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icnet-camvid-ava-0001

Use Case and High-Level Description

A trained model of ICNet for fast semantic segmentation, trained on the CamVid dataset from scratch using the TensorFlow* framework. For details about the original floating-point model, check out ICNet for Real-Time Semantic Segmentation on High-Resolution Images.

The model input is a blob that consists of a single image of 1, 720, 960, 3 in the BGR order. The pixel values are integers in the [0, 255] range.

The model output for icnet-camvid-ava-0001 is the predicted class index of each input pixel belonging to one of the 12 classes of the CamVid dataset:

  • Sky
  • Building
  • Pole
  • Road
  • Pavement
  • Tree
  • SignSymbol
  • Fence
  • Vehicle
  • Pedestrian
  • Bike
  • Unlabeled

Specification

Metric Value
GFlops 75.8180
MParams 26.7043
Source framework TensorFlow*

Accuracy

The quality metrics were calculated on the CamVid validation dataset. The unlabeled class had been ignored during metrics calculation.

Metric Value
mIoU 75.42%
  • IOU=TP/(TP+FN+FP), where:
    • TP - number of true positive pixels for given class
    • FN - number of false negative pixels for given class
    • FP - number of false positive pixels for given class

Input

Image, name: data, shape - 1, 720, 960, 3, format is B, H, W, C, where:

  • B - batch size
  • H - height
  • W - width
  • C - channel

Channel order is BGR.

Output

Semantic segmentation class prediction map, shape - 1, 720, 960, output data format is B, H, W, where:

  • B - batch size
  • H - horizontal coordinate of the input pixel
  • W - vertical coordinate of the input pixel

Output contains the class prediction result of each pixel.

Demo usage

The model can be used in the following demos provided by the Open Model Zoo to show its capabilities:

Legal Information

[*] Other names and brands may be claimed as the property of others.