MatSAM: Efficient Extraction of Microstructures of Materials via Visual Large Model
CoRR(2024)
摘要
Efficient and accurate extraction of microstructures in micrographs of
materials is essential in process optimization and the exploration of
structure-property relationships. Deep learning-based image segmentation
techniques that rely on manual annotation are laborious and time-consuming and
hardly meet the demand for model transferability and generalization on various
source images. Segment Anything Model (SAM), a large visual model with powerful
deep feature representation and zero-shot generalization capabilities, has
provided new solutions for image segmentation. In this paper, we propose
MatSAM, a general and efficient microstructure extraction solution based on
SAM. A simple yet effective point-based prompt generation strategy is designed,
grounded on the distribution and shape of microstructures. Specifically, in an
unsupervised and training-free way, it adaptively generates prompt points for
different microscopy images, fuses the centroid points of the coarsely
extracted region of interest (ROI) and native grid points, and integrates
corresponding post-processing operations for quantitative characterization of
microstructures of materials. For common microstructures including grain
boundary and multiple phases, MatSAM achieves superior zero-shot segmentation
performance to conventional rule-based methods and is even preferable to
supervised learning methods evaluated on 16 microscopy datasets whose
micrographs are imaged by the optical microscope (OM) and scanning electron
microscope (SEM). Especially, on 4 public datasets, MatSAM shows unexpected
competitive segmentation performance against their specialist models. We
believe that, without the need for human labeling, MatSAM can significantly
reduce the cost of quantitative characterization and statistical analysis of
extensive microstructures of materials, and thus accelerate the design of new
materials.
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