NCKH – Pilot Scale
Computer Vision
Non-Invasive
AI-Powered Shrimp Measurement
Measure size · Estimate weight · Shrimp age - Non-invasive
Download CSV CNN
YOLOv8 + CNN
Live Camera Feed – Pilot Scale Pond
RTSP Ready
Live Camera Feed
Ready for RTSP / USB Camera
Waiting for camera connection
Shrimp #1024 – 4.2cm
Shrimp #1023
Capture Controls
Last measurement: 2 minutes ago
Today total: 234 measurements
Latest Results
- #1024 — 42mm | 8.5g | 45 days Healthy
- #1023 — 38mm | 7.2g | 40 days Healthy
- #1022 — 25mm | 3.1g | 25 days Slow
Avg Size
41 mm
Avg Weight
7.8 g
Avg Age
42 days
Total Measurements
2,456
Size Distribution (mm)
Weight Distribution (g)
Age Distribution (days)
Growth Trend
Size-Weight Correlation
Measurement History - Shrimp Individuals
| ID | Size | Weight | Age | Growth rate | Status | Last measurement |
|---|---|---|---|---|---|---|
| #1024 | 42 mm | 8.5 g | 45 days | +0.9 mm/day | Healthy | Just now |
| #1023 | 38 mm | 7.2 g | 40 days | +0.95 mm/day | Healthy | 2 min |
| #1022 | 25 mm | 3.1 g | 25 days | +0.5 mm/day | Slow Growth | 5 min |
| #1021 | 51 mm | 10.2 g | 52 days | +0.98 mm/day | Healthy | 8 min |
| #1020 | 32 mm | 5.8 g | 30 days | +1.07 mm/day | Healthy | 12 min |
mAP@0.5
92.4%
Precision
94.1%
Recall
91.8%
Measurement MAE
1.3 mm
Training Loss vs Validation Loss (CNN) BCE + IoU per epoch
mAP Convergence by Epoch
Precision-Recall Curve (PR Curve)
Size: Predicted vs Actual (mm)
Weight: Predicted vs Actual (g)
Regression MAE theo Epoch (Size & Weight)
CNN Architecture - Shrimp Detection & Measurement
Detection (YOLOv8-n)
- Backbone: CSPDarknet53
- Neck: PANet FPN
- Head: Decoupled (detect + segment)
- Input: 640×640 | Classes: 1 (shrimp)
- Batch: 16 | Epochs: 150
Measurement CNN
- Conv2D(64) → BN → ReLU ×3
- MaxPool → Conv2D(128) ×2
- GlobalAvgPool → Dense(256) → Dense(3)
- Output: [size_mm, weight_g, age_days]
- Loss: Huber | Optimizer: AdamW
Data Augmentation
- Random flip, rotation (±15°)
- Color jitter (brightness, contrast)
- Mosaic augmentation
- Train set: 2,400 | val: 600 images
- Reference marker: 10 mm calibration card