| 25 | |
| 26 | RegisterLayerClass(singacpp_convolution, Convolution); |
| 27 | void Convolution::Setup(const Shape &in_sample, const LayerConf &conf) { |
| 28 | Layer::Setup(in_sample, conf); |
| 29 | ConvolutionConf conv_conf = conf.convolution_conf(); |
| 30 | // kernel_size, pad, and stride are repeated fields. |
| 31 | if (conv_conf.kernel_size_size() > 0) { |
| 32 | if (conv_conf.kernel_size_size() == 1) { |
| 33 | kernel_w_ = kernel_h_ = conv_conf.kernel_size(0); |
| 34 | } else { |
| 35 | kernel_w_ = conv_conf.kernel_size(0); |
| 36 | kernel_h_ = conv_conf.kernel_size(1); |
| 37 | } |
| 38 | } else { |
| 39 | kernel_w_ = conv_conf.kernel_w(); |
| 40 | kernel_h_ = conv_conf.kernel_h(); |
| 41 | } |
| 42 | CHECK_GT(kernel_w_, 0u); |
| 43 | CHECK_GT(kernel_h_, 0u); |
| 44 | |
| 45 | if (conv_conf.pad_size() > 0) { |
| 46 | if (conv_conf.pad_size() == 1) { |
| 47 | pad_w_ = pad_h_ = conv_conf.pad(0); |
| 48 | } else { |
| 49 | pad_w_ = conv_conf.pad(0); |
| 50 | pad_h_ = conv_conf.pad(1); |
| 51 | } |
| 52 | } else { |
| 53 | pad_w_ = conv_conf.pad_w(); |
| 54 | pad_h_ = conv_conf.pad_h(); |
| 55 | } |
| 56 | CHECK_GE(pad_w_, 0u); |
| 57 | CHECK_GE(pad_h_, 0u); |
| 58 | |
| 59 | const int kStrideDefault = 1; |
| 60 | if (conv_conf.stride_size() > 0) { |
| 61 | if (conv_conf.stride_size() == 1) { |
| 62 | stride_w_ = stride_h_ = conv_conf.stride(0); |
| 63 | } else { |
| 64 | stride_w_ = conv_conf.stride(0); |
| 65 | stride_h_ = conv_conf.stride(1); |
| 66 | } |
| 67 | } else { |
| 68 | stride_w_ = kStrideDefault; |
| 69 | stride_h_ = kStrideDefault; |
| 70 | if (conv_conf.has_stride_w()) { |
| 71 | stride_w_ = conv_conf.stride_w(); |
| 72 | } |
| 73 | if (conv_conf.has_stride_h()) { |
| 74 | stride_h_ = conv_conf.stride_h(); |
| 75 | } |
| 76 | } |
| 77 | CHECK_GT(stride_w_, 0u); |
| 78 | CHECK_GE(stride_h_, 0u); // 0 for 1D conv |
| 79 | |
| 80 | num_filters_ = conv_conf.num_output(); |
| 81 | bias_term_ = conv_conf.bias_term(); |
| 82 | |
| 83 | // Shape of input image |
| 84 | CHECK_EQ(in_sample.size(), 3u); |