FPGA解码MIPIFPGA实现CSI-2 解码MIPI视频 2line 720P分辨率 OV5647采集 提供工程源码和输入：ov5647 2line mipi 720P分辨率开发板：Kint

rFYcsEXAVftCZIP解码实现解码视频分辨率采.zip  211.58KB

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ZIP 解码实现解码视频分辨率采.zip 大约有14个文件
  1. 1.jpg 51.58KB
  2. 2.jpg 105.03KB
  3. 3.jpg 34.37KB
  4. 4.jpg 38.4KB
  5. 实现解码视频的技术分析摘要本文主要介绍.doc 1.99KB
  6. 技术随笔解码视频之路在数字化时代视频处理技术日新月.txt 1.77KB
  7. 无刷电机的仿真与转速电流双闭环控制.txt 1.81KB
  8. 解码在现代技术发展的背景下被广.doc 1.88KB
  9. 解码实现与的图像传输随着科技的进步高清视频.txt 1.92KB
  10. 解码实现解码视频.html 5.22KB
  11. 解码视频在工程实践中的应用与解析.txt 2.57KB
  12. 解码视频实现线分辨率的工程解.html 10.55KB
  13. 解码视频实现线分辨率的解码与输出一背景.txt 2.54KB
  14. 解码视频技术分析文章一背景.html 12.14KB

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FPGA解码MIPI FPGA实现CSI-2 解码MIPI视频 2line 720P分辨率 OV5647采集 提供工程源码和 输入：ov5647 2line mipi 720P分辨率 开发板：Kintex7 输出：HDMI，720P分辨率 MIPI视频经过CSI-2解码，bayer转rgb，送入ddr3做三帧缓存后输出HDMI。 。
<link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90240452/2/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90240452/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">FPGA<span class="_ _0"> </span><span class="ff2">实现<span class="_ _1"> </span></span>CSI-2<span class="_ _0"> </span><span class="ff2">解码<span class="_ _1"> </span></span>MIPI<span class="_ _0"> </span><span class="ff2">视频的技术分析</span></div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">摘要<span class="ff3">：</span>本文主要介绍了<span class="_ _1"> </span><span class="ff1">FPGA<span class="_ _0"> </span></span>解码<span class="_ _1"> </span><span class="ff1">MIPI<span class="_ _0"> </span></span>视频的实现过程<span class="ff3">，</span>以及相关工程源码和详细设计文档的链接</div><div class="t m0 x1 h2 y3 ff4 fs0 fc0 sc0 ls0 ws0">。<span class="ff2">文章首先介绍了所使用的设备和开发板<span class="ff3">，</span>包括<span class="_ _1"> </span><span class="ff1">OV5647<span class="_ _0"> </span></span>图像传感器</span>、<span class="ff1">Kintex7<span class="_ _0"> </span><span class="ff2">开发板等</span></span>。<span class="ff2">然后详</span></div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">细讲解了<span class="_ _1"> </span><span class="ff1">MIPI<span class="_ _0"> </span></span>视频的解码过程<span class="ff3">，</span>包括<span class="_ _1"> </span><span class="ff1">CSI-2<span class="_ _0"> </span></span>解码<span class="ff4">、<span class="ff1">bayer<span class="_ _0"> </span></span></span>转<span class="_ _1"> </span><span class="ff1">rgb<span class="_ _0"> </span></span>以及<span class="_ _1"> </span><span class="ff1">DDR3<span class="_ _0"> </span></span>三帧缓存等<span class="ff4">。</span>最后<span class="ff3">，</span></div><div class="t m0 x1 h2 y5 ff2 fs0 fc0 sc0 ls0 ws0">文章给出了与本文主题相关的链接和联系方式<span class="ff4">。</span></div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff2">引言</span></div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">近年来<span class="ff3">，</span>随着摄像技术的不断发展<span class="ff3">，<span class="ff1">MIPI</span>（<span class="ff1">Mobile Industry Processor Interface</span>）</span>接口被</div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">广泛应用于高清视频传输领域<span class="ff4">。</span>而<span class="_ _1"> </span><span class="ff1">FPGA<span class="ff3">（</span>Field-Programmable Gate Array<span class="ff3">）</span></span>作为一种可编程</div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">逻辑器件<span class="ff3">，</span>具备灵活性强<span class="ff4">、</span>性能优异等优点<span class="ff3">，</span>因此被广泛应用于高速视频处理任务中<span class="ff4">。</span>本文将介绍</div><div class="t m0 x1 h2 ya ff1 fs0 fc0 sc0 ls0 ws0">FPGA<span class="_ _0"> </span><span class="ff2">如何实现<span class="_ _1"> </span></span>CSI-2<span class="_ _0"> </span><span class="ff2">解码<span class="_ _1"> </span></span>MIPI<span class="_ _0"> </span><span class="ff2">视频的过程<span class="ff4">。</span></span></div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff2">设备和开发板介绍</span></div><div class="t m0 x1 h2 yc ff2 fs0 fc0 sc0 ls0 ws0">本文选取了<span class="_ _1"> </span><span class="ff1">OV5647<span class="_ _0"> </span></span>图像传感器作为输入设备<span class="ff3">，<span class="ff1">Kintex7<span class="_ _0"> </span></span></span>开发板作为<span class="_ _1"> </span><span class="ff1">FPGA<span class="_ _0"> </span></span>实现的平台<span class="ff4">。<span class="ff1">OV5647<span class="_ _0"> </span></span></span>图</div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">像传感器具备<span class="_ _1"> </span><span class="ff1">720P<span class="_ _0"> </span></span>分辨率和<span class="_ _1"> </span><span class="ff1">2line mipi<span class="_ _0"> </span></span>接口的特点<span class="ff3">，</span>适合用于本文的实验<span class="ff4">。<span class="ff1">Kintex7<span class="_ _0"> </span></span></span>开发板具</div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">备较高的时钟频率和丰富的逻辑资源<span class="ff3">，</span>是一个理想的<span class="_ _1"> </span><span class="ff1">FPGA<span class="_ _0"> </span></span>开发平台<span class="ff4">。</span></div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">3.<span class="_ _2"> </span>MIPI<span class="_ _0"> </span><span class="ff2">视频解码过程</span></div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">3.1.<span class="_"> </span>CSI-2<span class="_ _0"> </span><span class="ff2">解码</span></div><div class="t m0 x1 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0">CSI-2<span class="_ _0"> </span><span class="ff2">是<span class="_ _1"> </span></span>MIPI<span class="_ _0"> </span><span class="ff2">接口中常用的图像传输协议<span class="ff3">，</span>它使用高速差分信号进行数据传输<span class="ff4">。</span>在<span class="_ _1"> </span></span>FPGA<span class="_ _0"> </span><span class="ff2">中<span class="ff3">，</span>可以</span></div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">使用<span class="_ _1"> </span><span class="ff1">SerDes<span class="ff3">（</span>Serializer/Deserializer<span class="ff3">）</span></span>模块将<span class="_ _1"> </span><span class="ff1">CSI-2<span class="_ _0"> </span></span>信号转换为并行数据<span class="ff4">。</span>然后<span class="ff3">，</span>通过解</div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">析<span class="_ _1"> </span><span class="ff1">CSI-2<span class="_ _0"> </span></span>协议<span class="ff3">，</span>将数据提取出来并进行进一步的处理<span class="ff4">。</span></div><div class="t m0 x1 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0">3.2.<span class="_"> </span>Bayer<span class="_ _0"> </span><span class="ff2">转<span class="_ _1"> </span></span>RGB</div><div class="t m0 x1 h2 y15 ff2 fs0 fc0 sc0 ls0 ws0">在<span class="_ _1"> </span><span class="ff1">CSI-2<span class="_ _0"> </span></span>解码后<span class="ff3">，</span>得到的是<span class="_ _1"> </span><span class="ff1">Bayer<span class="_ _0"> </span></span>格式的图像数据<span class="ff3">，</span>需要进行<span class="_ _1"> </span><span class="ff1">Bayer<span class="_ _0"> </span></span>转<span class="_ _1"> </span><span class="ff1">RGB<span class="_ _0"> </span></span>的处理<span class="ff4">。<span class="ff1">Bayer<span class="_ _0"> </span></span></span>格式</div><div class="t m0 x1 h2 y16 ff2 fs0 fc0 sc0 ls0 ws0">是一种单通道的图像格式<span class="ff3">，</span>其中每个像素点只包含红<span class="ff4">、</span>绿<span class="ff4">、</span>蓝三个颜色通道中的一个<span class="ff4">。</span>通过对<span class="_ _1"> </span><span class="ff1">Bayer</span></div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">格式的图像数据进行差值运算<span class="ff3">，</span>可以得到<span class="_ _1"> </span><span class="ff1">RGB<span class="_ _0"> </span></span>格式的图像数据<span class="ff4">。</span></div><div class="t m0 x1 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0">3.3.<span class="_"> </span>DDR3<span class="_ _0"> </span><span class="ff2">三帧缓存</span></div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">为了确保图像的连续性和流畅性<span class="ff3">，</span>需要使用<span class="_ _1"> </span><span class="ff1">DDR3<span class="_ _0"> </span></span>作为图像数据的缓存<span class="ff4">。</span>通过将图像数据存储在</div><div class="t m0 x1 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0">DDR3<span class="_ _0"> </span><span class="ff2">中<span class="ff3">，</span>可以实现对图像数据的三帧缓存<span class="ff3">，</span>保证图像数据的流畅传输<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0">4.<span class="_ _2"> </span><span class="ff2">输出<span class="_ _1"> </span></span>HDMI</div><div class="t m0 x1 h2 y1c ff2 fs0 fc0 sc0 ls0 ws0">经过<span class="_ _1"> </span><span class="ff1">CSI-2<span class="_ _0"> </span></span>解码<span class="ff4">、<span class="ff1">Bayer<span class="_ _0"> </span></span></span>转<span class="_ _1"> </span><span class="ff1">RGB<span class="_ _0"> </span></span>和<span class="_ _1"> </span><span class="ff1">DDR3<span class="_ _0"> </span></span>三帧缓存后<span class="ff3">，</span>图像数据可以进行进一步的处理和输出<span class="ff4">。</span>在</div><div class="t m0 x1 h2 y1d ff2 fs0 fc0 sc0 ls0 ws0">本实验中<span class="ff3">，</span>我们选择将图像数据输出到<span class="_ _1"> </span><span class="ff1">HDMI<span class="_ _0"> </span></span>接口<span class="ff3">，</span>实现<span class="_ _1"> </span><span class="ff1">720P<span class="_ _0"> </span></span>分辨率的视频输出<span class="ff4">。</span></div><div class="t m0 x1 h2 y1e ff1 fs0 fc0 sc0 ls0 ws0">5.<span class="_ _2"> </span><span class="ff2">结论</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>
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