| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2010: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Research Abstract |
Image interpolation is required in various digital signal processing(DSP) applications. For example, if one wants to increase the resolution of an image, an image interpolator must be used to interpolate the image. A practical example is the zooming operation used in digital camera, where the image resolution is to be frequently adjusted. In this research, we developed a new interpolation technique that utilizes a new type of digital filter called variable fractional-delay(VFD) filter to achieve high-accuracy image interpolation. As long as an accurate all-pass VFD filter can be designed, more accurate image interpolation than the conventional methods like linear interpolation and cubic interpolation can be achieved.
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