Matches 101 - 150 out of 208 < 1 2 3 4 5 >
Match Document Document Title
6901173 Scene-based non-uniformity correction for detector arrays  
A method and apparatus for providing corrected values of gain and level coefficients of a set of correction coefficients for a scanning detector array, such as an IR detector array, comprising a...
6897980 Image reading device and method  
An image reading system prescans and/or scans a film with magnetic recording and image data to be stored in a film cartridge after the film is developed. The image reading system employs a...
6895123 Focus control method for Delta-Sigma based image formation device  
Disclosed is focus control method for Delta-Sigma based image formation devices in which a steering term and a focusing term of a delay formula are respectively quantized, and corresponding two...
6894696 Method and apparatus for providing refractive transparency in selected areas of video displays  
In a selected area of a display defined by a polygon, magnifying is simulated. The selected area may be, for example, a circle simulating a magnifying glass. Textures are represented by texel...
6891645 Image reading apparatus and image reading method  
An image reading apparatus in which extended image reading time is prevented when high quality image data is obtained, which image data is corrected by invisible light such as infrared light which...
6876775 Technique for removing blurring from a captured image  
A technique is provided for removing blurring from an image captured by an imaging device. The imaging device may include a lens and an imaging medium comprised of a plurality of imaging pieces....
6873733 Combined wavefront coding and amplitude contrast imaging systems  
The present invention provides extended depth of field or focus to conventional Amplitude Contrast imaging systems. This is accomplished by including a Wavefront Coding mask in the system to apply...
6856702 System and method for selecting an image processing path using estimated appearance of noise  
A method and system for processing an image based on noise appearance in the image, includes the steps of and means for: forming a noise table representing noise magnitude vs. intensity of the...
6839469 Multiparallel three dimensional optical microscopy system  
Volume imaging is supported in an optical apparatus that simultaneously acquires multiple images from multiple focal planes in an image object. A plurality of image detectors is arranged with...
6785409 Segmentation method and apparatus for medical images using diffusion propagation, pixel classification, and mathematical morphology  
A method of digital imaging includes receiving image data and fitting a curve to boundaries within the image data. The curve is fit to the boundaries within the image data by extracting a region of...
6766067 One-pass super-resolution images  
A super-resolution image is generated from a pixel image by first performing an initial image interpolation, creating an interpolated low resolution image. The interpolated low resolution image is...
6763140 Method and apparatus for focusing a micro-imaging system onto a tilted or uneven sample to acquire images of the sample  
A mesh is created from selected focus points having locations on a surface of interest of a sample being micro-imaged. The mesh and associated focus settings of the focus points are used to define...
6763141 Estimation of local defocus distance and geometric distortion based on scanned image features  
A method of estimating local defocus distance from a conventionally scanned image is provided. More particularly, the method of estimating defocus distance in a scanned image of a non-planar...
6721465 Non-contact image reader and system using the same  
A simple non-contact image reader of high degree of freedom comprising a reading unit for reading images, a reading condition changing unit for changing the reading conditions of the reading unit,...
6697508 Tomographic reconstruction of small objects using a priori knowledge  
Three-dimensional (3D) reconstruction of a cell includes adjusting a current set of projection images according to a priori knowledge to produce adjusted projection images, for example, based on...
6694048 Method for generating intra-particle morphological concentration/density maps and histograms of a chemically pure particulate substance  
An method for generating intra-particle morphological concentration/density maps and histograms of a chemically pure particulate substance. Spectral imaging, in general, and focus-fusion...
6687389 Imaging apparatus  
An imaging apparatus suitable for capturing a image of one or more of a user's facial features is disclosed. The apparatus includes a spherical cold mirror which presents a concave surface to the...
6674913 Method and apparatus for obtaining a high resolution image  
A method and apparatus for obtaining high-resolution images of rotating targets by using an image reconstruction algorithm without interpolation, are provided. The method comprises the steps of: a)...
6671071 Threshold bias circuits for enhanced color error diffusion  
A circuit for generating a threshold bias signal for processing n color separations representing a color image includes a threshold bias register which holds and outputs the current threshold bias...
6643416 Method for determining necessary resolution for zoom and crop images  
The disclosed method uses empirically derived image quality data in order to determine an image resolution for a particular zoom and/or crop operation performed on an image. An acceptability value...
6640014 Automatic on-the-fly focusing for continuous image acquisition in high-resolution microscopy  
The invention provides an apparatus, and related method, for continuous volume imaging a specimen using imaging a plurality of image planes at predetermined focal depths. The focal depth for each...
6625329 Method for improving the definition of digital images  
A method for improving the definition of a digital image whose pixels are memorized light intensity values which are arranged in rows and columns in the form of a starting matrix A xy . A matrix...
6618171 Black point adjustment based on image background  
A digital scanner or copier is provided that can dynamically adjust the black point of an image to be scanned based on detected background level of the document. A pre-scan acts on a small scanning...
6580062 Contrast focus figure-of-merit method that is insensitive to scene illumination level  
A method, system and program product for providing automatic focus adjustment for an image device, comprising the steps of: differentiating an image along some axis to obtain a difference image;...
6577753 Medical network system  
In a medical network system, the tone of an image displayed on a commonly-used image display apparatus becomes a desired tone corresponding to the type of an image outputting apparatus. Look-up...
6563100 Method of processing measurement data having errors due to unpredictable non-uniformity in illumination of detectors  
A method for reducing error (when compared to conventional methods) in estimates of radiance inferred from measurements of irradiance provided by detectors in an array of a sensor. By using...
6525302 Wavefront coding phase contrast imaging systems  
The present invention provides extended depth of field or focus to conventional Phase Contrast imaging systems. This is accomplished by including a Wavefront Coding mask in the system to apply...
6504958 Optical device  
This invention provides an image sensing lens device which can communicate independently of the resolution of a position detection means of an optical means in a communication with a camera that...
6483948 Microscope, in particular a stereomicroscope, and a method of superimposing two images  
The invention concerns an imaging system comprising a first device ( 82 ) for acquiring image data for an object ( 93 ) using light, in particular a microscope, and a second device ( 94 ) for...
6470097 Total variational blind image restoration from image sequences  
A blind image restoration system uses total variational (TV) regularization to allow discontinuities in a true image function. The system first updates image blur parameters to minimize the energy...
6433325 Apparatus and method for image enhancement  
An image enhancement technique for use, for example in infrared or photoemission microscopy, comprises obtaining an in-focus image of the sample and an out of focus image achieved by relative...
6341179 Method and apparatus for imaging artefact reduction  
The invention relates to a method and apparatus for reducing imaging artifacts in physiological images, such as magnetic resonance imaging images. A model of a physical cause for the image artifact...
6341180 Image content autofocus for microscopy using a noise-insensitive focus filter  
An autofocusing system in which optimal or nearly optimal linear filters are selected for filtering an image signal so that the components of the image signal which contain image content, and thus,...
6330371 Adaptive non-uniformity compensation using feedforward shunting and min-mean filter  
A system and method adapted for use with a focal plane array of electromagnetic energy detectors to receive first and second frames of image data from electromagnetic energy received from at least...
6320979 Depth of field enhancement  
A lens system (100) and image plane (104) are used to capture a number of sample images (400) of a three dimensional scene, each sample image (400) corresponding to a different object distance...
6282324 Text image deblurring by high-probability word selection  
A system is presented for reconstructing blurred text on a word-by-word basis. The text is scanned and compared with a priori data concerning characteristics of the text, including zone...
6268611 Feature-free registration of dissimilar images using a robust similarity metric  
An image registration (alignment) system which achieves alignment by determining an optimal focus for a composite image produced from the combination of misregistered images. The system also uses...
6243498 Adaptive non-uniformity compensation using feedforwarding shunting  
A system and method adapted for use with a focal plane array of electromagnetic energy detectors to receive first and second frames of image data from electromagnetic energy received from at least...
6233349 Apparata and methods of analyzing the focal spots of X-ray tubes  
An apparatus for determining the quality of X-ray tubes by analyzing filmed images of the focal spots produced by the tubes. In an exemplary embodiment of the apparatus, a slide scanner receives a...
6229928 Image processing system for removing blur using a spatial filter which performs a convolution of image data with a matrix of no-neighbor algorithm based coefficients  
A 4-line buffer sequentially takes in image data items and temporarily stores a specific size of image data. A spatial filter in which a coefficient matrix based on the no-neighbor algorithm in a...
6222583 Device and system for labeling sight images  
The device and system for sight labeling according to the present invention comprises an image acquiring section for taking images, a position information acquiring section for recording a camera...
6215914 Picture processing apparatus  
A picture processing apparatus which can reduce matching errors and shorten a processing time for matching. In the picture processing apparatus, a binarization circuit individually binarizes a pair...
6166853 Method and apparatus for three-dimensional deconvolution of optical microscope images  
An adaptive structure of a Wiener filter is used to deconvolve three-dimensional wide-field microscope images for the purposes of improving spatial resolution and removing out-of-focus light. The...
6154574 Digital focusing method and apparatus in image processing system  
Digital focusing method and apparatus in an image processing system, for digitally focusing an out-of-focus image, are provided. A defocused image is divided into sub-images of a predetermined...
6151415 Auto-focusing algorithm using discrete wavelet transform  
What is disclosed is a method that includes generating an overall sharpness parameter for a given focus position by performing a Discrete Wavelet Transform upon an image captured by an imaging...
6148113 System for stimulating the depth of field of an image in two dimensional space and method of operation  
A system for simulating a depth of field of an image includes a microprocessor coupled to a graphics input device, an input device, an output device, and a memory. The microprocessor executes a...
6148112 Digital image correction device and display device  
A digital image correction device in which correction data at correction points corresponding one by one to positions on a CRT screen displayed by raster scanning system is stored as a relation...
6130958 Method for reconstructing the image of an object scanned with a laser imaging apparatus  
A method for reconstructing an image of a scanned object comprises the steps of collecting object data by scanning the object with a laser beam and detecting the light passing through the object;...
6108454 Line contrast difference effect correction for laser line scan data  
Line contrast difference effect which limits the capabilities of laser line scan (LLS) sensors is substantially reduced by a process that uses a smhing array, modified based upon a mean magnitude...
6108435 Method of detecting phase difference between a pair of images  
A method of detecting a phase difference between a pair of images of an object which are formed on a pair of optical sensor arrays through different optical paths, with presence of flare in one of...
Matches 101 - 150 out of 208 < 1 2 3 4 5 >