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PiperOrigin-RevId: 192529600

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Returning eval_on_train_input_fn from create_estimator_and_inputs(), rather than using train_input_fn in EVAL mode (which will still have data augmentation).

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Migrating away from Experiment class, as it is now deprecated. Also, refactoring into a separate model library and binaries.

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Add an option to skip the last striding in mobilenet. The modified network has nominal output stride 16 instead of 32.

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Add option to override base feature extractor hyperparams in SSD models. This would allow us to use the same set of hyperparams for the complete feature extractor (base + new layers) if desired.

PiperOrigin-RevId: 191787921

Adding an attribute to SSD model to indicate which fields in prediction dictionary have a batch dimension. This will be useful for future video models.

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PiperOrigin-RevId: 191668425

duplicate eval metric: change the fourth metric from ## Weighted PASCAL VOC detection metric to ##  Weighted PASCAL VOC instance segmentation metric .

191649512  by Zhichao Lu:

    Introduce two parameters in ssd.proto - freeze_batchnorm, inplace_batchnorm_update - and set up slim arg_scopes in ssd_meta_arch.py such that applies it to all batchnorm ops in the predict() method.

    This centralizes the control of freezing and doing inplace batchnorm updates.

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191620303  by Zhichao Lu:

    Modifications to the preprocessor to support multiclass scores

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191610773  by Zhichao Lu:

    Adding multiclass_scores to InputDataFields and adding padding for multiclass_scores.

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191595011  by Zhichao Lu:

    Contains implementation of the detection metric for the Open Images Challenge.

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191449408  by Zhichao Lu:

    Change hyperparams_builder to return a callable so the users can inherit values from outer arg_scopes. This allows us to easily set batch_norm parameters like "is_training" and "inplace_batchnorm_update" for all feature extractors from the base class and propagate it correctly to the nested scopes.

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191437008  by Zhichao Lu:

    Contains implementation of the Recall@N and MedianRank@N metrics.

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191385254  by Zhichao Lu:

    Add config rewrite flag to eval.py

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191382500  by Zhichao Lu:

    Fix bug for config_util.

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PiperOrigin-RevId: 191649512

PiperOrigin-RevId: 191377056

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- Fix externally broken test input_test.py
- Add Cython to object detection REQUIRED_PACKAGES

PiperOrigin-RevId: 191338837

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Updating model to infer when labels are padded, rather than relying solely on the mode. This is necessary for evaluating on train data.

PiperOrigin-RevId: 190960173

Use keyword arguments in model builder for ssd feature extractor. This was incorreclty setting reuse argument.

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Removing flag defaults for train steps and eval steps. If not provided, will revert to the values specified in the config.

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Add warning if shuffle=false but num_readers > 1. The latter would cause the input data stream to still be shuffled.

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