发明名称 |
Image processing method, image processing apparatus and recording medium |
摘要 |
An image processing method of quantizing multi-tone image data by an error diffusion method, includes the steps of a) detecting change of the image data; and b) oscillating cyclically in image space a threshold for the quantization in an oscillation range controlled according to the detection result of the step a).
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申请公布号 |
US6977757(B1) |
申请公布日期 |
2005.12.20 |
申请号 |
US20000695992 |
申请日期 |
2000.10.26 |
申请人 |
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发明人 |
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分类号 |
H04N1/405;(IPC1-7):H04N1/405;H04N1/409;G06T5/00 |
主分类号 |
H04N1/405 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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