From 6940dd720ebb6b3d1df8ca203ab696daefe58189 Mon Sep 17 00:00:00 2001 From: Jim Flynn Date: Fri, 20 Mar 2020 12:25:56 +0000 Subject: renamed Documentation folder 20.02 and added .nojekyll file Signed-off-by: Jim Flynn --- 20.02/_inference_test_image_8hpp_source.xhtml | 143 ++++++++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 20.02/_inference_test_image_8hpp_source.xhtml (limited to '20.02/_inference_test_image_8hpp_source.xhtml') diff --git a/20.02/_inference_test_image_8hpp_source.xhtml b/20.02/_inference_test_image_8hpp_source.xhtml new file mode 100644 index 0000000000..3580eb941e --- /dev/null +++ b/20.02/_inference_test_image_8hpp_source.xhtml @@ -0,0 +1,143 @@ + + + + + + + + + + + + + +ArmNN: tests/InferenceTestImage.hpp Source File + + + + + + + + + + + + + + + + +
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InferenceTestImage.hpp
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+Go to the documentation of this file.
1 //
2 // Copyright © 2017 Arm Ltd. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 #pragma once
6 
7 #include <armnn/Exceptions.hpp>
8 #include <VerificationHelpers.hpp>
9 
10 #include <array>
11 #include <cstdint>
12 #include <vector>
13 #include <utility>
14 
15 class InferenceTestImageException : public armnn::Exception
16 {
17 public:
18  using Exception::Exception;
19 };
20 
21 class InferenceTestImageLoadFailed : public InferenceTestImageException
22 {
23 public:
24  using InferenceTestImageException::InferenceTestImageException;
25 };
26 
27 class InferenceTestImageOutOfBoundsAccess : public InferenceTestImageException
28 {
29 public:
30  using InferenceTestImageException::InferenceTestImageException;
31 };
32 
33 class InferenceTestImageResizeFailed : public InferenceTestImageException
34 {
35 public:
36  using InferenceTestImageException::InferenceTestImageException;
37 };
38 
39 class InferenceTestImageWriteFailed : public InferenceTestImageException
40 {
41 public:
42  using InferenceTestImageException::InferenceTestImageException;
43 };
44 
45 class UnknownImageChannelLayout : public InferenceTestImageException
46 {
47 public:
48  using InferenceTestImageException::InferenceTestImageException;
49 };
50 
51 class InferenceTestImage
52 {
53 public:
54  enum class WriteFormat
55  {
56  Png,
57  Bmp,
58  Tga
59  };
60 
61  // Common names used to identify a channel in a pixel.
62  enum class ResizingMethods
63  {
64  STB,
65  BilinearAndNormalized,
66  };
67 
68  explicit InferenceTestImage(const char* filePath);
69 
70  InferenceTestImage(InferenceTestImage&&) = delete;
71  InferenceTestImage(const InferenceTestImage&) = delete;
72  InferenceTestImage& operator=(const InferenceTestImage&) = delete;
73  InferenceTestImage& operator=(InferenceTestImage&&) = delete;
74 
75  unsigned int GetWidth() const { return m_Width; }
76  unsigned int GetHeight() const { return m_Height; }
77  unsigned int GetNumChannels() const { return m_NumChannels; }
78  unsigned int GetNumElements() const { return GetWidth() * GetHeight() * GetNumChannels(); }
79  unsigned int GetSizeInBytes() const { return GetNumElements() * GetSingleElementSizeInBytes(); }
80 
81  // Returns the pixel identified by the given coordinates as a 3-channel value.
82  // Channels beyond the third are dropped. If the image provides less than 3 channels, the non-existent
83  // channels of the pixel will be filled with 0. Channels are returned in RGB order (that is, the first element
84  // of the tuple corresponds to the Red channel, whereas the last element is the Blue channel).
85  std::tuple<uint8_t, uint8_t, uint8_t> GetPixelAs3Channels(unsigned int x, unsigned int y) const;
86 
87  void StbResize(InferenceTestImage& im, const unsigned int newWidth, const unsigned int newHeight);
88 
89 
90  std::vector<float> Resize(unsigned int newWidth,
91  unsigned int newHeight,
92  const armnn::CheckLocation& location,
93  const ResizingMethods meth = ResizingMethods::STB,
94  const std::array<float, 3>& mean = {{0.0, 0.0, 0.0}},
95  const std::array<float, 3>& stddev = {{1.0, 1.0, 1.0}},
96  const float scale = 255.0f);
97 
98  void Write(WriteFormat format, const char* filePath) const;
99 
100 private:
101  static unsigned int GetSingleElementSizeInBytes()
102  {
103  return sizeof(decltype(std::declval<InferenceTestImage>().m_Data[0]));
104  }
105 
106  std::vector<uint8_t> m_Data;
107  unsigned int m_Width;
108  unsigned int m_Height;
109  unsigned int m_NumChannels;
110 };
111 
112 // Common names used to identify a channel in a pixel.
113 enum class ImageChannel
114 {
115  R,
116  G,
117  B
118 };
119 
120 // Channel layouts handled by the test framework.
121 enum class ImageChannelLayout
122 {
123  Rgb,
124  Bgr
125 };
126 
127 // Reads the contents of an inference test image as 3-channel pixels whose channel values have been normalized (scaled)
128 // and now lie in the range [0,1]. Channel data is stored according to the ArmNN layout (CHW). The order in which
129 // channels appear in the resulting vector is defined by the provided layout.
130 std::vector<float> GetImageDataInArmNnLayoutAsNormalizedFloats(ImageChannelLayout layout,
131  const InferenceTestImage& image);
132 
133 // Reads the contents of an inference test image as 3-channel pixels, whose value is the result of subtracting the mean
134 // from the values in the original image. Channel data is stored according to the ArmNN layout (CHW). The order in
135 // which channels appear in the resulting vector is defined by the provided layout. The order of the channels of the
136 // provided mean should also match the given layout.
137 std::vector<float> GetImageDataInArmNnLayoutAsFloatsSubtractingMean(ImageChannelLayout layout,
138  const InferenceTestImage& image,
139  const std::array<float, 3>& mean);
140 
141 // Reads the contents of an inference test image as 3-channel pixels and returns the image data as normalized float
142 // values. The returned image stay in the original order (HWC) order. The C order may be changed according to the
143 // supplied layout value.
144 std::vector<float> GetImageDataAsNormalizedFloats(ImageChannelLayout layout,
145  const InferenceTestImage& image);
+ +
InferenceTestImage::GetNumElements
unsigned int GetNumElements() const
Definition: InferenceTestImage.hpp:78
+
ImageChannel::G
+
InferenceTestImage::GetNumChannels
unsigned int GetNumChannels() const
Definition: InferenceTestImage.hpp:77
+
ImageChannel::B
+
GetImageDataInArmNnLayoutAsNormalizedFloats
std::vector< float > GetImageDataInArmNnLayoutAsNormalizedFloats(ImageChannelLayout layout, const InferenceTestImage &image)
Definition: InferenceTestImage.cpp:311
+ +
ImageChannel::R
+
ImageChannel
ImageChannel
Definition: InferenceTestImage.hpp:113
+ +
GetImageDataInArmNnLayoutAsFloatsSubtractingMean
std::vector< float > GetImageDataInArmNnLayoutAsFloatsSubtractingMean(ImageChannelLayout layout, const InferenceTestImage &image, const std::array< float, 3 > &mean)
Definition: InferenceTestImage.cpp:322
+ +
VerificationHelpers.hpp
+
InferenceTestImage::GetWidth
unsigned int GetWidth() const
Definition: InferenceTestImage.hpp:75
+ +
armnn::Resize
void Resize(Decoder< float > &in, const TensorInfo &inputInfo, Encoder< float > &out, const TensorInfo &outputInfo, DataLayoutIndexed dataLayout, armnn::ResizeMethod resizeMethod, bool alignCorners)
Definition: Resize.cpp:35
+ +
GetImageDataAsNormalizedFloats
std::vector< float > GetImageDataAsNormalizedFloats(ImageChannelLayout layout, const InferenceTestImage &image)
Definition: InferenceTestImage.cpp:334
+ + + +
InferenceTestImage::GetSizeInBytes
unsigned int GetSizeInBytes() const
Definition: InferenceTestImage.hpp:79
+
armnn::Exception
Base class for all ArmNN exceptions so that users can filter to just those.
Definition: Exceptions.hpp:46
+
InferenceTestImage::GetHeight
unsigned int GetHeight() const
Definition: InferenceTestImage.hpp:76
+
Exceptions.hpp
+
ImageChannelLayout
ImageChannelLayout
Definition: InferenceTestImage.hpp:121
+
ImageChannelLayout::Rgb
+
armnnUtils::Sockets::Write
long Write(Socket s, const void *buf, size_t len)
Definition: NetworkSockets.cpp:50
+
ImageChannelLayout::Bgr
+
+
+ + + + -- cgit v1.2.1