Patent application number | Description | Published |
20120075502 | IMAGE PROCESSING APPARATUS THAT CORRECTS DETERIORATION OF IMAGE, IMAGE PICKUP APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM - An image processing apparatus includes a data storing portion configured to store coefficient data for reconstructing an optical transfer function of an image pickup optical system in accordance with a type of the image pickup optical system and an imaging condition, a tap number determining portion configured to determine a tap number of the optical transfer function that is reconstructed by using the coefficient data in accordance with a size of one pixel of an image pickup element, and a reconstruction portion configured to reconstruct the optical transfer function in accordance with Nyquist frequency of the image pickup element and the tap number in a frequency space. | 03-29-2012 |
20130010158 | IMAGE PROCESSING APPARATUS AND IMAGE PICKUP APPARATUS - An image processing apparatus includes a memory configured to store information of an OTF or a PSF of an optical system for at least one of capturing conditions, and an image processor configured to generate secondary and higher components of a phase of an OTF or a shape component of a PSF corresponding to a capturing condition of a captured image through an interpolation based on at least two OTFs or PSF in the memory, while center-of-gravity positions or maximum intensity positions are accorded with each other or differential root-mean-square values of the point spread functions are minimum, and to restore the image utilizing the generated OTF or an OTF derived from the generated PSF. | 01-10-2013 |
20130038749 | IMAGE PROCESSING METHOD, IMAGE PROCESSING APPARATUS, IMAGE PICKUP APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM - An image processing method of performing an image restoration processing of an image, includes the steps of generating a plurality of first optical transfer functions depending on a position of the image using coefficient data depending on an image pickup condition of the image, generating a plurality of second optical transfer functions by rotating the first optical transfer functions around a center of the image or around an optical axis of an image pickup optical system, generating an image restoration filter based on the first optical transfer functions and the second optical transfer functions, and performing the image restoration processing of the image using the image restoration filter. | 02-14-2013 |
20130050539 | IMAGE PROCESSING PROGRAM, IMAGE PROCESSING METHOD, IMAGE PROCESSING APPARATUS, AND IMAGE PICKUP APPARATUS - A non-transitory computer-readable storage medium stores a process for causing a computer to execute a method including the steps of acquiring optical transfer function information corresponding to an image pickup condition of a picked-up image (S | 02-28-2013 |
20130100309 | IMAGE PROCESSING APPARATUS THAT CORRECTS DETERIORATION OF IMAGE, IMAGE PICKUP APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM - An image processing apparatus includes a data storing portion configured to store coefficient data for reconstructing an optical transfer function of an image pickup optical system in accordance with a type of the image pickup optical system and an imaging condition, a tap number determining portion configured to determine a tap number of the optical transfer function that is reconstructed by using the coefficient data in accordance with a size of one pixel of an image pickup element, and a reconstruction portion configured to reconstruct the optical transfer function in accordance with Nyquist frequency of the image pickup element and the tap number in a frequency space. | 04-25-2013 |
20140063325 | IMAGE PROCESSING METHOD, IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING PROGRAM - The image processing apparatus includes an image inputting part configured to acquire a captured image produced by an image pickup system including an optical system and an image sensor, a filter producing part configured to produce an image restoration filter, and a restoration processing part configured to perform an image restoration process on the captured image by using the image restoration filter to produce a restored image. The filter producing part is configured to set amplification factors for respective frequency components in the image restoration filter according to a frequency characteristic of an alias signal that may be generated in the image sensor. | 03-06-2014 |
20140211038 | IMAGE PROCESSING APPARATUS, IMAGE PICKUP APPARATUS, IMAGE PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM - An image processing apparatus ( | 07-31-2014 |
20150146996 | GENERATION METHOD OF IMAGE RESTORATION FILTER, IMAGE PROCESSING METHOD, IMAGE PICKUP APPARATUS, IMAGE PROCESSING APPARATUS, AND RECORDING MEDIUM - A method for generating an image restoration filter used to correct a deterioration of an image captured through an optical system includes a first step of setting a target restoration gain value representative of a target restoration degree of an absolute value of an optical transfer function of the optical system, within a restoration gain limiting value calculated by dividing a maximum value operable by a fixed-point arithmetic by a data point number of the optical transfer function, and a second step of generating, through the fixed-point arithmetic, a frequency characteristic of the image restoration filter based on the target restoration gain value set by the first step. | 05-28-2015 |