analytics

lrslibrary: Video Background Removal

Name: lrslibrary: Video Background Removal
Author: andrewssobral

Remove video backgrounds with lrslibrary, a MATLAB toolkit for founders working with video analytics.

From the repo · “Low-Rank and Sparse Tools for Background Modeling and Subtraction in Videos”

888 stars377 forksMATLABGuide quality 8/10 · reviewed Aug 9Updated 11/22/2025100% free · open source

What it does

The lrslibrary tool is used for background modeling and subtraction in videos using low-rank and sparse techniques.

When to use it

•When you need to separate the foreground from the background in a video for object detection or tracking
•When you want to remove noise or unwanted elements from video footage
•When you need to apply background subtraction for surveillance, traffic monitoring, or other video analytics applications

Ready-to-paste prompt

[L, S] = lrs_decomposition(vidFrames, 0.1, 50); imshow(L);

Heads up: The lrslibrary requires the MATLAB environment to be installed and configured properly, and the user needs to have a basic understanding of MATLAB syntax and video processing concepts to use the tool effectively

Saves to your device

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

✅ Light setup

Installs with a command or two; your AI agent can do it for you.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/lrslibrary && curl -fsSL https://workflowstacks.com/api/skills/lrslibrary/claude-skill -o ~/.claude/skills/lrslibrary/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

What's inside — free to inspect

No purchase needed

Read the entire source before you build — unlike paid marketplaces that hide it behind a buy button.

top-level files

folders

63.3M

source size

—

license

Key files

README.md

File tree

algorithms/

dataset/

figs/

gui/

libs/

output/

utils/

.gitignore

.gitmodules

algorithms_by_group.png

algorithms_by_speed.png

algorithms.xlsx

demo.m

get_algorithm_info_by_desc.m

get_algorithm_list.m

get_algorithm_name_by_id.m

get_method_id.m

get_method_list.m

get_method_name_by_id.m

hard_threshold.m

load_algorithm_list.m

load_method_list.m

lrs_algorithms.dat

lrs_gui.m

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

✅ Light setup

Installs with a command or two; your AI agent can do it for you.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/lrslibrary && curl -fsSL https://workflowstacks.com/api/skills/lrslibrary/claude-skill -o ~/.claude/skills/lrslibrary/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Quick Actions

Details

Creator

andrewssobral

Language

MATLAB