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The HMAX model developed by Serre et al. imitates the process of visual recognition in primates’ visual cortex. However, it has some limits in modeling the V2 neurons or higher level of visual cortex. We extend the model in some biologically plausible ways and construct a five-layer computational model, denoted as Sparse-HMAX model. First we use Gabor filters to describe the response properties of...
This paper investigates the correlation between mutual funds׳ scale and return in China by text mining on the sheer volume of online financial reports. We crawl the webpages of all Chinese open-end mutual funds from a well-known financial website, which are then parsed to obtain time-series data of fund scales and returns. We argue that with long-tail distribution of fund scales, to examine the correlation...
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