed with the pixel value of the target pixel in the input image.

Abstract: A detecting unit detects an object in an input image. A depth map generating unit selects a depth template corresponding to a type of the object and places a selected depth template on a depth map in accordance with a position of the object to generate the depth map having a depth value for each pixel. A correcting unit calculates a weight of at least one interested pixel and a weight of a peripheral pixel based on a relationship between pixel values to the interested pixel and the peripheral pixel and corrects the depth value of the interested pixel based on a weighted sum of the respective depth values corresponding to the interested pixel and the peripheral pixel. An image generating unit generates parallax images based on the corrected depth map and the input image.

Abstract: An image processing device includes a processor and a memory storing instructions causing the processor to: generate a first intermediate image by applying, to an input image, inverse conversion being inverse of conversion corresponding to degrading process of imaging the input image; generating a second intermediate image by adding a frequency component to the input image; generate a weighting factor so that a second residual error between a second image and the input image becomes smaller than a first residual error between a first image and the input image, the first image being obtained by applying the conversion to the second intermediate image, and the second image being obtained by applying the conversion to a composite image obtained by the weighted addition of the first and second intermediate images; and generate the composite image by performing the weighted addition of the first and second intermediate images using the weighting factor.

Abstract: There is provided an image processing device including: a motion vector acquirer, a position generator, a weight calculator and an image generator. The acquirer acquires motion vectors with respect to a reference frame for pixels of an input frame. The position generator generates first position information indicating a position on a first frame on a basis of position information in the input frame and the motion vector of the pixel, for each pixel of the input frame. The calculator calculates a weight depending a distance from the position indicated by first position information to a pixel of the first frame, for each pixel of the first frame. The generator calculates an output pixel value, for each pixel of the first frame, on a basis of the weight and a pixel value of the pixel in the input frame, to generate an output frame.

Abstract: A portable display device includes a display unit, a first capturing unit, and a second capturing unit. The display unit includes a rectangular display screen for displaying an image. The first capturing unit is configured to capture an image of an object. The first capturing unit is arranged in a region, corresponding to a first side of the display screen, which is a part of a peripheral region of the display unit other than the display screen. The second capturing unit is configured to capture an image of the object. The second capturing unit is arranged in a region, corresponding to a second side adjacent to the first side, which is a part or the peripheral region.

Abstract: A stereoscopic display device for three-dimensionally displaying a display image to enable a viewer to view the display image using glasses is disclosed. The device includes a receiving unit, a display memory unit, a controller unit, an adjusting unit, and a display unit. The receiving unit receives, form the glasses, glasses information used to identify an attribute of the glasses. The display memory unit stores parameter information corresponding to the received glasses information and used to control a quality of the display image when the display image is displayed. The controller unit generates image control information in accordance with the parameter information. The adjusting unit adjusts the display image based on the image control information to generate an adjusted display image. The display unit displays the adjusted display image.

Abstract: According to an embodiment, there is provided an image processing device that displays a stereoscopic image on a display device having a panel and an optical aperture, including: a parallax image acquiring unit, a viewer position acquiring unit and an image generating unit. The parallax image acquiring unit acquires at least one parallax image, the parallax image being an image for one viewpoint. The viewer position acquiring unit acquires a position of a viewer. The image generating unit corrects a parameter for correspondence relationship between the panel and the optical aperture based on the position of the viewer relative to the display device, and generates an image, based on the corrected parameter, to which each pixel of the parallax image is allocated such that the stereoscopic image is visible to the viewer when the image is displayed on the display device.

Abstract: According to one embodiment, a depth signal generating apparatus includes following units. The calculating unit is configured to calculate a statistic value for pixel values for each of predefined areas in the first image, and calculate, for each of predetermined base depth models, a first evaluation value based on the calculated statistic value. The correcting unit is configured to correct, based on a second evaluation value previously derived for the second image and a first degree of similarity indicating a similarity between the predetermined base depth models, the first evaluation value to derive second evaluation values for the predetermined base depth models. The selecting unit is configured to select a base depth model having the highest second evaluation value from the predetermined base depth models. The generating unit is configured to generate a depth signal based on the selected base depth model.

Abstract: According to an embodiment, an image processing device provides a stereoscopic image to be displayed on a display and includes an acquisition unit, first and second calculators, a selector, and a determiner. The acquisition unit acquires observer information. The first calculator calculates, a viewpoint vector pointing from one to another of the observer position of each observer and the display, and an eye vector pointing from one to another eye of the observer, based on the observer information. The second calculator calculates a weight indicating a degree of desirability of stereoscopic viewing for each observer when the stereoscopic image according to one of display parameters is displayed on the display) by using the viewpoint vector and the eye vector of the observer. The selector selects one display parameter based on the weight. The determiner determines the stereoscopic image according to the selected display parameter.

Abstract: According to an embodiment, a stereoscopic image display device includes a display, a determiner, a generator, and a display controller. The display is configured to display a stereoscopic image which includes a plurality of parallax images having mutually different parallaxes. The determiner is configured to determine the number of parallaxes in such a way that, the larger a viewing distance from the display to a viewer, the smaller becomes the interval between light beams which belong to each of the parallax images and which are emitted from the display. The generator is configured to generate the parallax images in number corresponding to the number of parallaxes. The display controller is configured to display the parallax images on the display.

Abstract: A device according to embodiments comprises an acquisition unit, a calculation unit, a selection unit, a generation unit, a projection unit, a denoising unit and a reconstruction unit. The acquisition unit may acquire a plurality of basis pattern for converting a first region and a second region in a target image. The calculation unit may calculate a contribution ratio of each basis pattern. The selection unit may select one or more basis patterns from higher contribution ratio to lower contribution ratio until a sum of selected contribution ratios reaches a specific first threshold. The generation unit may generate a control signal increasing with the number of the basis pattern selected by the selection unit. The projection unit may project a third region in the target image to the basis patterns to obtain a projection coefficient.

Abstract: According to one embodiment, a depth correction apparatus includes a clusterer, a calculator and a corrector. The clusterer is configured to apply clustering to at least one of pixel values and depth values of a plurality of pixels in a calculation range corresponding to a correction target pixel, and to classify the plurality of pixels in the calculation range into a plurality of classes. The calculator is configured to calculate pixel value statistics of the respective classes using pixel values of pixels in the respective classes. The corrector is configured to determine a corresponding class of the correction target pixel based on a pixel value of the correction target pixel and the pixel value statistics of the respective classes, and to apply correction which replaces a depth value of the correction target pixel by a representative depth value of the corresponding class.

Abstract: According to an embodiment, an image processing device includes an acquirer, a calculator, and a display controller. The acquirer is configured to acquire a three-dimensional coordinate value that indicates a position of a viewer. The calculator is configured to, using the three-dimensional coordinate value, calculate a reference coordinate value that indicates a position of the viewer in a reference plane that includes a visible area within which the viewer is able to view a stereoscopic image. The display controller is configured to control a display, which displays the stereoscopic image for which the visible area is different for each different height, so as to display information corresponding to the reference coordinate value.

Abstract: A portable display device includes a display unit, a first capturing unit, and a second capturing unit. The display unit includes a rectangular display screen for displaying an image. The first capturing unit is configured to capture an image of an object. The first capturing unit is arranged in a region, corresponding to a first side of the display screen, which is a part of a peripheral region of the display unit other than the display screen. The second capturing unit is configured to capture an image of the object. The second capturing unit is arranged in a region, corresponding to a second side adjacent to the first side, which is a part of the peripheral region.

Abstract: A 3D display apparatus according to an embodiment comprises a display unit, an input unit, an estimator, a generator and an output unit. The display unit is capable of displaying a plurality of parallax images as a 3D image. Each of the parallax images may have a mutually different parallax. An input unit may input an input image. An estimator may estimate a relative tilt angle of an interocular direction of an observer with respect to a reference direction having been preset on the display unit. A generator may generate the parallax images from the input image using the relative tilt angle, each of the parallax images having the mutually different parallax along the interocular direction. An output unit may make the display unit display the parallax images.

Abstract: A motion vector detection device includes: a matching error calculation part that calculates matching errors between a focus block and each of reference blocks; a least matching error calculation part calculating a least matching error from among the matching errors; a threshold calculation part calculating a threshold value; a correction vector calculation part calculating a correction vector from motion vectors detected in the reference blocks; and a motion vector determination part determining, as a motion vector for the focus block, a relative position vector in a block in which the relative position vector with respect to the focus block is the closest to the correction vector, the block being selected from among the reference blocks in which a difference between the plurality of matching errors and the least matching error is within the threshold value.