From 1f17e40c07910ced44ce0c45391d398585ded8ad Mon Sep 17 00:00:00 2001
From: tc-wleite <wladimir.leite@gmail.com>
Date: Sat, 19 Oct 2024 17:36:07 -0300
Subject: [PATCH] '#2346: Do not calculate image similarity features, if
 already present.

---
 .../iped/engine/task/similarity/ImageSimilarityTask.java     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/iped-engine/src/main/java/iped/engine/task/similarity/ImageSimilarityTask.java b/iped-engine/src/main/java/iped/engine/task/similarity/ImageSimilarityTask.java
index 42a610700a..6edb7f700f 100644
--- a/iped-engine/src/main/java/iped/engine/task/similarity/ImageSimilarityTask.java
+++ b/iped-engine/src/main/java/iped/engine/task/similarity/ImageSimilarityTask.java
@@ -95,6 +95,11 @@ protected void process(IItem evidence) throws Exception {
             return;
         }
 
+        Object prev = evidence.getExtraAttribute(IMAGE_FEATURES);
+        if (prev != null && prev instanceof byte[]) {
+            return;
+        }
+
         try {
             byte[] thumb = evidence.getThumb();
             if (thumb == null) {