27 lines
812 B
Markdown
27 lines
812 B
Markdown
# Card Scan Demo
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拍照 / 选图 → **预览页** ML Kit 边框锁定 → 裁剪纠偏 → **rgb-phash-v1 本地比对** → 看结果。
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拍照页只显示引导框，不做实时检测。pHash 使用 vendored C++（`native/phash`）经 `dart:ffi` 调用，图库为 `data/hashes.json`。
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完整说明（对照集换社反编译分析）：[docs/demo说明.md](docs/demo说明.md)
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## 运行
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```bash
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export PATH="$HOME/flutter/bin:$PATH"
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cd /Users/a1518/Desktop/project/card-dex-demo
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flutter pub get
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flutter run
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```
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## 本地 pHash 脚本
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```bash
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export PATH="$HOME/flutter/bin:$PATH" # dart 随 Flutter SDK 提供
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cmake -S native/phash -B native/phash/build -DPHASH_BUILD_SHARED=ON
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cmake --build native/phash/build
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dart run tool/hashgen.dart
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dart run tool/match.dart --image test_assets/30892.jpg
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```
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