From 01564d389f7b0e09bc132fa56cba679f1c4ab0f5 Mon Sep 17 00:00:00 2001
From: lidapeng <794757862@qq.com>
Date: Tue, 8 Sep 2020 15:45:03 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=88=86=E6=AE=B5=E5=9B=9E?=
 =?UTF-8?q?=E5=BD=92?=
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---
 src/main/java/org/wlld/imageRecognition/border/Knn.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/main/java/org/wlld/imageRecognition/border/Knn.java b/src/main/java/org/wlld/imageRecognition/border/Knn.java
index 68fa9a4..5afaaca 100644
--- a/src/main/java/org/wlld/imageRecognition/border/Knn.java
+++ b/src/main/java/org/wlld/imageRecognition/border/Knn.java
@@ -22,6 +22,13 @@ public class Knn {//KNN分类器
         featureMap.remove(type);
     }
 
+    public void revoke(int type, int nub) {//撤销一个类别最新的
+        List<Matrix> list = featureMap.get(type);
+        for (int i = 0; i < nub; i++) {
+            list.remove(list.size() - 1);
+        }
+    }
+
     public void insertMatrix(Matrix vector, int tag) throws Exception {
         if (vector.isVector() && vector.isRowVector()) {
             if (featureMap.size() == 0) {