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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 4901019 | Three-dimensional imaging Images of, e.g., a vascular tree, are obtained in a shorter-than-usual time by deliberately undersampling the object, which results in aliasing, and then processing the undersampled data to eliminate the effects of the aliasing.... | 02/13/1990 |
| 4881270 | Automatic classification of images A method and system for classifying a raster scanned target image by collapsing the image into a vector corresponding to a horizontal line of the image, mathematically transforming this vector into a feature vector which corresponds to the power spectrum ... | 11/14/1989 |
| 4851984 | Method and system for localization of inter-rib spaces and automated lung texture analysis in digital chest radiographs A method and system for automated analysis of digital radiographic images in which regions-of-interest (ROI's) are first determined, and subsequently analyzed for abnormalities. To locate the ROI's, the outer ribcage and midline boundary locations of the ... | 07/25/1989 |
| 4843631 | Pattern recognition process A process for analyzing a two-dimensional image, wherein the structural identity of stored reference patterns with image contents or portions is determined, irrespective of the position of said image content or portion in the image to be analyzed. The ima... | 06/27/1989 |
| 4817176 | Method and apparatus for pattern recognition A method and apparatus for recognizing an unknown character, pattern, or indicia, or the like as being a particular one of a group of known reference characters, patterns, indicia, or the like. In the preferred embodiment, the system converts scanned and ... | 03/28/1989 |
| 4792231 | Laser speckle imaging Satellite imaging through a turbulent atmosphere is provided at better than turbulence-limited resolution using laser speckle statistics on reflections of orthogonal spatially periodic illumination patterns. The second harmonic of a covariance function of... | 12/20/1988 |
| 4780831 | Graphic data processor A graphic data processor for processing two-dimensional signals or one-dimensional signals such as observed graphic data. One graphic data processor includes circuitry for effecting two-dimensional Fourier conversion of the observed graphic data signals s... | 10/25/1988 |
| 4768156 | Imaging system An improved imaging system has applications to synthetic aperture radar, inverse synthetic aperture radar, delay-doppler radar, positron-emission topography sonar, radiometry and other applications having a target image provided by a series of data parame... | 08/30/1988 |
| 4764973 | Whole word, phrase or number reading The image of a word is taken and the two-dimensional discrete Fourier transform of the image is computed. The transformed image is filtered to the first three harmonics, with both real and imaginary components. These components then make up a total of 49 ... | 08/16/1988 |
| 4764974 | Apparatus and method for processing an image The specification discloses an apparatus and method for processing an image as part of a fast Fourier transform (FFT) operation. An image processor includes a first and second memory, each for storing the data representing an image as an array of numbers ... | 08/16/1988 |
| 4703349 | Method and apparatus for multi-dimensional signal processing using a Short-Space Fourier transform A method and apparatus for representing a multi-dimensional, finite extent, information containing signal in a locally sensitive, frequency domain representation employs transforming the digital signal using a Short-Space Fourier transform having overlapp... | 10/27/1987 |
| 4674045 | Filter for data processing An imaging method and apparatus having a new and improved data filter. In one application of the invention computed tomography number inaccuracies are avoided by use of a new filter function derived from discrete points of a truncated spatial domain convo... | 06/16/1987 |
| 4631691 | Video display device simulation apparatus and method A video display device may be simulated using a computer and a conventional video image processor. A test image which is an enlarged version of a typical image to appear on the simulated display device is generated. This enlarged test image is then digita... | 12/23/1986 |
| 4624367 | Method and apparatus for determining conformity of a predetermined shape related characteristics of an object or stream of objects by shape analysis In its simplest sense, the present invnetion contemplates a method and apparatus for determining a characteristic or property of randomly oriented, irregularly shaped objects by obtaining an image profile of the object, selecting a plurality of edge point... | 11/25/1986 |
| 4618990 | Edge enhancement filtering for digital fluorography images For edge enhancement of a digitized fluorographic image, the original image is stored in a full frame memory. When each video vertical blanking pulse occurs time delays are initiated corresponding to shifting whole lines of pixels successively to the left... | 10/21/1986 |
| 4616318 | System for reprojecting images using transform techniques Systems and methods are presented for reprojecting images which comprise taking the two-dimensional Fourier transform of the image, interpolating the transform in order to obtain the values on radial lines, and taking the inverse one-dimensional Fourier t... | 10/07/1986 |
| 4606004 | Apparatus for reduction of filtration truncation errors Apparatus for reduction of filtration truncation errors caused by convolving a plurality of input signals, such as line-integral projection data obtained in a computerized tomography (CT) scan of an object, with a common kernel function in a finite precis... | 08/12/1986 |
| 4573197 | Method for automatic recognition of two-dimensional shapes A method of automatically recognizing objects in a digital image. The pixel coordinates of the boundary of the objects are identified and stored as data. A series of Fourier coefficients describing the boundary of the object are calculated and used to gen... | 02/25/1986 |
| 4558462 | Apparatus for correcting image distortions automatically by inter-image processing An apparatus for automatically correcting image distortions by inter-image processing, which is arranged to obtain, prior to performing the inter-image processing of two two-dimensional digital images, a displacement vector between these two images, and t... | 12/10/1985 |
| 4513441 | Image comparison system Image comparison is accomplished by forming a composite image composed of a reference image and a test image. A two-dimensional image spectrum is generated from the composite image and then is whitened by setting the magnitude of every point of the two-di... | 04/23/1985 |
| 4490851 | Two-dimensional image data reducer and classifier This invention relates to surveillance and counter-surveillance classificon of military vehicles using one-dimensional analysis of the target images. A two-dimensional image is digitized into a n by n pixel matrix which is summed along each row and colum... | 12/25/1984 |
| 4487476 | Method of multivariant intraclass pattern recognition A method of recognizing different perspective views or images (i.e., multivariant views) of the same object (i.e., intraclass patterns). Each intraclass pattern, or different representation of the same object, is described as an orthonormal basis function... | 12/11/1984 |
| 4454610 | Methods and apparatus for the automatic classification of patterns Methods and apparatus for the automatic classification of patterns are disclosed in which the intensity or gray level values of selected pixels of digital images of functions of position-invariant transforms of patterns to be classified, displayed as inte... | 06/12/1984 |
| 4446521 | Image reconstruction apparatus and process An image reconstruction apparatus of the present invention comprises units for measuring projection data from a number of angular directions within an angular range less than 180° with respect to a subject, a unit for performing parallel displacement of ... | 05/01/1984 |
| 4308521 | Multiple-invariant space-variant optical processing A multiple-invariant, space variant optical processor in which two functions described by any number of separate distortion parameters can be correlated with no loss in signal-to-noise ratio of the correlation. The unknown distortion parameters can also b... | 12/29/1981 |
| 4254400 | Image data processor An image data processor for recognizing the degree of variation in the object in the image by dividing an image plane into a plurality of block regions and by sequentially comparing an input image and a background image for each of the divided block regio... | 03/03/1981 |
| 4225850 | Non-fingerprint region indicator Signalling means for enhancing the performance of automatic fingerprint identification systems by reducing system response to non-fingerprint-like regions within an image field pattern of interest. A two dimensional generalized sequency analyzer, such as ... | 09/30/1980 |
| 4223345 | Method and apparatus for camouflage signature measurement A method and apparatus for measuring the extent of camouflage applied to a arget is disclosed. The apparatus includes a direct electronic Fourier transform device responsive to first and second conditions of camouflage of a target for producing spectra sig... | 09/16/1980 |
| 4213036 | Method for classifying biological cells A means of probing a biological cell sample with a optical source to determine the characteristics of the cell image by way of measuring parameters from its two dimensional Fourier transform. These techniques lead to a method of measuring discriminating p... | 07/15/1980 |
| 4164788 | Super-resolution imaging system The resolution of an imaging system is greatly enhanced by radiating an object with a plane wave field from a coherent source variable in either frequency, angle or distance from the object, detecting the wave field transmitted through, or reflected from,... | 08/14/1979 |
| 4112415 | System for optically entering, displaying and decoding handwritten symbols An optical data entry and display system for decoding handwritten symbols into a data processing code is disclosed. The system comprises a television monitor for displaying decoded and otherwise derived symbols as well as for displaying a sequence of ligh... | 09/05/1978 |
| 4099207 | Direct electronic fourier transforms of optical images Method and apparatus for directly converting between optical images and the spatial Fourier transforms of optical images by interacting sound waves and light. Controlled sound waves couple with optical images, and electrical signals may be derived from th... | 07/04/1978 |
| 4084255 | Positional, rotational and scale invariant optical correlation method and apparatus A method and electro-optical apparatus for correlating two functions, f1 (x,y) and f2 (x,y) which are shifted, scaled and rotated versions of each other without loss of signal-to-noise and signal-to-clutter ratios as compared to the ... | 04/11/1978 |
| 4073010 | Correlation methods and apparatus utilizing mellin transforms Correlation methods and apparatus are disclosed which make use of Mellin transforms that are scale and shift invariant. There is no loss in the signal-to-noise ratio of the correlation, and data is available for determining any scale difference between th... | 02/07/1978 |
| 4063281 | Motion detection employing direct Fourier transforms of images Method and apparatus for directly converting between an image and the spatial or temporal Fourier transform thereof. To convert an image into its Fourier transform representation, the image interacts with strain waves in media that have electrical propert... | 12/13/1977 |
| 4016413 | Optoelectronic means for one-dimensional integral transforms of two dimensional information The invention concerns an analog TV-type process and apparatus for rapid cessing of pictorial information. A transparency is rapidly scanned by a line of light source, scanning of which is controlled by conventional electronic means. The light output is ... | 04/05/1977 |
| 3993976 | Method and apparatus for pattern analysis A technique and apparatus for two dimensional pattern analysis utilizing a transform of the pattern enables the extraction of desired pattern information by means of spatial filtering in accordance with known human visual system processing. Two dimensiona... | 11/23/1976 |
