Advent Calendar 2020 / Library & Framework

OpenCV Advent Calendar 2020

Participant14People

Subscriber105People

687

Category：Library & Framework

Creator：

@dandelion1124

2020年もOpenCVのライセンスがApache 2になったり、OpenCV AI Kitのファンディングが開始されたりと変化の多い年になりました。ということで今年も小ネタからディープなネタまで記事を募集します！また、記事本体はQiita以外に投稿してもらっても問題ありません。

過去のOpenCV Advent Calendar

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
29	30	@dandelion1124 cv::cuda::BufferPoolを使ってみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tomoaki_teshima 対応点3点ではHomographyは求まらない Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@hon_no_mushi はじめてのG-API(文字描画編) Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@fukushima1981 OpenCVの並列化フレームワークの謎挙動 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@john-rocky iOSでOpenCV Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@tomoaki_teshima OpenCVの丸め誤差bit-exactnessについて Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@dandelion1124 OpenCVのロギング機能 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@dandelion1124 OpenCVのcudaoptflowモジュールからNVIDIA Optical Flow SDKを使う Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kounoike やっぱり Wasmは C++!!! ～Wasm/EmscriptenでOpenCVを使う～ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kounoike OpenCVがWebカメラであなたの顔を画像として取得するまでの仕組み Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@fukushima1981 OpenCV4.5.4ビルドログ（Windows＋Visual Studio2019） Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@Kazuhito OpenCVでのデモの見栄えを工夫したまとめ(ディープラーニング系) Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@shinnkun アイトラッカー作ってみた． Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@UnaNancyOwen OpenCVのDNNモジュールで深度推定してみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@satsukiya CUDAを使ってCPU vs GPUしたった Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@hon_no_mushi OpenCV 4とOpenCV 5の共存はメンドクサイ（できるけど） Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@shimat OpenCVモジュールの依存関係 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@takmin PyTorchで学習したモデルをOpenCVで使う (Custom Layer編) Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@hon_no_mushi putText()関数でtruetype fontを使ったテキスト描画ができるようになりました！ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@fukushima1981 OpenCV4.5 コンパイルログ（Windows Visual Studio2019） Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@fukushima1981 OpenCVのK-meansを高速化する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tomoaki_teshima OpenCVをCUDA付きでビルドする際にサポートされる範囲 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@dandelion1124 OpenCV AI Kitの到着に備えよう Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tetsu5902 SONY製LiDARのDepthをPCで取得 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@shiro-kuma ラズパイ3のGPUでOpenCVを動かす Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	26

@dandelion1124
cv::cuda::BufferPoolを使ってみる
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@tomoaki_teshima
対応点3点ではHomographyは求まらない
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@hon_no_mushi
はじめてのG-API(文字描画編)
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@fukushima1981
OpenCVの並列化フレームワークの謎挙動
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@john-rocky
iOSでOpenCV
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@tomoaki_teshima
OpenCVの丸め誤差bit-exactnessについて
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@dandelion1124
OpenCVのロギング機能
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@dandelion1124
OpenCVのcudaoptflowモジュールからNVIDIA Optical Flow SDKを使う
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@kounoike
やっぱり Wasmは C++!!! ～Wasm/EmscriptenでOpenCVを使う～
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@kounoike
OpenCVがWebカメラであなたの顔を画像として取得するまでの仕組み
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@fukushima1981
OpenCV4.5.4ビルドログ（Windows＋Visual Studio2019）
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@Kazuhito
OpenCVでのデモの見栄えを工夫したまとめ(ディープラーニング系)
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@shinnkun
アイトラッカー作ってみた．
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@UnaNancyOwen
OpenCVのDNNモジュールで深度推定してみる
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@satsukiya
CUDAを使ってCPU vs GPUしたった
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@hon_no_mushi
OpenCV 4とOpenCV 5の共存はメンドクサイ（できるけど）
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@shimat
OpenCVモジュールの依存関係
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@takmin
PyTorchで学習したモデルをOpenCVで使う (Custom Layer編)
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@hon_no_mushi
putText()関数でtruetype fontを使ったテキスト描画ができるようになりました！
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@fukushima1981
OpenCV4.5 コンパイルログ（Windows Visual Studio2019）
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@fukushima1981
OpenCVのK-meansを高速化する
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@tomoaki_teshima
OpenCVをCUDA付きでビルドする際にサポートされる範囲
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@dandelion1124
OpenCV AI Kitの到着に備えよう
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@tetsu5902
SONY製LiDARのDepthをPCで取得
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@shiro-kuma
ラズパイ3のGPUでOpenCVを動かす
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Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
29	30	@dandelion1124 cv::cuda::BufferPoolを使ってみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tomoaki_teshima 対応点3点ではHomographyは求まらない Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@hon_no_mushi はじめてのG-API(文字描画編) Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@fukushima1981 OpenCVの並列化フレームワークの謎挙動 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@john-rocky iOSでOpenCV Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@tomoaki_teshima OpenCVの丸め誤差bit-exactnessについて Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@dandelion1124 OpenCVのロギング機能 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@dandelion1124 OpenCVのcudaoptflowモジュールからNVIDIA Optical Flow SDKを使う Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kounoike やっぱり Wasmは C++!!! ～Wasm/EmscriptenでOpenCVを使う～ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kounoike OpenCVがWebカメラであなたの顔を画像として取得するまでの仕組み Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@fukushima1981 OpenCV4.5.4ビルドログ（Windows＋Visual Studio2019） Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@Kazuhito OpenCVでのデモの見栄えを工夫したまとめ(ディープラーニング系) Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@shinnkun アイトラッカー作ってみた． Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@UnaNancyOwen OpenCVのDNNモジュールで深度推定してみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@satsukiya CUDAを使ってCPU vs GPUしたった Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@hon_no_mushi OpenCV 4とOpenCV 5の共存はメンドクサイ（できるけど） Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@shimat OpenCVモジュールの依存関係 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@takmin PyTorchで学習したモデルをOpenCVで使う (Custom Layer編) Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@hon_no_mushi putText()関数でtruetype fontを使ったテキスト描画ができるようになりました！ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@fukushima1981 OpenCV4.5 コンパイルログ（Windows Visual Studio2019） Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@fukushima1981 OpenCVのK-meansを高速化する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tomoaki_teshima OpenCVをCUDA付きでビルドする際にサポートされる範囲 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@dandelion1124 OpenCV AI Kitの到着に備えよう Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tetsu5902 SONY製LiDARのDepthをPCで取得 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@shiro-kuma ラズパイ3のGPUでOpenCVを動かす Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after the opening date of the year can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	26

@dandelion1124
cv::cuda::BufferPoolを使ってみる
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@tomoaki_teshima
対応点3点ではHomographyは求まらない
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@hon_no_mushi
はじめてのG-API(文字描画編)
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@fukushima1981
OpenCVの並列化フレームワークの謎挙動
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@john-rocky
iOSでOpenCV
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@tomoaki_teshima
OpenCVの丸め誤差bit-exactnessについて
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@dandelion1124
OpenCVのロギング機能
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@dandelion1124
OpenCVのcudaoptflowモジュールからNVIDIA Optical Flow SDKを使う
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@kounoike
やっぱり Wasmは C++!!! ～Wasm/EmscriptenでOpenCVを使う～
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@kounoike
OpenCVがWebカメラであなたの顔を画像として取得するまでの仕組み
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@fukushima1981
OpenCV4.5.4ビルドログ（Windows＋Visual Studio2019）
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@Kazuhito
OpenCVでのデモの見栄えを工夫したまとめ(ディープラーニング系)
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@shinnkun
アイトラッカー作ってみた．
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@UnaNancyOwen
OpenCVのDNNモジュールで深度推定してみる
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@satsukiya
CUDAを使ってCPU vs GPUしたった
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@hon_no_mushi
OpenCV 4とOpenCV 5の共存はメンドクサイ（できるけど）
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@shimat
OpenCVモジュールの依存関係
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@takmin
PyTorchで学習したモデルをOpenCVで使う (Custom Layer編)
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@hon_no_mushi
putText()関数でtruetype fontを使ったテキスト描画ができるようになりました！
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@fukushima1981
OpenCV4.5 コンパイルログ（Windows Visual Studio2019）
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@fukushima1981
OpenCVのK-meansを高速化する
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@tomoaki_teshima
OpenCVをCUDA付きでビルドする際にサポートされる範囲
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@dandelion1124
OpenCV AI Kitの到着に備えよう
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@tetsu5902
SONY製LiDARのDepthをPCで取得
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@shiro-kuma
ラズパイ3のGPUでOpenCVを動かす
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