๐Ÿ“ AI & Bigdata

๐Ÿ“ AI & Bigdata/Computer Vision

[CV] ์ด๋ฏธ์ง€ ์ธ์‹, Object Detection์ด๋ž€?

๊ธฐ์กด์˜ ์ด๋ฏธ์ง€ ์ธ์‹ ์—ฌ๊ธฐ ์ด ์‚ฌ์ง„์„ class๋กœ ๋ถ„๋ฅ˜ํ•œ๋‹ค๋ฉด ์‚ฌ๋žŒ๊ณผ ์ž๋™์ฐจ ์ด ๋‘๊ฐ€์ง€๋กœ ๋‹จ์ˆœํ•˜๊ฒŒ ๋ถ„๋ฅ˜๋ฅผ ํ•ด๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ธฐ์กด์— ์ด๋ฏธ์ง€๋ฅผ ๋ถ„๋ฅ˜ํ•œ๋‹ค๊ณ  ํ•˜๋ฉด ๊ฐ„๋‹จํ•˜๊ฒŒ ๊ทธ ๊ฐ์ฒด๊ฐ€ ๋ฌด์—‡์ธ์ง€ ์•Œ๋ ค์ฃผ์—ˆ์Šต๋‹ˆ๋‹ค. object detection์€ ๊ฒน์ณ์ ธ ์žˆ๋Š” ๋Œ€์ƒ๋“ค๊ณผ ๋ฐฐ๊ฒฝ์œผ๋กœ ๊ตฌ์„ฑ๋œ ๋ณต์žกํ•œ  ์ด๋ฏธ์ง€๋ฅผ ๋ณด๊ณ , ๋‹จ์ˆœํžˆ ๋ถ„๋ฅ˜(classify)ํ•  ๋ฟ ์•„๋‹ˆ๋ผ ์„œ๋กœ์˜ ๊ด€๊ณ„๊นŒ์ง€ ๊ณ ๋ คํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. "๊ฐ์ฒด๊ฐ€ ๋ฌด์—‡์ธ์ง€"๋งŒ ๋ถ„๋ฅ˜ํ•˜๋Š”๊ฒŒ ์•„๋‹ˆ๋ผ "๊ฐ์ฒด๊ฐ€ ์–ด๋””์— ์žˆ๋Š”์ง€"๊นŒ์ง€ ์•Œ๋ ค์ฃผ๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. objec detection์˜ ๋ฐฉ๋ฒ• 3๊ฐ€์ง€Classification, Object Detection, Segmentation Single ObjectClassification: Image Category Recogn..

๐Ÿ“ AI & Bigdata/Paper Review

[๋…ผ๋ฌธ ๋ฆฌ๋ทฐ] R-CNN: Rich feature hierarchies for accurate object detection and semantic segmentation CVPR 2013

๋…ผ๋ฌธ: Rich feature hierarchies for accurate object detection and semantic segmentation, Ross Girshick et al. CVPR. 2013 Referance: https://arxiv.org/pdf/1311.2524.pdf ๊ถ๊ธˆํ•œ ์ ์€ ๋Œ“๊ธ€๋กœ ๋‚จ๊ฒจ์ฃผ์‹œ๋ฉด ๊ฐ์‚ฌํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. ๐Ÿ˜Š ์ž ๊น!! Object Detection์ด๋ž€.. - input: image - ouput: bounding box(Regression), Classification Regression(bouding box์˜ ์ขŒํ‘œ๊ฐ’)์„ ํ†ตํ•ด object๊ฐ€ ์–ด๋””์— ์žˆ๋Š”์ง€, object๊ฐ€ ๋ฌด์—‡์ธ์ง€(Classification) ์˜ˆ์ธกํ•˜๋Š” ๊ฒƒ์ด Object Detection์ด๋‹ค. 2013.11..