What is claimed is:
1. A moving-picture signal coding system having improved error resilience in a transmission channel, which comprises:
basic code-string forming means for coding an input image signal to output a basic code string;
additional code-string forming means for preparing and outputting an additional code string on the basis of the basic code string; and
code-string combining means for combining and outputting the additional code string to the basic code string.
2. A moving-picture signal coding system as set forth in claim 1, further comprising synchronizing signal adding means for adding a synchronizing signal to said additional code string; wherein
said code-string combining means synthesizes the additional code string to which the synchronizing signal is added by the synchronizing signal adding means, with said basic code string for outputting the synthesized code string.
3. A moving-picture signal coding system as set forth in claim 1, further comprising code-string simplifying means for simplifying said additional code string no reduce the code amount of the additional code string; wherein
said code-string combining means synthesizes the additional code string simplified by the code-string simplifying means with said basic code string, for outputting the synthesized code string.
4. A moving-picture signal coding system as set forth in claim 3, further comprising
means for controlling a simplifying method performed by said code-string simplifying means, on the basis of data on the code amount of the code string outputted from said coding means and on the basis of data on error resilience of the code string.
5. A moving-picture signal coding system as set forth in claim 3, further comprising synchronizing signal adding means for adding a synchronizing signal to said additional code string; wherein
said code-string combining means synthesizes the additional code string to which the synchronizing signal is added by the synchronizing signal adding means, with said basic code string for outputting the synthesized code string.
6. A moving-picture signal coding system as set forth in claim 3,
wherein said coding means codes said input image signal using a predetermined code table to produce said basic code string; and
wherein said code-string simplifying means comprises important data selecting means for selecting only an important data of a relatively high importance among said basic code string, and code-string transforming means for transforming the code string of the important data selected by the important data selecting means, using a code table which is optimized to the important data and which is different from the code table of said coding means.
7. A moving-picture signal coding system as set forth in claim 6, further comprising
means for controlling a simplifying method performed by said code-string simplifying means, on the basis of data on the code amount of the code string outputted from said coding means and on the basis of data on error resilience of the code string.
8. A moving-picture signal coding system as set forth in claim 3,
wherein said coding means codes said input image signal using a predetermined code table to produce said basic code string, and
wherein said code-string simplifying means comprises important data selecting means for selecting only an important data of a relatively high importance among said basic code string, and code-string transforming means for transforming the code string of the important data selected by the important data selecting means, using the same code table as that of said coding means.
9. A moving-picture signal coding system as set forth in claim 8, further comprising
means for controlling a simplifying method performed by said code-string simplifying means, on the basis of data on the code amount of the code string outputted from said coding means and on the basis of data on error resilience of the code string.
10. A moving-picture decoding system comprising:
code-string diving means for dividing an input code string into a basic code string and an additional code string obtained by delaying the basic code string;
decoding means for decoding the basic code string or the additional code string to output a decoded data;
discriminating means for discriminating whether it is possible to decode the basic code string from the coded data by the decoding means; and
code-string switching means for inputting the basic code string to the decoding means when it is discriminated by the discriminating means that it is possible to decode the basic code string by the decoding means, and for inputting the additional code string to the decoding means when it is discriminated by the discriminating means that it is impossible to decode the basic code string by the decoding means.
11. A moving-picture decoding system as set forth in claim 10, wherein
said code-string dividing means discriminates said basic code string from said additional code string by means of the synchronizing signal added to said additional code string, and divides said input code string into said basic code string and said additional code string on the basis of the discriminated results.
12. A moving-picture decoding system as set forth in claim 10, further comprising interpolating means for interpolating parts of said additional code string simplified to reduce the code amount thereof; wherein
said code-string switching means inputs the additional code string interpolated by the interpolating means, to said decoding means when it is discriminated by said discriminating means that it is impossible to decode said basic code string by said decoding means.
13. A moving-picture decoding system as set forth in claim 12, further comprising interpolating means for interpolating parts of said additional code string simplified to reduce the code amount thereof; wherein
said code-string switching means inputs the additional code string interpolated by the interpolating means, to said decoding means when it is discriminated by said discriminating means that it is impossible to decode said basic code string by said decoding means.
14. An image data decoding system comprising:
code-string discriminating means for discriminating whether an input code string is a basic code string or an additional code string obtained by delaying the basic code string;
basic code-string decoding means for decoding the basic code string; additional code-string decoding means for decoding the additional code string;
code-string switching means for inputting the input code string to the basic code-string decoding means when it is discriminated by the code-string discriminating means that the input code string is the basic code string, and for inputting the input code string to the additional code-string decoding means when it is discriminated by the code-string discriminating means that the input code string is the additional code string; and
means for selectively outputting any one of a decoded value of the basic code-string decoding means and a decoded value of the additional code-string decoding means, on the basis of the discriminated results of the code-string discriminating means, the decoded state of the basic code-string decoding means, and the decoded state of the additional code-string decoding means.
15. An image data decoding system as set forth in claim 14, wherein
said code-string discriminating means discriminates whether said input code string is the basic code string or the additional code string, on the basis of data representative of a time position of a frame of said input code string.
16. An image data decoding system as set forth in claim 14, wherein
said decoded-value selecting means selects any one of a decoded value of said basic code-string decoding means and a decoded value of said additional code-string decoding means for each of a small region of an image, by means of decoded data of said basic code-string decoding means and said additional code-string decoding means, error data, and said code-string discriminating means.
17. An image data decoding system comprising:
code-string discriminating means for discriminating whether an input code string is a basic code string or an additional code string obtained by delaying the basic code string;
code-string decoding means for decoding the input code string;
decoded-value storing means for storing a decoded value decoded by the code-string decoding means; and
means for selectively outputting any one of a decoded value of the code-string decoding means and the decoded value stored in the decoded-value storing means, on the basis of the discriminated results of the code-string discriminating means and the decoded state of the code-string decoding means.
18. An image data decoding system as set forth in claim 17, wherein
said code-string discriminating means discriminates whether said input code string is the basic code string or the additional code string, on the basis of data representative of a time position of a frame of said input code string.
19. An image data decoding system as set forth in claim 17, wherein
said decoded-value selecting means selects any one of a decoded value of said basic code-string decoding means and a decoded value of said additional code-string decoding means for each of a small region of an image, by means of decoded data of said basic code-string decoding means and said additional code-string decoding means, error data, and said code-string discriminating means.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A system for managing and tracking technical events associated with production of aircraft and aircraft-related components, the system comprising:
a database configured to store quality assurance information about said technical events associated with said production of aircraft and aircraft-related components;
an end-user connected to said database via a network;
a server connected to said network, said sever being configured to manage said quality assurance information about said technical events between said database and said end-user; and
a web-based graphical user interface configured to display, at said end-user, said quality assurance information.
2. The system of claim 1, wherein said quality assurance information includes a case number, a critical number, status information about one of said technical events, an origin of one particular technical event, cost associated with said one technical event, and disposition of said one technical event.
3. The system of claim 1, wherein said web-based graphical user interface is configured to display a status of corrective action for said technical events.
4. The system of claim 1, wherein said web-based graphical user interface is configured to arrange and display said technical events in order of importance.
5. The system of claim 4, wherein said server is configured to determine said order of importance of said technical events based on a critical number, said critical number being determined by frequency of one of technical events, severity of said one technical event, and detectability of said one technical event.
6. The system of claim 5, wherein after said one technical event is cured, said server changes said critical number, and said web-based graphical user interface displays an updated critical number.
7. A method of managing and tracking technical events during production of aircraft and aircraft-related components via a web-based system, the method comprising:
receiving information about said technical events from an end-user;
transmitting said information about said technical events to a database;
receiving a request from another end-user;
retrieving said information about said technical events from said database; and
providing quality assurance information about said technical events to said another end-user via a network.
8. A method according to claim 7, wherein said providing further comprises providing to said end-user quality assurance information including, a case number, a critical number, status of one of said technical events, an origin of said one technical event, cost associated with said one technical event, and disposition of said one technical event.
9. A method according to claim 7, wherein said providing further comprises providing to said end-user a status of corrective action for said technical events.
10. A method according to claim 7, wherein said providing further comprises providing to said end-user said information about said technical events arranged in order of importance.
11. A method according to claim 10, further comprising determining said order of importance of said technical events based on a critical number determined by frequency of one of said technical events, severity of said one technical event, and detectability of said one technical event.
12. A method according to claim 11, further comprising decreasing said critical number after said one technical event is cured; and
providing to said end-user an updated critical number after said one technical defect is cured.
13. A computer program product for managing and tracking technical events during the production of aircraft and aircraft related components, said computer program product being configured to store program instructions for execution on a computer system enabling the computer system to perform the steps of:
receiving information about said technical events from an end-user;
transmitting said information about said technical events to a database;
receiving a request from another end-user;
retrieving said information about said technical events from said database; and
providing quality assurance information about said technical events from said database to said another end-user via a network.
14. The computer program product of claim 13, wherein said providing further comprises providing to said end-user quality assurance information including, a case number, a critical number, status of one of said technical events, an origin of said one technical event, cost associated with said one technical event, and disposition of said one technical event.
15. The computer program product of claim 13, wherein said providing further comprises providing to said end-user a status of corrective action for said technical events.
16. The computer program product of claim 13, wherein said providing further comprises providing to said end-user said information about said technical events arranged in order of importance.
17. The computer program product of claim 16, further comprising determining said order of importance of said technical events based on a critical number determined by frequency of one of said technical events, severity of said one technical event, and detectability of said one technical event.
18. The computer program product of claim 17, further comprising decreasing said critical number after said one technical event is cured; and
providing to said end-user an updated critical number after said one technical defect is cured.