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September 28, 2016 02:00
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3 lstm for ocr task
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| # has 3 lstm layer | |
| name: "ocr" | |
| layer { | |
| name: "data" | |
| type: "OCRData" | |
| top: "data" | |
| top: "label" | |
| image_data_param { | |
| is_color: false | |
| source: "/home/meifeng.xiao@hbot.me/exp/ocr/train_hard_list.txt" | |
| batch_size: 50 | |
| } | |
| transform_param { | |
| force_gray: true | |
| scale: 0.00390625 | |
| } | |
| ocr_data_param { | |
| split_flag_file: "|" | |
| split_flag_number: "," | |
| label_size: 4 | |
| } | |
| } | |
| layer { | |
| name: "permute_data" | |
| type: "Permute" | |
| bottom: "data" | |
| top: "permute_data" | |
| permute_param { | |
| order: 3 | |
| order: 0 | |
| order: 2 | |
| order: 1 | |
| } | |
| } | |
| layer { | |
| name: "indicator_generator" | |
| type: "TimeIndicator" | |
| top: "indicator" | |
| time_indicator_param { | |
| batch_size: 50 | |
| time_step: 80 | |
| } | |
| } | |
| layer { | |
| name: "lstm1" | |
| type: "LSTM" | |
| bottom: "permute_data" | |
| bottom: "indicator" | |
| top: "lstm1" | |
| recurrent_param { | |
| num_output: 100 | |
| weight_filler { | |
| type: "xavier" | |
| } | |
| bias_filler { | |
| type: "constant" | |
| value: 0.0 | |
| } | |
| debug_info: false | |
| } | |
| } | |
| layer { | |
| name: "lstm2" | |
| type: "LSTM" | |
| bottom: "lstm1" | |
| bottom: "indicator" | |
| top: "lstm2" | |
| recurrent_param { | |
| num_output: 100 | |
| weight_filler { | |
| type: "xavier" | |
| } | |
| bias_filler { | |
| type: "constant" | |
| value: 0.0 | |
| } | |
| debug_info: false | |
| } | |
| } | |
| layer { | |
| name: "lstm3" | |
| type: "LSTM" | |
| bottom: "lstm2" | |
| bottom: "indicator" | |
| top: "lstm3" | |
| recurrent_param { | |
| num_output: 100 | |
| weight_filler { | |
| type: "xavier" | |
| } | |
| bias_filler { | |
| type: "constant" | |
| value: 0.0 | |
| } | |
| debug_info: false | |
| } | |
| } | |
| layer { | |
| name: "fc" | |
| type: "InnerProduct" | |
| bottom: "lstm3" | |
| top: "fc" | |
| param { | |
| lr_mult: 1 | |
| decay_mult: 1 | |
| } | |
| param { | |
| lr_mult: 2 | |
| decay_mult: 0 | |
| } | |
| inner_product_param { | |
| num_output: 11 | |
| axis: 2 | |
| weight_filler { | |
| type: "xavier" | |
| } | |
| bias_filler { | |
| type: "constant" | |
| value: 0 | |
| } | |
| } | |
| } | |
| layer { | |
| name: "ctc_loss" | |
| type: "CtcLoss" | |
| bottom: "fc" | |
| bottom: "label" | |
| top: "ctc_loss" | |
| loss_weight: 1.0 | |
| ctc_loss_param { | |
| blank: 0 | |
| label_length: 4 | |
| alphabet_size: 11 | |
| } | |
| } |
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