Detecting geological features in seismic data using segment anything model 2 across multiple datasets

Обнаружение геологических объектов в сейсмических данных с помощью Segment Anything Model 2 на нескольких наборах данных
Gustavo Torres Custódio, Thiago Yuji Aoyagi, Hugo F. Saar, Cristina Maria Ferreira da Silva, Ney Ferreira de Souza Guerra, Aline Fernandes Heleno, Carlos Tadeu de Carvalho Gamba, Celso Luciano Alves da Silva, Denis Bruno Viríssimo, Elisa Morandé Sales, Felipe Silva Silles, Leonides Guireli Netto, Otávio Coaracy Brasil Gandolfo, Rafael Andrello Rubo
2026-02-10

Parihaka, F3 Netherlands, Penobscot datasetsSAM 2Segment Anything Model (SAM)geobody and seismic layer segmentationseismic facies segmentation
There is a growing interest in applying computer vision models to seismic interpretation, as manually segmenting seismic facies is often a time-consuming task. Foundation models like Segment Anything (SAM) have shown their effectiveness in segmentation tasks. This work explores SAM and SAM 2 models for segmenting geobodies and seismic layers across three different datasets: Parihaka, F3 Netherlands and Penobscot. We conducted experiments using Meta’s pre-trained SAM and SAM 2 models and fine-tuned them on seismic data. Fine-tuning considerably improved pre-trained models on segmenting geological features, with SAM 2 showing slightly better results than SAM. This highlights how it is possible to adapt visual Foundation Models to address seismic data analysis
1
Adaptation of visual foundation models (SAM/SAM 2) to seismic interpretation is feasible across three datasets: Parihaka, F3 Netherlands, and Penobscot.
2
Fine-tuning Meta’s pre-trained SAM and SAM 2 on seismic data considerably improves segmentation of geological features compared to their pre-trained performance.
3
SAM 2 achieves slightly better segmentation results on geobodies and seismic layers than the original SAM after fine-tuning.
4
The study demonstrates that foundation models can reduce manual effort in seismic facies segmentation by effectively segmenting geobodies and seismic layers.

Geological features (geobodies and seismic layers) in seismic datasets (Parihaka, F3 Netherlands, Penobscot)

Detection/segmentation performance of Segment Anything Model (SAM) and SAM 2, including effects of fine-tuning, for segmenting geological features across multiple seismic datasets

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2026-02-10
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Gustavo Torres Custódio
Thiago Yuji Aoyagi
Hugo F. Saar
Cristina Maria Ferreira da Silva
Ney Ferreira de Souza Guerra
Aline Fernandes Heleno
Carlos Tadeu de Carvalho Gamba
Celso Luciano Alves da Silva
Denis Bruno Viríssimo
Elisa Morandé Sales
Felipe Silva Silles
Leonides Guireli Netto
Otávio Coaracy Brasil Gandolfo
Rafael Andrello Rubo
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