From 84d6533cb8112f23a34d3de76435a10f4620f4b8 Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Mon, 23 Oct 2017 13:43:03 +0000
Subject: [PATCH] Fixed OpenCV usage in the yolo_console_dll.cpp
---
src/activations.h | 80 ++++++++++++++++++++++++++++++++++++++-
1 files changed, 77 insertions(+), 3 deletions(-)
diff --git a/src/activations.h b/src/activations.h
index 15d96d3..1c36ff5 100644
--- a/src/activations.h
+++ b/src/activations.h
@@ -1,14 +1,88 @@
#ifndef ACTIVATIONS_H
#define ACTIVATIONS_H
+#include "cuda.h"
+#include "math.h"
typedef enum{
- SIGMOID, RELU, IDENTITY, RAMP
+ LOGISTIC, RELU, RELIE, LINEAR, RAMP, TANH, PLSE, LEAKY, ELU, LOGGY, STAIR, HARDTAN, LHTAN
}ACTIVATION;
ACTIVATION get_activation(char *s);
-double activate(double x, ACTIVATION a);
-double gradient(double x, ACTIVATION a);
+char *get_activation_string(ACTIVATION a);
+float activate(float x, ACTIVATION a);
+float gradient(float x, ACTIVATION a);
+void gradient_array(const float *x, const int n, const ACTIVATION a, float *delta);
+void activate_array(float *x, const int n, const ACTIVATION a);
+#ifdef GPU
+void activate_array_ongpu(float *x, int n, ACTIVATION a);
+void gradient_array_ongpu(float *x, int n, ACTIVATION a, float *delta);
+#endif
+
+static inline float stair_activate(float x)
+{
+ int n = floor(x);
+ if (n%2 == 0) return floor(x/2.);
+ else return (x - n) + floor(x/2.);
+}
+static inline float hardtan_activate(float x)
+{
+ if (x < -1) return -1;
+ if (x > 1) return 1;
+ return x;
+}
+static inline float linear_activate(float x){return x;}
+static inline float logistic_activate(float x){return 1./(1. + exp(-x));}
+static inline float loggy_activate(float x){return 2./(1. + exp(-x)) - 1;}
+static inline float relu_activate(float x){return x*(x>0);}
+static inline float elu_activate(float x){return (x >= 0)*x + (x < 0)*(exp(x)-1);}
+static inline float relie_activate(float x){return (x>0) ? x : .01*x;}
+static inline float ramp_activate(float x){return x*(x>0)+.1*x;}
+static inline float leaky_activate(float x){return (x>0) ? x : .1*x;}
+static inline float tanh_activate(float x){return (exp(2*x)-1)/(exp(2*x)+1);}
+static inline float plse_activate(float x)
+{
+ if(x < -4) return .01 * (x + 4);
+ if(x > 4) return .01 * (x - 4) + 1;
+ return .125*x + .5;
+}
+
+static inline float lhtan_activate(float x)
+{
+ if(x < 0) return .001*x;
+ if(x > 1) return .001*(x-1) + 1;
+ return x;
+}
+static inline float lhtan_gradient(float x)
+{
+ if(x > 0 && x < 1) return 1;
+ return .001;
+}
+
+static inline float hardtan_gradient(float x)
+{
+ if (x > -1 && x < 1) return 1;
+ return 0;
+}
+static inline float linear_gradient(float x){return 1;}
+static inline float logistic_gradient(float x){return (1-x)*x;}
+static inline float loggy_gradient(float x)
+{
+ float y = (x+1.)/2.;
+ return 2*(1-y)*y;
+}
+static inline float stair_gradient(float x)
+{
+ if (floor(x) == x) return 0;
+ return 1;
+}
+static inline float relu_gradient(float x){return (x>0);}
+static inline float elu_gradient(float x){return (x >= 0) + (x < 0)*(x + 1);}
+static inline float relie_gradient(float x){return (x>0) ? 1 : .01;}
+static inline float ramp_gradient(float x){return (x>0)+.1;}
+static inline float leaky_gradient(float x){return (x>0) ? 1 : .1;}
+static inline float tanh_gradient(float x){return 1-x*x;}
+static inline float plse_gradient(float x){return (x < 0 || x > 1) ? .01 : .125;}
#endif
--
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