Patent application number | Description | Published |
20110122299 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND CAMERA MODULE - According to the embodiments, an image processing apparatus includes a weight coefficient calculating unit, a defect-correction-coefficient switching unit, and a convolution operation unit. The weight coefficient calculating unit calculates a weight coefficient for scaling processing. The defect-correction-coefficient switching unit performs switching of the weight coefficient for defect correction for a defect correction target pixel in which a defect is detected. | 05-26-2011 |
20120019691 | IMAGE PROCESSING APPARATUS, CAMERA MODULE, AND IMAGE PROCESSING METHOD - According to one embodiment, a selection unit selects a pixel value to be assigned to a target pixel according to a determination result of a defect determining unit. The defect determining unit performs defect determination according to the level of a signal-to-noise ratio (SNR) estimated by an SNR estimating unit. In the case where the defect determining unit determines that the target pixel is a defect, the selection unit outputs a pixel value according to the level of the SNR. | 01-26-2012 |
20120019692 | IMAGE PROCESSING APPARATUS, CAMERA MODULE, AND IMAGE PROCESSING METHOD - According to one embodiment, a second determining unit performs defect determination according to an illumination light component, which is a component of illumination light irradiated onto an object, of pixel values of a plurality of adjacent pixels. A third determining unit performs defect determination according to a reflectivity component, which is a component based on a unique reflectivity of the object, of the pixel values of the plurality of adjacent pixels. | 01-26-2012 |
20120314106 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND SOLID-STATE IMAGING DEVICE - According to embodiment, an image processing device includes a black level correcting section. The black level correcting section includes a first input restricting unit and a second input restricting unit. The second input restricting unit performs a second input restriction, having a second signal level range including a moving average as a reference, on a black level signal subjected to a first input restriction by the first input restricting unit. A correction amount calculation unit calculates a difference of an average of signal values subjected to the second input restriction and a black level standard value as a correction value to apply on an effective pixel signal. | 12-13-2012 |
20120314107 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND SOLID-STATE IMAGING APPARATUS - According to embodiments, an image processing apparatus includes an image signal holding unit. The image processing apparatus uses an image signal passing through the common image signal holding unit to generate first, second and third correction values. The first correction value is a signal value applied to a pixel in which saturation of an output occurs in a saturation determination. The second correction value is a signal value subjected to a noise cancellation process. The third correction value is a signal value applied to a pixel in which defect occurs in a defect determination. | 12-13-2012 |
20130021492 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND SOLID-STATE IMAGING DEVICE - According to embodiments, an image processing device includes a line-exposure selecting unit. The line-exposure selecting unit is capable of switching a pattern of selecting a first exposure time and a second exposure time. The second exposure time is shorter than the first exposure time. The line-exposure selecting unit switches the pattern according to at least one of a frame rate required of a synthetic image and an image size required of a synthetic image. | 01-24-2013 |
20130222620 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND SOLID-STATE IMAGING DEVICE - According to an embodiment, a high dynamic range synthesizing circuit includes an interpolation processing unit, a blur detection unit and a mix processing unit. The interpolation processing unit generates an interpolation signal. The blur detection unit uses a first image signal and a second image signal a signal level of which is adjusted for detecting the amount of blur. The mix processing unit performs processing of mixing the second image signal into the interpolation signal. The mix processing unit applies a weight of the second image signal depending on the amount of blur to the interpolation signal by the mix processing. | 08-29-2013 |
20130222625 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND SOLID-STATE IMAGING DEVICE - According to one embodiment, a high dynamic range synthesizing circuit includes an interpolation processing unit. The interpolation processing unit generates an interpolated signal for a first pixel, which is set as a target pixel, through an interpolation process using a second image signal from a second pixel which is a peripheral pixel. The interpolation processing unit generates an interpolated signal for the second pixel, which is set as a target pixel, through an interpolation process using the first image signal from the first pixel which is a peripheral pixel. | 08-29-2013 |
20140063294 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND SOLID-STATE IMAGING DEVICE - According to an embodiment, a high dynamic range synthesizing unit synthesizes first image signal and second image signal. A main control exposure value calculating unit calculates a main control exposure value based on a signal designated as a main control signal between the first image signal and the second image signal. A sub-control exposure value calculating unit multiplies the main control exposure value by a high dynamic range magnification and sets the multiplication result as a sub-control exposure value for a sub-control signal. The sub-control signal causes the main control signal to follow lightness adjustment. | 03-06-2014 |
20140085522 | SOLID-STATE IMAGING DEVICE, CAMERA MODULE, AND IMAGING METHOD - According to one embodiment, a solid-state imaging device includes a pixel array and a row selection circuit. The pixel array outputs a signal for each cell. The cell includes a plurality of pixels arranged in parallel in a column direction. The cells are arranged such that positions in the column direction of a first cell and a second cell are staggered. The first cell includes a blue pixel and a green pixel. The second cell includes a green pixel and a red pixel. In a binning process in the column direction, the row selection circuit selects rows including the green pixel in the first cell at the same time for the first cell. In the binning process in the column direction, the row selection circuit selects rows including the green pixel in the second cell at the same time for the second cell. | 03-27-2014 |
20140111675 | SOLID-STATE IMAGING DEVICE, IMAGE PROCESSING METHOD, AND CAMERA MODULE - According to one embodiment, a solid-state imaging device includes a high dynamic range (HDR) synthesizing unit. The HDR synthesizing unit synthesizes a first image signal from a first pixel and a second image signal from a second pixel. The first pixel is a pixel to which a first exposure time is applied. The second pixel is a pixel to which a second exposure time is applied. The second exposure time is shorter than the first exposure time. The first and second horizontal lines form a periodic array. The first horizontal line is a horizontal line formed by the first pixels. The second horizontal line is a horizontal line formed by the second pixels. In the periodic array, a combination of the first horizontal lines and the second horizontal lines of the number which is twice the number of first horizontal lines is formed as units. | 04-24-2014 |
20140153841 | IMAGE PROCESSING DEVICE - According to one embodiment, an image processing device includes a line memory that stores an input image by a plurality of rows; a defect correcting circuit that performs defect correction on the input image based on image data stored in the line memory; a binning circuit that generates a low pass image having a lower spatial frequency than the input image by binning the input image subjected to the defect correction; a frame buffer that stores the low pass image; a filter that generates a high pass image having a higher spatial frequency than the low pass image by filtering the input image subjected to the defect correction; and a mixing circuit that mixes the low pass image with the high pass image. | 06-05-2014 |
20140204253 | SOLID-STATE IMAGING DEVICE - According to one embodiment, a pixel array unit, an exposure period control unit, and a charge discharge control unit are provided. In the pixel array unit, pixels that accumulate photoelectrically converted charges are arranged in a matrix form. The exposure period control unit controls an exposure period of the pixels with respect to each of lines. The charge discharge control unit performs discharge control of charges accumulated in the pixels in a non-exposure period of the pixels with respect to each of lines. | 07-24-2014 |