GeoBrain/deblending-common-receiver-avo

T03 AVO Deblending Common-Receiver Dataset

Paired common-receiver SEG-Y volumes for supervised AVO seismic deblending.

Task

Direct paired regression:

denoised = model(input)

• input: pseudo-deblended common-receiver data
• target: clean common-receiver reference

Preview Images

Clean Reference

Pseudo-Deblended Input

Geometry Used By The Benchmark

• 120 common-receiver gathers
• 1001 traces per gather
• 1500 time samples per trace
• sample interval: 4 ms

File Structure

Kind	Path	Dataset Tag	Size
input	input/T03_pseudo_deblended_seismic_common_receiver_mod.sgy	T03_avo_mod	714.8 MB
target	target/T03_seismic_common_receiver.sgy	T03_avo_mod	714.8 MB

Benchmark Split

Sequential gather split:

Split	Gathers
Train	96
Val	12
Test	12

Loading Example

import numpy as np
import segyio


def read_common_receiver_volume(path, traces_per_gather=1001):
    with segyio.open(path, "r", ignore_geometry=True) as src:
        data = segyio.tools.collect(src.trace[:]).astype(np.float32, copy=False)
        n_gathers = src.tracecount // traces_per_gather
        return data.reshape(n_gathers, traces_per_gather, src.samples.size)


input_volume = read_common_receiver_volume("input/T03_pseudo_deblended_seismic_common_receiver_mod.sgy")
target_volume = read_common_receiver_volume("target/T03_seismic_common_receiver.sgy")

Repository: GeoBrain/deblending-common-receiver-avo