Movnig picture processing method and apparatus, method anjd apparatus for generating restore singal

A motion graphics and signal processing technology, applied in image communication, digital video signal modification, pulse modulation TV signal transmission, etc., can solve problems such as difficulty in producing graphics processing equipment, hindering graphics processing equipment, and complex processing

Inactive Publication Date: 2004-01-07
SONY CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, due to figure 1 The motion graphics processing system shown uses the frame synchronization signal S2 in the graphics processing system, so the frame synchronization signal S2 cannot be used in, for example, the graphics processor 20
[0018] On the other hand, not only must the figure 2 general motion graphics as shown, but also to image 3 In the case of processing motion graphics including redundant graphics as shown, the processing that can be performed by the graphics processor 20 will be more complicated depending on whether to perform the pre-processing
[0019] Also, since a series of motion graphics contains redundant graphics in an irregular manner, the frame timing may vary irregularly in a more complex manner
This prevents graphics processing devices so far to use all these variable timings to copy, and it is also very difficult to produce such graphics processing devices

Method used

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  • Movnig picture processing method and apparatus, method anjd apparatus for generating restore singal
  • Movnig picture processing method and apparatus, method anjd apparatus for generating restore singal
  • Movnig picture processing method and apparatus, method anjd apparatus for generating restore singal

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Embodiment Construction

[0074] A motion graphics processing device for performing the motion graphics processing method of the present invention is explained in detail below with reference to FIG. 4 .

[0075] Fig. 4 shows a motion graphics processing system including a motion graphics processing device. In this system, the original input motion graphics information is a video signal from a film source, using a so-called 3:2 pulldown to set the frame rate to 30 Hz.

[0076] First a brief explanation of the 3-2 pulldown. The well known 3:2 pulldown technique is widely used when a film source such as motion graphics is converted into an interlaced video signal. That is: if the number of motion graphics film graphics frames is 24 per second, and the interlaced video signal has a graphics speed of 30 frames per second or 60 fields per second, then a certain number of fields will be converted by 3:2 pulldown.

[0077] That is to say, a technique is used in which, in two consecutive graphic frames of one...

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Abstract

In a method of processing a moving picture, an input digital moving picture signal of a pre-set picture rate and having plural field pictures is subjected to pre-set picture processing and the processed digital picture signal is transmitted. The processing method includes a first step of detecting a redundant field from the input picture signal, a second step of eliminating the detected redundant field from the plural field pictures, a third step of deciding, from a string of field pictures from which the redundant fields have been eliminated, the combination of a top field and a bottom field constituting a frame to be subjected to the pre-set picture processing, and outputting the results of decision, a fourth step of inserting a pre-set signal in the field picture string from which the redundant field has been eliminated for generating a picture signal for processing having the same picture rate as the input digital picture signal, and a fifth step of subjecting the picture signal to the pre-set picture processing based upon the results of the decision.

Description

technical field [0001] The present invention relates to a motion graphics processing method for processing motion graphics containing redundant graphics, in particular, the present invention relates to a method for performing photoelectric conversion on an original image source such as a motion graphics film to obtain A motion graphics processing device for processing motion graphics signals. Background technique [0002] In order to interconnect a plurality of devices for processing motion graphics to provide a motion graphics processing system, it is necessary to synchronize motion graphics. Typically, one of the devices in such a system is used as a reference, and the rest of the devices follow this reference device. This base device is called the master device, and the remaining devices are called slave devices. Examples of primary devices include video cameras, VTRs, video discs or computers used as a source of motion graphics, while examples of slave devices include ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/01H04N7/26
CPCH04N7/01H04N7/0112H04N7/26893H04N19/00903H04N7/26882H04N19/85H04N21/43
Inventor 大石义明加藤元树北泽俊彦安田和德
Owner SONY CORP
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