摘要:
According to an embodiment, an image processing apparatus creates a depth map representing distribution of depths of pixels in an image. The apparatus includes an area detecting unit configured to detect an area of a vertical object included in an image; a base depth adding unit configured to add a base depth to the image, the base depth being a basic distribution of depths of pixels in the image; and, a depth map creating unit configured to acquire at least one depth of a vicinity of a ground contact position of the vertical object from the base depth added to the image, and create the depth map by setting the acquired depth onto the base depth as a depth of the area of the vertical object.
摘要:
According to one embodiment, a parallax image generation apparatus comprises a calculation unit and a generation unit. The calculation unit is configured to calculate a distance between a target pixel value of a target pixel contained in an input image and a representative pixel value, and calculating a depth of the target pixel in a stereoscopic space in accordance with the distance. The generation unit is configured to generate, based on the depth, at least one parallax image corresponding to a view point different from that of the input image.
摘要:
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.
摘要:
A degraded-image restoration method includes inputting a degraded image degraded by a predetermined degradation process; reading from a storage unit a filter coefficient in a filtering process of restoring the degraded image, in which an iteration formula for minimizing a square error between the degraded image and an image obtained by degrading a restored image by the degradation process is expanded corresponding to a predetermined number of iterations; and performing the filtering process using the filter coefficient with respect to the degraded image to obtain a restored image of the degraded image. Accordingly, a throughput in an apparatus that restores the degraded image can be reduced, thereby obtaining a preferable restored image.
摘要:
An image matching method includes setting first and second lattices to first and second images respectively, computing potential force to each second lattice point of the second lattice by a gradient of an image correlation potential energy based on a position of each first lattice point and pixel thereof and a position of the second lattice point and pixel thereof, computing elasticity force to the second lattice point from elasticity energy between the second and adjacent lattice points, computing frictional force occurring at the second lattice point, performing a numerical analysis of an equation of motion regarding the second lattice point and based on the potential force, elasticity force and frictional force to obtain a convergence state of the second lattice points, and adding a new lattice point between an adjacent lattice point pair of second lattice points according to a distance between the adjacent lattice point pair.
摘要:
An image matching method includes setting first and second lattices to first and second images respectively, computing potential force to each second lattice point of the second lattice by a gradient of an image correlation potential energy based on a position of each first lattice point and pixel thereof and a position of the second lattice point and pixel thereof, computing elasticity force to the second lattice point from elasticity energy between the second and adjacent lattice points, computing frictional force occurring at the second lattice point, performing a numerical analysis of an equation of motion regarding the second lattice point and based on the potential force, elasticity force and frictional force to obtain a convergence state of the second lattice points, and adding a new lattice point between an adjacent lattice point pair of second lattice points according to a distance between the adjacent lattice point pair.
摘要:
An interpolation image generating method includes dividing each of the first reference image and the second reference image into reference regions each including pixels, executing a correlation operation between the first reference image and first destination images located before and after the first reference image and a correlation operation between the second reference image and a second destination image to derive motion vectors for the first and second destination images every reference region, obtaining correlation values between the regions of the first and second destination images that are indicated by the motion vectors and the reference region to determine the reference region as a high or low correlation region, generating an interpolation image candidate between the first reference and second images using the reference region determined as the high correlation region, and mixing the interpolation image candidates using the motion vectors of the reference region to produce an interpolation image.
摘要:
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.
摘要:
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.
摘要:
An image processing apparatus includes a correction-amount calculating unit that calculates a motion-blur correction amount, which takes a larger value as the reproduction speed becomes lower, based on an input reproduction speed; a motion-blur correcting unit that performs scale transformation on a motion vector based on the motion-blur correction amount, acquires low frequency components of a source image and a destination image using an anisotropic Gaussian filter determined by a direction and a size of the motion vector subjected to the scale transformation, and performs edge enhancement on the source image and the destination image based on the low frequency components and high frequency components of the source image and the destination image; and an interpolation-image creating unit that creates the interpolation image using the source image for which the motion blur is corrected, the destination image for which the motion blur is corrected, and the motion vector.