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diff --git a/tensorflow/examples/android/proto/box_coder.proto b/tensorflow/examples/android/proto/box_coder.proto
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+++ b/tensorflow/examples/android/proto/box_coder.proto
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+syntax = "proto2";
+
+package org_tensorflow_demo;
+
+// Prior for a single feature (like minimum x coordinate, width, area, etc.)
+message BoxCoderPrior {
+  optional float mean = 1 [default = 0.0];
+  optional float stddev = 2 [default = 1.0];
+};
+
+// Box encoding/decoding configuration for a single box.
+message BoxCoderOptions {
+  // Number of priors must match the number of values used to encoded
+  // values which is derived from the use_... flags below.
+  repeated BoxCoderPrior priors = 1;
+
+  // Minimum/maximum X/Y of the four corners are used as features.
+  // Order: MinX, MinY, MaxX, MaxY.
+  // Number of values: 4.
+  optional bool use_corners = 2 [default = true];
+
+  // Width and height of the box in this order.
+  // Number of values: 2.
+  optional bool use_width_height = 3 [default = false];
+
+  // Coordinates of the center of the box.
+  // Order: X, Y.
+  // Number of values: 2.
+  optional bool use_center = 4 [default = false];
+
+  // Area of the box.
+  // Number of values: 1.
+  optional bool use_area = 5 [default = false];
+};
+
+// Options for MultiBoxCoder which is a encoder/decoder for a fixed number of
+// boxes.
+// A list of BoxCoderOptions that allows for storing multiple box coder options
+// in a single file.
+message MultiBoxCoderOptions {
+  repeated BoxCoderOptions box_coder = 1;
+};