Computer graphics processing and selective visual display system – Computer graphics processing – Graphic manipulation
Reexamination Certificate
1999-04-12
2002-10-08
Brier, Jeffery (Department: 2672)
Computer graphics processing and selective visual display system
Computer graphics processing
Graphic manipulation
62, C463S035000, C463S042000
Reexamination Certificate
active
06462749
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an image processing unit, an image processing method and storage medium, more specifically to an image processing unit and an image processing method for reconfiguring configuration information items of image data comprising a plurality of objects and storage medium in use for the same.
2. Related Background Art
With a level advancement in the coding technique of image data and a development in the computer technique for recent years, an image processing system for subjecting each object contained in image data to coding/decoding processing has been proposed. With this image processing system, coding of image data in the unit of an object makes it possible to code each object optionally, thus enabling the promotion of coding efficiency to be achieved.
Meanwhile, with such a type of image processing system, since image data are independently coded for each object, it is required at the time of decoding to synthesize these individual objects to prepare the scene (screen) corresponding to image data prior to the coding and there is a configuration information item for this purpose. And, in a former image processing unit, image data has been displayed on a display screen on the basis of the configuration information.
FIG. 11
is a drawing showing one example of scene displayed on the display screen of an image processing unit through coding/decoding processing, while the scene projects a look that a bus
52
runs in a background
51
composed of a road and a mountain and a driver
53
and a passenger
54
ride in the bus
52
.
And, as shown in
FIG. 12
, the configuration information of this scene is described with tree-like node information items comprising a “background” node, a “bus” node, a “driver” and a “passenger” node. Generally, in addition to picture objects, each of these nodes includes voice objects and further attribute information items such as space coordinate information items represented by a position information item indicating the display position of an image or a size information item indicating the size of an image and a time information item indicating the display time of an image as well as relative space coordinate information items and relative time information items of each of “passenger” and “background” nodes respectively to the whole screen and on the time axis. By these attribute information items are determined when, where and what picture object is displayed.
Unless the configuration information items of a scene are made on the basis of the correlation functions between individual objects, however, the above image processing unit presented a problem that deletion of a “bus” node from the configuration information of
FIG. 12
as shown in
FIG. 13
, results in display of an unnatural scene, because of leaving a driver
53
and a passenger
54
relating to the bus
52
undeleted as shown in FIG.
14
.
Considering such a problem, the present invention has one purpose in presenting an image processing unit capable of creating a natural display screen by reconfiguring the configuration information items according to the need, and a method for processing image data.
SUMMARY OF THE INVENTION
One embodiment of the present invention provides an image processing unit comprising input means for inputting configuration information items of image data divided in the unit of an object and display means for synthesizing every object inputted from the input means to display image data on the display screen, featured by incorporating attribute information extracting means for extracting the attribute information item of each object on the basis of the above configuration information items, correlation acquiring means for acquiring the correlation between individual objects on the basis of the extracted result of the extracting means and configuration information modifying means for modifying the above configuration information items on the basis of the acquired results of the above correlation acquiring means.
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Blackman Anthony J.
Brier Jeffery
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