Fumiya Imazato
Claude Opus 4.5
commited on
Commit
·
1eff75e
1
Parent(s):
251cf10
Fix: PaddleOCR 3.x use_gpu + overlay camera switch + auto analyze
Browse files- Remove use_gpu arg (deprecated in PaddleOCR 3.x)
- Add camera switch button as overlay on video
- Enable streaming=True for auto analysis
- Use webcam.stream() instead of manual button
- Update TROUBLESHOOTING.md
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- TROUBLESHOOTING.md +50 -0
- app.py +106 -118
- core/ocr_engine.py +7 -5
TROUBLESHOOTING.md
CHANGED
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@@ -323,3 +323,53 @@ const initRearCamera = async () => {
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};
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initRearCamera();
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```
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};
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initRearCamera();
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```
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+
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+
## PaddleOCR 3.x で use_gpu が廃止
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+
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### 問題
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```
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ValueError: Unknown argument: use_gpu
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```
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### 原因
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- PaddleOCR 3.x で `use_gpu` 引数も廃止された
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- `show_log`, `enable_mkldnn`, `cpu_threads` に続いて `use_gpu` も削除
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+
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### 解決策
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+
```python
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# 修正前
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self._ocr = PaddleOCR(
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use_angle_cls=True,
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lang=self.lang,
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use_gpu=self.use_gpu,
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)
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# 修正後(PaddleOCR 3.x)
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self._ocr = PaddleOCR(
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use_angle_cls=True,
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lang=self.lang,
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)
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```
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+
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### 教訓
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PaddleOCR 3.x では以下の引数のみ使用:
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- `use_angle_cls`
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- `lang`
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## カメラ切り替えボタンをオーバーレイ表示
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+
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### 問題
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- カメラ切り替えボタンが撮影画面の外にあり使いづらい
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### 解決策
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JavaScriptでボタンを動的に追加:
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```javascript
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const btn = document.createElement('button');
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btn.className = 'camera-switch-overlay';
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btn.innerHTML = '🔄 内/外';
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btn.style.cssText = 'position:absolute;top:10px;right:10px;z-index:1000;...';
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imageContainer.appendChild(btn);
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```
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+
MutationObserverでDOMの変更を監視し、ボタンが消えたら再追加。
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app.py
CHANGED
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@@ -6,7 +6,6 @@ GPSに頼らず位置を特定するサービス
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"""
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import time
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-
import asyncio
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from typing import Optional
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import numpy as np
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import gradio as gr
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@@ -47,17 +46,7 @@ class DokoCameApp:
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self._hint_lon: float = 139.7671
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def process_frame(self, frame: np.ndarray) -> dict:
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"""
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フレームを処理
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-
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Returns:
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{
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"ocr_texts": [...],
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"landmarks": [...],
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"location_status": "...",
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"result": AggregatedResult or None
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}
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"""
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if frame is None:
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return self._empty_result()
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@@ -74,17 +63,21 @@ class DokoCameApp:
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# OCR処理
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if sample.should_ocr:
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raw_texts = self.ocr_engine.detect_text_only(frame)
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ocr_texts = [clean_ocr_text(t) for t in raw_texts if t]
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self._latest_ocr_texts = ocr_texts
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# VLM処理
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if sample.should_vlm and self.vlm_analyzer.is_available:
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try:
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analysis = self.vlm_analyzer.analyze(frame)
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if analysis.success:
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self._latest_analysis = analysis
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vlm_keywords = self.vlm_analyzer.get_search_keywords(analysis)
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except Exception as e:
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print(f"VLM error: {e}")
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@@ -138,27 +131,18 @@ class DokoCameApp:
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self._latest_ocr_texts = []
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self._latest_analysis = None
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-
def set_hint_location(self, lat: float, lon: float):
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"""ヒント座標を設定"""
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self._hint_lat = lat
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self._hint_lon = lon
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-
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# グローバルアプリインスタンス
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app = DokoCameApp()
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def process_webcam(frame):
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"""Webcam
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print(f"[DEBUG] process_webcam called, frame type: {type(frame)}")
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-
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if frame is None:
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-
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return None, "カメラを起動してください", ""
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print(f"[DEBUG] frame shape: {frame.shape
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result = app.process_frame(frame)
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print(f"[DEBUG] process_frame result: {result}")
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# OCRテキストをフォーマット
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ocr_display = ""
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@@ -183,47 +167,102 @@ def process_webcam(frame):
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location_display += f"\n\n座標: {r.estimated_lat:.6f}, {r.estimated_lon:.6f}"
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location_display += f"\n信頼度: {r.confidence:.1%}"
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-
return
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def reset_state():
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"""状態リセット"""
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app.reset()
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-
return "リセットしました"
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def create_ui():
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"""Gradio UIを作成"""
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-
#
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-
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() => {
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-
//
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const initRearCamera = async () => {
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-
// 少し待ってからカメラを探す
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await new Promise(r => setTimeout(r, 2000));
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const video = document.querySelector('video');
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-
if (!video) {
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console.log('Video element not found, retrying...');
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setTimeout(initRearCamera, 1000);
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-
return;
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-
}
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-
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// カメラが起動するまで待つ
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-
if (!video.srcObject) {
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console.log('Camera not started yet, retrying...');
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setTimeout(initRearCamera, 1000);
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return;
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}
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try {
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const tracks = video.srcObject.getVideoTracks();
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-
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tracks.forEach(track => track.stop());
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}
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-
// 外カメラを要求
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const stream = await navigator.mediaDevices.getUserMedia({
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video: { facingMode: { ideal: 'environment' } }
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});
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@@ -234,39 +273,43 @@ def create_ui():
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}
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};
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-
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initRearCamera();
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}
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"""
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with gr.Blocks(
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title="どこカメ - リアルタイム位置特定",
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theme=gr.themes.Soft(),
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-
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) as demo:
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gr.Markdown(
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"""
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# 📍 どこカメ (dokoCame)
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-
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"""
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)
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with gr.Row():
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with gr.Column(scale=2):
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-
# カメラ入力(streaming
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webcam = gr.Image(
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sources=["webcam"],
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streaming=
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label="
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mirror_webcam=False,
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)
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with gr.Row():
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# 解析ボタン
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analyze_btn = gr.Button("🔍 解析する", variant="primary", size="lg")
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# カメラ切り替えボタン
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switch_camera_btn = gr.Button("🔄 内/外カメラ切替", variant="secondary")
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-
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with gr.Column(scale=1):
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# 位置情報表示
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location_output = gr.Textbox(
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@@ -278,91 +321,36 @@ def create_ui():
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# 検出情報表示
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info_output = gr.Textbox(
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label="🔍 検出情報",
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lines=
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interactive=False,
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)
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# リセットボタン
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reset_btn = gr.Button("🔄 リセット", variant="secondary")
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-
#
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-
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async () => {
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// 現在のカメラを取得
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const video = document.querySelector('video');
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if (!video || !video.srcObject) {
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alert('カメラを先に起動してください');
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-
return;
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-
}
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-
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-
const tracks = video.srcObject.getVideoTracks();
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-
if (tracks.length === 0) return;
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-
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-
const currentSettings = tracks[0].getSettings();
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-
const currentFacing = currentSettings.facingMode || 'user';
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-
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// 反対のカメラに切り替え
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const newFacing = currentFacing === 'user' ? 'environment' : 'user';
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-
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try {
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// 古いトラックを停止
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tracks.forEach(track => track.stop());
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-
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// 新しいカメラを取得
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const newStream = await navigator.mediaDevices.getUserMedia({
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video: { facingMode: { exact: newFacing } }
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});
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-
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video.srcObject = newStream;
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console.log('カメラ切り替え成功:', newFacing);
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} catch (err) {
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console.error('カメラ切り替え失敗:', err);
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-
// exactが失敗した場合、idealで試す
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try {
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const newStream = await navigator.mediaDevices.getUserMedia({
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video: { facingMode: { ideal: newFacing } }
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});
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video.srcObject = newStream;
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} catch (err2) {
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alert('カメラの切り替えに失敗しました。このデバイスでは切り替えできない可能性があります。');
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}
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}
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}
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"""
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-
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-
# イベントハンドラ
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analyze_btn.click(
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fn=process_webcam,
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inputs=[webcam],
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outputs=[
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)
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-
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switch_camera_btn.click(
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fn=None,
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inputs=[],
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outputs=[],
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js=switch_camera_js,
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)
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reset_btn.click(
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fn=reset_state,
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outputs=[location_output],
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)
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gr.Markdown(
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"""
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---
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### 使い方
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-
1.
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-
2.
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-
3.
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4. **「解析する」**ボタンを押して位置を特定
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-
5. 複数回解析すると精度が上がります
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### 注意事項
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- GPSは使用していません(映像のみで位置を推定)
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- コンビニ、飲食店、駅などが見えると精度が上がります
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-
- **先に写真を撮ってから解析ボタンを押してください**
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"""
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)
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"""
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import time
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from typing import Optional
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import numpy as np
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import gradio as gr
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self._hint_lon: float = 139.7671
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def process_frame(self, frame: np.ndarray) -> dict:
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+
"""フレームを処理"""
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if frame is None:
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return self._empty_result()
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# OCR処理
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if sample.should_ocr:
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+
print("[DEBUG] Running OCR...")
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raw_texts = self.ocr_engine.detect_text_only(frame)
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ocr_texts = [clean_ocr_text(t) for t in raw_texts if t]
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self._latest_ocr_texts = ocr_texts
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+
print(f"[DEBUG] OCR detected: {ocr_texts}")
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# VLM処理
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if sample.should_vlm and self.vlm_analyzer.is_available:
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try:
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+
print("[DEBUG] Running VLM...")
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analysis = self.vlm_analyzer.analyze(frame)
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if analysis.success:
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self._latest_analysis = analysis
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vlm_keywords = self.vlm_analyzer.get_search_keywords(analysis)
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+
print(f"[DEBUG] VLM keywords: {vlm_keywords}")
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except Exception as e:
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print(f"VLM error: {e}")
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self._latest_ocr_texts = []
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self._latest_analysis = None
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# グローバルアプリインスタンス
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app = DokoCameApp()
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def process_webcam(frame):
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+
"""Webcam入力を処理"""
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if frame is None:
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+
return "カメラを起動してください", ""
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| 144 |
+
print(f"[DEBUG] process_webcam called, frame shape: {frame.shape}")
|
| 145 |
result = app.process_frame(frame)
|
|
|
|
| 146 |
|
| 147 |
# OCRテキストをフォーマット
|
| 148 |
ocr_display = ""
|
|
|
|
| 167 |
location_display += f"\n\n座標: {r.estimated_lat:.6f}, {r.estimated_lon:.6f}"
|
| 168 |
location_display += f"\n信頼度: {r.confidence:.1%}"
|
| 169 |
|
| 170 |
+
return location_display, info_display
|
| 171 |
|
| 172 |
|
| 173 |
def reset_state():
|
| 174 |
"""状態リセット"""
|
| 175 |
app.reset()
|
| 176 |
+
return "リセットしました", ""
|
| 177 |
|
| 178 |
|
| 179 |
def create_ui():
|
| 180 |
"""Gradio UIを作成"""
|
| 181 |
|
| 182 |
+
# カスタムCSS - カメラ切り替えボタンをオーバーレイ表示
|
| 183 |
+
custom_css = """
|
| 184 |
+
.camera-container {
|
| 185 |
+
position: relative;
|
| 186 |
+
}
|
| 187 |
+
.camera-switch-btn {
|
| 188 |
+
position: absolute;
|
| 189 |
+
top: 10px;
|
| 190 |
+
right: 10px;
|
| 191 |
+
z-index: 100;
|
| 192 |
+
background: rgba(0,0,0,0.7) !important;
|
| 193 |
+
color: white !important;
|
| 194 |
+
border: none !important;
|
| 195 |
+
padding: 8px 12px !important;
|
| 196 |
+
border-radius: 20px !important;
|
| 197 |
+
font-size: 14px !important;
|
| 198 |
+
}
|
| 199 |
+
.camera-switch-btn:hover {
|
| 200 |
+
background: rgba(0,0,0,0.9) !important;
|
| 201 |
+
}
|
| 202 |
+
"""
|
| 203 |
+
|
| 204 |
+
# 初期化JavaScript(外カメラデフォルト + カメラ切り替えボタン追加)
|
| 205 |
+
init_js = """
|
| 206 |
() => {
|
| 207 |
+
// カメラ切り替えボタンを追加
|
| 208 |
+
const addSwitchButton = () => {
|
| 209 |
+
const imageContainer = document.querySelector('.image-container, [data-testid="image"]');
|
| 210 |
+
if (!imageContainer) {
|
| 211 |
+
setTimeout(addSwitchButton, 500);
|
| 212 |
+
return;
|
| 213 |
+
}
|
| 214 |
+
|
| 215 |
+
// 既にボタンがあれば追加しない
|
| 216 |
+
if (document.querySelector('.camera-switch-overlay')) return;
|
| 217 |
+
|
| 218 |
+
const btn = document.createElement('button');
|
| 219 |
+
btn.className = 'camera-switch-overlay';
|
| 220 |
+
btn.innerHTML = '🔄 内/外';
|
| 221 |
+
btn.style.cssText = 'position:absolute;top:10px;right:10px;z-index:1000;background:rgba(0,0,0,0.7);color:white;border:none;padding:10px 15px;border-radius:25px;font-size:16px;cursor:pointer;';
|
| 222 |
+
|
| 223 |
+
btn.onclick = async () => {
|
| 224 |
+
const video = document.querySelector('video');
|
| 225 |
+
if (!video || !video.srcObject) {
|
| 226 |
+
alert('カメラを先に起動してください');
|
| 227 |
+
return;
|
| 228 |
+
}
|
| 229 |
+
|
| 230 |
+
const tracks = video.srcObject.getVideoTracks();
|
| 231 |
+
if (tracks.length === 0) return;
|
| 232 |
+
|
| 233 |
+
const currentFacing = tracks[0].getSettings().facingMode || 'user';
|
| 234 |
+
const newFacing = currentFacing === 'user' ? 'environment' : 'user';
|
| 235 |
+
|
| 236 |
+
try {
|
| 237 |
+
tracks.forEach(track => track.stop());
|
| 238 |
+
const newStream = await navigator.mediaDevices.getUserMedia({
|
| 239 |
+
video: { facingMode: { ideal: newFacing } }
|
| 240 |
+
});
|
| 241 |
+
video.srcObject = newStream;
|
| 242 |
+
btn.innerHTML = newFacing === 'environment' ? '🔄 外カメラ' : '🔄 内カメラ';
|
| 243 |
+
} catch (err) {
|
| 244 |
+
console.error('カメラ切り替え失敗:', err);
|
| 245 |
+
}
|
| 246 |
+
};
|
| 247 |
+
|
| 248 |
+
imageContainer.style.position = 'relative';
|
| 249 |
+
imageContainer.appendChild(btn);
|
| 250 |
+
};
|
| 251 |
+
|
| 252 |
+
// 外カメラをデフォルトに
|
| 253 |
const initRearCamera = async () => {
|
|
|
|
| 254 |
await new Promise(r => setTimeout(r, 2000));
|
| 255 |
|
| 256 |
const video = document.querySelector('video');
|
| 257 |
+
if (!video || !video.srcObject) {
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 258 |
setTimeout(initRearCamera, 1000);
|
| 259 |
return;
|
| 260 |
}
|
| 261 |
|
| 262 |
try {
|
| 263 |
const tracks = video.srcObject.getVideoTracks();
|
| 264 |
+
tracks.forEach(track => track.stop());
|
|
|
|
|
|
|
| 265 |
|
|
|
|
| 266 |
const stream = await navigator.mediaDevices.getUserMedia({
|
| 267 |
video: { facingMode: { ideal: 'environment' } }
|
| 268 |
});
|
|
|
|
| 273 |
}
|
| 274 |
};
|
| 275 |
|
| 276 |
+
addSwitchButton();
|
| 277 |
initRearCamera();
|
| 278 |
+
|
| 279 |
+
// 監視して再追加
|
| 280 |
+
const observer = new MutationObserver(() => {
|
| 281 |
+
if (!document.querySelector('.camera-switch-overlay')) {
|
| 282 |
+
addSwitchButton();
|
| 283 |
+
}
|
| 284 |
+
});
|
| 285 |
+
observer.observe(document.body, { childList: true, subtree: true });
|
| 286 |
}
|
| 287 |
"""
|
| 288 |
|
| 289 |
with gr.Blocks(
|
| 290 |
title="どこカメ - リアルタイム位置特定",
|
| 291 |
theme=gr.themes.Soft(),
|
| 292 |
+
css=custom_css,
|
| 293 |
+
js=init_js,
|
| 294 |
) as demo:
|
| 295 |
gr.Markdown(
|
| 296 |
"""
|
| 297 |
# 📍 どこカメ (dokoCame)
|
| 298 |
+
**かざすだけで、視界がそのまま住所になる**
|
| 299 |
"""
|
| 300 |
)
|
| 301 |
|
| 302 |
with gr.Row():
|
| 303 |
with gr.Column(scale=2):
|
| 304 |
+
# カメラ入力(streaming=Trueで自動解析)
|
| 305 |
webcam = gr.Image(
|
| 306 |
sources=["webcam"],
|
| 307 |
+
streaming=True,
|
| 308 |
+
label="カメラ映像",
|
| 309 |
mirror_webcam=False,
|
| 310 |
+
elem_classes=["camera-container"],
|
| 311 |
)
|
| 312 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 313 |
with gr.Column(scale=1):
|
| 314 |
# 位置情報表示
|
| 315 |
location_output = gr.Textbox(
|
|
|
|
| 321 |
# 検出情報表示
|
| 322 |
info_output = gr.Textbox(
|
| 323 |
label="🔍 検出情報",
|
| 324 |
+
lines=8,
|
| 325 |
interactive=False,
|
| 326 |
)
|
| 327 |
|
| 328 |
# リセットボタン
|
| 329 |
reset_btn = gr.Button("🔄 リセット", variant="secondary")
|
| 330 |
|
| 331 |
+
# 自動解析(streaming=Trueで画像が変わるたびに呼ばれる)
|
| 332 |
+
webcam.stream(
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 333 |
fn=process_webcam,
|
| 334 |
inputs=[webcam],
|
| 335 |
+
outputs=[location_output, info_output],
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 336 |
)
|
| 337 |
|
| 338 |
reset_btn.click(
|
| 339 |
fn=reset_state,
|
| 340 |
+
outputs=[location_output, info_output],
|
| 341 |
)
|
| 342 |
|
| 343 |
gr.Markdown(
|
| 344 |
"""
|
| 345 |
---
|
| 346 |
### 使い方
|
| 347 |
+
1. カメラを許可(自動で外カメラが選択されます)
|
| 348 |
+
2. 右上の**「🔄 内/外」**ボタンでカメラ切り替え可能
|
| 349 |
+
3. 周囲の看板や店舗を映すと**自動で解析**されます
|
|
|
|
|
|
|
| 350 |
|
| 351 |
### 注意事項
|
| 352 |
- GPSは使用していません(映像のみで位置を推定)
|
| 353 |
- コンビニ、飲食店、駅などが見えると精度が上がります
|
|
|
|
| 354 |
"""
|
| 355 |
)
|
| 356 |
|
core/ocr_engine.py
CHANGED
|
@@ -20,14 +20,12 @@ class OCREngine:
|
|
| 20 |
日本語テキスト抽出に最適化
|
| 21 |
"""
|
| 22 |
|
| 23 |
-
def __init__(self, lang: str = "japan"
|
| 24 |
"""
|
| 25 |
Args:
|
| 26 |
lang: 言語設定 ("japan", "en", "ch" など)
|
| 27 |
-
use_gpu: GPU使用フラグ(Hugging Face Free TierではFalse)
|
| 28 |
"""
|
| 29 |
self.lang = lang
|
| 30 |
-
self.use_gpu = use_gpu
|
| 31 |
self._ocr = None
|
| 32 |
self._initialized = False
|
| 33 |
|
|
@@ -39,16 +37,20 @@ class OCREngine:
|
|
| 39 |
try:
|
| 40 |
from paddleocr import PaddleOCR
|
| 41 |
|
| 42 |
-
# PaddleOCR 3.x
|
|
|
|
| 43 |
self._ocr = PaddleOCR(
|
| 44 |
use_angle_cls=True,
|
| 45 |
lang=self.lang,
|
| 46 |
-
use_gpu=self.use_gpu,
|
| 47 |
)
|
| 48 |
self._initialized = True
|
|
|
|
| 49 |
except ImportError:
|
| 50 |
print("Warning: PaddleOCR not installed. OCR will not work.")
|
| 51 |
self._initialized = False
|
|
|
|
|
|
|
|
|
|
| 52 |
|
| 53 |
def detect(self, frame: np.ndarray) -> List[OCRResult]:
|
| 54 |
"""
|
|
|
|
| 20 |
日本語テキスト抽出に最適化
|
| 21 |
"""
|
| 22 |
|
| 23 |
+
def __init__(self, lang: str = "japan"):
|
| 24 |
"""
|
| 25 |
Args:
|
| 26 |
lang: 言語設定 ("japan", "en", "ch" など)
|
|
|
|
| 27 |
"""
|
| 28 |
self.lang = lang
|
|
|
|
| 29 |
self._ocr = None
|
| 30 |
self._initialized = False
|
| 31 |
|
|
|
|
| 37 |
try:
|
| 38 |
from paddleocr import PaddleOCR
|
| 39 |
|
| 40 |
+
# PaddleOCR 3.x では use_gpu, show_log 等が廃止
|
| 41 |
+
# lang と use_angle_cls のみ使用
|
| 42 |
self._ocr = PaddleOCR(
|
| 43 |
use_angle_cls=True,
|
| 44 |
lang=self.lang,
|
|
|
|
| 45 |
)
|
| 46 |
self._initialized = True
|
| 47 |
+
print("[OCR] PaddleOCR initialized successfully")
|
| 48 |
except ImportError:
|
| 49 |
print("Warning: PaddleOCR not installed. OCR will not work.")
|
| 50 |
self._initialized = False
|
| 51 |
+
except Exception as e:
|
| 52 |
+
print(f"Warning: PaddleOCR init error: {e}")
|
| 53 |
+
self._initialized = False
|
| 54 |
|
| 55 |
def detect(self, frame: np.ndarray) -> List[OCRResult]:
|
| 56 |
"""
|