質問編集履歴
2
タイトル変更
test
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@@ -1 +1 @@
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1
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OpenCVを用いたGPU処理
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1
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OpenCVを用いたGPU処理の際のプログラムエラー(Expected Ptr<cv::UMat> for argument)
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test
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File without changes
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1
コードの修正
test
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File without changes
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test
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@@ -66,7 +66,7 @@
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66
66
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67
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for (x, y, w, h) in face:
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68
68
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69
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###モザイク処理
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69
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###モザイク処理
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70
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71
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frame[y:y+h, x:x+w] = mosaic(frame[y:y+h, x:x+w], 0.01)
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@@ -78,4 +78,46 @@
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writer.write(frame)
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81
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82
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83
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84
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85
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# モザイク処理
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86
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87
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def mosaic(img, alpha):
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88
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89
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90
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91
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w = img.shape[1]
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92
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93
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h = img.shape[0]
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94
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95
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96
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97
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### Run with GPU
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98
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99
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img_gpu_src = cv2.cuda_GpuMat()
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100
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img_gpu_dst = cv2.cuda_GpuMat()
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103
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104
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105
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# 最近傍法で縮小→拡大することでモザイク加工、GPU処理
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106
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107
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img_gpu_src.upload(img)
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108
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+
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109
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img_gpu_dst = cv2.cuda.resize(img_gpu_src, (int(w*alpha), int(h*alpha)))
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110
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111
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img_gpu_dst = cv2.cuda.resize(img_gpu_dst, (w, h), interpolation=cv2.INTER_NEAREST)
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112
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113
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img = img_gpu_dst.download()
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114
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115
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116
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return img
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120
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121
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122
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81
123
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```
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