1
Thomas K Lo, Jack M Sacks, Nam D Banh: Segmentation method for use against moving objects. Hughes Aircraft Company, C D Brown, R M Heald, W K Denson Low, April 28, 1992: US05109435 (82 worldwide citation)

Three image frames containing an object of interest and background clutter are taken at successive time intervals and stored in memory. The background of images A, B and C are registered preferably using an area correlator 12. A median filter 16 is used to select a median value from the registered i ...


2
Thomas K Lo, Nam D Banh, Timothy T Bohn, Jack M Sacks: Apparatus and method for tracking a target. Hughes Aircraft Company, C D Brown, R M Heald, W K Denson Low, October 29, 1991: US05062056 (58 worldwide citation)

Target tracking capability is provided by a synergistic tracker system (5) which includes both a correlation tracker (30) and an object tracker (40) for processing sensor data input (10) and for generating tracking error signals (80). The operation of the synergistic tracker system is controlled by ...


3
James F Alves, Jerry A Burman, Victoria Gor, Michele K Daniels, Walter W Tackett, Craig C Reinhart, Bruce A Berger, Brian J Birdsall: Pattern recognition apparatus utilizing area linking and region growth techniques. Hughes Aircraft Company, C D Brown, R M Heald, W K Denson Low, March 3, 1992: US05093869 (45 worldwide citation)

Image data is processed by a low level feature detection processor that extracts low level features from an image. This is accomplished by converting a matrix of image data into a matrix of orthogonal icons that symbolically represent the image scene using a predetermined set of attributes. The orth ...


4
Nam D Banh, Thomas K Lo, Kelly D Holthaus, Jack M Sacks: Moving target detection method using two-frame subtraction and a two quadrant multiplier. Hughes Aircraft Company, C D Brown, R M Heald, W K Denson Low, September 22, 1992: US05150426 (45 worldwide citation)

A method and apparatus for detecting an object of interest against a cluttered background scene. In a first preferred embodiment the sensor tracking the scene is movable on a platform such that each frame of the video representation of the scene is aligned, i.e., appears at the same place in sensor ...


5
Michael W Bushroe: Solder joint locator. Hughes Aircraft Company, R M Heald, C D Brown, W K Denson Low, November 17, 1992: US05164994 (41 worldwide citation)

A system (82) and method for locating features in an image. In the preferred embodiments, the present invention accepts as input a tilted view X-ray image of a PC board (10), as well as expected locations of solder joints (18) in the PC board (10). The present invention then determines the actual ce ...


6
Donald E Kreinheder, David S Bell: Dual mode antenna apparatus having slotted waveguide and broadband arrays. Hughes Aircraft Company, C D Brown, R M Heald, W K Denson Low, June 11, 1991: US05023623 (38 worldwide citation)

A single aperture antenna system disposed to operate simultaneously in active radar and passive broadband modes is disclosed herein. The dual mode antenna apparatus 40 of the present invention includes a waveguide antenna array 50 which generates a first radiation pattern of a first polarization wit ...


7
Colin G Whitney, Bruce A Cameron: Simultaneous dual field of view sensor. Hughes Aircraft Company, R M Heald, C D Brown, W K Denson Low, November 3, 1992: US05161051 (38 worldwide citation)

An optical system (10) for producing dual fields of view simultaneously. The system (10) includes a first optical system (12) for producing a first field of view image and a second optical system (36) for producing a second field of view image where the angular displacement of the second field of vi ...


8
Andrew Rosman: MIMD instruction flow computer architecture. Hughes Aircraft Company, C D Brown, A W Karambelas, June 6, 1989: US04837676 (37 worldwide citation)

A computer which achieves highly parallel execution of programs in instruction flow form, as distinguished from data flow form employing a unique computer architecture in which the individual units such as, process control units, programmable function units, memory units, etc., are individually coup ...


9
James R Myers: Fiber optic canister having orthotropic, controlled thermal expansion bobbin. Hughes Aircraft Company, C D Brown, R M Heald, W Denson Low, February 26, 1991: US04995698 (35 worldwide citation)

A fiber optic canister includes a generally cylindrical bobbin and an optical fiber pack wound thereupon. The bobbin is formed at least in part from a material having orthotropic coefficient of expansion characteristics, arranged so that the coefficients of thermal expansion of the bobbin are matche ...


10
Michael J Shannon, Randolf C Turnidge: MMIC die attach design for manufacturability. Hughes Aircraft Company, R M Heald, C D Brown, W K Denson Low, April 14, 1992: US05105255 (32 worldwide citation)

An improved semiconductor device for use in microwave integrated circuits is disclosed. In particular, an improved monolithic integrated circuit (10) comprised of a semi-insulating substrate (12) and having an integrated circuit on a top surface (14) thereof. MMIC (10) is provided with free area (38 ...