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Image Interpretation By A Single Bottom-up Top-down Cycle

机译:通过一个自下而上的自上而下的循环进行图像解释

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摘要

The human visual system recognizes objects and their constituent parts rapidly and with high accuracy. Standard models of recognition by the visual cortex use feed-forward processing, in which an object's parts are detected before the complete object. However, parts are often ambiguous on their own and require the prior detection and localization of the entire object. We show how a cortical-like hierarchy obtains recognition and localization of objects and parts at multiple levels nearly simultaneously by a single feed-forward sweep from low to high levels of the hierarchy, followed by a feedback sweep from high- to low-level areas.
机译:人体视觉系统可以快速,高精度地识别物体及其组成部分。视觉皮层识别的标准模型使用前馈处理,其中在完整对象之前检测到对象的各个部分。但是,零件通常往往是模棱两可的,需要事先对整个对象进行检测和定位。我们展示了一个类似皮质的层次结构如何通过从层次结构的低层到高层的一次前馈扫描,同时从高层区域到低层区域的反馈扫描,几乎同时在多个层次上获得对象和零件的识别和定位。

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