US4908698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color picture image processing system for separating color picture image into pixels
Assignee: Fujitsu Ltd
•
Filing: 1988-05-26
•
Granted: 1990-03-13
•
Expires: 2008-05-26
Abstract
Abstract A color picture image processing system with edge detection for separating a color picture image into pixel data, transmitting vector signals constituting chrominance components of the pixel data in a corresponding relationship with a transmission of scalar signals corresponding to luminance components of the pixel data, and reproducing the color picture image from the transmitted vector signals and scalar signals. The system includes: a calculation processing unit for separating chrominance components of the pixel data constituting the color picture image into lamellar components and vortex components, a lamellar vector analysis connecting unit for generating divergence components representing the lamellar components separated in the calculation processing unit in the form of a differentiation and carrying out edge formation, a vortex vector analysis connecting unit for generating rotation components representing the vortex components separated in the calculation processing unit in the form of a differentiation, and an edge extracting unit for comparing at least one of the output of the lamellar vector analysis connecting unit and the output of the vortex vector analysis connecting unit with a predetermined value and carrying out a detection of an edge of the color picture image based on the result of the comparison.
Inventors
- 👤 Hajime Enomoto
- 👤 Isao Miyamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:41
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/64
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
180 words
A color picture image processing system for separating a color picture image into pixel data, transmitting vector signals constituting chrominance components of the pixel data in a corresponding relationship with a transmission of scalar signals corresponding to luminance components of the pixel data, and reproducing the color picture image from said transmitted vector signals and scalar signals, said system comprising: separation processing means for separating the color picture image into luminance components and chrominance components in correspondence with the pixel data, for separating the separated chrominance components into vector potential components based on a rotation operation on the chrominance components and scalar potential components based on a divergence operation on the chrominance components, and for providing each of said separated components as outputs, coding processing means operating in response to the outputs of said separation processing means for coding the luminance components and the chrominance components based on a coding of all of the scalar potential components, and synthesis processing means operating in response to the coded luminance components and the coded chrominance components for synthesizing the color picture image.
Claim 2
Dependent Claim
180 words
A color picture image processing system for separating a color picture image into pixel data, transmitting vector signals constituting chrominance components of the pixel data in a corresponding relationship with a transmission of scalar signals corresponding to luminance components of the pixel data, and reproducing the color picture image from said transmitted vector signals and scalar signals, said system comprising: separation processing means for separating the color picture image into luminance components and chrominance components in correspondence with the pixel data, for separating the separated chrominance components into vector potential components based on a rotation operation on the chrominance components and scalar potential components based on a divergence operation on the chrominance components, and for providing each of said separated components as outputs, coding processing means operating in response to the outputs of said separation processing means for coding the luminance components and the chrominance components based on a coding of all of the scalar potential components, and synthesis processing means operating in response to the coded luminance components and the coded chrominance components for synthesizing the color picture image.
Claim 3
Dependent Claim
189 words
A color picture image processing system for separating a color picture image into pixel data, transmitting vector signals constituting chrominance components of the pixel data in a corresponding relationship with a transmission of scalar signals corresponding to luminance components of the pixel data, and reproducing the color picture image from said transmitted vector signals and scalar signals, said system comprising: separation processing means for separating the color picture image into luminance components and chrominance components in correspondence with the pixel data, for separating the chrominance components into vector potential components based on a rotation operation on the chrominance components and scalar potential components based on a divergence operation on the chrominance components, and for providing each of said separated components as outputs, coding processing means operating in response to the outputs of said separation processing means for generating coded luminance information corresponding to the luminance component and coded chrominance information based on the coding of all of the vector potential components and the scalar potential components, and synthesis processing means operating in response to the coded luminance information and the coded chrominance information for synthesizing the color picture image.
Claim 4
Dependent Claim
189 words
A color picture image processing system for separating a color picture image into pixel data, transmitting vector signals constituting chrominance components of the pixel data in a corresponding relationship with a transmission of scalar signals corresponding to luminance components of the pixel data, and reproducing the color picture image from said transmitted vector signals and scalar signals, said system comprising: separation processing means for separating the color picture image into luminance components and chrominance components in correspondence with the pixel data, for separating the chrominance components into vector potential components based on a rotation operation on the chrominance components and scalar potential components based on a divergence operation on the chrominance components, and for providing each of said separated components as outputs, coding processing means operating in response to the outputs of said separation processing means for generating coded luminance information corresponding to the luminance component and coded chrominance information based on the coding of all of the vector potential components and the scalar potential components, and synthesis processing means operating in response to the coded luminance information and the coded chrominance information for synthesizing the color picture image.
Claim 5
Dependent Claim
187 words
A color picture image processing system with edge detection for separating a color picture image into pixel data, transmitting vector signals constituting chrominance components of the pixel data in corresponding relationship with a transmission of scalar signals corresponding to luminance components of the pixel data, and reproducing the color picture image from said transmitted vector signals and scalar signals, said system comprising: calculation processing means for separating chrominance components of the pixel data into lamellar components and vortex components, lamellar vector analysis connecting means for generating divergence components representing the lamellar components separated in said calculation processing means in the form of a differentiation and for providing first edge formation information, vortex vector analysis connecting means for generating rotation components representing the vortex components separated in said calculation processing means in the form of a differentiation and for providing second edge formation information, and edge extracting means for comparing at least one of the first edge formation information and the second edge formation information with a predetermined value and so as to detect an edge of said color picture image based on the result of said comparison.
Claim 6
Dependent Claim
187 words
A color picture image processing system with edge detection for separating a color picture image into pixel data, transmitting vector signals constituting chrominance components of the pixel data in corresponding relationship with a transmission of scalar signals corresponding to luminance components of the pixel data, and reproducing the color picture image from said transmitted vector signals and scalar signals, said system comprising: calculation processing means for separating chrominance components of the pixel data into lamellar components and vortex components, lamellar vector analysis connecting means for generating divergence components representing the lamellar components separated in said calculation processing means in the form of a differentiation and for providing first edge formation information, vortex vector analysis connecting means for generating rotation components representing the vortex components separated in said calculation processing means in the form of a differentiation and for providing second edge formation information, and edge extracting means for comparing at least one of the first edge formation information and the second edge formation information with a predetermined value and so as to detect an edge of said color picture image based on the result of said comparison.
Claim 7
Dependent Claim
62 words
A system according to claim 3, further comprising luminance edge extracting means for detecting an edge of said color picture image based on luminance components of the pixel data, so that detection of an edge of said color picture image is performed based on the edge detected by said edge extracting means and the edge detected by said luminance edge extracting means.
References Cited (Backward Citations)
US2920131A
Cited
GB863604A
Cited
US3860953A
Cited
US4141034A
Cited
US4500919A
Cited
JPS60213190A
Cited
US4816901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-12 | 1993-09-11 | 1994-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-12 | 1997-09-11 | 1998-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-12 | 2001-09-11 | 2002-03-13 | $7700.00 | Window Closed / Lapsed |