Via Technologies, Inc.

Jackie Hsiung

Sheng-Che Tsao

An-Te Chiu

Ting-Kun Yeh

The present invention provides a selection methodology of de-interlacing algorithm of dynamic image, comprising detecting hardware resource of player system. When hardware resource of player system corresponds to the executing condition of algorithm of line-segment de-interlacing, then selects algorithm of line-segment de-interlacing for de-interlacing. When hardware resource of player system doesn't correspond to the executing condition of algorithm of line-segment de-interlacing, then detects input image to see whether it contains information of P-frame or not. When input image contains information of P-frame, the player system selects algorithm of block-based de-interlacing for de-interlacing. Otherwise, the player system selects whether it takes complete frame as a process unit for deciding frame-based de-interlacing and field-based de-interlacing, and provides users with a higher-resolution dynamic image and a better elasticity of selection.

Selection methodology of de-interlacing algorithm of dynamic image

A method and apparatus for adaptive frame rate conversion comparing the steps of calculating a plurality of motion vectors of a plurality of blocks to generate a motion judgment value; comparing the motion judgment value with a threshold value to decide a frame rate conversion approach; and executing the frame rate conversion approach. Furthermore, the apparatus for adaptive frame rate conversion comparing a motion vector processing unit for extracting and calculating a plurality of motion vectors from a plurality of blocks of an incoming image to generate a motion judgment value; a microprocessor for comparing the motion judgment value with a threshold value to generate a comparing result and determining a frame rate conversion approach according to the comparing result; and a video processing unit for executing the frame rate conversion approach determined by the microprocessor.

Method and apparatus for adaptive frame rate conversion

The present invention provides a method and apparatus of adaptive de-interlacing of dynamic image, configured for calculating encoding information of a dynamic image to acquire an image shift value of field and then compare the image shift value of field with a programmable threshold. When the image shift value of field is substantially greater than the threshold, then choosing Bob algorithm for de-interlacing; otherwise, when the image shift value of field is substantially less than the threshold, then choosing Weave algorithm for de-interlacing to constitute a high-resolution motion image.

Method and apparatus of adaptive de-interlacing of dynamic image

The present invention provides a method and apparatus of adaptive de-interlacing of dynamic image, configured for calculating characteristic values of each line segment of current frame in sequence according to width of line segment. Next, calculating the difference between characteristic values of each line segment of current frame and characteristic values of each corresponding line segment of reference frame in sequence to acquire an image shift value of line segment. And next, comparing the image shift value of line segment with a threshold to determine a de-interlacing algorithm for executing the de-interlacing and constituting a high-resolution dynamic image. At the same time, storing characteristic values of each line segment of current frame for being the characteristic values of each corresponding line segment of the former frame when calculating the image shift value of line segment of the next frame. By adjusting width of line segment and a threshold, it can control which kind of de-interlacing for using and information amount of each de-interlacing process to acquire good image quality of dynamic image and elasticity of operation.

The present invention provides a method and apparatus of adaptive de-interlacing of dynamic image, in which extraction and calculation of motion vectors contained in a macro-block being processed, the value of calculation of motion vectors being then compared with a programmable threshold; wherein the macro-block being a motion block if the value of calculation being greater than the threshold and therefore Bob algorithm being chosen for de-interlacing process. Otherwise, the macro-block being a still block if the value of calculation being less than the threshold and therefore Weave algorithm being chosen for de-interlacing process. Consequently, the process is enforced continually and a dynamic image of high image quality is constituted with block as its unit.

An image wipe method includes the steps of defining at least a first reference point to divide a screen area into several sub-areas according to the first reference points, selecting at least one sub-area, and performing a first image process on the selected sub-area. In addition, an image wipe device for executing the method is provided.

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Taipei, Taiwan

Jackie Hsiung