From 14bcf676b62619f4d33c9ce71963fca22759f491 Mon Sep 17 00:00:00 2001
From: zhangxiaoli73 <380761639@qq.com>
Date: Mon, 18 Nov 2019 22:02:38 +0800
Subject: [PATCH] remove masks requirements (#2959)

---
 .../feature/transform/vision/image/label/roi/RoiLabel.scala     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scala/dllib/src/main/scala/com/intel/analytics/bigdl/dllib/feature/transform/vision/image/label/roi/RoiLabel.scala b/scala/dllib/src/main/scala/com/intel/analytics/bigdl/dllib/feature/transform/vision/image/label/roi/RoiLabel.scala
index cb038780450..ae57a49b0a1 100644
--- a/scala/dllib/src/main/scala/com/intel/analytics/bigdl/dllib/feature/transform/vision/image/label/roi/RoiLabel.scala
+++ b/scala/dllib/src/main/scala/com/intel/analytics/bigdl/dllib/feature/transform/vision/image/label/roi/RoiLabel.scala
@@ -57,7 +57,7 @@ case class RoiLabel(classes: Tensor[Float], bboxes: Tensor[Float],
   def toTable: Table = {
     val table = T()
     if (masks != null) {
-      require(masks.length > 0, "The masks can either be null or a non-empty array")
+      // masks may be empty array
       table(RoiImageInfo.MASKS) = masks.map(_.toRLE)
     }
     table(RoiImageInfo.CLASSES) = classes