手机摄像头像素大战正式开启 三星推出6400万像素传感器

早有传言今年手机市场将会出现高像素传感器,高通的高级主管曾在接受采访的时候暗示过就在2019年底就会出现高达1亿像素的手机传感器。当然,手机传感器像素提升也不是一蹴而就,从我们熟悉的4800万像素传感器升级到一亿像素也需要有一个过渡,那就是6400万像素。

5月9日,三星电子正式推出了目前智能手机像素最高的传感器GW1,像素达到了6400万,单位像素为0.8 μm。传感器面积相比此前已经上市的GM1传感器增大了不少,它默认通过Tetracell技术,以4合一的方式输出1600万像素的照片。如果需要6400万像素的照片,则还是跟GM1一样,依然只能通过AI算法猜色,俗称AI 6400万像素。虽然是AI合成的6400万像素,但在底大了的情况下,在良好的光线下确实能够获得拍照的提升。当然,很快我们也会看到真6400万像素的传感器面世,至于会是哪家厂商,大家应该都能猜到。

对于三星GW1传感器的新特性,三星也有说明。GW1可以支持信噪比100dB的高动态范围拍摄,这个信噪比什么概念呢,人眼的动态范围也不过120 dB左右,以前的传统图像传感器大概只有60dB。这让GW1传感器在大光比的环境下会比一般传感器有更大程度的细节保留。GW1支持Super PD技术,基于双像素的相位对焦,可以带来更快的自动对焦速度,另外新传感器还可支持以最高480fps的帧率,拍摄1080p超级慢动作视频。

三星同时还发布了新的4800万像素GM2传感器,支持DCG技术,同时也加入了Super PD双核相位对焦技术。

可能会有人问了,不是之前处理器平台都有一个最大支持像素么?确实,早前的高通骁龙的处理器平台,大部分的SoC最高只支持到4800万像素。但就在3月,高通更新了多款处理器的参数,旗舰级骁龙800系列和次旗舰骁龙700系列都更新到了最高支持单摄19200万像素。单摄情况下,如果开启多帧合成,也能支持到4800万像素。甚至再开启零延迟快门也能支持到3200万像素。所以处理器不支持这个问题是不用担心了,年底一亿像素出来也没有问题。

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目前,三星的两款高像素新传感器已经开始出样,预计将在下半年量产。届时必将又是一场像素大战,预计会有多家厂商争相发布高像素手机。至于传闻中的1亿像素,或许也快了。

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