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Count objects in image with point prompts from object localization and CLIP to identify with PseCo

Count objects in image with point prompts from object localization and CLIP to identify with PseCo


Point, Segment and Count: A Generalized Framework for Object Counting

arXiv paper abstract https://arxiv.org/abs/2311.12386



Class-agnostic object counting aims to count all objects in an image with respect to example boxes or class names, a.k.a few-shot and zero-shot counting. Current state-of-the-art methods highly rely on density maps to predict object counts, which lacks model interpretability.


... propose a generalized framework for both few-shot and zero-shot object counting based on detection.


... framework combines the superior advantages of two foundation models without compromising their zero-shot capability: (i) SAM to segment all possible objects as mask proposals, and (ii) CLIP to classify proposals to obtain accurate object counts.


... framework, termed PseCo, follows three steps: point, segment, and count ... propose a class-agnostic object localization to provide but least point prompts for SAM, which ... reduces computation ... avoids missing small objects.


... propose ... object classification that leverages CLIP image/text embeddings as the classifier, following a hierarchical knowledge distillation to obtain discriminative classifications among ... mask proposals.


... demonstrate that PseCo achieves state-of-the-art performance in both few-shot/zero-shot object counting/detection ...



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