SparseImageDecoder¶

What is this?¶

../../_images/sparse_image_decoder.png

Decode jsk_recognition_msgs/SparseImage and publish it as a mask image.

The combination of jsk_perception/SparseImageEncoder and this node provides almost the same function as image thresholding.

Subscribing Topic¶

sparse_image (jsk_recognition_msgs/SparseImage)

Input indices to decode.

Publishing Topic¶

sparse/image_decoded (sensor_msgs/Image)

Decoded mask image.

The encoding is MONO8.

Sample¶

roslaunch jsk_perception sample_sparse_image_encoder_decoder.launch