sujalmh / AI-Powered-Surveillance-System-with-Natural-Language-based-Querying

Analysis Period: 30 Days (Feb 12 – Mar 4, 2026)

This project transforms passive CCTV video streams into a searchable, proactive intelligence asset. It integrates computer vision, deep learning, and Natural Language Processing (NLP) to enable real-time monitoring, crowd density estimation, and forensic video retrieval using conversational queries.

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Leaderboard

4 collaborators · ranked by impact

Every collaborator as a stat card — Impact, Quality, Collab, Consistency and a Total score.

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Team Health

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Team Health · Risk

Activity Feed

most recent first

sujnankumar Completed improve color accuracy with CIEDE2000 scaling and family matching

187d ago

sujalmh Advanced pull request work

187d ago

sujnankumar Advanced optimize mask extraction order and thresholding in object detection

188d ago

sujnankumar Reviewed PR #26 with commented

188d ago

sujnankumar Reviewed PR #26 with commented

188d ago

sujnankumar Advanced improve timeout handling and mask thresholding across modules

188d ago

sujnankumar Advanced optimize mask erosion fallback and queue operations

188d ago

sujnankumar Proposed improve color accuracy with CIEDE2000 scaling and family matching

188d ago

sujnankumar Advanced Merge branch 'main' of https://github.com/sujnankumar/AI Powered Surveillance…

188d ago

sujnankumar Advanced improve color accuracy with CIEDE2000 scaling and family matching

188d ago

sujnankumar Advanced Merge branch 'sujalmh:main' into main

188d ago

sujnankumar Advanced improve color accuracy with mask erosion and original ROI

188d ago

sujnankumar Advanced extract alert behavior from natural language input

188d ago

sujnankumar Advanced enhance error logging for stale conversion file cleanup

188d ago

sujnankumar Completed correct video clip timing by accounting for FPS mismatch

188d ago

sujalmh Advanced pull request work

188d ago

sujnankumar Advanced improve video clip timing with piecewise FPS mapping and reuse moov detection

188d ago

sujnankumar Advanced extract build embedding text function and improve robustness

188d ago

sujnankumar Advanced handle corrupt MP4 recordings missing moov atom at startup

188d ago

sujnankumar Proposed correct video clip timing by accounting for FPS mismatch

188d ago

sujnankumar Advanced correct video clip timing by accounting for FPS mismatch

188d ago

sujnankumar Advanced add CLIP optimized embedding text and object type filtering

188d ago

sujnankumar Advanced improve MP4 validation and add ffmpeg stdin handling

188d ago

sujnankumar Advanced add dense window clip trimming and result merging

188d ago

sujnankumar Completed fixing chat response issue, timezone management.

188d ago

sujalmh Advanced pull request work

188d ago

sujnankumar Advanced extract enrich detected object helper to eliminate duplicate code

188d ago

sujnankumar Advanced Implement a new chat API with natural language query parsing, conversational…

189d ago

sujnankumar Advanced Implement hybrid search, semantic video indexing, object detection, attribute…

189d ago

sujnankumar Advanced Implement chat API with natural language processing for queries and conversat…

189d ago

sujnankumar Advanced add multi color detection with upper/lower body color support

189d ago

sujnankumar Advanced Implement a chat interface with natural language processing for data retrieva…

189d ago

sujnankumar Proposed fixing chat response issue, timezone management.

189d ago

sujnankumar Advanced handle conversational messages with fast path and LLM responses

189d ago

sujnankumar Advanced add IST timezone support for timestamp display

189d ago

sujnankumar Completed enhance MJPEG streaming with stall detection and improve video playback

189d ago

sujalmh Advanced pull request work

189d ago

sujnankumar Proposed enhance MJPEG streaming with stall detection and improve video playback

189d ago

sujnankumar Advanced enhance MJPEG streaming with stall detection and improve video playback

189d ago

sujnankumar Advanced improve search precision, thread safety, and fix bugs

189d ago

sujalmh Completed Refactor logging to use Loguru across multiple services

189d ago

sujalmh Advanced pull request work

189d ago

sujalmh Proposed Refactor logging to use Loguru across multiple services

189d ago

sujalmh Advanced Refactor logging to use Loguru across multiple services

189d ago

sujnankumar Advanced improve precision with relevance scoring, thresholds, and caps

189d ago

sujnankumar Advanced improve retrieval precision by tightening thresholds and limits

189d ago

sujnankumar Advanced Merge branch 'sujalmh:main' into main

189d ago

sujalmh Advanced pull request work

189d ago

sujalmh Completed Enhance chat and retrieval processes

189d ago

sujalmh Proposed Enhance chat and retrieval processes

189d ago

sujalmh Advanced standardize indentation in time formatting utility and video queue hook

189d ago

sujalmh Advanced add video indexing dashboard components and hooks

189d ago

sujnankumar Advanced Merge branch 'sujalmh:main' into main

189d ago

sujnankumar Advanced Implement video clip generation from snapshots, including FFmpeg H.264 conver…

189d ago

sujalmh Completed Enhance chat and retrieval processes with detailed processing s…

189d ago

sujalmh Advanced pull request work

189d ago

sujalmh Advanced Improve error handling for pending sessions and enhance video duration tracki…

189d ago

sujalmh Advanced Enhance timestamp handling in fallback logic for unified retrieval and refact…

189d ago

sujalmh Proposed Enhance chat and retrieval processes with detailed processing s…

189d ago

sujalmh Advanced Enhance chat and retrieval processes with detailed processing steps tracking

189d ago

sujnankumar Completed enhancing object detection and clip generation

190d ago

sujalmh Advanced pull request work

190d ago

sujnankumar Reviewed PR #19 with commented

190d ago

sujnankumar Advanced Implement service for building video clips from snapshots and recordings with…

190d ago

sujnankumar Reviewed PR #19 with commented

190d ago

sujnankumar Reviewed PR #19 with commented

190d ago

sujnankumar Advanced add input output size mismatch check and improve sigmoid handling in person a…

190d ago

sujnankumar Advanced enhance error handling in video processing and clip building functions

190d ago

sujnankumar Advanced resolve normalization bug and improve system robustness

190d ago

sujnankumar Advanced improve error handling and refactor camera operations

190d ago

sujnankumar Proposed enhancing object detection and clip generation

190d ago

sujnankumar Advanced Implement core object detection, tracking, and attribute recognition services…

191d ago

sujnankumar Advanced implement unified hybrid retrieval engine combining structured and semantic s…

191d ago

sujnankumar Advanced introduce natural language query parsing service and update gitignore to excl…

191d ago

sujnankumar Advanced introduce services for model downloading, semantic image captioning with Qwen…

192d ago

sujnankumar Advanced implement core object detection, tracking, and attribute recognition pipeline…

192d ago

sujnankumar Advanced Add API endpoints for video management, streaming, upload, object detection,…

192d ago

sujalmh Advanced Enhance backend structure by centralizing configuration, improving logging, a…

197d ago

sujnankumar Reviewed PR #14 with commented

197d ago

sujnankumar Reviewed PR #14 with commented

197d ago

sujnankumar Reviewed PR #14 with commented

197d ago

sujnankumar Reviewed PR #14 with commented

197d ago

sujalmh Advanced pull request work

197d ago

sujnankumar Completed latest changes suggested by coderabbit

197d ago

sujnankumar Reviewed PR #14 with commented

197d ago

sujnankumar Reviewed PR #14 with commented

197d ago

sujnankumar Proposed latest changes suggested by coderabbit

197d ago

sujnankumar Advanced Implement core backend API with chat functionality and a new frontend alerts…

197d ago

sujnankumar Advanced Add package lock.json to lock dependencies.

197d ago

sujalmh Advanced pull request work

197d ago

sujnankumar Completed Implement chat API with natural language processing for filtering and integra…

197d ago

sujnankumar Advanced Initialize core backend application with configuration, FastAPI setup, chat A…

197d ago

sujnankumar Proposed Implement chat API with natural language processing for filtering and integra…

197d ago

sujnankumar Advanced Implement chat API with natural language processing for filtering and integra…

197d ago

sujnankumar Advanced Implement alerts management UI including a table and enhance query results di…

197d ago

sujnankumar Completed update: updated alert creation in both alert dashboard and in coversation page

198d ago

sujalmh Advanced pull request work

198d ago

sujnankumar Advanced Add chat router with natural language parsing for detection queries and intro…

198d ago

sujnankumar Advanced Add alerts management table and camera status display.

198d ago

sujnankumar Advanced Implement a Recent Alerts dashboard component that displays and streams alert…

198d ago

sujnankumar Reviewed PR #13 with commented

198d ago

sujnankumar Advanced build: generate package lock file

198d ago

sujnankumar Advanced Merge branch 'main' of https://github.com/sujnankumar/AI Powered Surveillance…

198d ago

sujnankumar Advanced Add LLM based answer generation service, alert engine, and API routes for cha…

198d ago

sujnankumar Advanced Merge branch 'sujalmh:main' into main

198d ago

sujnankumar Advanced Introduce real time alert engine, LLM answer generator, and API endpoints for…

198d ago

sujnankumar Advanced Introduce chat API with natural language parsing for query filtering and answ…

198d ago

sujalmh Advanced implement initial frontend application with core pages, components, and styli…

198d ago

sujnankumar Proposed update: updated alert creation in both alert dashboard and in coversation page

198d ago

sujnankumar Advanced Merge branch 'main' of https://github.com/sujnankumar/AI Powered Surveillance…

198d ago

sujnankumar Advanced Add chat API with natural language query parsing for filtering and message ma…

198d ago

sujalmh Advanced Merge branch 'main' of https://github.com/sujalmh/AI Powered Surveillance Sys…

198d ago

sujalmh Advanced Merge branch 'main' of https://github.com/sujalmh/AI Powered Surveillance Sys…

198d ago

sujalmh Advanced setup script.

198d ago

sujnankumar Completed use local time for alert, chat, anomaly timestamps

198d ago

sujalmh Advanced pull request work

198d ago

sujnankumar Advanced improve error handling and datetime consistency in anomaly detection and medi…

198d ago

sujnankumar Advanced normalize datetime handling across API endpoints and services

198d ago

sujnankumar Advanced Merge branch 'main' of https://github.com/sujalmh/AI Powered Surveillance Sys…

198d ago

sujnankumar Advanced standardize UTC timestamp handling across API endpoints

198d ago

Yashas-Shetty Completed Implement zone management for crowd detection, including zone c…

198d ago

sujalmh Advanced pull request work

198d ago

sujalmh Advanced Merge branch 'main' into main

198d ago

sujnankumar Proposed use local time for alert, chat, anomaly timestamps

198d ago

sujnankumar Advanced Merge branch 'main' of https://github.com/sujalmh/AI Powered Surveillance Sys…

198d ago

sujnankumar Advanced use local time for alert, chat, anomaly timestamps

199d ago

Yashas-Shetty Advanced Enhance natural language query parsing to include crowd synonyms for count co…

200d ago

sujalmh Advanced pull request work

200d ago

Suhan-D-Shet Completed Alert engine setup.

200d ago

Yashas-Shetty Advanced Enhance object detection logging and improve zone bounding box validation. Ad…

200d ago

Yashas-Shetty Proposed Implement zone management for crowd detection, including zone c…

200d ago

Yashas-Shetty Advanced Implement zone management for crowd detection, including zone creation, updat…

200d ago

Suhan-D-Shet Proposed Alert engine setup.

205d ago

Suhan-D-Shet Advanced Merge branch 'sujalmh:main' into main

205d ago

sujalmh Advanced pull request work

205d ago

sujnankumar Completed Update/chat functionality

205d ago

sujnankumar Advanced Merge branch 'main' into update/chat functionality

205d ago

sujnankumar Proposed Update/chat functionality

205d ago

Suhan-D-Shet Proposed Add Intel OpenVINO model for person attribute recognition and g…

205d ago

sujnankumar Completed Implement chat API with natural language parsing, unified retri…

205d ago

sujnankumar Proposed Implement chat API with natural language parsing, unified retri…

205d ago

Yashas-Shetty Completed Implement natural language query parsing service using LLMs to …

205d ago

Yashas-Shetty Proposed Implement natural language query parsing service using LLMs to …

205d ago

sujnankumar Completed Fix/update dashboard

205d ago

sujnankumar Proposed Fix/update dashboard

206d ago

Yashas-Shetty Completed Add system configuration for LLM, indexing, and system reset wi…

206d ago

Yashas-Shetty Proposed Add system configuration for LLM, indexing, and system reset wi…

206d ago

sujnankumar Completed Enhance answer generation and natural language parsing capabilities

206d ago

sujnankumar Proposed Enhance answer generation and natural language parsing capabilities

206d ago

sujnankumar Completed Fix/UI update

206d ago

sujnankumar Proposed Fix/UI update

206d ago

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AI Insights

Per-person findings

The repository saw a burst of development focused on strengthening natural language querying, video retrieval and clip generation, streaming reliability, and detection accuracy. Two contributors shipped a series of PRs adding chat/NLP capabilities, unified retrieval pipelines, and backend robustness improvements.

Merged 'Enhance chat and retrieval processes'…Added video clip generation from snapshots…Stabilize the recently merged large features…Increase review coverage on future PRs…3 active risks

Single-Owner Risk

Object detection, tracking, and attribute recognition pushes were all authored by sujnankumar.

Single-Owner Risk

Video clip generation and MP4 timing correction changes were exclusively pushed by sujnankumar.

Single-Owner Risk

Color accuracy and CIEDE2000 color matching work was exclusively pushed by sujnankumar.

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