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cudaWarp.h

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1 /*

2 * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.

3 *

4 * Permission is hereby granted, free of charge, to any person obtaining a

5 * copy of this software and associated documentation files (the "Software"),

6 * to deal in the Software without restriction, including without limitation

7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

8 * and/or sell copies of the Software, and to permit persons to whom the

9 * Software is furnished to do so, subject to the following conditions:

10 *

11 * The above copyright notice and this permission notice shall be included in

12 * all copies or substantial portions of the Software.

13 *

14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

20 * DEALINGS IN THE SOFTWARE.

21 */

22

23 #ifndef __CUDA_WARP_H__

24 #define __CUDA_WARP_H__

25

26

27 #include "cudaUtility.h"

28 #include "imageFormat.h"

29

30

37 cudaError_t cudaWarpAffine( uchar4* input, uchar4* output, uint32_t width, uint32_t height,

38const float transform[2][3], bool transform_inverted=false );

39

40

47 cudaError_t cudaWarpAffine( float4* input, float4* output, uint32_t width, uint32_t height,

48const float transform[2][3], bool transform_inverted=false );

49

50

57 cudaError_t cudaWarpPerspective( void* input, uint32_t inputWidth, uint32_t inputHeight, imageFormat inputFormat,

58void* output, uint32_t outputWidth, uint32_t outputHeight, imageFormat outputFormat,

59const float transform[3][3], bool transform_inverted=false );

60

61

68 template<typename T>

69 cudaError_t cudaWarpPerspective( T* input, uint32_t inputWidth, uint32_t inputHeight,

70 T* output, uint32_t outputWidth, uint32_t outputHeight,

71const float transform[3][3], bool transform_inverted=false )

72 {

73return cudaWarpPerspective(input, inputWidth, inputHeight, imageFormatFromType<T>(), output, outputWidth, outputHeight, imageFormatFromType<T>(), transform, transform_inverted);

74 }

75

76

85 cudaError_t cudaWarpPerspective( uchar4* input, uchar4* output, uint32_t width, uint32_t height,

86const float transform[3][3], bool transform_inverted=false );

87

88

97 cudaError_t cudaWarpPerspective( float4* input, float4* output, uint32_t width, uint32_t height,

98const float transform[3][3], bool transform_inverted=false );

99

100

106 cudaError_t cudaWarpIntrinsic( uchar4* input, uchar4* output, uint32_t width, uint32_t height,

107const float2& focalLength, const float2& principalPoint, const float4& distortion );

108

109

115 cudaError_t cudaWarpIntrinsic( float4* input, float4* output, uint32_t width, uint32_t height,

116const float2& focalLength, const float2& principalPoint, const float4& distortion );

117

118

124 cudaError_t cudaWarpFisheye( uchar4* input, uchar4* output, uint32_t width, uint32_t height, float focus );

125

126

132 cudaError_t cudaWarpFisheye( float4* input, float4* output, uint32_t width, uint32_t height, float focus );

133

134

135 #endif

136

cudaUtility.h

cudaWarpPerspective

cudaError_t cudaWarpPerspective(void *input, uint32_t inputWidth, uint32_t inputHeight, imageFormat inputFormat, void *output, uint32_t outputWidth, uint32_t outputHeight, imageFormat outputFormat, const float transform[3][3], bool transform_inverted=false)

Apply a 3x3 perspective warp to an image.

cudaWarpIntrinsic

cudaError_t cudaWarpIntrinsic(uchar4 *input, uchar4 *output, uint32_t width, uint32_t height, const float2 &focalLength, const float2 &principalPoint, const float4 &distortion)

Apply in-place instrinsic lens distortion correction to an 8-bit fixed-point RGBA image.

cudaWarpAffine

cudaError_t cudaWarpAffine(uchar4 *input, uchar4 *output, uint32_t width, uint32_t height, const float transform[2][3], bool transform_inverted=false)

Apply 2x3 affine warp to an 8-bit fixed-point RGBA image.

cudaWarpFisheye

cudaError_t cudaWarpFisheye(uchar4 *input, uchar4 *output, uint32_t width, uint32_t height, float focus)

Apply fisheye lens dewarping to an 8-bit fixed-point RGBA image.

imageFormat.h

imageFormat

imageFormat

The imageFormat enum is used to identify the pixel format and colorspace of an image.

Definition: imageFormat.h:49