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changed logic for detect text

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dhanabalan
2025-10-25 09:02:56 +05:30
parent ffc742914f
commit 2bf73c3ac2
1 changed files with 17 additions and 16 deletions
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31
resources/views/fields/camera-capture.blade.php
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@@ -517,37 +517,38 @@ function cameraCapture() {
if (!video.videoWidth) return; if (!video.videoWidth) return;
// Clear overlay first
ctx.clearRect(0, 0, overlay.width, overlay.height);
// Draw current video frame to temp canvas
const tempCanvas = document.createElement("canvas"); const tempCanvas = document.createElement("canvas");
tempCanvas.width = video.videoWidth; tempCanvas.width = video.videoWidth;
tempCanvas.height = video.videoHeight; tempCanvas.height = video.videoHeight;
const tempCtx = tempCanvas.getContext("2d"); const tempCtx = tempCanvas.getContext("2d");
tempCtx.drawImage(video, 0, 0); tempCtx.drawImage(video, 0, 0);
const result = await Tesseract.recognize( // Use Tesseract worker for better performance
tempCanvas.toDataURL(), if (!this.worker) {
"eng", this.worker = Tesseract.createWorker({
{ logger: m => console.log(m)
logger: m => console.log(m), });
tessedit_char_whitelist: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" await this.worker.load();
await this.worker.loadLanguage('eng');
await this.worker.initialize('eng');
} }
);
const words = result.data.words; const { data: { words } } = await this.worker.recognize(tempCanvas);
ctx.clearRect(0, 0, overlay.width, overlay.height);
ctx.strokeStyle = "lime"; ctx.strokeStyle = "lime";
ctx.lineWidth = 3; ctx.lineWidth = 2;
words.forEach(w => { words.forEach(w => {
if (!w.bbox || w.confidence < 70) return; // ✅ Ignore low confidence if (!w.bbox || w.confidence < 50) return;
const { x0, y0, x1, y1 } = w.bbox; const { x0, y0, x1, y1 } = w.bbox;
ctx.strokeRect(x0, y0, x1 - x0, y1 - y0); ctx.strokeRect(x0, y0, x1 - x0, y1 - y0);
}); });
}, },
// startDetection() {
// setInterval(() => this.detectText(), 700);
// },
startDetection() { startDetection() {
if (this.textDetectionInterval) { if (this.textDetectionInterval) {
clearInterval(this.textDetectionInterval); clearInterval(this.textDetectionInterval);