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犯错
本文对火灾预警中DSP图像处理技术进行了研究。主要内容包括:
1.克服了常规传感器报警的缺点。采用图像型火灾报警系统利用火灾初期的火焰面积逐渐增大、火焰边缘抖动等特征作为火灾判据,消除了周围环境干扰的影响。
2.采用了具有高速度、高精度运算能力的DSP芯片,满足了图像处理中运算量大、实时性强、数据传输速率高等要求。具有功耗低、实时性强的优点。
3.采用基于模糊逻辑的图像识别技术,使系统通过模糊智能算法,把两个火灾判据―“面积增量”和“尖角变化量”有效的结合起来,进行判断。进一步提高了火灾探测的准确性,降低了误报率。
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- 2022-07-05 11:33:13下载
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Audio for MI systems specifies data formats for the exchange of the digital soun...
Audio for MI systems specifies data formats for the exchange of the digital sound
track associated with video in compressed and non-compressed formats. For audio
systems associated with video imagery applications, the audio subsections of the
Motion Imagery Standards Profile (MISP) apply. Application areas for MPEG-2
include: - Internet - DVD - Satellite video - airborne video - surveillance -
reconnaissance - intelligence - targeting - Scientific and Industrial - Digital Cinema -
Image archives and databases There are a number of standards competing with
MPEG-2, but MPEG-2 is by far the most widely used. -
Audio for MI systems specifies data formats for the exchange of the digital sound
track associated with video in compressed and non-compressed formats. For audio
systems associated with video imagery applications, the audio subsections of the
Motion Imagery Standards Profile (MISP) apply. Application areas for MPEG-2
include:- Internet- DVD- Sat
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Addison Wesley
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