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opencc-by-4.0Jun 2022View details →

Can we use hydraulic handbooks in blind trust? Two examples from a real-world complex hydraulic system

<p>This database includes the data used to produce the results for the following article:</p> <p>Bellos, V., Kossieris, P., Efstratiadis, A., Papakonstantis, I., Papanicolaou, P., Dimas, P., Makropoulos, C. 2022. Can we use hydraulic handbooks in blind trust? Two examples from a real-world complex hydraulic system. 7th IAHR Europe Congress, September 7th – 9th, 2022, Athens, Greece (accepted paper for oral presentation, in press).</p>

opencc-by-4.0Jun 2024View details →

The ORBIT (Object Recognition for Blind Image Training)-India Dataset

<div> <p>The ORBIT (Object Recognition for Blind Image Training) -India Dataset is a collection of 105,243 images of 76 commonly used objects, collected by 12 individuals in India who are blind or have low vision. This dataset is an "Indian subset" of the original ORBIT dataset [1, 2], which was collected in the UK and Canada. In contrast to the ORBIT dataset, which was created in a Global North, Western, and English-speaking context, the ORBIT-India dataset features images taken in a low-resource, non-English-speaking, Global South context, a home to 90% of the world’s population of people with blindness. Since it is easier for blind or low-vision individuals to gather high-quality data by recording videos, this dataset, like the ORBIT dataset, contains images (each sized 224x224) derived from 587 videos. These videos were taken by our data collectors from various parts of India using the Find My Things [3] Android app. Each data collector was asked to record eight videos of at least 10 objects of their choice. </p> </div> <div> <p>Collected between July and November 2023, this dataset represents a set of objects commonly used by people who are blind or have low vision in India, including earphones, talking watches, toothbrushes, and typical Indian household items like a belan (rolling pin), and a steel glass. These videos were taken in various settings of the data collectors' homes and workspaces using the Find My Things Android app. </p> </div> <div> <p>The image dataset is stored in the ‘Dataset’ folder, organized by folders assigned to each data collector (P1, P2, ...P12) who collected them. Each collector's folder includes sub-folders named with the object labels as provided by our data collectors. Within each object folder, there are two subfolders: ‘clean’ for images taken on clean surfaces and ‘clutter’ for images taken in cluttered environments where the objects are typically found. The annotations are saved inside a  ‘Annotations’ folder containing a JSON file per video (e.g., P1--coffee mug--clean--231220_084852_coffee mug_224.json) that contains keys corresponding to all frames/images in that video (e.g., "P1--coffee mug--clean--231220_084852_coffee mug_224--000001.jpeg": {"object_not_present_issue": false, "pii_present_issue": false}, "P1--coffee mug--clean--231220_084852_coffee mug_224--000002.jpeg": {"object_not_present_issue": false, "pii_present_issue": false}, ...). The ‘object_not_present_issue’ key is True if the object is not present in the image, and the ‘pii_present_issue’ key is True, if there is a personally identifiable information (PII) present in the image. Note, all PII present in the images has been blurred to protect the identity and privacy of our data collectors. This dataset version was created by cropping images originally sized at 1080 × 1920; therefore, an unscaled version of the dataset will follow soon. </p> </div> <div> <p>This project was funded by the Engineering and Physical Sciences Research Council (EPSRC) Industrial ICASE Award with Microsoft Research UK Ltd. as the Industrial Project Partner. We would like to acknowledge and express our gratitude to our data collectors for their efforts and time invested in carefully collecting videos to build this dataset for their community. The dataset is designed for developing few-shot learning algorithms, aiming to support researchers and developers in advancing object-recognition systems. We are excited to share this dataset and would love to hear from you if and how you use this dataset. Please feel free to reach out if you have any questions, comments or suggestions. </p> </div> <div> <p>REFERENCES: </p> </div> <div> <ol> <li> <p>Daniela Massiceti, Lida Theodorou, Luisa Zintgraf, Matthew Tobias Harris, Simone Stumpf, Cecily Morrison, Edward Cutrell, and Katja Hofmann. 2021. ORBIT: A real-world few-shot dataset for teachable object recognition collected from people who are blind or low vision. DOI: <a href="https://doi.org/10.25383/city.14294597" target="_blank" rel="noreferrer noopener">https://doi.org/10.25383/city.14294597</a></p> </li> <li> <p>microsoft/ORBIT-Dataset. <a href="https://github.com/microsoft/ORBIT-Dataset" target="_blank" rel="noreferrer noopener">https://github.com/microsoft/ORBIT-Dataset</a>  </p> </li> <li> <p>Linda Yilin Wen, Cecily Morrison, Martin Grayson, Rita Faia Marques, Daniela Massiceti, Camilla Longden, and Edward Cutrell. 2024. Find My Things: Personalized Accessibility through Teachable AI for People who are Blind or Low Vision. In Extended Abstracts of the 2024 CHI Conference on Human Factors in Computing Systems (CHI EA '24). Association for Computing Machinery, New York, NY, USA, Article 403, 1–6. <a href="https://doi.org/10.1145/3613905.3648641" target="_blank" rel="noreferrer noopener">https://doi.org/10.1145/3613905.3648641</a> </p> </li> </ol> </div>

Fig. 13. Rhamdiopsis krugi, 32.5 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 13. Rhamdiopsis krugi, 32.5 mm SL, adult, live specimen photographed in aquarium on July 16th, 2008, unpreserved; Poço Encantado cave, left margin of the rio Una, Municipality of Itaetê, State of Bahia, Brazil. Courtesy of Adriano Gambarini.

Fig. 9 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 9. Basal region of left pectoral fin and proximate portions of pectoral girdle of Rhamdiopsis krugi, LIRP 5928, 33.9 mm SL, paratype.Ventralview. AP) articularcleithralprocess; CB) posterior complex bone of pectoral girdle (scapula, coracoid, and mesocoracoid fused); CK) coracoid keel; CL) cleithrum; DC) complex distal radial; DR1) distal radial 1; DR2a-c) pieces of distal radial 2; MA) mesocoracoid arch; PP) postcleithral process; and PR1-2) proximalradials 1 and 2. Scalebar = 0.7 mm.

Fig. 8 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 8. Pectoral girdle and fins of Rhamdiopsis krugi, LIRP 5928, 33.9 mm SL, paratype. Dorsal view. AP) articular cleithral process; CB) posterior complex bone of pectoral girdle (scapula, coracoid, and mesocoracoid fused); CL) cleithrum; DR2b) main posterior piece of distal radial 2; MA) mesocoracoid arch; PP) postcleithral process; PR2) proximal radial 2; RR1) rigid part of pectoral-fin ray 1; and SR1) soft part of pectoral-fin ray 1. Scale bar = 2 mm.

Fig. 5 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 5. Left suspensorium and opercular series of Rhamdiopsis krugi, LIRP 5928, 33.9 mm SL, paratype. Lateral view. EN) entopterygoid; HFen) foramen for entrance of ramus hyoideus of hyomandibular nerve trunk; HMex) foramen for exit of hyomandibular nerve trunk; HY) hyomandibula; IF) foramen for exit of infraorbital trunk nerve; IO) interopercle; MFen) foramen for entrance of ramus mandibularis externus facialis of hyomandibular nerve trunk; MT) metapterygoid; OP) opercle; pm8-11) preoperculomandibular sensory branches 8 to 11; PO) preopercle; and QU) quadrate. Scale bar = 1.5 mm.

Fig. 2 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 2. Anterior portion of the body of Rhamdiopsis krugi, LIRP 5929, 37.1 mm SL, holotype. Arrows indicate the limits of the pseudotympanum.

Fig. 12 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 12. Rhamdiopsis krugi, ca. 30.0 mm SL, adult, live specimen photographed in the nature in August, 1991, not collected; Poço Encantado cave, ca. 7 km from left margin of the rio Una, Municipality of Itaetê, State of Bahia, Brazil.

Fig. 7 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 7. Anterior vertebrae of Rhamdiopsis krugi, LIRP 5928, 33.9 mm SL, paratype. Dorsal view. AB) anterior branch of transverse process 4; AP) accessory process of vertebra 7; ll1-3) lateral line sensory branches 1 to 3; NL) neural lamina (neural arches of vertebrae 3 and 4); NS4) neural spine of vertebra 4; PB) posterior branch of transverse process 4; SB) swimbladder; TP4) transverse process 4; and TP5) transverse process 5. Arrow indicates osseous bridge joining anterior and posterior branches of transverse process 4. Scale bar = 2 mm.

Fig. 4 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 4. Cranium of Rhamdiopsis krugi, LIRP 5928, 33.9 mm SL, paratype. a) dorsal view; b) ventral view. Abbreviations: AF) anterior fontanel; AN) antorbital; AP) autopalatine; AT) antorbital tubule; BL) Baudelot's ligament; BO) basioccipital; EC) ethmoidean cartilage; EP) epioccipital; ES) extrascapula; EX) exoccipital; FR) frontal; HF) hyomandibular facet; i1-6) infraorbital sensory branches 1 to 6; LE) lateral ethmoid; ME) mesethmoid; MX) maxilla; NA) nasal; OF) optic foramen (rudiment); OS) orbitosphenoid; PA) parasphenoid; PF) posterior fontanel; PM) premaxilla; PO) prootic; po1-3) postotic sensory branches 1 to 3; PT) pterotic; PS) pterosphenoid; s1-3) supraorbital sensory branches 1 to 3; s6) supraorbital sensory branch 6 (epiphyseal branch); s7) supraorbital sensory branch 7 (postorbital branch); s8) supraorbital sensory branch 8 (parietal branch); SC) supracleithrum; SP) sphenotic; ST1-4) suborbital tubules 1 to 4; SU) supraoccipital; TF) trigeminofacial foramen; VL) ventrolateral limb of supracleithrum; VM) ventromedial limb of supracleithrum; and VO) vomer. Scale bars = 1.5 mm.

Fig. 6 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 6. Gill arches of Rhamdiopsis krugi, LIRP 5928, 33.9 mm SL, paratype. Dorsal view. Gill rakers and dorsal elements of left gill arches not shown. AN) accessory cartilaginous nodule; BB2-4) basibranchials 2 to 4; CB1-5) ceratobranchials 1 to 5; EB1-5) epibranchials 1 to 5; HB1-3) hypobranchials 1 to 3; PB3-4) pharyngobranchials 3 and 4; TP) tooth plate; and UP) uncinate process. Scale bar = 0.5 mm.

Fig. 3 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 3. Anterior portion of the body of Rhamdiopsis krugi, LIRP 5929, 37.1 mm SL, holotype, showing laterosensory canal system. a) lateral view; b) dorsal view; c) ventral view. i1) infraorbital sensory branch 1; i2) infraorbital sensory branch 2 (antorbital branch); i3-6) infraorbital sensory branches 3 to 6; ll1) lateral line sensory branch 1; ll2-11) lateral line sensory branches 2 to 11; pm1-11) preoperculomandibular sensory branches 1 to 11; po1) postotic sensory branch 1; po1+pm11) postotic-preoperculomandibular complex sensory branch (postotic sensory branch 1 + preoperculomandibular sensory branch 11); po2) postotic sensory branch 2 (pterotic or temporal branch); po3) postotic sensory branch 3; s1-3) supraorbital sensory branches 1 to 3; s6) supraorbital sensory branch 6 (epiphyseal branch); and s8) supraorbital sensory branch 8 (parietal branch). Scale bar = 3 mm.

Fig. 10 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 10. Pelvic girdle of Rhamdiopsis krugi, LIRP 5928, 33.9 mm SL, paratype. Dorsal view. BS) basipterygium; EP) external anterior process (or anterolateral arm); IP) internal anterior process (or anteromedial arm); LP) lateral process; NF) neural foramen; and PP) posterior process. Scale bar = 1 mm.

Fig. 14 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 14. Geographic distribution of Rhamdiopsis krugi. a) Eastern Brazil; b) detail of the upper rio Paraguaçu. Legends: 1) rio Paraguaçu; 2) rio São Francisco; 3) rio Una; i) Poço Encantado; ii) Lapa do Bode; and iii) Gruta Natal. Symbol (star) in map a represents the three localities.

Fig. 15 in The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

Fig. 15. View of the type-locality of Rhamdiopsis krugi, Poço Encantado cave (12º56'37''S 41º06'05''W), Municipality of Itaetê, Bahia, northeastern Brazil, taken in 2008. Courtesy of Adriano Gambarini.

Fig. 5 in Biology of the blind geobiont scarab beetle genus Chaetonyx Schaum, 1862 (Scarabaeidae: Orphninae) with new distribution records of Ch. robustus Schaum, 1862 from Bulgaria

Fig. 5. Life cycle of Chaetonyx robustus. Diagram is constructed based on the investigation of the local population in riverside habitat at the Zemen Gorge, SW Bulgaria, in April 2012 to November 2014.

Fig. 4 in Biology of the blind geobiont scarab beetle genus Chaetonyx Schaum, 1862 (Scarabaeidae: Orphninae) with new distribution records of Ch. robustus Schaum, 1862 from Bulgaria

Fig. 4. Different stages of Chaetonyx robustus. A, B: Eggs and first instar larvae (laboratory rearing, eggs collected on 03–VIII–2014); C: Pupae, collected on 07–VII–2013 (in vivo imaging); D: Adult, pupa, larvae from the three instars and eggs (in vivo imaging, material was collected on 07–VII–2013). Scale bars: A: 1 mm; B: 0.5 mm; C, D: 2.5 mm.

Fig. 3 in Biology of the blind geobiont scarab beetle genus Chaetonyx Schaum, 1862 (Scarabaeidae: Orphninae) with new distribution records of Ch. robustus Schaum, 1862 from Bulgaria

Fig. 3. Adults of Chaetonyx robustus, excavated from the site near town of Zemen (in situ imaging). A: sampling on 04–VIII–2012; B: sampling on 02–IX–2012.

Fig. 2 in Biology of the blind geobiont scarab beetle genus Chaetonyx Schaum, 1862 (Scarabaeidae: Orphninae) with new distribution records of Ch. robustus Schaum, 1862 from Bulgaria

Fig. 2. Adults of Chaetonyx robustus with different degrees of sclerotization, collected on 04– VIII–2012 from the sampling site. A: Slightly sclerotized, just emerged from the pupae; B: Moderate sclerotization; C: Fully sclerotized, adult from previous generation. Scale bar: 2.5 mm.