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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 5455680 | Apparatus for compressing and decompressing image data The present invention relates to an apparatus for compressing and decompressing the digital image data designed for minimizing degradation of the image quality and for improving the compression efficiency. Discriminative over the conventional package quan... | 10/03/1995 |
| 5359431 | Classification to change exposure within a cell of different pixels A method and arrangement for reproducing an original image, scans an original image to produce a digitized image, this digitized image containing a plurality of pixels. The pixels are grouped into cells, and the pixels in each cell are classified into one... | 10/25/1994 |
| 5345316 | Image data encoding/decoding apparatus for concurrent processing of multiple image data streams An image data encoding/decoding apparatus having an encoder and decoder for processing image data such as facsimile data, in which two different streams of image data can be encoded concurrently by using a single encoding circuit section, and two differen... | 09/06/1994 |
| 5345320 | Color image data processing apparatus comprising monochrome pixel detector In a color image data processing apparatus for processing three color image data of three primary colors for representing a specified pixel, in response to one color image data preselected among the three color image data, a threshold data generator gener... | 09/06/1994 |
| 5341227 | Dot image discrimination circuit for discriminating a dot image from other types of images In a dot image discrimination circuit, a dot image in an area composed of many multi-tone pixels including a central pixel is discriminated. A pixel (change point) at which the density of the image data is prominent in a first direction is detected in a p... | 08/23/1994 |
| 5337165 | Architecture for a telephone facsimile terminal The terminal housing firstly includes a base (1) which contains circuits corresponding respectively to a telephone circuit (4) and to a power supply (5), a roll (8) of continuous print medium (9), one or more motors (6) actuating both a medium-cutting dev... | 08/09/1994 |
| 5337167 | Halftone image forming apparatus including density based dot enlargement An image formation apparatus for performing a gradation recording by changing a size of a dot on the basis of an image data inputted to the apparatus. The apparatus divides an image into a plurality of blocks each comprising a predetermined number of pixe... | 08/09/1994 |
| 5333062 | Apparatus for instructing the handling of abnormalities and misoperations in a facsimile device An abnormality-handling instructing apparatus for use in a facsimile machine where the operator is able to be properly noticed an abnormality so that an appropriate handling can be effected to the abnormality. The apparatus comprises memory for storing ab... | 07/26/1994 |
| 5331435 | Digitizer for raster digitizing an image A digitizer is provided with a camera, a movable stage and a control device. The stage may be moved by first and second linear motors such that the digitizer can be used in non-stationary or vibrating environments. A bundle of fiber optics is used to cons... | 07/19/1994 |
| 5331430 | Electronic high-fidelity screenless conversion system A system is disclosed for converting a continuous tone value to an output value having a first level or a second level. A first error magnitude is generated based upon continuous tone values already converted, continuous tone values not yet converted and ... | 07/19/1994 |
| 5327263 | Image processing apparatus employing a spatial light modulator An image processing apparatus comprises a liquid modulator having a photoconductive material including an image-writing plane, a liquid crystal layer laminated on the photoconductive material, a pair of electrodes sandwiching the photoconductive material ... | 07/05/1994 |
| 5323249 | Method for reproducing color images having one color gamut with a device having a different color gamut A method for reproducing color images comprising matching the color gamut of an image produced by a first device to the color gamut of a second device used for reproducing said image, wherein in the matching process, the color gamut of the first device is... | 06/21/1994 |
| 5323248 | Method and apparatus for preparing polychromatic printing plates A method of processing a file of recorded color separation values of color elements for use in preparing polychromatic printing plates in order to reduce or eliminate defects caused by misregistration by printing, includes the steps (a) defining a plurali... | 06/21/1994 |
| 5321525 | Clustered halftoning with dot-to-dot error diffusion A method of quantizing pixel values in an image formed by a plurality of pixels, each pixel representing an optical density of the image at a location within the image, and having an original optical density value selected from one of a set of `c` origina... | 06/14/1994 |
| 5321520 | Automated high definition/resolution image storage, retrieval and transmission system An automated high definition/resolution image storage, retrieval and transmission system for use with medical X-ray film or other documents to provide simultaneous automated access to a common data base by a plurality of remote subscribers upon request, t... | 06/14/1994 |
| 5317345 | Image formation apparatus having erasing means responsive to operation status An image formation apparatus for selectively storing image data received from image data outputting means in an optical image memory by beam light and printing it out on a recording medium, the image formation apparatus including, clocking means for clock... | 05/31/1994 |
| 5317420 | Noise elimination apparatus for eliminating noise components having a high density and a low density Color image data of which background is removed is converted into monochrome data and noise in the monochrome data is roughly discriminated in a first noise discrimination process. At the same time, the color and density of an attentional pixel, informati... | 05/31/1994 |
| 5317427 | Image processing apparatus and method for allowing the dynamic range of digital image data having a wide dynamic range to be compressed while preserving information of the digital image data An image processing apparatus and method is provided which makes it possible to reproduce all information of digital image data having a wide dynamic range. A high frequency component of luminance image data is removed by a digital filter. The luminance i... | 05/31/1994 |
| 5315410 | Method and apparatus for recording optical information by using a photoelectric transducer A system has a first electrode, a second electrode, a photosensitive member located between the first and second electrodes, a recording member located between the first and second electrodes, and an optical shutter. In this system, light having informati... | 05/24/1994 |
| 5315407 | Method of and apparatus for generating halftone dots The present invention produces halftone dots which shows smaller fluctuations in size and shape irrespective of variation of the positional relation between the address of screen pattern data and the recording pixels. Displacement F1 through F4 are comput... | 05/24/1994 |
| 5315380 | Apparatus and method for transforming the digital representation of a color input image A system for converting a first representation of a color input image to a second representation and method for performing same are disclosed. The system includes apparatus for mapping primary axes and overprint axes of a selected color coordinate system ... | 05/24/1994 |
| 5315413 | Color image correction device for correcting phase and resolution characteristics of a copy image using different color signal components A color image reading and compensating device comprises an image reader including a color image sensor for forming a number of dots arranged in a line, each of the dots being composed of a plurality of pixels corresponding to a plurality of colors, respec... | 05/24/1994 |
| 5313309 | Method and apparatus for printing halftones with a gray level printer with contour suppression and/or minimization of moire patterns A method and an arrangement for reproducing an original image that has one or more different image type regions. The arrangement has a scanner which scans and digitizes the original image into pixels, a controller coupled to the scanner to receive the dig... | 05/17/1994 |
| 5313291 | Method for matching color prints to color images on a monitor screen A color correction method is provided for an electronic printing system that results in a color print that is made as close as possible to what an operator actually observes on a monitor screen (What you see is what you get). The printing system includes ... | 05/17/1994 |
| 5313308 | Image forming apparatus which changes its tone reproducing property in accordance with ambient conditions A color image forming apparatus includes an electrophotographic photosensitive member; a device for forming latent images by optical scanner with light information corresponding to colors; plural developing devices for developing in different colors; a de... | 05/17/1994 |
| 5313288 | Recording medium and recording/reproduction apparatus thereof A recording medium has first and second transparent electrodes, a photoconductive layer member and a photomodulation member. The recordingmedium also has a first lamination member having a first substrate on which the first transparent electrode and the p... | 05/17/1994 |
| 5311332 | Interpolation method and color correction method using interpolation An interpolation method for color correction generates correction signals Y, M and C from input signals R, G and B through interpolation. In this interpolation method, a triangular prism is selected from plural unit triangular prisms in RGB space, based o... | 05/10/1994 |
| 5311331 | Image scanning and video printing apparatus and method of controlling the same There is disclosed an image scanning and video printing apparatus comprising a video printing unit controlled by a video synchronization signal, printing control signal and memory control signal for printing the images corresponding to a first video signa... | 05/10/1994 |
| 5309258 | Pattern image generation device for image processing system A pattern image generation device which is able to generate various patterns by use of a RAM for processing ordinary image data and also is able to generate the patterns in a simple structure. The pattern image generation device includes an image conversi... | 05/03/1994 |
| 5309256 | Method of and apparatus for processing image and correction chart employed in the apparatus Disclosed herein are a method of and an apparatus for electrically processing an image, and a calibration chart used in the apparatus. This method comprises a first process for measuring respective spectral densities of a calibration chart having at least... | 05/03/1994 |
| 5307177 | High-efficiency coding apparatus for compressing a digital video signal while controlling the coding bit rate of the compressed digital data so as to keep it constant Digital video signals are divided in blocks, maximum and minimum values of each block are extracted, and a frequency distribution of one frame period of a dynamic range in each block is detected. The coding condition is determined by the frequency distrib... | 04/26/1994 |
| 5305114 | Electronic blackboard apparatus An electronic blackboard apparatus, which reads a writing on a writing sheet fitted on a blackboard framework and which electronically copies the writing onto a recording medium. The apparatus includes a blackboard framework foldable together with the wri... | 04/19/1994 |
| 5303067 | Computer connection circuit in facsimile The invention provides a computer connection circuit in a facsimile, comprising: control and memory unit including CPU(Central Processing Unit)(11a), RAM(Random Access Memory)(11c), and ROM(Read Only Memory)(11b) for controlling a general operation contro... | 04/12/1994 |
| 5303058 | Data processing apparatus for compressing and reconstructing image data An image data processing apparatus for fast coding and reconstructing continuous-tone image data, parallelly processes DCT coefficients in pipelined quantization and dequantization. An image data compressing apparatus comprises an orthogonally transformer... | 04/12/1994 |
| 5301034 | Production of properly oriented copies of transparent masters A transparent master is mechanically sensed to detect the emulsion. The master is then advanced into a projection arrangement where a scanner scans the master point-by-point and line-by-line to generate signals containing data on the master. The signals a... | 04/05/1994 |
| 5301038 | Image processor and method for processing pixel data An image processor has image processing logic for detecting pixel data representing stepped chrominance or luminance transitions characteristic of staircase aliasing in a source image and for producing an output image including selective antialiasing on t... | 04/05/1994 |
| 5299026 | Tracking the reproduction of documents on a reprographic device An apparatus for capturing and recording the content, ownership, and/or bibliographic source of documents reproduced on a reprographic device, and more particularly for tracking the reproduction of specified information, especially copyrighted documents, ... | 03/29/1994 |
| 5299020 | Method and apparatus for generating a screened reproduction of an image using stored dot portions A technique for generating a screened reproduction of an image including the steps of providing a representation of an original containing information representing the input density values of the original, storing information representing only part of at ... | 03/29/1994 |
| 5299033 | Image reading and recording apparatus with marking board and moveable scanning arm conveyed by a cable and drum arrangement An image reading and recording apparatus such as an electronic blackboard includes a reading unit movable along a guide rail for reading information written on a board, a drive motor integral with the reading unit and operative to move the reading unit re... | 03/29/1994 |
| 5299021 | Copier with mode for collating off a platen A copier permits an operator to scan all pages of a multiple-page original document, and to individually program special feature instructions for each special page, before printing begins. Each original page is scanned separately on a platen, with the ima... | 03/29/1994 |
