diff --git a/public/js/exhibit.js b/public/js/exhibit.js
index 8680053..c83069d 100644
--- a/public/js/exhibit.js
+++ b/public/js/exhibit.js
@@ -240,8 +240,10 @@ let frameCount = 0;
 function loop(t) {
   requestAnimationFrame(loop);
   if (video && video.readyState >= 2) {
-    // downscale for detection speed
-    const W = 640;
+    // downscale for detection speed. 960px (was 640) — corner precision scales with
+    // resolution, so higher W directly reduces raw pose jitter; 960 balances that
+    // against per-frame CPU. See fuse.js OneEuro filter for the temporal half.
+    const W = 960;
     const H = Math.round(W * video.videoHeight / video.videoWidth);
     if (canvas2d.width !== W) { canvas2d.width = W; canvas2d.height = H; }
     ctx2d.drawImage(video, 0, 0, W, H);