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I need a machine-learning expert who can take raw time-series signals and turn them into accurate, production-ready models. The entire effort revolves around signal processing—filtering, denoising, feature extraction—and then building, training, and validating models that make reliable predictions from those signals. The data you will handle arrives as multichannel time-series streams. You will decide on the best preprocessing pipeline (e.g., wavelet or FFT filtering, adaptive smoothing, normalization), engineer features, and then implement and compare models such as CNNs, transformers, or traditional algorithms if they outperform deep nets for this context. Python is my preferred stack; NumPy, SciPy, scikit-learn, PyTorch or TensorFlow should feel second nature to you. Robust documentation and clear, reproducible notebooks/scripts are mandatory so the pipeline can be audited and extended later. To be considered, include a detailed project proposal that outlines: • the end-to-end workflow you intend to follow, • the specific algorithms or architectures you would start with and why, • the evaluation strategy (cross-validation approach and metrics), • an estimated timeline broken into milestones. Deliverables I expect: 1. Clean, well-commented code or notebooks covering preprocessing through model deployment. 2. A concise technical report summarizing methods, results, and next-step recommendations. 3. A short hand-off session (recorded video or live call) walking me through the pipeline and highlighting retraining steps. I will review proposals on their clarity, feasibility, and how well they anticipate common pitfalls in time-series ML such as non-stationarity, class imbalance, and overfitting.
Project ID: 40517496
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46 freelancers are bidding on average ₹7,747 INR for this job

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Matlab, Python, and similar tools. I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr
₹37,000 INR in 7 days
7.6
7.6

Hi,I have 7+ years of experience in both AI and Data Science, I have developed an exceptional skill set that resonates perfectly with your needs. I've successfully completed over 121 projects, making me one of the preferred freelancers, which speaks to my professionalism and commitment. In addition, my competence in ML frameworks like Pytorch and TensorFlow, as well as other necessary tools like NumPy, SciPy, scikit-learn make me adept at handling and processing multichannel time-series data.
₹6,500 INR in 3 days
6.4
6.4

As a well-rounded ML specialist, my expertise extends into various areas that align perfectly with your project. I have a deep understanding of time-series signal processing, having developed robust ML models capable of handling multichannel temporal data throughout my career. My proficiency in Python, as well as my familiarity with essential libraries like NumPy, SciPy, scikit-learn, PyTorch and TensorFlow, will allow me to quickly navigate through the pipeline for efficient preprocessing and model training. I also prioritize clean and well-commented code which would be instrumental in ensuring the transparency and reproducibility of the entire workflow. To tackle this project effectively, I propose an end-to-end workflow that begins with waveform or FFT filtering to remove noise and artifacts. Afterward, adaptive smoothing techniques can be implemented along with normalization for feature extraction. For models, I would start with Convolution Neural Networks (CNNs) and Transformer architectures due to their effectiveness in processing temporal data like yours. However, keeping an open mindset, I will not shy away from incorporating traditional algorithms if they prove superior.
₹20,000 INR in 7 days
6.3
6.3

With my proficiency in Artificial Intelligence particularly in the fields of Machine Learning and Deep Learning, I am more than equipped for the project ML Time-Series Signal Processing. Working extensively in Python, NumPy and SciPy are second nature to me, a skill set that matches your preferred stack. My robust documentation and clear communication strategies are tailored to maximize the auditability of pipelines - a crucial aspect you highlighted. To outline my proposed workflow, I'll start by exploring and applying a combination of filtering methods such as wavelet or FFT filtering alongside adaptive smoothing for noise reduction. This will be followed by careful feature engineering to extract valuable insights. From there, I plan to employ models like CNNs, transformers, or traditional algorithms if deemed fit. However, I always prioritize performance over popularity and will listen closely to the signals your data provides and pivot when needed. Regarding evaluation, my preferred approach is cross-validation with metrics including but not limited to accuracy, recall and F1-score. I make data-driven decisions anticipating common pitfalls like non-stationarity, class imbalance and overfitting associated with time-series ML applications. Finally, I will ensure that the deliverables align directly with your expectations: clean code, concise technical report summarizing methods & results while simultaneously offering actionable next-step recommendations
₹7,000 INR in 2 days
5.8
5.8

I'm a signal processing and deep learning specialist with hands-on experience in multichannel time-series analysis and production ML systems. My proposed end-to-end workflow: (1) Exploratory signal analysis identifying stationarity, autocorrelation, and frequency content via spectral methods; (2) Preprocessing pipeline combining adaptive filtering (Butterworth/Chebyshev), wavelet denoising, and normalization tailored to signal characteristics; (3) Feature engineering extracting time-domain (statistical moments, entropy), frequency-domain (FFT bins, spectral power), and wavelet-based features; (4) Model comparison starting with traditional baselines (ARIMA, Random Forest) before advancing to CNNs, LSTMs, and Transformers, selecting based on validation performance; (5) Rigorous cross-validation using time-series-aware splits (walk-forward validation) to prevent leakage, with stratified splits for class imbalance handling via weighted loss or SMOTE. Evaluation metrics include MAE/RMSE for regression, precision/recall/F1 for classification, with emphasis on out-of-sample generalization.
₹8,000 INR in 7 days
6.1
6.1

Hi, I'm a Python specialist with the necessary skills to complete your project. I have skill sets for: • Analyze data sets using Python and the specified libraries. • Provide insights and visualizations based on the analysis. • Clean and preprocess data to ensure accuracy and reliability. • Develop custom Python functions/scripts to automate routine tasks. • Generate detailed reports to summarize findings and present data insights. • Ensure integrity and accuracy of data throughout the analysis process. • Support hypothesis testing and statistical analyses for data-driven decisions. • Create compelling data visualizations using libraries such as Matplotlib and Seaborn. • Identify and interpret data trends and patterns for predictive analysis. • Optimize and streamline data analysis workflows for efficiency. • Familiarity with Kaggle datasets and tools. I already worked on Time Series of data specifically with the use of Pandas and NumPy for Sequence of data includes Automated stock trading, Stock prices, Weather and classification on series data. My track record of success with similar projects is proof that I can deliver results quickly and accurately. If you're interested in hearing more about how I could help you, please don't hesitate to reach out! I can provide the requirements with minimum time and cost.
₹7,000 INR in 7 days
5.9
5.9

Hi, I am a data analyst/statistician and Economist with more than 6 years of experience. I can do your project, Please take time to check my profile and then you decide to contact me.
₹5,000 INR in 2 days
4.9
4.9

The modelling part is usually less difficult than getting the signal pipeline right. With multichannel time-series data, a lot depends on noise characteristics, sampling frequency, label quality, and how non-stationarity is handled. I've seen transformer models underperform much simpler approaches because the preprocessing and validation strategy weren't aligned with the data. My workflow would start with signal analysis, filtering, feature extraction, and baseline models before moving to deeper architectures. I'd compare FFT/wavelet-based features, statistical and frequency-domain features, then benchmark traditional models against 1D CNNs and transformer variants. Evaluation would use time-aware cross-validation rather than random splits to avoid leakage, with specific checks for class imbalance, concept drift, and overfitting. Milestones would be: data exploration and preprocessing, feature engineering and baselines, deep-learning experiments, final model selection, documentation, and handoff. One important detail that affects the entire approach: is the target prediction classification, regression, anomaly detection, or forecasting?
₹1,500 INR in 7 days
4.4
4.4

Hi, I'm a data analyst, statistician, and economist with over six years of experience. I understand the requirements of your project and have the skills to deliver high-quality results. To better tailor my approach, could you please review my profile for more details on my previous work and client feedback. Looking forward to your response. Best regards,
₹6,000 INR in 2 days
4.4
4.4

Hi,I am seasoned Applied ML Engineer(6+ yoe) & I can build an end-to-end Python pipeline for multichannel time-series ML,covering signal cleaning,denoising,feature extraction,model comparison,validation,documentation,& retraining handoff Proposed Approach: -EDA & Signal Processing:Analyze signal characteristics (stationarity,noise,class balance)& implement robust preprocessing (windowing,FFT/wavelet extraction) with strict data leakage prevention -Modeling Strategy:Benchmark classical ML baselines using engineered features prior to evaluating complex deep learning architectures (1D-CNN,CNN-LSTM,Transformers) -Validation:Execute time-aware cross-validation& report task-appropriate metrics (RMSE/MAE for regression;F1,precision/recall,AUC for classification) Relevant Experience: -Predictive Maintenance & RUL:Engineered industrial pipelines for multichannel vibration signals,extracting FFT,time-domain,& EWMA features to model degradation & Remaining Useful Life -Time-Series Anomaly Detection:Built robust pipelines for noisy sensor& tool-condition data,applying smoothing & windowed features to mitigate non-stationarity & false alarms -PHM & Reliability Engineering:Developed health-monitoring workflows utilizing Mahalanobis scoring & Weibull modeling to evaluate equipment prognosability& failure risk -Technical Documentation:Authored reproducible research notebooks& stakeholder reports detailing signal-processing methodologies,feature engineering logic,& model limitations
₹8,000 INR in 2 days
4.1
4.1

As an experienced machine learning expert and the head of a dedicated team, I believe my skill set aligns perfectly with your project requirements. Over the years, I've handled numerous projects that involved transforming raw time-series signals into production-ready models just as you need. My grasp of filtering, denoising, extraction techniques combined with proficiency in Python (NumPy, SciPy) will bring value to your project. My approach will involve a robust preprocessing pipeline tailored to your data's needs- incorporating the right techniques like wavelet or FFT filtering, adaptive smoothing and normalization. This will ensure high-quality data for further processing and model training which will then be implemented using powerful algorithms such as CNNs, transformers, or traditional ones in case they outperform deep nets in this context. Evaluation is core to my approach, thus I will employ rigorous cross-validation methodology using appropriate metrics to guarantee optimal model performance. I'm also committed to ensuring all aspects of the project are well-documented for reproducibility and future auditing. Engineering a clean, well-commented code or notebook covering preprocessing through model deployment is an area I thrive in. Coupled with this, you can expect a concise technical report summarizing methods used, obtained results and my unbiased recommendations for subsequent steps.
₹7,500 INR in 7 days
3.7
3.7

Hi, I understand you need a Signal Processing & Machine Learning Expert using Python for Time-Series Signal Processing. I offer my services for this project. I have made many Signal Processing & Machine Learning based projects using Python as follows; • Speech Recognition System using Bayesian Framework. • Prediction of Solar Radiance using SVM & Bayesian Ridge. • Time Series Price Forecasting using Random Forest. • QPSK modulation of the quantized speech signal. • Generating binary messages using Filtering and Fourier series. • Predict Johnson & Johnson data using ARIMA & LSTM. • Stock Price Prediction of Amazon data & bank data using ARIMA & LSTM. • Handwritten Digit Recognition using Fourier response & SVM polynomial. • Classification of CIFAR-10 using different NN models. • Classification of London Fire Brigade incidents 2019-2022 data using Decision Tree. • IOT Attacks Prediction using SVM, Decision Tree & Random Forest. • Prediction extent of disease of ECG data using Random Forest & SVM. • Sign Language Recognition using SVM with normalization, standardization & data reduction. • Classification of dementia disease using XGboost & Logistic Regression. • Data analysis of Sensor data using multi-variate Linear Regression, Correlation, Normalization & Regularization. I will provide an evaluation report containing F1 Score, precision, recall, & confusion matrix. I ensure to complete your project efficiently and on time.
₹3,000 INR in 3 days
3.5
3.5

Hi, I can develop a complete time-series machine learning pipeline covering signal preprocessing, feature engineering, model development, evaluation, and deployment. I have experience with Python, NumPy, SciPy, Scikit-learn, PyTorch, TensorFlow, Signal Processing, FFT, Wavelet Transform, CNNs, Transformers, and Time-Series Analytics. My approach would include signal filtering and denoising, normalization, feature extraction, model benchmarking across traditional ML and deep learning architectures, and robust evaluation using appropriate validation strategies and performance metrics. I also have experience handling common challenges such as non-stationarity, class imbalance, overfitting, and noisy multichannel signals. The final deliverables will include clean and reproducible code, technical documentation, performance analysis, and a walkthrough of the complete pipeline and retraining process. Please let me know further. Thanks.
₹12,000 INR in 7 days
3.5
3.5

ML TIME-SERIES SIGNAL PIPELINE Your project is a strong fit for my Python, Machine Learning, Data Analysis, and Signal Processing experience. I can turn raw multichannel streams into a reproducible, production-ready pipeline with clear documentation and validation. 1. Workflow - Audit the signals, sampling rates, missing data, and class balance. - Build preprocessing in NumPy and SciPy: filtering, denoising, normalization, windowing, and leakage-safe splits. - Engineer time, frequency, and wavelet features, then compare them with learned features from CNNs or transformers. - Train baseline models first, then deep models only where they add value. 2. Evaluation - Use stratified or blocked cross-validation depending on temporal dependence. - Track F1, ROC-AUC, precision, recall, confusion matrix, and calibration. - Check robustness against non-stationarity and overfitting with ablation tests. 3. Deliverables - Clean notebooks or scripts from preprocessing to model inference. - Concise technical report with methods, results, and retraining notes. - Hand-off session by live call or recorded walkthrough. I would start with classical signal features plus a strong baseline model, then move to CNN or 1D sequence models if the data supports it. For this scope, I propose 12 days and 12,500 INR, which is a fair fixed price for the full pipeline, documentation, and handoff. Coretus Technologies https://www.freelancer.com/u/coretus
₹12,500 INR in 12 days
3.2
3.2

Hello, I have experience in **Machine Learning, Time-Series Analysis, and Signal Processing** and can help develop accurate models for forecasting, pattern detection, anomaly detection, feature extraction, and predictive analytics. Time-Series Data Analysis & Preprocessing Signal Filtering & Feature Engineering ML/DL Models (LSTM, GRU, XGBoost, Random Forest) Forecasting, Classification & Anomaly Detection Python, NumPy, Pandas, SciPy, TensorFlow, PyTorch Clear Documentation & Results Visualization I can deliver a reliable and scalable solution tailored to your project requirements. Looking forward to discussing your dataset and goals. Best Regards web n soft solution
₹8,000 INR in 10 days
3.0
3.0

Greetings, With a robust background in statistics and data science, complemented by a prolific academic writing portfolio, I am well-equipped to tackle complex data-driven challenges. My expertise is rooted in the successful completion of numerous PhD-level thesis projects, where I employed advanced statistical methodologies to extract meaningful insights from diverse datasets. My professional journey has been marked by collaborations with various companies, leading to projects that demanded high-level quantitative analysis and data interpretation. These projects enabled me to delve into trend analysis, temporal behaviour studies, and comparative assessments of data variables. I possess proficiency in a suite of analytical tools, including SPSS, R, Python, OpenCV, WEKA, Tableau, Power BI, and Excel. My skill set extends to sophisticated techniques such as image processing, machine learning, deep learning, artificial intelligence, natural language processing, hypothesis testing, forecasting, T-tests, and ANOVA, among others. I am eager to engage in discussions that leverage my comprehensive skill set to provide innovative solutions in AI and ML domains. Warm regards, Radhika
₹25,000 INR in 7 days
2.1
2.1

As a seasoned Machine Learning (ML) expert, my robust skill set in Deep Learning and Python perfectly aligns with your project needs. I understand the criticality of signal processing in time-series data and I'm proficient at tackling complex pieces from preprocessing to model deployment. My expertise with libraries like NumPy, SciPy, scikit-learn, PyTorch, and TensorFlow make the task flow seamlessly as they are native to me.
₹7,000 INR in 7 days
2.0
2.0

As a specialized AI and Data Engineering expert, I offer the holistic skill set needed to successfully tackle your ML Time-Series Signal Processing project. My experience encompasses all the elements you're seeking, including signal processing, filtering, denoising, feature extraction, model building and evaluation. Furthermore, my areas of expertise with Python – such as NumPy and PyTorch – align perfectly with your stack preferences. To ensure transparency and auditability in this project's pipeline for future use, my lifelong commitment to robust documentation is guaranteed. By delivering clean code or notebooks coupled with a concise but comprehensive technical report, your ML models will be transparently traceable from pre-processing through model deployment. With my deep technical expertise and a business-first mindset honed over years of working across diverse industries like finance, healthcare and enterprises, I am well-prepared for whatever pitfalls time-series ML might throw at us – notably non-stationarity, class imbalance or overfitting.
₹6,500 INR in 7 days
2.7
2.7

Hi, here's my proposed approach: Workflow: Load multichannel signals → apply FFT-based filtering to remove high-frequency noise, followed by wavelet denoising for non-stationary components → normalize per-channel → engineer features (spectral energy bands, statistical moments, rolling window stats) → train and compare models. Architecture: I'd start with a 1D-CNN baseline (efficient, good at local pattern extraction in multichannel signals), then compare against an LSTM or lightweight Transformer if long-range temporal dependencies matter for your signal type. I'd also benchmark against gradient-boosted trees on engineered features sometimes outperforms deep nets on smaller time-series datasets. Evaluation: Time-series-aware cross-validation (walk-forward, not random k-fold, to avoid leakage), tracking RMSE/MAE for regression or F1/AUC for classification depending on your target, with explicit checks for non-stationarity drift between folds. Timeline: I can deliver this in 2 days Day 1: preprocessing pipeline, feature engineering, and initial model training/comparison. Day 2: evaluation, documentation, and the hand-off call. Could you clarify whether this is a classification or regression target, and roughly how many channels/sampling rate we're working with? That affects my architecture recommendation.
₹6,000 INR in 2 days
1.8
1.8

Hi, I'm an ML engineer specialising in time-series and signal processing — I've built production pipelines for multichannel sensor data using CNNs and transformer architectures. My approach: • Design preprocessing pipeline: wavelet/FFT filtering, adaptive smoothing, and normalisation tailored to your signal characteristics • Engineer robust features from the processed signals — frequency domain, statistical, and temporal • Implement and benchmark models: 1D-CNN, TCN, and Transformer variants with proper train/val/test splits • Apply cross-validation and hyperparameter tuning to ensure reliable generalisation on unseen data • Deliver clean, documented Python code with reproducible results and a clear report on model performance Can start immediately. Happy to discuss your specific signal type, target prediction task, and any domain constraints before we begin.
₹12,500 INR in 14 days
0.8
0.8

Ahmedabad, India
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