From a47874a7e8ee2f0b22b59132e8e807468233dff0 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Mon, 13 Jul 2015 23:25:08 -0700
Subject: [PATCH] nochange option in crop

---
 Makefile                  | 4 ++--
 src/crop_layer.c          | 4 ++++
 src/crop_layer_kernels.cu | 4 ++++
 src/layer.h               | 1 +
 src/parser.c              | 3 +++
 5 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 32ff4c0a..1b422777 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-GPU=0
-OPENCV=0
+GPU=1
+OPENCV=1
 DEBUG=0
 
 ARCH= -arch=sm_52
diff --git a/src/crop_layer.c b/src/crop_layer.c
index 13190219..d9950d6c 100644
--- a/src/crop_layer.c
+++ b/src/crop_layer.c
@@ -48,6 +48,10 @@ void forward_crop_layer(const crop_layer l, network_state state)
     int dw = rand()%(l.w - l.crop_width + 1);
     float scale = 2;
     float trans = -1;
+    if(l.noadjust){
+        scale = 1;
+        trans = 0;
+    }
     if(!state.train){
         flip = 0;
         dh = (l.h - l.crop_height)/2;
diff --git a/src/crop_layer_kernels.cu b/src/crop_layer_kernels.cu
index d60cc0a7..9df915cc 100644
--- a/src/crop_layer_kernels.cu
+++ b/src/crop_layer_kernels.cu
@@ -181,6 +181,10 @@ extern "C" void forward_crop_layer_gpu(crop_layer layer, network_state state)
 
     float scale = 2;
     float translate = -1;
+    if(layer.noadjust){
+        scale = 1;
+        translate = 0;
+    }
 
     int size = layer.batch * layer.w * layer.h;
 
diff --git a/src/layer.h b/src/layer.h
index c3191837..29abec05 100644
--- a/src/layer.h
+++ b/src/layer.h
@@ -49,6 +49,7 @@ typedef struct {
     int objectness;
     int does_cost;
     int joint;
+    int noadjust;
 
     float alpha;
     float beta;
diff --git a/src/parser.c b/src/parser.c
index 893111e3..96707152 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -196,7 +196,10 @@ crop_layer parse_crop(list *options, size_params params)
     batch=params.batch;
     if(!(h && w && c)) error("Layer before crop layer must output image.");
 
+    int noadjust = option_find_int_quiet(options, "noadjust",0);
+
     crop_layer l = make_crop_layer(batch,h,w,c,crop_height,crop_width,flip, angle, saturation, exposure);
+    l.noadjust = noadjust;
     return l;
 }