Everything about Constant-Q transform

🧭 Start here: a 6-step reading path

1. Read the overview: Constant-Q transformA 5-minute orientation
2. Skim a recent paper: SCQT-MaxViT: Speech Emotion Recognition With Constant-Q Transform and Multi-Axis Vision TransformerInfluential work since 2022
3. Pick up a classic book: Operations ManagementThe most-reprinted book on the subject
4. Read the landmark paper: Structure of low dielectric constant to extreme low dielectric constant SiCOH films: Fourier transform infrared spectroscopy characterizationCited 681 times
5. Go sideways: Short-time Fourier transformA closely related topic
6. Go sideways: Gabor transformA closely related topic

🏆 Landmark papers (most cited)

• Structure of low dielectric constant to extreme low dielectric constant SiCOH films: Fourier transform infrared spectroscopy characterization

  Alfred Grill, Deborah A. Neumayer · 2003 · Journal of Applied Physics · 681 citations

• Calculation of a constant Q spectral transform

  Judith C. Brown · 1991 · The Journal of the Acoustical Society of America · 672 citations

• Constant depth circuits, Fourier transform, and learnability

  Nathan Linial, Yishay Mansour, Noam Nisan · 1993 · Journal of the ACM · 345 citations

• Single‐point (constant‐time) imaging in radiofrequency Fourier transform electron paramagnetic resonance†

  Sankaran Subramanian, Nallathamby Devasahayam, Ramachandran Murugesan · 2002 · Magnetic Resonance in Medicine · 87 citations

• Bridging the gap between the short-time Fourier transform (STFT), wavelets, the constant-Q transform and multi-resolution STFT

  Carlos Mateo, Juan Antonio Talavera · 2020 · Signal, Image and Video Processing · 64 citations

• Low frequency frame-wise normalization over constant-Q transform for playback speech detection

  Jichen Yang, Rohan Kumar Das · 2019 · Digital Signal Processing · 36 citations

• Constant geometry algorithm for discrete cosine transform

  J. Takala, D. Akopian, J. Astola · 2000 · IEEE Transactions on Signal Processing · 29 citations

• Laplace Transform Method for Economic Models with Constant Proportional Caputo Derivative

  Esra Karatas Akgül, Ali Akgül, Dumitru Baleanu · 2020 · Fractal and Fractional · 29 citations

🆕 Influential since 2022

• SCQT-MaxViT: Speech Emotion Recognition With Constant-Q Transform and Multi-Axis Vision Transformer

  Kah Liang Ong, Chin Poo Lee, Heng Siong Lim · 2023 · IEEE Access · 21 citations

• On significance of constant-Q transform for pop noise detection

  Kuldeep Khoria, Ankur T. Patil, Hemant A. Patil · 2023 · Computer Speech & Language · 14 citations

• Constant Q-transform-based deep learning architecture for detection of obstructive sleep apnea

  Usha Rani Kandukuri, Allam Jaya Prakash, Kiran Kumar Patro · 2023 · International Journal of Applied Mathematics and Computer Science · 12 citations

• A sine transform based preconditioned MINRES method for all-at-once systems from constant and variable-coefficient evolutionary PDEs

  Sean Hon, Po Yin Fung, Jiamei Dong · 2023 · Numerical Algorithms · 12 citations

• The Rishi Transform method for solving multi-high order fractional differential equations with constant coefficients

  Ali Turab, Hozan Hilmi, Juan L.G. Guirao · 2024 · AIMS Mathematics · 11 citations

📚 Books worth reading

• Operations ManagementRoberta S. Russell, Bernard Taylor · 1998
• Treaty Occupationay ToxicologySuelen Queiroz · 2010
• Practical Electronics for InventorsPaul Scherz · 2000
• 📕Structural Aspects of Quantum Field Theory and Noncommutative GeometryGerhard Grensing · 2013
• Apache Solr Beginner's GuideAlfredo Serafini · 2013
• The Art and Science of Ultra-Wideband AntennasHans G. Schantz · 2005
• Radio engineer's pocket bookFrederick James Camm · 1941
• 📕Badrīvikrama Thāpāko jīvanī, vyaktitva ra sāmājika yogadānaVinoda Godāra Thāpā · 2000

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

🔗 Related topics

• Short-time Fourier transform The short-time Fourier transform (STFT) is a Fourier-related transform used to determine the sinusoidal frequency and phase content of local sections of…
• Gabor transform The Gabor transform, named after Dennis Gabor, is a special case of the short-time Fourier transform. It is used to determine the sinusoidal frequency…
• Wavelet A wavelet is a wave-like oscillation with an amplitude that begins at zero, increases or decreases, and then returns to zero one or more times. Wavelets…
• Digital signal processing Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide…
• Upsampling In digital signal processing, upsampling, expansion, and interpolation are terms associated with the process of resampling in a multi-rate digital signal…
• Wavelet transform In mathematics, a wavelet series is a representation of a square-integrable (real- or complex-valued) function by a certain orthonormal series generated…
• Spectrum analyzer A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to…
• Low-pass filter A low-pass filter is a filter that passes signals with a frequency lower than a selected cutoff frequency and attenuates signals with frequencies higher…