Patent EP0568356A2 successfully refreshed from Google Patents.
EP0568356A2
Expired / Lapsed
EP
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Video processor system
Assignee: Canon Information Systems Research Australia Pty Ltd
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Filing: 1993-04-28
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Granted: —
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Expires: 2013-04-28
Abstract
Abstract An inexpensive audio and video processing system (1) for combining animated object images with live video (28) with the addition of a combined audio capability (12) is disclosed. The system (1) includes a video processor system comprising a real-time object (RTO) processor (10) for rendering object-based graphic images, a video input means (30,27) for receiving a first video signal (28), at least one colour mixing and generation device (13) arranged to combine said first video signal (28) with image data (24) rendered from the RTO processor (10) to provide a second video signal and a video output means (38) for outputing same.
Inventors
- 👤 Kia c/o Canon Info. Sys. Research Silverbrook
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-10 02:14
CPC Classifications
G; G06; G06T; G06T17/00; G06T15/00; G06T15/50; H; H04; H04N; H04N19/00; H04N19/20; H04N19/27; H04N5/00; H04N5/222; H04N5/262
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
75 words
A video processor system (1) characterised in that said system comprises areal-time object (RTO) processor (10) for rendering object-based graphic images, a video input means (30) for receiving a first video signal (28), at least one colour mixing and generation device (32-35) arranged to combine said first video signal (28) with image data rendered from said RTO processor (10) to provide a second video signal (39) and a video output means (38) for outputing same.
Claim 2
Dependent Claim
30 words
A video processor system as claimed in claim 1 characterised in that said system (1) further comprises a host processor means (2) for composing and editing said object-based graphic images.
Claim 3
Dependent Claim
36 words
A video processor system as claimed in claim 2 characterised in that said system (1) further comprises a user controllable input means (42,44) for selecting and editing said object image data to create edited image data
Claim 4
Dependent Claim
25 words
A video processor system as claimed in claim 1 ,2 or 3 characterised in that said image data is based on quadratic polynomial fragments (QPF's).
Claim 5
Dependent Claim
75 words
A video processor system as claimed in any one of the preceding claims characterised in that said RTO processor means (10) further comprises edge determination means adapted to determine a current line object edge position data and a pixel colour determination means (13) adapted to receive said current line object edge position data from said edge determination means and to produce a current pixel colour value for each displayable pixel of said object-based graphic image.
Claim 6
Dependent Claim
24 words
A video processor system as claimed in claim 5 wherein said current line edge position data includes object colour information and object transparency information.
Claim 7
Dependent Claim
39 words
A video processor system as claimed in claim 5 or 6 characterised in that said pixel colour determination means (13) includes a colour mixing and generation means (32-35) for each colour component (Y,Cr,Cb) of said second video signal (39).
Claim 8
Dependent Claim
43 words
A video processor system as claimed in claim 7 characterised in that said pixel colour determination means (13) is connected to said host processor (2) and setup and control information of said colour transformation means (13) is alterable by said host processor (2).
Claim 9
Dependent Claim
44 words
A video processor system as claimed in any one of the preceding claims characterised in that said system (1) further comprises a control means (12) with associated memory means (11) for generating audio output signals (47) in concert with said second video signal (39).
Claim 10
Dependent Claim
32 words
A video processor system as claimed in claim 9 characterised in that said audio output signals (47) are generated in substantial synchronism with visual events depicted within said second video signal (39).
Claim 11
Dependent Claim
31 words
A video processor system as claimed in claim 9 or 10 characterised in that said system (1) further comprises a peripheral processor means (9) adapted to operate said control means (12).
Claim 12
Dependent Claim
24 words
A video processor system as claimed in claim 9, 10 or 11 characterised in that said memory means (11) is a first-in first-out queue.
Claim 13
Dependent Claim
48 words
A video processor system as claimed in any one of claims 3 to 12 when dependent upon claim 3 characterised in that said input means (30) further includes a plurality of memory storage housing means (6,7) adapted to receive detachable memory storage devices (19) containing object image data.
Claim 14
Dependent Claim
26 words
A video processor system as claimed in claim 13 characterised in that said detachable memory storage devices (19) are in the form of non-volatile memory cards.
Claim 15
Dependent Claim
30 words
A video processor system as claimed in claim 13 or 14 characterised in that said memory storage devices (19) include system code used in the operation of said graphics system.
Claim 16
Dependent Claim
37 words
A video processor system as claimed in claim 13, 14 or 15 characterised in that said input means (6,7) further comprises detection means for determination of the presence or absence of said detachable memory storage device (19).
Claim 17
Dependent Claim
113 words
A video processor system (1) comprising a host processor (2) for compositing a list of graphic objects that together form an animated image, a real-time object processor (10) for receiving said list and rendering object level data (24) in a rasterised format, video input means (27,29,30) for receiving a video input signal (28) of a video image, colouring means (13) for receiving said object level data (24) and assigning image colour thereto for combining same with said video input signal (28) to produce a combined signal (Y,Cr,Cb) of said animated image and said video image, and video output means (38) for outputting said combined signal in a video format (39,40) for rasterised display.
Claim 18
Dependent Claim
35 words
A system as claimed in claim 17 further comprising memory means (4,5,19) in which are stored said graphic objects, said memory means (4,5,19) being accessible by said host processor (2) for generation of said list.
Claim 19
Dependent Claim
27 words
A system as claimed in claim 18 wherein said memory means (4,5,19) comprises user alterable memory devices (19) connectable to said system by complementary connecting ports (6,7).
Claim 20
Dependent Claim
37 words
A system as claimed in claim 17, 18 or 19 wherein said list comprises a list of individual curve portions for each said object, said real-time processor (10) manipulating each said portion to produce said animated image.
Claim 21
Dependent Claim
43 words
A system as claimed in claim 20 wherein said portions describe curves by means of quadratic polynomial data (QPF) that can be calculated by said real-time object processor (10) to produce said animated image at real-time data rates suitable for real-time rasterised display.
Claim 22
Independent Claim
81 words
A system as claimed in any one of claims 17 to 21 wherein said video input means (27) decodes said video input signal into a plurality of colour components (Y,U,V) which are input to said colouring means (13) in which each said component is separately combined with said object level data (24) to provide a pixel value for a corresponding combined colour component (Y,Cr,Cb), said video output means (38) encoding the corresponding combined colour components to provide said video output signal(39,40).
Claim 23
Dependent Claim
35 words
A system as claimed in claim 22 wherein colouring means (13) comprises a plurality of colour generation and mixing (CGM) devices (32-35) including at least one said device (32-34) for each said colour component (Y,U,V).
Claim 24
Dependent Claim
47 words
A system as claimed in claim 23 wherein said colouring means (13) comprises a further CGM device (35) which receives only said object level data (24) and outputs to the other CGM devices (32-34) a mixing level that controls the mixing of said video and animated images.
Claim 25
Independent Claim
34 words
A system as claimed in any one of claims 17 to 24 further comprising sound means (9,12) for generating audio signals (47) in substantial synchronism with selected portions of said video output signal (39,40).
Claim 26
Dependent Claim
42 words
A system as claimed in claim 25 wherein said sound means (9,12) comprises an audio input means (9) for receiving an audio input signal (46) that can be processed in a sound effects generator (12) which outputs said audio output signal (47).
Claim 27
Dependent Claim
44 words
A video processor system comprising first processing means for generating data representing graphic images, input means for receiving a first video signal, and second processing means for combining said first video signal with the data representing graphic images to produce a second video signal.
Claim 28
Independent Claim
34 words
A method of generating a composite video signal comprising the steps: generating graphic image data; and combining the graphic image data with a first video signal in real-time to produce a second video signal.
Claim 29
Dependent Claim
20 words
A processor or method according to claim 27 or claim 28 wherein said graphic image data form an animated sequence.
Claim 30
Dependent Claim
27 words
A processor or method according to any of claims 27 to 29 further comprising means for generating audio output signals substantially in synchronisation with generated video signals.
References Cited (Backward Citations)
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