Matches 301 - 350 out of 445 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
5760831 Image processing apparatus with white balance control  
An image processing apparatus comprises a coefficient generation circuit for generating a coefficient such as to decrease as a level of a luminance signal which is obtained by processing an input...
5748236 Color mixing prevention and color balance setting device and method for a field-sequential color television camera  
A device and method provides high-speed processing in a color television camera without color mixing and achieves a color balance. The device comprises a color filter for color separating the light...
5691772 White balance adjustment device  
A white balance adjustment device adapted to be used in contexts where a photographic subject is illuminated with fluorescent lighting. The white balance adjustment device includes an imaging...
5659357 Auto white adjusting device  
The present invention provides an auto white balance adjusting device which can appropriately adjust the white balance. A brightest block searching circuit (8) obtains blocks having block...
5654753 White balance correcting device for an image sensing apparatus  
A white balance correcting device for an image sensing apparatus comprising gain control circuits for different colors positioned in respective signal lines for the colors from an image sensor to...
5648818 Image pickup apparatus having color separation matrix  
An image pickup apparatus including an image pickup device to convert an image pickup light from an object to be photographed into an electric signal, a signal processing circuit to obtain a...
5644358 Automatic white balance adjusting device  
An automatic white balance adjusting device adjusts the white balance of a white object which is indoors under the influence of bright sunlight, or a white object which is indoors under the...
5644359 Image input apparatus having a white balance correction means and a method of inputting an image using the image input apparatus  
Method and apparatus for inputting an image includes structure and steps for detecting whether a pick-up mode is a person pick-up mode or a document pick-up mode. Structure and steps are provided...
5619347 Apparatus for calculating a degree of white balance adjustment for a picture  
Pieces of white balance information indicating color features of a colored picture or picture blocks obtained by partitioning the colored picture are extracted from piece of picture data of the...
5619260 Still video camera performing white-balance and auto-focus adjustment concurrently  
A still-video camera has a white balance adjustment device. The white balance adjustment device includes a filter film which has a translucent opal filter portion and a transparent filter portion....
5617139 Image pickup apparatus  
An image pickup apparatus including a memory for storing color temperature data concerning an illuminating apparatus, a colorimetric circuit for measuring a color temperature of ambient light, an...
5617141 Image pickup devices having an image quality control function and methods of controlling an image quality in image pickup devices  
An image pickup device including an image pickup unit for converting an optical image of a subject to an image signal, a signal processor for producing a video signal from the image signal, an...
5612738 System and method for compensating for color deviation in an image produced by an image capturing and reproducing apparatus such as camera  
A system for compensating for color deviation in image light of an object obtained by an image capturing and reproducing apparatus, which comprises a color temperature measuring circuit for...
5602412 Imaging device which adjusts the ratio of color excitation values produced by an image pickup element in accordance with an exit pupil position and the size of an aperture  
An imaging device which includes an optical unit passing light from a subject and having an exit pupil position. An image pickup element receives the light from the subject passing through the...
5589879 Performing white balance correction on integrated divided areas of which average color is substantially white  
White balance control for a video camera is strongly influenced by remarkably change of brightness level, color of an object and photographing conditions. An automatic white balance control device...
5583397 Strobe apparatus with color temperature control  
A strobe apparatus having a light emitter which emits strobe light and a color temperature converter for varying a color temperature of the strobe light emitted from the light emitter. The...
5581298 Color signal processing apparatus using plural luminance signals  
Disclosed is a color signal processing apparatus in which at least three types of color signals corresponding to filters are received from a solid-state image pickup element on which at least three...
5570129 Method and apparatus for correcting the white balance of a video color picture signal  
The color quality of a received color picture signal is detected by a device for measuring the intensity of at least the red component and the green component of the picture signal. A...
5568194 Adjusting a white balance in a camera using a flash  
An exposure condition when an electronic flash is to be used, i.e., an aperture value and a shutter speed, is determined based on a photometry value. Under the exposure condition, a photographing...
5565913 White balance control device for use in both an outdoor and indoor mode  
A white balance control device is provided for use in a video camera or a still video camera in which white balance control signals are controlled so that an object may be photographed without the...
5563654 White balancing apparatus utilizing only the achromatic color components in the information for white balance  
A white balancing apparatus used for video camera a signal processor for outputting red, green and blue component signals in processing a video signal, an integrator for integrating the output...
5563656 Image sensing apparatus with white balance adjustment  
An automatic white balance adjusting device in which white balance adjustment is performed by feedback controlling gains for color signals obtained from an image pickup element, comprising a first...
5559552 Movie camera with strobe light  
A movie camera having: a strobe light for illuminating a subject; a shutter speed switching circuit for changing speeds of a shutter for the charge coupled device (CCD); a white balance switching...
5557325 Video camera and its control method  
A video camera comprises an image pickup device, an extracting circuit to extract a partial image signal corresponding to a picture plane range of a predetermined portion from a whole image signal...
5555022 White balance adjusting apparatus for automatically adjusting white balance in response to color information signal obtained from image sensing device  
Sixty-four regions are established on an image sensed picture from a video camera, where evaluating value r ij , b ij , and y ij is obtained by averaging color difference signals R-Y and B-Y and...
5550587 White balance adjustment device for a still-video camera having an electronic flash  
A white balance adjusting device has a white balance sensor for sensing a color temperature and an image-object distance sensing mechanism. The image-object distance sensing mechanism senses the...
5543836 White balance using combined feedback and external color information for control  
The disclosed image sensing apparatus includes a first circuit for forming a first signal to control gains of various color signals included in the outputs of an image sensing device in accordance...
5541649 White balance adjustment apparatus  
A white balance adjustment apparatus adjusts color component video signals of an aiming subject. The apparatus includes an amplifier for amplifying the color component video signals separately, a...
5526048 White balance adjusting device for an electronic still camera  
A white balance adjusting device includes a dichroic prism for dividing light reflected from an object into a green-component, a red-component and a blue-component. These primary color components...
5517240 Image pickup apparatus including matrix computing process which uses coefficients from image pick-up output of solid state imager to generate primary color components  
A color image pickup apparatus using a single-plate type solid-state image sensor is arranged to obtain a signal of an excellent color separation characteristic. An object image is formed on the...
5508739 White-balance adjusting apparatus and a method thereof for a video camera  
An improved white-balance adjusting apparatus and a method thereof for a video camera capable of automatically varying a white-balance trace region in accordance with a change in color temperatures...
5504524 Method and apparatus for controlling color balance of a video signal  
A method of controlling the colour balance of a video signal which comprises green, red and blue channel singals. Pixels are identified which have a green intensity within a peak intensity band....
5485202 White balance adjusting apparatus  
In a white balance adjusting apparatus, information about picture portions whose color components cannot be detected under normal conditions, e.g., picture portions whose brightness level is...
5461429 White balance and image color control device  
A white balance coefficient setting unit 51 sets a white balance coefficient for an image signal; a white balance correction coefficient determination unit 52 determines two white balance...
5438363 Camera capable of adjusting white balance during underwater photography  
An electronic still camera is equipped with a white balance sensor and a white balance adjustment circuit so that when photographs are taken underwater (whether only the subject or both the camera...
5430482 Electronic view finder having a color vector display  
In a video signal camera having a signal processor for generating a luminance signal Y and a chrominance signal components R-Y and B-Y, an electronic view finder having a color vector display for...
5426461 Image pickup signal processing apparatus for performing nonlinear processing  
An image pickup signal processing apparatus includes an A/D converter and a nonlinear signal processing circuit for comparing an image pickup signal input to the A/D converter and a voltage...
5424774 Image sensing apparatus  
An image sensing apparatus includes an image sensing circuit, an inverting circuit for inverting a polarity of an output of the image sensing circuit, and a correcting circuit for correcting a...
RE34926 Color temperature detecting device for producing a color temperature signal developed using the ratio between color component signals  
A color temperature detecting device includes a color component detecting element for detecting electric charges for color components excited by incident light and accumulated with the lapse of...
5408263 Electronic endoscope apparatus  
An electronic endoscope apparatus has an arrangement that its discrimination circuit discriminates the type or the operational state of the light source in accordance with a discrimination signal...
5389969 Apparatus using brightness information from a photometering circuit and a brightness-converted green component from a color metering circuit to ultimately adjust white balance  
A white balance adjuster of a camera comprises a photometering unit for metering a brightness of an object based on a light directed to an image pickup unit of the camera, a color metering unit for...
5387931 Carrier level balancing circuit for color camera  
A carrier level balancing circuit in which a color aliasing signal occurring when a cameraman takes a picture of an object of an achromatic (black and white) color can be canceled completely. In a...
5365267 White balance target  
A target for use in white balancing video cameras and, in particular, video cameras suitable for endoscopic use. The target is molded from an elastomeric material having the ability to diffuse a...
5363135 Endoscope having a semi-conductor element illumination arrangement  
A device for the acquisition of images of an object, of the type including a light emitting source for illuminating said object and a light sensor of the monochromic charge coupled device type and...
5361093 Automatic white balance setting device  
An automatic white balance device that uses a video signal to obtain the white balance data, and is characterized by using a third video signal, selectively obtained using a first video signal...
5351079 Color balance adjusting apparatus using a decorrelating neural network  
A color balance adjusting apparatus for adjusting color imbalance due to the difference in color temperature between a preferable standard illuminant and an illuminant under which a color image is...
5337152 Solid-state color imaging apparatus  
A first solid-state imaging element and second and third solid-state imaging elements are arranged spatially so as to be horizontally shifted half a pixel pitch from one another so that a...
5327171 Camera system optics  
The camera system of the present invention simultaneously searches for a number of differing optical acquisition targets. This system may decode, for example, both bar codes and concentric rings....
5327226 Method and system for automatically adjusting color balance of a TV camera  
In an automatic color-balance setup system for a color TV camera, a chart board having a white pattern, a black pattern and a gray pattern is imaged by the color TV camera for the purpose of color...
5325185 Apparatus and method for adjusting white balance of a video camera  
A white balance adjustment circuit in which red, green and blue video signals representative of a video image are passed through red, green and blue amplifiers. A first detector detects the levels...
Matches 301 - 350 out of 445 < 1 2 3 4 5 6 7 8 9 >