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enhanced imcomplement #19

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Merged
barrettMCW merged 1 commit into from
Nov 21, 2024
Merged

enhanced imcomplement #19

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20 changes: 18 additions & 2 deletions src/lavlab/imsuite.py
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Original file line number Diff line number Diff line change
Expand Up @@ -668,7 +668,7 @@ def imhist(img_arr: np.ndarray, bins=256) -> None:

def imcomplement(img_arr: np.ndarray) -> np.ndarray:
"""Generates the image's complement (inverts the image).

Parameters
----------
img_arr : np.ndarray
Expand All @@ -679,7 +679,23 @@ def imcomplement(img_arr: np.ndarray) -> np.ndarray:
np.ndarray
Inverted image.
"""
return ~img_arr
# Handle uint8 directly
if img_arr.dtype == np.uint8:
return ~img_arr

min_val = np.min(img_arr)
max_val = np.max(img_arr)

# Handle range [0, 1]
if max_val <= 1 and min_val >= 0:
return 1 - img_arr

# Handle range [-1, 1]
if max_val <= 1 and min_val >= -1:
return -img_arr

# Generalized case
return min_val + max_val - img_arr


def edge(img_arr: np.ndarray, method: str = "SOBEL", **kwargs) -> np.ndarray:
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