From 2bf73c3ac2002cc528081df729bbf66b166ed10f Mon Sep 17 00:00:00 2001
From: dhanabalan <dhana@example.com>
Date: Sat, 25 Oct 2025 09:02:56 +0530
Subject: [PATCH] changed logic for detect text

---
 .../views/fields/camera-capture.blade.php     | 33 ++++++++++---------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/resources/views/fields/camera-capture.blade.php b/resources/views/fields/camera-capture.blade.php
index 7ebf365..2b32ab3 100644
--- a/resources/views/fields/camera-capture.blade.php
+++ b/resources/views/fields/camera-capture.blade.php
@@ -517,37 +517,38 @@ function cameraCapture() {
 
             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");
             tempCanvas.width = video.videoWidth;
             tempCanvas.height = video.videoHeight;
             const tempCtx = tempCanvas.getContext("2d");
             tempCtx.drawImage(video, 0, 0);
 
-            const result = await Tesseract.recognize(
-                tempCanvas.toDataURL(),
-                "eng",
-                {
-                    logger: m => console.log(m),
-                    tessedit_char_whitelist: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-                }
-            );
+            // Use Tesseract worker for better performance
+            if (!this.worker) {
+                this.worker = Tesseract.createWorker({
+                    logger: m => console.log(m)
+                });
+                await this.worker.load();
+                await this.worker.loadLanguage('eng');
+                await this.worker.initialize('eng');
+            }
 
-            const words = result.data.words;
-            ctx.clearRect(0, 0, overlay.width, overlay.height);
+            const { data: { words } } = await this.worker.recognize(tempCanvas);
 
             ctx.strokeStyle = "lime";
-            ctx.lineWidth = 3;
+            ctx.lineWidth = 2;
 
             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;
                 ctx.strokeRect(x0, y0, x1 - x0, y1 - y0);
             });
         },
-                // startDetection() {
-                //     setInterval(() => this.detectText(), 700);
-                // },
+
         startDetection() {
             if (this.textDetectionInterval) {
                 clearInterval(this.textDetectionInterval);