Deformable Convolutions
Deformable convolutions rega neural network ikotame gidhi yesampling kuti iteedzere chimiro chaicho chezvinhu pachinzvimbo chekumanikidza kuburikidza neyakaomarara sikweya hwindo.
Pfupiso
This makes models far better at handling odd shapes, scale changes, and geometric distortion.
Kudzika Kwakadzika
Yakajairika convolution sampuli mapixels payakagadziriswa offset - yakarongeka 3x3 grid yakatarisana nenzvimbo yega yega. Izvo zvinoshanda zvakanaka kune maumbirwo asi zvinonetsa kana zvinhu zvakarereka, zvakatambanudzwa, kana kuumbwa zvisingaite. Deformable convolutions, yakaunzwa naDai nevamwe vaaishanda navo ku Microsoft Tsvagiridzo muna 2017, wedzera diki diki rakadzidzwa kune imwe neimwe yemasampling poindi. Iyo network inotarisa kupinza uye inofanotaura shanduko ye 2D kune yega yega gidhi chinzvimbo, saka iyo inogamuchira inokwanisa kutenderera kuti imbundire mupendero wakakomberedzwa kana kutevera nhengo yakatenuka. Deformable RoI pooling inoshandisa iyo imwe pfungwa kune dunhu maficha. Version 2 (2018) yakawedzera per-point modulation uremu, ichirega iyo layer ichinyorovesa kana kukwidziridza sampuli yega yega, iyo yakarodza chinhu-yekuona chokwadi pamabhenji akaita seCOCO.
Technical Insight
Izvo zvinogadziriswa zvinogadzirwa nekuwedzera convolution layer inomhanya mukufanana, ichiburitsa 2N kukosha kweN-point kernel (imwe dx, imwe dy papoindi). Nekuti zvakafanotaurwa zvigadziriso zvine zvidimbu, iwo sampled pixel values anoverengerwa nebilinear kududzira, izvo zvinoita kuti basa rese risiyane. Offsets inodzidzwa kupera-ku-kuguma kuburikidza neyakajairwa backpropagation - hapana yakaparadzana yekutarisa inoudza network kwekutarisa. Mari yakawedzerwa ine mwero nekuti iyo offset bazi ine huremu hunoenderana nehombe mamepu.
Strategic Impact
Kumhanya uye chiyero
Visual AI inogona kuita otomatiki yekuongorora, yekuona, uye yekumaka mabasa pachiyero.
Vaka sarudzo
Zvikwata zvekugadzira zvinogona prototype pfungwa nekukurumidza nekudzokororwa kwemaoko mashoma.
Team uye workflow
Mashandisirwo anogona kushandisa masaini emifananidzo nemavhidhiyo ayo aimbove akaoma kugadzirisa.
Ramangwana Rekuremara Convolutions
Kuremara kutarisa kwave musana wekuonekwa kwemazuva ano: Deformable DETR inoshandisa yakadzidzwa sampling offsets kuita kuti transformer itarise kushomeka uye nekukurumidza, kucheka nguva yekudzidziswa zvakanyanya maringe neiyo yekutanga DETR. Tarisira musimboti wakagomara kuti urambe uchipararira kuita vhidhiyo, makore e3D, uye mhando dzemutauro wekuona, uko sampling inogadziriswa inobatsira kubata kufamba, kuvharika, uye geometry isina kujairika. Sezvo tsigiro yehardware yekusajaira ndangariro yekuwana inovandudza, vanobatika vanobatika vanofanirawo kuwana zvakachipa uye zvakanyanya kuisirwa pamipendero michina.
Real-World Implementation
Kuonekwa kwechinhu paCOCO, uko mativi akaremara anowedzera huchokwadi pazvinhu zvakarebesa kana zvakatenderedzwa sezvitima netwiza.
Semantic segmentation yezviratidziro zvemumugwagwa, kubatsira mamodheru kuteedzera mitsetse yakakomberedzwa uye zvimiro zvezvivakwa zvisina kujairika.
Deformable DETR yekuona-kumagumo-kusvika-kumagumo, uchishandisa yakadzidza offset kuita kuti transformer itarise ishande
Kufungidzira kwekurapa, uko mapundu uye nhengo dzine maumbirwo asina kuomarara ayo anogadzika grids anobatwa zvisina kunaka
Njodzi & Guardrails
Kodzero dzemifananidzo uye kubvumirwa kunogona kuve njodzi dzepamutemo kana provenance isina kujeka.
Kuita kwemuenzaniso kunogona kusiyanisa kupenya, huwandu hwevanhu, uye nharaunda.
Manyepo enhema anogona kusacherechedzwa kunze kwekunge zvikumbaridzo zvekuvimba zvikatariswa.
Implementation Roadmap
Tsanangura maitiro ekugamuchirwa echokwadi, kurangarira, uye mutengo wekukanganisa.
Edzai nedata rinoenderana nemamiriro chaiwo ekugadzira.
Wedzera ongororo yemunhu kune yakaderera-kusavimbika kana yakakwirira-inokanganisa kufanotaura.
Tevera modhi kudonha uye simbisa mushure mekuchinja kwekamera kana dataset.
Ramba Uchiongorora
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Gaidhi rinotevera
Depthwise Separable Convolutions
Mibvunzo inowanzo bvunzwa
What is Deformable Convolutions?
Deformable convolutions rega neural network ikotame gidhi yesampling kuti iteedzere chimiro chaicho chezvinhu pachinzvimbo chekumanikidza kuburikidza neyakaomarara sikweya hwindo. Izvi zvinoita kuti mamodheru ave nani pakubata zvimiro zvisinganzwisisike, shanduko yechikero, uye kukanganisa kwejometri.
Ko convolution yakagomara inowedzera chii kana ichienzaniswa neyakajairwa convolution?
Deformable convolutions inofanotaura yakadzidzwa offset (dx, dy) kune yega sampling nzvimbo, ichirega iyo grid kutenderera kuti ienderane nechinhu maumbirwo.
Ko sampling offsets mune deformable convolution inogadzirwa sei?
A parallel convolution bazi rinoburitsa maoffsets, ayo anodzidzwa kupera-kusvika-kumagumo kuburikidza nebackpropagation.
Nekuti zvakafanotaurwa zvigadziriso zvinowanzoita zvidimbu, komisheni yepixel inotorwa sei munzvimbo idzodzo?
Fractional offsets inoda kududzirwa kwebilinear, izvo zvinoita kuti oparesheni irambe ichisiyaniswa pakudzidziswa.
Chii chakawedzera Deformable ConvNets v2 (2018) pamusoro pepakutanga?
v2 yakaunza modulation, huremu hwakadzidzwa pane imwe sampling point iyo inogona kukwidziridza kana kudzvanya simba rayo, kuvandudza huroyi.
Sei mabhindauko akaremara achinyanya kubatsira pazvinhu zvisina kuumbwa zvakanaka?
Nekupeta gidhi resampling, munda unoshanda wekugamuchira unoenderana neiyo chinhu geometry pachinzvimbo chesikweya yakaoma.