Nic Ma

Upgrading to 0.4.9 stuck multi-gpu training

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## 🐛 Bug description Hi @vfdev-5 , We upgraded ignite from 0.4.8 to 0.4.9 in MONAI 0.9.1 recently: https://github.com/Project-MONAI/MONAI/pull/4605. Then got the issue report from user: something changed related to...

MLFlow support in ignite

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## 🚀 Feature Hi @vfdev-5 , As you may know, PyTorch and MLflow Integration announced last year: https://mlflow.org/news/2020/11/12/pytorch-mlflow-integration/index.html, it works well with `PyTorch-Lightning` but seems ignite doesn't support it so...

Add `dict` properties to Engine and State

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## 🚀 Feature Hi @vfdev-5 , In the current implementation of MONAI handlers, they are deeply coupled with ignite engine. Some users that use different workflows can't leverage our handlers,...

How to all_gather Tensor if not the same length

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## ❓ Questions/Help/Support Hi @vfdev-5 , I am developing distributed evaluation feature, and facing a problem that the `preds` and `labels` on different GPUs don't have the same length, then...

Compute metric per image and handler mutex in DistributedDataParallel

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## ❓ Questions/Help/Support Hi @vfdev-5 , I am writing an ignite handler to write the segmentation metrics of every image into 1 CSV file as the summary, for example: ```...

4563 Enhance the stats information of workflows

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Fixes #4563 . ### Description This PR enhanced the stats information of trainer and evaluator workflows. ### Status **Ready** ### Types of changes - [x] Non-breaking change (fix or new...

Develop experiment management module

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**Is your feature request related to a problem? Please describe.** To record and track the training experiments clearly, experiment management is a necessary module. 1. Identify the typical user stories...

Support DICOM keys when pruning extra keys

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**Is your feature request related to a problem? Please describe.** Currently, seems we only prune the nifti keys: https://github.com/Project-MONAI/MONAI/blob/dev/monai/data/utils.py#L1469 It may be necessary to support other keys and DICOM keys....

Optimize Convolution layers with MobileNet

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Hi tianzhi, I am Nic from NVIDIA, working on AI projects. Thanks very much for your sharing here! Now I am investigating how to optimize CTPN inference with faster convolutions....

**Is your feature request related to a problem? Please describe.** Would be nice to add a new tutorial to show the 3 typical use cases that download bundle via `download`...