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Movement compensation

A technology that drives images based on the amount of activity. It is applied in the field of activity compensation and can solve the problem that the picture quality cannot be said to be good enough.

Inactive Publication Date: 2008-07-23
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, when motion compensation using the above-mentioned method is applied, the processing circuit for generating an interpolated frame image must be a very large-scale processing circuit including various digital circuits such as a memory and an arithmetic circuit.
In addition, sometimes the quality of the generated interpolated frame image cannot be said to be good enough

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] A1. The overall structure of the image display system:

[0085] A2. The structure and work of the activity detection unit:

[0086] A3. Structure and work of driving image data generation unit:

[0087] The effect of A4. embodiment:

[0088] A5. Modified examples of driving image data:

Embodiment 3

[0091] D.Modification

[0092] A. Embodiment 1:

[0093] A1. The overall structure of the image display system:

[0094] FIG. 1 is a block diagram showing the configuration of an image display device to which an image data processing device as Embodiment 1 of the present invention is applied. This image display device DP1 is a computer system, and its configuration includes: a signal conversion unit 10 as an image data processing device, a frame memory 20, a memory write control unit 30, a memory read control unit 40, a drive image data generation unit 50, A motion detection unit 60, a liquid crystal panel drive unit 70, a CPU 80, a memory 90, and a liquid crystal panel 100 as an image display device. In addition, this image display device DP1 has various peripheral devices such as an external storage device and an interface provided in a general computer system, and the illustration thereof is omitted here.

[0095] In addition, the image display device DP1 is a projector,...

example 1

[0137] In the above-mentioned embodiment, as shown in FIG. 6 , it is an example of the situation where the readout image data and masking data are alternately configured for each horizontal line, but it is also possible for each m lines (m is an integer greater than or equal to 1) Horizontal lines, interactively configured to read out image data and masking data. In this case, as in the embodiment, for each group of two consecutive frames, the human visual properties can be used to effectively interpolate between the two frames, and the displayed moving image can be changed to smooth movement. In addition, compensation can also be performed in order to reduce the afterimage phenomenon caused by human vision to the motion and obtain smooth motion. Also, by compensating, it is also possible to suppress the destruction of the color balance due to the afterimage phenomenon caused by human vision to obtain an excellent color balance.

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PUM

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Abstract

The invention aims to realize that a large-scale digit circuit is not utilized to act the active compensation. For read image data corresponding to a first frame, first read image data of a first cycle which is read out last and the read image data corresponding to a second frame which follows the first frame, at least one part of each read image data is replaced with image data of mask data so as to be used as driving image data by second read image data of the first cycle which is read out first; in the read image data for removing the first read image data in the first frame, the read image data which is read out at least in one cycle is used as the driving image data without change; in the read image data for removing the second read image data in the second frame, the read image data which is read out at least in one cycle.

Description

technical field [0001] The present invention mainly relates to a motion (motion) compensation technique for displaying moving images in an image display device using an image display device called a flat panel such as a liquid crystal panel. Background technique [0002] An image display apparatus using an image display device such as a liquid crystal panel displays a moving image by switching a plurality of frame images at a predetermined frame frequency (frame rate). Therefore, there is a problem that the movement of the displayed moving image becomes intermittent. [0003] In order to solve this problem, it has been proposed to generate an interpolation frame image for interpolation between two consecutive frame images to realize a motion compensation technology for smooth moving picture display (for example, refer to Patent Documents 1 to 3 ). [0004] Patent Document 1: Japanese Unexamined Patent Publication No. H10-233996 [0005] Patent Document 2: Special Publicat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G5/36G09G3/36G02F1/133H04N5/14G09G3/20
CPCG09G2310/04G09G3/3648G09G2340/16G09G2320/0261
Inventor 竹内启佐敏
Owner SEIKO EPSON CORP