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PiperOrigin-RevId: 223442581

PiperOrigin-RevId: 223437592

Also fix a few lint errors in unit tests.

PiperOrigin-RevId: 223434695

PiperOrigin-RevId: 223433850

* Add a second expected_loss_weights function using an alternative expectation calculation compared to previous. Integrate this op into ssd_meta_arch and losses builder. Affects files that use losses_builder.build to handle the returning of an additional element.

PiperOrigin-RevId: 219190083

* Fix dependency issues.

PiperOrigin-RevId: 222888231

* Update CODEOWNERS 

Add @masonliuw and @yinxiaoli to /research/lstm_object_detection/

Open souring mobile video object detection framework

Updated to 1.9 for consistency with running_pets.md

We've deprecated the "tower" terminology in DistributionStrategy, so the "cross_tower_ops" argument is now "cross_device_ops", matching the current name of "AllReduceCrossDeviceOps".

Another error appears when an incompatible version of Tensorboard is installed. Need to ensure Tensorboard is 1.9 as well

Switching to more robust pysoundfile for reading wav files

Explicitly mention Python 2.7 in README for research/im2txt

Freeze environment using Conda for research/im2txt

Added struct2depth model

Improved performance of deeplab inference

Updated doc as well line 211.

Line 219 runtime version updated to 1.9, causes error otherwise

`num_replicas` is being replaced by `num_replicas_in_sync` and something that returns the number of steps running concurrently.

Update lite path + fix --config option

`lite` is no longer under `contrib`. 

Additionally, `--config=opt` fails, see: https://github.com/tensorflow/serving/issues/517

This tag should match EVAL_HP_NUM_NEG.

Revert "Use explicit relative import syntax for python 3 compatibility in audioset."

Update 4_Neural_Style_Transfer_with_Eager_Execution.ipynb

Fixed grammar errors and typos.

Use explicit relative import syntax for python 3 compatibility in audioset.

I've noticed sometimes the async process's pool processes do not die when ncf_main.py ends and kills the async process. This commit fixes the issue.

* Internal change.

PiperOrigin-RevId: 213914693

* Add original_image_spatial_shape tensor in input dictionary to store shape of the original input image

PiperOrigin-RevId: 214018767

* Remove "groundtruth_confidences" from decoders use "groundtruth_weights" to indicate label confidence.

This also solves a bug that only surfaced now - random crop routines in core/preprocessor.py did not correctly handle "groundtruth_weight" tensors returned by the decoders.

PiperOrigin-RevId: 214091843

* Update CocoMaskEvaluator to allow for a batch of image info, rather than a single image.

PiperOrigin-RevId: 214295305

* Adding the option to be able to summarize gradients.

PiperOrigin-RevId: 214310875

* Adds FasterRCNN inference on CPU

1. Adds a flag use_static_shapes_for_eval to restrict to the ops that guarantees static shape.
2. No filtering of overlapping anchors while clipping the anchors when use_static_shapes_for_eval is set to True.
3. A...

Remove progress indicator from Movielens download