Yes. There is an area in the International Conference on web research called web infrastructure. Due to the fact that the network is considered as a web infrastructure, network topics can also be submitted in the infrastructure area. Sensor networks issues can also be sent on both the infrastructure and the IoT area depending on the topic.
There is no image processing area in the web research conference, but if the subject of the research is somehow related to image processing on the web, that article can be submitted to the web research conference. Web application area as well as web mining area are suitable for this type of articles.