motion_frames = [] frame_idx = 0
| Intent | Real tool or method | |--------|---------------------| | Find a web-based multi-camera viewer with motion alerts at high bitrate | (open source NVR) or Frigate with a Google Coral TPU | | Locate academic datasets for multi-frame motion analysis (extra quality = raw) | NTU RGB+D , CMU Panoptic Dataset , or THUMOS indexed with inurl:multicam | | Configure an FFmpeg command for multi-camera stitching with motion detection | ffmpeg -filter_complex "[0:v][1:v]xstack=inputs=2:layout=0_0|w0_0[motion];[motion]select='gt(scene,0.4)'" | | Build a Google Cloud Function that triggers on motion in multi-camera frames | Cloud Run + Pub/Sub + Video Intelligence API | | Find a Chrome extension or WebCodecs demo for mode=motion | Search GitHub: inurl:blob multicameraframe mode motion | extra+quality+inurl+multicameraframe+mode+motion+google+work
import cv2 import numpy as np from google.cloud import storage def motion_mode(event, context): bucket_name = event['bucket'] blob_name = event['name'] if not blob_name.endswith("multicameraframe_extra_quality.mkv"): return motion_frames = [] frame_idx = 0 | Intent
while cap.isOpened(): ret, frame = cap.read() if not ret: break gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) diff = cv2.absdiff(prev_gray, gray) motion_score = np.mean(diff) if motion_score > 25: # threshold for "mode=motion" motion_frames.append(frame_idx) prev_gray = gray frame_idx += 1 CMU Panoptic Dataset
# Write motion timestamps to a Google Sheet (Workspace integration) # ... (Sheets API code) HTML/JS frontend hosted on Firebase or Cloud Run:
It is important to clarify at the outset: