LeCun:视觉吸收带宽远超文本,视神经2MB/s已压缩100:1
1. You realize that my point is about the bandwidth with which humans can absorb the modalities of vision and text. 4 years for vision vs 400,000 years for writ
Yann LeCun 指出,人类吸收视觉与文本模态的带宽差异巨大:吸收相同字节量,视觉需 4 年,书面文本需 40 万年。他强调视神经传输的 2MB/s 已是从视网膜感光细胞高度压缩后的结果——每只眼约 6000 万至 1 亿个感光细胞压缩到 100 万条视神经纤维,压缩比至少 100:1。
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1. You realize that my point is about the bandwidth with which humans can absorb the modalities of vision and text. 4 years for vision vs 400,000 years for written text to absorb the same number of bytes. 2. You must realize that the 2MB/s carried by the optic nerves is already highly compressed from the retinal photosensors. We have about 60-100 million photosensor per eye, that are squeezed down to 1 million optical nerve fibers (with 4 layers of neurons in front of our retina). That's 100:1 compression ratio, at the very least. 2MBP/s is less than your average Netflix movie (compressed). 3. Tell me you don't know about vertebrate vision without telling me you don't know about vertebrate vision. 4. Tell me you did not watch the talk and did not understand this slide without telling you did not watch the talk and did not understand this slide. 5. Tell me you don't know how to make a point without insulting people without telling me you don't know how to make a point without insulting people.