Edgar Riba

[milestone] :pill: Code coverage tracker

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## Achieve CI coverage above 95% :rocket: #### :health_worker: How to help ? :chart_with_upwards_trend: Checkout the current [coverage](https://app.codecov.io/gh/kornia/kornia) :books: Read the [developers guidelines](https://github.com/kornia/kornia/blob/master/CONTRIBUTING.md#developing-kornia) :star: Open a PR and good to...

[Feat] Improve stability for HSV during backprop

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## 🚀 Feature Be aware of the backprop using HSV since it's circular and might be issues around 0 or 1.

I think is valid to use the `BaseTester` from kornia.testing import BaseTester and just skip the unnecessary tests _Originally posted by @johnnv1 in https://github.com/kornia/kornia/pull/2387#discussion_r1202100597_

Use Kornia Boxes utility to automаte the boxes conversion _Originally posted by @edgarriba in https://github.com/kornia/kornia/pull/2363#discussion_r1257304152_

hey guys what do you think about giving support to protobuf ? I have a current need to share/log tensor data via python. Wanted to discuss here before starting myself....

batch norm updates

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Hi, any hint about how does batch norm update and why you do the following? ```python bn_updates = [(p, m * 0.05 + p * 0.95) for p, m in...

softplus activation

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@vdumoulin I'm a bit confused about why are you using softplus activation** for the discriminator since in the paper formulas there no mention or at least I cannot recognize it....

use `thiserror` to handle errors

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for now errors are handle with `anyhow` -- this is good at application level but ideally we should create custom error types for lib development. ideally use https://github.com/dtolnay/thiserror

There is one problem with my implementation that I forgot to mention. As you can see, the edges are jagged. This is because I skip pixels if they are outside...

implement `warp_affine` / `warp_perspective`

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reference: - [x] warp_affine: https://github.com/kornia/kornia/blob/main/kornia/geometry/transform/imgwarp.py#L131 - [ ] warp_perspective: https://github.com/kornia/kornia/blob/main/kornia/geometry/transform/imgwarp.py#L48 needs (to abstract / reuse code) - [ ] grid_sample / map_coordinates