{"podcast":{"title":"Tech Stories Tech Brief By HackerNoon","slug":"tech-stories-tech-brief-by-hackernoon-6365648","podcast_index_feed_id":6365648,"rss_url":"https://feeds.transistor.fm/tech-stories-tech-brief-by-hackernoon","website_url":"https://hackernoon.com/c/tech-stories","image_url":"https://img.transistorcdn.com/P-42oHG33sV1aPenbVg2DrwaV5AQtWp46GJ4Bp_EP-s/rs:fill:0:0:1/w:1400/h:1400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9zaG93/LzQxNDI5LzE2ODM1/ODM0NjQtYXJ0d29y/ay5qcGc.jpg","author":"HackerNoon","episode_count":100,"summary":"Learn the latest tech-stories updates in the tech world.","last_synced_at":"2026-07-30T06:17:37.489609+00:00","page_url":"https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648"},"episode":{"title":"How I Built a Pipeline to Restore Old B&W Photos to 4K Color Using Open-Source AI","slug":"how-i-built-a-pipeline-to-restore-old-b-w-photos-to-4k-color-using-open-source-ai","published_at":"2026-06-17T16:01:09+00:00","page_url":"https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648/how-i-built-a-pipeline-to-restore-old-b-w-photos-to-4k-color-using-open-source-ai","show_page_url":"https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648","url":"https://share.transistor.fm/s/2b6e60e9","audio_url":"https://media.transistor.fm/2b6e60e9/6bb0dbc4.mp3","summary":"This story was originally published on HackerNoon at: https://hackernoon.com/how-i-built-a-pipeline-to-restore-old-bandw-photos-to-4k-color-using-open-source-ai . Turn old B&W photos into 4K color with open-source AI. I tested 8 tools across 6 GPUs — only one produced stunning results in 42 seconds. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories . You can also check exclusive content about #qwen , #ai , #image-restoration , #huggingface , #black-and-white , #ollama , #open-source-ai , #hackernoon-top-story , and more. This story was written by: @fix2015 . Learn more about this writer by checking @fix2015's about page, and for more stories, please visit hackernoon.com . I tested 8 different open-source AI upscalers and restoration tools to find the best pipeline for converting old black-and-white film footage into 4K colorized images for a YouTube history channel. After days of testing on rented GPU servers, the winning pipeline is surprisingly simple: Qwen-Image-Edit-2511 does everything — upscale, restore, AND colorize — in a single prompt, in under 60 seconds.","meta_description":"This story was originally published on HackerNoon at: https://hackernoon.com/how-i-built-a-pipeline-to-restore-old-bandw-photos-to-4k-color-using-open-sou…","key_points":[],"chapters":[],"topics":[],"duration_seconds":553,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/tech-stories-tech-brief-by-hackernoon-6365648/episodes/how-i-built-a-pipeline-to-restore-old-b-w-photos-to-4k-color-using-open-source-ai/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648/how-i-built-a-pipeline-to-restore-old-b-w-photos-to-4k-color-using-open-source-ai.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}