Earthsight

Krishna talks high-resolution imagery, Chris asks questions

51 min · 6. des. 2025
episode Krishna talks high-resolution imagery, Chris asks questions cover

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(00:00) Differences between medium-res and high-res worlds: data sizes, off-nadir imaging, co-registration issues (28:42) High-res SAR/Umbra data detour: building damage estimation in Jamaica, matching imagery up to vector datasets (34:33) Embeddings mentioned (37:10) Differences in seasonality, illumination and histogram matching: foundation models mentioned, discussions around Krishna's model performance over Gaza

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Alle episoder

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episode Geospatial Failures, Problem Selection, Being an Analyst/Scientist is Hard cover

Geospatial Failures, Problem Selection, Being an Analyst/Scientist is Hard

(00:00) Experimental failures. Krishna won't let Chris forget about his failed SimCLR experiments. (04:30) Geographic generalization discussion. Husky vs Malamute vs Wellpad. (11:32) Chris fails to map coconut palm because it's hard. Read the paper carefully. (15:30) Krishna maps oil slicks, but it's hard. (20:30) Cognitive debt, problem selection and failure modes in geospatial. (31:00) The sales cycle, promises, inflated expectations. Limitations in geospatial. (34:00) Problem selection in journalism. Are we running out of ideas? (37:00) Turning a failure into a success. Cover crop mapping is hard. (45:00) Turning failure into a success: predicting sugarcane yield is hard. (49:00) Is building tooling easier than solving modeling problems? (53:00) Vertical seems better than horizontal. Solutions are multi-modal.

8. nov. 202559 min