Merge branch 'main' into develop

Author: psomhorst

CITATION.cff

@@ -39,7 +39,7 @@ authors:
 
 date-released: 2023-03-23
 doi: 10.5281/zenodo.7869553
-version: "1.8.6"
+version: "1.8.7"
 repository-code: "https://github.com/EIT-ALIVE/eitprocessing"
 keywords:
   - Mechanical lung ventilation

eitprocessing/__init__.py

@@ -1 +1 @@
-__version__ = "1.8.6"
+__version__ = "1.8.7"

eitprocessing/features/pixel_breath.py

@@ -225,6 +225,18 @@ def find_pixel_breaths(  # noqa: C901, PLR0912, PLR0915
                     # find the closest peak to zero lag
                     peak_lags = lags[lag_range][peaks]
                     peak_distances = np.abs(peak_lags)
+                    if len(peak_distances) == 0:
+                        # no peaks found, skip pixel
+                        warnings.warn(
+                            (
+                                f"Skipping pixel ({row}, {col}) because no cross correlation peak found. "
+                                "This may be due to unstable (pixel) impedance. "
+                                "This algorithm does not handle unstable impedance data well."
+                            ),
+                            RuntimeWarning,
+                            stacklevel=2,
+                        )
+                        continue
                     min_peak_distance = np.min(peak_distances)
                     candidates = peak_lags[peak_distances == min_peak_distance]
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "eitprocessing"
-version = "1.8.6"
+version = "1.8.7"
 description = "Processing of lung image data from electrical impedance tomography."
 readme = "README.md"
 requires-python = ">=3.10"
@@ -173,7 +173,7 @@ isort.known-first-party = ["eitprocessing"]
 "docs/*" = ["ALL"]
 
 [tool.bumpversion]
-current_version = "1.8.6"
+current_version = "1.8.7"
 
 [[tool.bumpversion.files]]
 filename = "pyproject.toml"