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Kinematic image compression device and method thereby

A technology of moving images and compression devices, applied in image communication, image coding, image data processing, etc., can solve problems such as difficulty and change the frame rate of compressed data

Inactive Publication Date: 2003-04-02
艾迪斯株式会社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is difficult to change the frame rate of the compressed data

Method used

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  • Kinematic image compression device and method thereby
  • Kinematic image compression device and method thereby
  • Kinematic image compression device and method thereby

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Embodiment Construction

[0040] image 3 is a block diagram of a moving image compression device capable of changing frame rates according to a preferred embodiment of the present invention, Figure 4 shows the use of image 3 The shown device compresses a sequence of moving pictures.

[0041] like image 3 As shown, the moving image compression device according to one embodiment of the present invention includes: a preprocessing unit 20, which is used to change the frame rate of the input original moving image to a desired frame rate, and store the image at the desired frame rate; and A compression unit 10 for reading moving images stored in the compression unit at a desired frame rate, compressing the moving images and outputting compressed data.

[0042] The pre-processing unit 20 may include a storage unit 21 for temporarily storing input original moving images, and a control unit 22 for generating a read control signal and a write control signal and sending them to the storage unit 21 .

[0043...

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Abstract

A motion image compression apparatus capable of changing frame rate, including a compression section for compressing motion images using a prediction technique after receiving the motion images frame by frame, and a preprocessing section located at a front end of the compression section for receiving original motion images, changing a frame rate of the original motion images to a desired frame rate and sending the motion images having the desired frame rate to the compression section frame by frame.

Description

technical field [0001] The present invention relates to a device and method for compressing moving images, especially a device and method for compressing moving images that can change the frame rate (number of frames displayed per second) during the process of compressing moving images. Background technique [0002] Typically, moving images are compressed at a constant frame rate. For example: According to the standards of the Moving Picture Experts Group (MPEG), the moving picture is compressed at a speed of 30 frames (60 fields) / second and 25 frames (50 fields) / second, which respectively comply with the National Television System Committee (NTSC) Standard and PAL (Phase Alternating Line) standard. [0003] Due to broadcasting service standards such as NTSC and PAL, a fixed frame rate is forced to be used in the compression process, and a video image signal received from a video camera or television broadcast uses a fixed frame rate. [0004] Compressing a moving image at...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T9/00H04N7/26H04N7/46H04N7/50
CPCH04N19/00781H04N19/00751H04N7/50H04N19/00484H04N7/26882H04N19/00903H04N7/467H04N7/26707H04N19/61H04N19/423H04N19/587H04N19/85
Inventor 李命焕
Owner 艾迪斯株式会社