中国电信旗下两公司深度参与我国首批量子计算性能测试评估类国标制定
中国电信旗下两公司深度参与我国首批量子计算性能测试评估类国标制定大华股份获专利，利用相邻画面中的匹配点降低图像噪声
11月6日，大华股份（002236）的发明专利《图像降噪方法及电子设备》获授权，申请号为CN202410283471.1。
处理视频中的一帧时，方法先为待处理像素提取局部特征，再到相邻帧中寻找特征向量足够相似的像素，形成跨帧对应关系。系统使用这些匹配点所得的信息去除当前像素的噪声，进而生成整幅降噪后的图像。专利强调兼顾两项要求，匹配位置应足够准确，同时筛选候选点的计算量也要控制在可用范围。
截至此次授权消息披露时，大华股份今年获得的各类专利授权共757项，比上年同期减少29.25%。在2026年上半年，公司研发投入为19.99亿元，同比增长0.74%。企业知识产权记录中，浙江大华技术股份有限公司名下可查到11520条专利信息和1147条著作权信息。
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