Television – Image signal processing circuitry specific to television – Noise or undesired signal reduction
Reexamination Certificate
2006-02-07
2006-02-07
Lee, Michael H. (Department: 2614)
Television
Image signal processing circuitry specific to television
Noise or undesired signal reduction
C348S606000, C345S611000, C345S613000
Reexamination Certificate
active
06995803
ABSTRACT:
The described arrangements and procedures anti-alias a character for display on a monitor such as an interlaced television monitor. In one implementation, an expanded character is generated by increasing a character's original dimensions. The expanded character includes multiple sub-blocks and each sub-block includes multiple pixels. The pixels of each sub-block are mapped to a single destination color that is based on specific numbers of foreground pixels in the sub-block and a particular number of gray levels used to represent the character. Subsequent to this mapping, the expanded character is scaled back to its original size.
REFERENCES:
patent: 5910805 (1999-06-01), Hickey et al.
patent: 5940080 (1999-08-01), Ruehle et al.
patent: 6421060 (2002-07-01), Luken
Liu You-Shun
Wang Yu-Rong
Xu Shan
Zhou Zhi-Guang
Lee Michael H.
Lee & Hayes PLLC
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