Case Studies/PellencST
PellencST

How PellencST Cut Time-to-Model by 90%

From 6-9 months to 1 month: PellencST gained a competitive edge in the sorting machine market with Picsellia.

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90%
Time Reduction
Model development
4x
Faster Deployment
Building & deploying CV
2,500+
Machines
Operating worldwide
Company
PellencST
Waste Sorting Technology
www.pellencst.com
Overview

PellencST is a pioneering waste sorting machine manufacturer operating over 2,500 machines across 40+ countries. They collaborate with major environmental organizations like Paprec, Veolia, and Suez, serving as the market leader in France and a key international player in recycling technology.

01 — The Challenge

PellencST faced growing demand for complex sorting capabilities that traditional sensors couldn't handle. They needed to internalize AI development to stay competitive.

Complex Sorting Demands

Growing demand for complex capabilities like silicone cartridge sorting and improved paper/cardboard separation that regular sensors cannot handle.

External Development Bottleneck

Initially relied on external CV model development, creating bottlenecks when clients requested customizations or new capabilities.

Long Development Cycles

Model development took 6-9 months from start to finish, with annotation alone requiring a full month.

Real-Time Processing Needs

Sorting machines require real-time AI processing. Needed to internalize capabilities while maintaining performance.

02 — The Transformation

From challenges to solutions

Before Picsellia
  • 6-9 months for model development
  • 1 month for annotation alone
  • 1-2 months for data acquisition
  • Relied on external CV development
  • Bottlenecks in customization requests
After Picsellia
  • 1 month total time-to-model
  • 2 weeks for annotation
  • 3-4 days for data acquisition
  • Full internal AI capabilities
  • Rapid response to client needs
Using Picsellia has changed how we develop, monitor, and deploy our models. Complex CV applications are more reliable and reach production faster.
K
Kévin Alazet
Product Owner AI, PellencST
03 — The Workflow

How PellencST uses Picsellia

01
Rapid Data Acquisition

Capture and organize waste sorting images in days instead of months

02
Accelerated Annotation

Pre-annotation and structured campaigns cut labeling time in half

03
Unified Model Development

All AI tools consolidated in one platform for rapid iteration

04
Continuous Deployment

Ship models to sorting machines with lifecycle management

04 — The Solution

How Picsellia delivered

Picsellia unified PellencST's MLOps workflow, enabling them to internalize AI capabilities and respond rapidly to market demands.

Unified MLOps Platform

AI Laboratory

All AI tools consolidated in one location. Centralized repository for models, datasets, and experiments.

1
Unified platform

Pre-Annotation Capabilities

Labeling Tool

Accelerated data preparation with AI-assisted labeling. Annotation time cut from 1 month to 2 weeks.

50%
Faster annotation

Model Lifecycle Management

Model Monitoring

Complete monitoring and management of models across 2,500+ machines worldwide.

2,500+
Machines managed

Open-Source Integration

Automated Pipelines

Seamless integration with existing tools like Airflow and MLFlow for custom workflows.

05 — The Results

Business impact

PellencST transformed their competitive position through dramatically faster AI development and deployment.

90% Faster Development

Time-to-model reduced from 6-9 months to just 1 month for training, testing, and validation.

Major Contracts Secured

Faster customized solution development enabled PellencST to win major contracts.

Market Leadership Reinforced

Technological innovation through AI positioned them ahead of competitors.

Full Operational Autonomy

Complete internal capability for model retraining and deployment without external dependencies.

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