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7391452 |
Successive approximation calibration apparatus, system, and method for dynamic range extender
A gain characteristic correctable dynamic range enhancement system (DRES) receives input signals from an imager device connected to a correlated double sampling (CDS) circuit for receiving the...
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7391440 |
Production system, control area for a production system and image capturing system for a production system
An advantageous production system comprises at least a camera producing a raw digital signal and a processing circuit for generating a processed video signal from the raw digital signal. In a...
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7382403 |
Apparatus and method for synthesizing image signals into a wide dynamic range image that has been processed with saturation correction
An imaging apparatus is provided with an imaging element for outputting both a color signal of high-power image data and a color signal of low-power image data; gamma correcting means for...
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7382402 |
Imaging system
An imaging system includes an imaging device which outputs a plurality of digital signals each of which indicating an amount of light irradiating on a corresponding one of a plurality of pixels...
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7379100 |
Method and system to increase dynamic range of time-of-flight (TOF) and/or imaging sensors
Dynamic range of photodetector sensors useable in a TOF system is enhanced by capturing images of an object using multiple exposure time settings. Longer exposure settings more appropriately...
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7375665 |
Image processing method and analog front end circuit
An image processing system includes a charge-coupled device sensor having a wide input dynamic range, and an analog front end circuit coupled to the charge-coupled device sensor. The front end...
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7372487 |
Image pick-up device and record medium having recorded thereon computer readable program for controlling the image pick-up device
An image pick-up device for producing a synthesized image signal having a wide dynamic range by partially exchanging a plurality of image signals from a solid state image sensing element in an...
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7369073 |
Microscopy system and recording method for visualizing fluorescence
An image sensor and a circuitry associated with the image sensor is used for recording a series of fluorescence images. The image sensor comprises a plurality of pixels for accumulating charges...
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7362358 |
Correction of level difference between signals output from split read-out type image sensing apparatus
Disclosed is an sensing apparatus using an image sensing device having at least first and second output terminals, comprising first and second amplifiers that independently amplify signals output...
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7340767 |
Camera apparatus, image server and image server system
An image server includes: a focus position control unit for determining a focus position based on a maximum value of focus evaluation detected by a picture signal level detection unit; and a focus...
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7336308 |
Digital camera with sensitivity compensation
Voltage signals outputted from a CCD are subjected to correlated double sampling processing by a correlated double sampling circuit (CDS), after which digital gain processing is carried out at a...
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7336301 |
Solid-state image sensor and a method of adjusting output of photosensitive cells adaptively to the sensitivity
A solid-state image pickup apparatus includes a solid-state image sensor in which photosensitive cells, each consisting of a main and a subregion and including an optical opening, are arranged in a...
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7333145 |
Camera module
A camera module comprising an image sensor array, a gain amplifier, an indicator set to indicate whether a first flash device or a second flash device is present, and a plurality of storage...
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7317478 |
Solid-state imaging apparatus and digital camera
In a solid-state imaging apparatus provided with a solid-state imaging element having a plurality of pixels for subdividing incident light from a photographic subject into a plurality of color...
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7304679 |
Preview mode low resolution output system and method
A processing system for a charge coupled device (CCD) or CMOS imaging system includes a correlated double sample (CDS) circuit for receiving data from an imager, a variable gain amplifier (VGA)...
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7298402 |
Image-pickup apparatus with expanded dynamic range capabilities
The present invention provides an image-pickup apparatus such as a digital still camera. Herein, prior to actual photographing, pre-photographing is performed with a shutter speed set to a...
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7295241 |
Image capturing apparatus, image capturing method, and computer-readable medium storing a program for an image capturing apparatus
An image capturing apparatus for acquiring images having high dynamic range. The image capturing apparatus includes CCD consisting of a first photo detector for detecting light from central area of...
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7289149 |
Operational transconductance amplifier for high-speed, low-power imaging applications
A low power imaging array has a plurality of pixels wherein each pixel converts an intensity of incident light into electrical energy. An operational transconductance amplifier is utilized in...
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7289145 |
Correlated double sampling variable gain amplifier circuit for use in a digital camera
An image processor system for a charge coupled device (CCD) or CMOS imaging system includes a correlated double sample and variable gain (CDSVGA) circuit for receiving data from a CCD system and an...
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7286180 |
CMOS image sensor with a low-power architecture
A system of reducing power consumption in and active pixels sensor. The sensor is broken into different blocks, and each of the blocks is individually optimized. The optimization may include...
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7286166 |
Calibrating digital cameras for varying ambient light conditions
An internal or external device may be utilized to calibrate a digital camera for changing ambient light conditions. The device may include a surface which either provides for white light...
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7265785 |
Imaging apparatus and method that provide high resolution under low illumination without substantial S/N degradation
An imaging apparatus provides minimal S/N degradation with a high resolution at low illumination. The imaging apparatus includes a CCD, a gain adjusting section, an LPF for performing smoothing on...
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7262798 |
System and method for simulating fill flash in photography
A digital camera simulates the use of fill flash. The camera takes a series of photographs of a scene at various focus distances. The photographs are stored, along with their corresponding focus...
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7259784 |
System and method for camera color calibration and image stitching
A practical, real-time calibration of digital omnidirectional cameras in the areas of de-vignetting, brightness, contrast, and white balance control. Novel solutions for the color calibration of an...
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7256378 |
Output-compensating device for image sensor
An output compensating device capable of optimally compensating output signals of an image sensor composed of a number of light-sensor circuits, each of which represents a unit pixel and is capable...
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7248296 |
Automatic gain control device for electronic endoscope
An automatic gain control device for an electronic endoscope is provided and comprises a controllable gain amplifier, an A/D converter, a histogram circuit, and a CPU. The controllable gain...
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7245320 |
Method and apparatus for automatic gain and exposure control for maintaining target image brightness in video imager systems
In an image processing system, the imager gain and the exposure time are adjusted based on a predefined stepping sequence using a stepping table designed to maximize the signal-to-noise ratio in...
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7245318 |
Imaging apparatus that corrects an imbalance in output levels of image data
In an imaging apparatus, a method of correcting image data, or a storage medium storing a program, a target is imaged in a plurality of imaging regions and image data is output from each of the...
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7242426 |
Digital still camera for recording images in high and low sensitivity modes
The present invention provides a digital still camera that can read high quality image data from a solid state image pickup device in both the low and the high sensitivity modes. The digital still...
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7236192 |
Image-sensing device
Based on the output signal of an area sensor 1 , a level adjustment circuit 2 adjusts the bias voltage fed to the transistors provided within the individual pixels of the area sensor 1 and...
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7221394 |
Digital camera
A digital camera comprises a solid state imaging device provided with an optical low-pass filter. A photographing optical system forms an object image on a light receiving surface of a CCD through...
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7218353 |
Electronic camera that selectively performs different exposure calculation routines
If an electronic camera is set in an image-capturing sensitivity automatic control mode, a program autoexposure calculation is executed based upon the subject brightness and the image-capturing...
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7202892 |
Image pickup method and apparatus, and image processing method and apparatus for adapting to synthesize a plurality of images
In an image pickup apparatus, a level compensator compensates the level of an image xL (i, j) sensed by an image sensor by exposure for a long time on the basis of the exposure of the image to...
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7199823 |
Method and apparatus for improving live view performance of an image pickup apparatus for a microscope
There is disclosed an image pickup apparatus for a microscope, comprising a photometry section for acquiring a photometry value corresponding to a brightness of an observed image, an exposure...
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7199351 |
Solid state image sensing apparatus with output level controller
A solid state image sensing apparatus having: an image pickup device including; a semiconductor substrate of a first conductivity type, a well of a second conductivity type formed in the...
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7190403 |
Solid-state image pickup apparatus having a broad photometric range and a photometric method for the same
A solid-state image pickup apparatus includes a timing signal generator for generating timing signals. Particular gates formed in each of photosensitive cells arranged in an image pickup section...
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7190402 |
Visual sensor for capturing images with different exposure periods
A visual sensor capable of expanding a dynamic range with a little load of processing for arithmetic operations and performing a stable detection not affected by change of conditions such as ON/OFF...
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7184080 |
Automatic white balancing via illuminant scoring
Automatic white balancing and/or autoexposure as useful in a digital camera extracts color channel gains from comparisons of image colors with reference colors under various color temperature...
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7184078 |
Image-processing apparatus and image-quality control method
A digital camera is provided with a plurality of image-pickup modes to carry out an optimal controlling process in accordance with an image-pickup scene. With respect to mode selection settings, a...
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7176976 |
Autoexposure methodology in a digital camera
An improved method for automatic exposure control at a digital camera is described. In response to a user request for capture of a digital image, image data is captured on the camera's image...
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7173663 |
Automatic exposure control system for a digital camera
An Automatic Exposure Control (AEC) regulates the operation of the digital camera sensor array. The acquisition of images and videos is optimized through having the automatic exposure control lock...
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7170633 |
Imaging apparatus
In an imaging apparatus such as a digital still camera, a scene is judged with using an image data outputted from an area sensor in a preparation state in which an image displayed on a monitor...
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7164440 |
Dynamic image adaptation method for adjusting the quality of digital prints
A dynamic image adaptation system and method for adjusting the quality of digital prints. The system includes an illumination source that illuminates an imaging surface of a live scanner optical...
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7154542 |
Image pickup apparatus having an exposure control circuit
In order to form a magnified image without degradation of a resolution, signals of pixels contained in a first image pickup area are read through addition of n (n is a natural number) pixels, and...
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7151563 |
Digital camera and white balance adjusting method
A digital camera has an adjustment value creating part configured to create an adjustment value for adjusting a white balance of an image, and an adjusting part configured to adjust the white...
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7148923 |
Methods and apparatus for automatic exposure control
A multi-dimensional imaging device and method for automated exposure control that implement two distinct modules to control the exposure and gain settings in the imager so that processing can occur...
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7145602 |
Exposure control method for digital camera
An apparatus and method for controlling exposure of a digital camera with high precision by setting a proper exposure amount by emitting auxiliary light during auto-focusing, detecting the...
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7136095 |
Digital image system and method for noise compensation
For a digital imaging device having automatic gain control, a system and method have been provided for noise compensation in low-light conditions. The method comprises: receiving digital image...
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7133069 |
System and method to increase effective dynamic range of image sensors
A system and method of increasing the dynamic range of image sensors by controlling the exposure (either electronically or mechanically) of multiple images and optionally forming a composite image...
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7129980 |
Image capturing apparatus and automatic exposure control correcting method
When a shutter release button of an image capturing apparatus is half pressed, an exposure time t is determined by a normal AE function. Then, if a shutter release button is fully pressed, an image...
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