From 5c2fda0de09da37f5856c288a2dca70d2f53bb07 Mon Sep 17 00:00:00 2001
From: Dan Costinas <danscostinas@gmail.com>
Date: Wed, 22 May 2024 16:09:32 +0300
Subject: [PATCH] Update documentation

---
 src/contrast.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/contrast.rs b/src/contrast.rs
index 9267e7fe..b052abda 100644
--- a/src/contrast.rs
+++ b/src/contrast.rs
@@ -13,9 +13,7 @@ use crate::stats::{cumulative_histogram, histogram};
 
 /// Applies an adaptive threshold to an image.
 ///
-/// This algorithm compares each pixel's brightness with the average brightness of the pixels
-/// in the (2 * `block_radius` + 1) square block centered on it. If the pixel is at least as bright
-/// as the threshold then it will have a value of 255 in the output image, otherwise 0.
+/// Equivalent to `adaptive_threshold_with_delta` with delta=0.
 pub fn adaptive_threshold(image: &GrayImage, block_radius: u32) -> GrayImage {
     adaptive_threshold_with_delta(image, block_radius, 0)
 }