Files
wifi-densepose/rust-port/wifi-densepose-rs/crates/wifi-densepose-signal
ruv 95c68139bc fix: correct failing ADR-030 tests in field_model, longitudinal, and tomography
Fix 4 test failures in the ADR-030 exotic sensing tier modules:

- field_model::test_perturbation_extraction: Use 8 subcarriers with 2
  modes and varied calibration data so perturbation on subcarrier 5
  (not captured by any environmental mode) remains visible in residual.

- longitudinal::test_drift_detected_after_sustained_deviation: Use 30
  baseline days with tiny noise to anchor Welford stats, then inject
  deviation of 5.0 (vs 0.1 baseline) so z-score exceeds 2.0 even as
  drifted values are accumulated into the running statistics.

- longitudinal::test_monitoring_level_escalation: Same strategy with 30
  baseline days and deviation of 10.0 to sustain z > 2.0 for 7+ days,
  reaching RiskCorrelation monitoring level.

- tomography::test_nonzero_attenuation_produces_density: Fix ISTA solver
  oscillation by replacing max-column-norm Lipschitz estimate with
  Frobenius norm squared upper bound, ensuring convergent step size.
  Also use stronger attenuations (5.0-16.0) and lower lambda (0.001).

All 209 ruvsense tests now pass. Workspace compiles cleanly.

Co-Authored-By: claude-flow <ruv@ruv.net>
2026-03-01 21:45:47 -05:00
..

wifi-densepose-signal

Crates.io Documentation License

State-of-the-art WiFi CSI signal processing for human pose estimation.

Overview

wifi-densepose-signal implements six peer-reviewed signal processing algorithms that extract human motion features from raw WiFi Channel State Information (CSI). Each algorithm is traced back to its original publication and integrated with the ruvector family of crates for high-performance graph and attention operations.

Algorithms

Algorithm Module Reference
Conjugate Multiplication csi_ratio SpotFi, SIGCOMM 2015
Hampel Filter hampel WiGest, 2015
Fresnel Zone Model fresnel FarSense, MobiCom 2019
CSI Spectrogram spectrogram Common in WiFi sensing literature since 2018
Subcarrier Selection subcarrier_selection WiDance, MobiCom 2017
Body Velocity Profile (BVP) bvp Widar 3.0, MobiSys 2019

Features

  • CSI preprocessing -- Noise removal, windowing, normalization via CsiProcessor.
  • Phase sanitization -- Unwrapping, outlier removal, and smoothing via PhaseSanitizer.
  • Feature extraction -- Amplitude, phase, correlation, Doppler, and PSD features.
  • Motion detection -- Human presence detection with confidence scoring via MotionDetector.
  • ruvector integration -- Graph min-cut (person matching), attention mechanisms (antenna and spatial attention), and sparse solvers (subcarrier interpolation).

Quick Start

use wifi_densepose_signal::{
    CsiProcessor, CsiProcessorConfig,
    PhaseSanitizer, PhaseSanitizerConfig,
    MotionDetector,
};

// Configure and create a CSI processor
let config = CsiProcessorConfig::builder()
    .sampling_rate(1000.0)
    .window_size(256)
    .overlap(0.5)
    .noise_threshold(-30.0)
    .build();

let processor = CsiProcessor::new(config);

Architecture

wifi-densepose-signal/src/
  lib.rs                 -- Re-exports, SignalError, prelude
  bvp.rs                 -- Body Velocity Profile (Widar 3.0)
  csi_processor.rs       -- Core preprocessing pipeline
  csi_ratio.rs           -- Conjugate multiplication (SpotFi)
  features.rs            -- Amplitude/phase/Doppler/PSD feature extraction
  fresnel.rs             -- Fresnel zone diffraction model
  hampel.rs              -- Hampel outlier filter
  motion.rs              -- Motion and human presence detection
  phase_sanitizer.rs     -- Phase unwrapping and sanitization
  spectrogram.rs         -- Time-frequency CSI spectrograms
  subcarrier_selection.rs -- Variance-based subcarrier selection
Crate Role
wifi-densepose-core Foundation types and traits
ruvector-mincut Graph min-cut for person matching
ruvector-attn-mincut Attention-weighted min-cut
ruvector-attention Spatial attention for CSI
ruvector-solver Sparse interpolation solver

License

MIT OR Apache-2.0