HAI Weekly Seminar with Leonidas Guibas
Joint Learning Over Visual and Geometric Data
Get the latest news, advances in research, policy work, and education program updates from HAI in your inbox weekly.
Sign Up For Latest News
Joint Learning Over Visual and Geometric Data
Despite the rapid adoption of LLM chatbots, little is known about how they are used. We approach this question theoretically and empirically, modeling a user who chooses whether to complete a task herself, ask the chatbot for information that reduces decision noise, or delegate execution to the chatbot...
.png&w=1920&q=100)
Despite the rapid adoption of LLM chatbots, little is known about how they are used. We approach this question theoretically and empirically, modeling a user who chooses whether to complete a task herself, ask the chatbot for information that reduces decision noise, or delegate execution to the chatbot...
AI coding agents now complete multi-hour coding benchmarks with roughly 50% reliability, yet a randomized trial found experienced open-source developers took about 19% longer when allowed frontier AI tools than when tools were disallowed...
.png&w=1920&q=100)
AI coding agents now complete multi-hour coding benchmarks with roughly 50% reliability, yet a randomized trial found experienced open-source developers took about 19% longer when allowed frontier AI tools than when tools were disallowed...
Child labor remains prevalent in Ghana’s cocoa sector and is associated with adverse educational and health outcomes for children.

Child labor remains prevalent in Ghana’s cocoa sector and is associated with adverse educational and health outcomes for children.
Many challenges remain in applying machine learning to domains where obtaining massive annotated data is difficult. We discuss a number of approaches that aim to reduce supervision load for learning algorithms in the visual and geometric domains by leveraging correlations among data, among representations, and among learning tasks -- what we call joint learning. The basic notion is that inference problems do not occur in isolation but rather in a social context that can be exploited to provide self-supervision by enforcing consistency among them, thus improving performance and increasing sample efficiency. An example is shape co-segmentation, where we can use structural correlations between related shapes to regularize the segmentation of any particular shape. Another is the use of cross-task consistency constraints, as in the case of inferring depth and normals from an image, which are obviously related. Even at the level of representations, joint learning can avoid blind-spots of any one individual representation and better adapt to data particularities – just as we get with multiple 2D views of a 3D object. The talk will present a number of examples of joint learning, including the above as well as 3D object detection and pose estimation.
