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| Number | Title | Issue Date |
| 8189067 | Determining the illuminant in a captured scene A method for determining an illuminant in a scene includes, applying, to sampled outputs of a sensor array used to capture the scene, a plurality of color-correction profiles, wherein each color-correction profile corresponds to a particular illuminant, thereby form... | 05/29/2012 |
| 8089529 | Image pick up device An image pickup device includes an optical system; an image sensor; an AGC circuit; an image processing unit configured to perform at least an MTF correction process; and a control unit configured to control the image processing unit so as not to perform the MTF cor... | 01/03/2012 |
| 7990431 | Calculation method for the correction of white balance A calculation method for calculating a white balance correction value is disclosed. When an image capture device utilizes an auxiliary light to capture an image, the weightings of the image color impacted by the color temperature of each light source are obtained by... | 08/02/2011 |
| 7978230 | Method and apparatus for controlling a camera module to compensate for the color spectrum of a white LED A method and an apparatus enabling use of a light source emitting a spectrum of light not following characteristics of a blackbody source of light with a camera module programmed for use with light sources following characteristics of blackbody sources of light, whe... | 07/12/2011 |
| 7973829 | Image sensing apparatus, image sensing method, recording medium, and program for controlling exposure by correcting a brightness value when an optical filter is manually inserted An object of the invention is to provide an image sensing apparatus capable of sensing an image in consideration of the influence of inserting/removing an optical filter, an image sensing method, a recording medium, and a program. To achieve this object, a brightnes... | 07/05/2011 |
| 7969483 | White balance control method, imaging apparatus and storage medium storing white balance control program There is provided a white balance control method. A color space coordinate expressing a color signal of each divided block is transformed into a white balance determination space coordinate. A light source estimation area and a high-saturation determination area are... | 06/28/2011 |
| 7932932 | Method and apparatus for a chopped two-chip cinematography camera A method of capturing a color image includes steps of operating a first sensor of a camera to integrate a first charge over a first time interval, operating a second sensor of the camera to integrate a second charge over a second time interval and scanning the first... | 04/26/2011 |
| 7924322 | White balance processing for image pickup corresponding to zooming An image pickup apparatus which is arranged so that a calculation portion calculates a first adjustment value for white balance adjustment from a first image obtained by capturing an image at first timing, a discrimination portion discriminates depending on objects ... | 04/12/2011 |
| 7924321 | Apparatus and method for high dynamic range imaging using spatially varying exposures Apparatus and methods are provided for obtaining high dynamic range images using a low dynamic range image sensor. The scene is exposed to the image sensor in a spatially varying manner. A variable-transmittance mask, which is interposed between the scene and the im... | 04/12/2011 |
| 7852381 | Image signal processor with white balance calculation based upon selected prediction area An image signal processor comprising an image signal receiver and a white balance processing block is provided. The image signal receiver receives an image signal. The image signal is generated by an imaging device when the imaging device captures an optical image o... | 12/14/2010 |
| 7825958 | Method and apparatus for controlling a camera module to compensate for the light level of a white LED A method and an apparatus enabling use of a light source emitting a light of changing intensity and changing spectrum as a flash with a camera module having a white-balance routine and an exposure routine, wherein an initial value representative of a color spectrum ... | 11/02/2010 |
| 7808532 | Strategies for extracting foreground information using flash and no-flash image pairs A flash-based strategy is used to separate foreground information from background information within image information. In this strategy, a first image is taken without the use of flash. A second image is taken of the same subject matter with the use of flash. The f... | 10/05/2010 |
| 7760246 | Method and device for adjusting white balance A method and device for adjusting white balance are disclosed herein. The method may comprise generating data representative of an image with and without the use of a strobe. The contribution of the strobe and the contribution of ambient light are on the data are ca... | 07/20/2010 |
| 7755672 | Techniques for modifying image field data obtained using illumination sources Techniques for modifying data of an image that can be implemented in a digital camera, video image capturing device and other optical systems are provided to correct for non-uniform illumination and/or effects of saturation appearing in data obtained using one or mo... | 07/13/2010 |
| 7746386 | Image pickup device and method The present invention relates to an image pickup device including: a detecting unit for detecting a position of a filter for changing light separation; and a white balance controlling unit for performing white balance control on a basis of the position of the filter... | 06/29/2010 |
| 7733383 | Image capture apparatus with a color property control function and image capture program Color temperature is calculated on the basis of image data captured by a CCD. An appropriate exposure value is calculated on the basis of a brightness component of the image data. It is determined whether or not LEDs should emit auxiliary lights to obtain the approp... | 06/08/2010 |
| 7710466 | Method and apparatus for controlling a camera module to compensate for the color spectrum of a white LED A method and an apparatus enabling use of a light source emitting a spectrum of light not following characteristics of a blackbody source of light with a camera module programmed for use with light sources following characteristics of blackbody sources of light, whe... | 05/04/2010 |
| 7701489 | Method and apparatus for color correction Methods and apparatuses for color correction using diffusers. At least one embodiment of the present invention seeks to perform color correction using color signals detected for the light passing through a diffuser. While typically software-based color correction me... | 04/20/2010 |
| 7679653 | Digital image acquisition arranged to acquire image data related to different light configurations Image acquisition device, method and computer program for digital image acquisition, where the image acquisition device comprises an actuated user interface, where the image acquisition device receives control information from a user indicative of actuation of the u... | 03/16/2010 |
| 7623161 | Image pickup apparatus, white balance adjustment method therefor, and program for implementing the method An image pickup apparatus which can carry out proper white balance adjustment even at the time of bounce flash shooting. A white balance adjusting circuit uses a first correction value calculated based on shot image data as a white balance correction value when it i... | 11/24/2009 |
| 7619661 | Camera system A camera system has an optical unit including: an optical system forming subject light into an image; a shooting section receiving the subject light formed into the image through the optical system, taking the image in a shooting mode selected from plural types of s... | 11/17/2009 |
| 7583297 | Image processing method, image processing apparatus, and computer program used therewith An image processing method and apparatus performs calculating flash-component image data based on a first image captured without flash emission and a second image captured with flash emission, and generating a finally-adjusted image by using an intensity-adjusted fl... | 09/01/2009 |
| 7573508 | Image signal processing apparatus and method for performing an adaptation process on an image signal An image signal generated by a CCD image sensor is processed by the block-generating section 28 provided in an image-signal processing section 25. A class tap and a prediction tap are thereby extracted. The class tap is output to an ADRC process sectio... | 08/11/2009 |
| 7499083 | Image sensing apparatus with white balance control and image sensing method therefor An image sensing apparatus calculates the first white balance control data on the basis of representative values of data for respective color components for at least some of image sensing data, or data of average values of the color components. The apparatus calcula... | 03/03/2009 |
| 7453500 | Image sensing apparatus, white balance adjusting method, and operation processing program therefor This invention is to provide an image sensing apparatus capable of improving white balance adjustment when an electronic flash device is used. In order to achieve this object, the image sensing apparatus has a control device for acquiring a first control value, acqu... | 11/18/2008 |
| 7450161 | System and method to enhance the uniformity of intensity distribution on digital imaging sensors Systems, computer readable media and methods for digital processing of images captured by a sensor to enhance intensity uniformity of the images. The sensor captures an image of a white light source. Then, using the captured image, a compensation factor for each pix... | 11/11/2008 |
| 7443443 | Method and apparatus for enhancing flash and ambient images A method and system generate an enhanced output image. A first image is acquired of a scene illuminated by a first illumination condition. A second image is acquired of the scene illuminated by a second illumination condition. First and second gradient images are de... | 10/28/2008 |
| 7426065 | System and method for alternating between transmitting and reducing incident light on pixel portion of an imager An imager apparatus comprises a pixel and a first filter positioned in an incident light path for a portion of the pixel, the filter being operable to alternate between transmitting and reducing incident light on the pixel portion. ... | 09/16/2008 |
| 7423674 | Electronic camera having color adjustment function and program therefor An electronic camera controls an imaging section to generate a test image without flash and a main image with flash. Then, the electronic camera judges correlation between histogram distributions of the test image and the main image. If the correlation between the h... | 09/09/2008 |
| 7417671 | Image processing system capable of providing color correction An electrical signal output from an image sensing device is converted into digital image data and stored in a non-compressed form or a lossless-compressed form, in a storage medium. A user sets parameters associated with a white balance via a setting screen. The set... | 08/26/2008 |
| 7365778 | Electronic camera and white balance correction circuit The invention relates to an electronic camera and a white balance correction circuit both capable of setting white balance correction values properly at stroboscope imaging by relatively simple processing. The electronic camera has a stroboscope unit or a connection... | 04/29/2008 |
| 7362357 | Calibration of digital color imagery An apparatus and method for estimating the power spectral density of an unknown illuminant that does not require direct spectral measurements. The apparatus and method allows calibration of color images taken with commercially available digital cameras in arbitrary ... | 04/22/2008 |
| 7355635 | Electronic camera capable of having results of previous image pickup processing reflected in current image pickup processing An electronic camera according to the present invention includes an imaging part, a conditional information determining part, a storage part and a correction processing part. The imaging part images a subject to produce image data. The conditional information determ... | 04/08/2008 |
| 7355637 | Apparatus and method for managing image data by obtaining spectral reflectance Object color data without an effect of illumination light is stored together with thumbnail image data generated on the basis of the object color data and data regarding illumination light so as to have a relationship therebetween, whereby the object color data is c... | 04/08/2008 |
| 7352409 | Blue stretch circuit and level detection circuit A blue stretch circuit of this invention has a first voltage detection circuit and a second voltage detection circuit, each of which detects that an amount of each of the first and the second color difference signals are within a predetermined range, a blue stretch ... | 04/01/2008 |
| 7352894 | Systems and methods for illuminant estimation Embodiments of the present invention comprise systems and methods for estimation of an image illuminant. ... | 04/01/2008 |
| 7342610 | Color balance adjustment of image sensed upon emitting flash light In a method of controlling an image sensing apparatus, which has an image sensing device, a flash light used to illuminate an object with light, and a shutter switch, when an image sensing instruction is issued upon depression of the shutter button, an image is sens... | 03/11/2008 |
| 7336314 | Image acquiring method and image acquiring apparatus The image acquiring method and image acquiring apparatus photograph an image of a subject using stroboscopic light as external illumination. The method and apparatus compare, in terms of color change, an image acquired without using the stroboscopic light and images... | 02/26/2008 |
| 7336307 | Camera having accumulation operation in the period between the time of fully opening a leading shutter and the time of starting of a trailing shutter Disclosed is a camera including: an image-taking device; a shutter unit having a first shutter member that travels from a position where a shutter opening is closed to a position which is retreated from the opening, and a second shutter member that travels from the ... | 02/26/2008 |
| 7331692 | Light beam projector with filter set rotating on its own axis A light beam projector has a light source and a reflector arranged to have light generated by the light source converge into a light beam. The reflector has a hollow curved surface with a focal point where the light source is positioned, and a filter able to change ... | 02/19/2008 |
