计算机视觉复习笔记1

ᦇᓒ๢ᥤᥧԟᒟᦕ

ፓ୯

୚᥺

ԫ꧊ࢶ؟

ᬟᖭ

ใᕚӨࢶ؟󰵨

᮱ᇙ஄ Local Feature

ࢶ؟೪ള Image Stitching

Ո᚜ᦩڦ

ᇔ֛ᦩڦ

ᇔ֛ᦩڦ-CNN

୚᥺

ᦇᓒ๢ᥤᥧԲᎸᑪٖ

1. ᬌفᦡ (input device) ۱ೡ౮؟ᦡ޾හ۸ᦡ҇౮᨝ᦡฎ೰᭗ᬦط൱؟๢౲ᕁ

ᄶط᩻Xᕚޮࢱ࣋ว౲ᇔ֛ᬰᤈറၥ౮᨝҅஑کىԭ࣋ว౲ᇔ֛ጱԫᖌ౲ӣᖌහ۸

ࢶ؟҇

2. ֗ᥤᥧ (low level/early) Ԇᥝฎᬌفጱܻতࢶ؟ᬰᤈቘ҇ᬯӞᬦᑕ׵አԧᰁጱࢶ؟

ቘದ๞޾ᓒဩ҅ইࢶ؟ᄁူࢶ؟୩ᬟᖭ༄ၥᕖቘ༄ၥᬩۖ༄ၥ҅զ׎՗ࢶ؟Ӿುݐ᧘

஄2.5ᖌࢶጱᏐӤ҅௩ᇔ֛ጱෆӣᖌࢶ҅ୌᒈᇔ֛ӣᖌൈᬿ҅ᦩڦᇔ֛ଚᏟᇔ֛ጱ֖

ᗝ޾ොݻ

5. ֛ᔮᕮ຅ҁsystem architecture҂ ࣁṛଶು᨝ጱེӤ҅໑ഝᔮᕹཛྷࣳᘒӧฎ໑ഝሿᦡᦇ

ጱֺٍ֛ৼ๶Ꮈᑪᔮᕹጱᕮ຅҇ԅԧ᧔กᬯӞᅩ҅ݢզᘍᡤୌᒺᦡᦇӾ຤Ӟ෸๗ጱୌᒺ󰵻໒ҁই

Ⴔ๖෸๗҂޾໑ഝᬯӞ󰵻໒ᦡᦇڊ๶ጱٍ֛ୌᒺԏᳵጱ܄ڦ֛҇ᔮᕮ຅Ꮈᑪၿ݊Ӟᔮڜፘىጱ᧞

󰵭ғଚᤈᕮ຅ړᕮ຅מ௳ၞᕮ຅೐ಏᕮ຅զ݊՗ᦡᦇکሿጱ᭔ஆᒵᒵ҇

Gestalt Laws

1. Law of Proximityҁളᬪܻቘ҂ғՈժᛔᆐᘒᆐጱᶌᬪጱԪᇔᬰᤈړᕟ

2. Law of Similarityҁፘܻ֒ቘ҂ғՈժࣁᥡ᨝෸ฃ಩ፘ֒ጱᇔ֛ړ౮Ӟᕟ

3. Law of Common Fateҁوݶ޸ᬩܻቘ҂ғ᨝ฃᤩᥤԅᤈᬰࣁطჶ᪠ஆӤጱᕚ๵

๵ᬟኴᒵ๜ᇙ஄҅ᬯԶᇙ஄ጱᵞݳᑍԅزࢶҔ

ᒫԫᴤྦྷ(2.5D Sketch)ғ೰ࣁզᥡၥᘏԅӾஞጱࣖຽᔮӾ҅ኧᬌفࢶ؟޾زࢶ௩࣋วݢᥠ᮱ړጱ

Ⴎଶဩᕚොݻ󰪋ୄᒵ҅ᬯԶמ௳۱ތԧႮଶמ௳҅֕ӧฎ፥ྋጱᇔ֛ӣᖌᤒᐏ҅ࢩྌ҅ᑍԅԫᖌ

܎ࢶҔ

ᒫӣᴤྦྷ(3D Model)ғࣁզᇔ֛ԅӾஞጱࣖຽᔮӾ҅ኧᬌفࢶ؟زࢶԫᖌ܎ࢶ๶௩ᤒᐏ޾

ᦩڦӣᖌᇔ֛

ԫ꧊ࢶ؟

پ֜ᇙ௔

5. ᵞଶғ

pฎޮᳩ҅Aฎᶎᑌ

ᕳޮᳩ҅ᵞଶ᩼ṛ҅ࢱ౮ጱᶎᑌ᩼ғࢺ > ྋො୵ > ᳩො୵

6. ୵ாྲғ܄ጱ๋ളᎥ୵ጱᳩྲ

7. ཾ೉හғԮ໒හ(genus)҅ᬳ᭗ړᰁٺ݄၏හ

ಭ୽ᦇᓒ

࿜ଘಭ୽ғᦇᓒྯӞڜ؟ᔰԅ1ጱӻහ

࣮ፗಭ୽ғᦇᓒྯӞᤈ؟ᔰԅ1ጱӻහ

᥯ᕚಭ୽ғ՗ૢӥکݦӤ҅ᦇᓒྯӞӻ᥯ᕚ؟ᔰԅ1ጱӻහ

4. ᬬࢧᒫ1ྍ

ଧᨽᓒဩ(for 4ᬳ᭗)

1. ՗ૢکݦ՗Ӥکӥಚൈࢶ؟

2. ইຎ؟ᔰᅩ꧊ԅ1҅ڞҁړ4ᐿఘ٭҂

ইຎӤᶎᅩ޾ૢᶎᅩํӬՐํӞӻຽᦕ҅ڞګᬯӞຽᦕ

ইຎӷᅩํፘݶຽᦕ҅ګᬯӞຽᦕ

ইຎӷᅩํӧݶຽᦕ҅ڞګӤᅩጱຽᦕӬӷӻຽᦕᬌفᒵհᤒӾ֢ԅᒵհຽᦕ

ވڞᕳᬯӞӻ؟᨝ᔰᅩړᯈӞෛጱຽᦕଚᬯӞຽᦕᬌفᒵհᤒ

3. ইຎᵱᥝᘍᡤๅᅩ҅ڞᬬࢧ 2

4. ՗b୏ত҅ဠᭋ෸ᰒොݻತکᒫӞӻ ni in S

5. ᗝ c = s(k) = ni, b = ni-1

6. ᯿ྍṈ 3,4,5 ҅ፗکs(k)=s(0)

ᬟᖭ

Origin of Edges

ࢥᐿ๋Ԇᥝጱӧᬳᖅҁdiscontinuity҂

1. surface normal discontinuity

2. depth discontinuity

ԭӞᴤጱᬟᖭ༄ၥ

RobertsԻ݉ᓒৼ҅Sobelᓒৼ҅Prewittᓒৼҁᬩᓒ󰪟ள҂

ԭԫᴤጱᬟᖭ༄ၥ