Drawing device, drawing method, and drawing program

Details Drawing device, drawing method, and drawing program Drawing device, drawing method, and drawing program

2011-03-22

2011-03-22

Sajous, Wesner (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S428000, C345S587000, C345S606000, C345S552000, C382S232000, C382S248000, C382S254000, C382S300000

Reexamination Certificate

active

07911478

ABSTRACT:
A display device includes a wavelet transform unit for transforming an original image into wavelet coefficients using a Harr wavelet transform formula, a level obtaining unit for obtaining a mipmap level of a mipmap image. The display device also includes an inverse wavelet transform unit for receiving and subjecting at least a portion of the wavelet coefficients obtained by the transformation by the wavelet transform unit, to an inverse transform using an inverse Harr wavelet transform formula until an order having a value equal to the mipmap level is obtained, and outputting an image represented by at least a portion of a low-frequency component of wavelet coefficients having the order having the value equal to the mipmap level. Additionally, the display device includes a polygon drawing unit for drawing the image output by the inverse wavelet transform unit, as a mipmap image, on the polygon image.

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Mason Woo, et al., “The Official Guide to Learning Opengl, Version 1.1”, US, Addision-Wesley, 1997, pp. 338 and 339.

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