Imaging computer system and network

• US 5,410,649 A
• Filed: 06/29/1992
• Issued: 04/25/1995
• Est. Priority Date: 11/17/1989
• Status: Expired due to Term

• Current Assignee: Texas Instruments, Inc.
• Original Assignee: Texas Instruments, Inc.
• Inventors: Gove, Robert J.
• Primary Examiner(s): Nguyen, Phu K.
• Application Number:
  US07/911,562
• Time in Patent Office: 1,030 Days
• Field of Search: 395/162, 395/163, 395/164, 395/155, 395/161, 340/747, 340/750, 382/27, 382/46, 364/200 MS File, 364/900 MS File, 345/117, 345/118, 345/133
• US Class Current: 345/505
• CPC Class Codes: G06F 15/17375 One dimensional, e.g. linear array, ring
• CPC Class Codes: G06F 15/8007 single instruction multiple data [SIMD] multiprocessors

Abstract

A multi-processing system which handles image processing and graphics by constructing a crossbar switch capable of inter-connecting any processor with any memory in any configuration for the interchange of data. The system is capable of connecting n parallel processors to m memories where m is greater than n.

Claims

1. An imaging computer system comprising:

an image input device disposed to form an analog image signal corresponding to objects in a predefined space;

an analog to digital conversion device connected to said image input device for converting said analog image signal into a series of digital numbers having a predetermined number of bits, thereby forming a digital pixel image;

an image memory connected to said analog to digital converter for storing said digital pixel image;

a programmable image processing device disposed on a single integrated circuit configured to receive said digital pixel image of objects in the predefined space, identify any hand signs within said digital pixel image, assign a meaning to any identified hand signs and generate a coded digital output corresponding to said assigned meaning.

2. The imaging computer system as claimed in claim 1, wherein:

said programmable image processing device includes

a master processor for controlling operation of said imaging processing device, said master processor operating on an instruction cycle,

a plurality of parallel processors each capable of performing independent image operations on digital image data including movement of said digital image data to and from a plurality of addressable memory spaces, each of said parallel processors operating on said instruction cycle,

a transfer processor connected to said image memory for transferring data between said image memory and said image processing device, said transfer processor operating on said instruction cycle,

a plurality of memories forming a plurality of addressable memory spaces, and

a crossbar switch matrix connected to said master processor, each of said parallel processors, said transfer processor and each of said memories, said crossbar switch matrix reconfigurable each instruction cycle for granting said master processor, each of said parallel processors and said transfer processor access to said plurality of memories.

3. The imaging computer system as claimed in claim 1, wherein:

said image input device includes a video camera.

4. The imaging computer system as claimed in claim 1, further comprising:

a digital output bus connected to said image processing device for transmitting said coded digital output corresponding to said assigned meaning.

5. The imaging computer system as claimed in claim 1, further comprising:

a visual display device connected to said image processing device; and

said image processing device further configured to generate a human readable text output corresponding to said coded digital output and to generate a visual output signal for display via said visual display device, said visual output signal corresponding to said human readable text output overlain upon said image.

6. The imaging computer system as claimed in claim 1, further comprising:

a transmission sender connected to said image input device for transmitting said image; and

a transmission receiver connected to said transmission sender and said image processing device and disposed remotely from said transmission sender for receiving said transmitted image and supplying said received transmitted image to said image processing device.

7. The imaging computer system as claimed in claim 1, wherein:

said image processing device further configured to interpret said coded digital output as a user input command and to perform at least one task corresponding to said user input command.

8. The imaging computer system as claimed in claim 1, further comprising:

a latch circuit connected to said image processing device and an external controlled mechanism for control of the controlled mechanism; and

said image processing device further configured to operate said latch circuit corresponding to said coded digital output thereby controlling the controlled mechanism corresponding to said identified hand signs within said digital pixel image.

9. The imaging computer system as claimed in claim 1, wherein:

said hand signs identified by said image processing device include deaf communication signs.

10. An imaging computer system comprising:

an image input device disposed to form an analog image signal corresponding to objects in a predefined space;

an analog to digital conversion device connected to said image input device for converting said analog image signal into a series of digital numbers having a predetermined number of bits, thereby forming a digital pixel image;

a programmable image processing device disposed on a single integrated circuit including

a master processor for controlling operation of said imaging processing device, said master processor operating on an instruction cycle,

a plurality of parallel processors each capable of performing independent image operations on digital image data including movement of said digital image data to and from a plurality of addressable memory spaces, each of said parallel processors operating on said instruction cycle,

a transfer processor connected to said image memory for transferring data between said image memory and said image processing device, said transfer processor operating on said instruction cycle,

a plurality of memories forming a plurality of addressable memory spaces, and

a crossbar switch matrix connected to said master processor, each of said parallel processors, said transfer processor and each of said memories, said crossbar switch matrix reconfigurable each instruction cycle for granting said master processor, each of said parallel processors and said transfer processor access to said plurality of memories;

a user input device connected to said image processing device for input of user commands;

an image information bus connected to said image processing device for transfer of data corresponding to images being processed;

a display connected to said image information bus for display of image data to a user; and

a print assembly connected to said image information bus for producing documents corresponding to image data.

11. The imaging computer system as claimed in claim 10, wherein:

said image input device includes optics and a charge coupled device.

12. The imaging computer system as claimed in claim 11, further comprising:

a controller engine connected to said charge coupled device, said programmable image processing device and said print assembly for providing timing signals to said charge coupled device and said print assembly.

13. An imaging computer system comprising:

a first and a second charge coupled device disposed to detect position information of a user'"'"'s hand within a predetermined space;

a programmable image processing device disposed on a single integrated circuit including

a master processor for controlling operation of said imaging processing device, said master processor operating on an instruction cycle,

a plurality of parallel processors each capable of performing independent image operations on digital image data including movement of said digital image data to and from a plurality of addressable memory spaces, each of said parallel processors operating on said instruction cycle,

a transfer processor connected to said image memory for transferring data between said image memory and said image processing device, said transfer processor operating on said instruction cycle,

a plurality of memories forming a plurality of addressable memory spaces, and

a crossbar switch matrix connected to said master processor, each of said parallel processors, said transfer processor and each of said memories, said crossbar switch matrix reconfigurable each instruction cycle for granting said master processor, each of said parallel processors and said transfer processor access to said plurality of memories;

said programmable image processing device configured to receive said position information of a user'"'"'s hand within the predetermined space, assign a meaning to said position information and correspondingly control said imaging computer system;

a memory connected to said programmable image processing device; and

a flat panel display connected to said programmable image processing device for display of image data to a user.

14. The imaging computer system as claimed in claim 13, further comprising:

a video camera connected to said programmable image processing device for generating an image of objects in a predefined space.

15. The imaging computer system as claimed in claim 13, further comprising:

a printer port connected to said programmable image processing device for controlling a printer.

16. The imaging computer system as claimed in claim 13, further comprising:

a host computer port connected to said programmable image processing device for communication with a host computer.

17. An imaging computer network comprising:

a host computer for collecting and distributing image information;

a plurality of imaging computers, each imaging computer including

a buffer memory connected to said host computer for receiving image information from said host computer,

a data bus connected to said buffer memory,

a memory connected to said data bus,

a programmable image processing device connected to said data bus and disposed on a single integrated circuit including

a master processor for controlling operation of said imaging processing device, said master processor operating on an instruction cycle,

a plurality of parallel processors each capable of performing independent image operations on digital image data including movement of said digital image data to and from a plurality of addressable memory spaces, each of said parallel processors operating on said instruction cycle,

a transfer processor connected to said data bus for transferring data between said data bus and said image processing device, said transfer processor operating on said instruction cycle,

a plurality of memories forming a plurality of addressable memory spaces, and

a crossbar switch matrix connected to said master processor, each of said parallel processors, said transfer processor and each of said memories, said crossbar switch matrix reconfigurable each instruction cycle for granting said master processor, each of said parallel processors and said transfer processor access to said plurality of memories.

18. The imaging computer network as claimed in claim 17, wherein:

at least one of said imaging computers further includes

a printer interface connected to said data bus, and

a print assembly connected to said printer interface for producing documents corresponding to image information.

19. The imaging computer network as claimed in claim 17, wherein:

at least one of said imaging computers further includes

a scanner for acquiring image information, and

a front end processor connected to said scanner and said data bus for processing acquired image information from said scanner.